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git.eclipse.org / objectteams / org.eclipse.objectteams / 6629fca671ec98486c42b6f0a9ce3b759223e65c / . / org.eclipse.jdt.core.tests.compiler / src / org / eclipse / jdt / core / tests / compiler / regression / StaticImportTest.java
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/*******************************************************************************
* Copyright (c) 2000, 2016 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Stephan Herrmann - Contributions for
* bug 185682 - Increment/decrement operators mark local variables as read
* bug 401271 - StackOverflowError when searching for a methods references
*******************************************************************************/
package org.eclipse.jdt.core.tests.compiler.regression;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import junit.framework.Test;
@SuppressWarnings({ "rawtypes" })
public class StaticImportTest extends AbstractComparableTest {
// Static initializer to specify tests subset using TESTS_* static variables
// All specified tests which do not belong to the class are skipped...
static {
// TESTS_NAMES = new String[] { "testBug401271" };
// TESTS_NAMES = new String[] { "test085c" };
// TESTS_NUMBERS = new int[] { 80 };
// TESTS_RANGE = new int[] { 75, -1 };
}
public StaticImportTest(String name) {
super(name);
}
public static Test suite() {
return buildComparableTestSuite(testClass());
}
public static Class testClass() {
return StaticImportTest.class;
}
public void test001() {
this.runConformTest(
new String[] {
"X.java",
"import static java.lang.Math.*;\n" +
"import static java.lang.Math.PI;\n" +
"public class X { double pi = abs(PI); }\n",
},
"");
}
public void test002() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p2.Y.*;\n" +
"import static p2.Z.Zint;\n" +
"import static p2.Z.ZMember;\n" +
"public class X {\n" +
" int x = y(1);\n" +
" int y = Yint;\n" +
" int z = Zint;\n" +
" void m1(YMember m) {}\n" +
" void m2(ZMember m) {}\n" +
"}\n",
"p2/Y.java",
"package p2;\n" +
"public class Y {\n" +
" public static int Yint = 1;\n" +
" public static int y(int y) { return y; }\n" +
" public static class YMember {}\n" +
"}\n",
"p2/Z.java",
"package p2;\n" +
"public class Z {\n" +
" public static int Zint = 1;\n" +
" public static class ZMember {}\n" +
"}\n",
},
"");
}
public void test003() { // test inheritance
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p2.Y.*;\n" +
"import static p2.Z.Zint;\n" +
"import static p2.Z.ZMember;\n" +
"public class X {\n" +
" int x = y(1);\n" +
" int y = Yint;\n" +
" int z = Zint;\n" +
" void m1(YMember m) {}\n" +
" void m2(ZMember m) {}\n" +
"}\n",
"p2/YY.java",
"package p2;\n" +
"public class YY {\n" +
" public static int Yint = 1;\n" +
" public static int y(int y) { return y; }\n" +
" public static class YMember {}\n" +
"}\n",
"p2/Y.java",
"package p2;\n" +
"public class Y extends YY {}\n",
"p2/ZZ.java",
"package p2;\n" +
"public class ZZ {\n" +
" public static int Zint = 1;\n" +
" public static class ZMember {}\n" +
"}\n",
"p2/Z.java",
"package p2;\n" +
"public class Z extends ZZ {}\n",
},
"");
this.runConformTest(
new String[] {
"X.java",
"import static p.A.C;\n" +
"public class X { int i = C; }\n",
"p/A.java",
"package p;\n" +
"public class A extends B implements I {}\n" +
"class B implements I {}\n",
"p/I.java",
"package p;\n" +
"public interface I { public static int C = 1; }\n"
},
""
);
this.runConformTest(
new String[] {
"X.java",
"import static p.A.C;\n" +
"public class X { \n" +
" int i = C; \n" +
" int j = p.A.C; \n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A implements I {}\n" +
"interface I { public static int C = 1; }\n"
},
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10);
}
public void test004() { // test static vs. instance
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p2.Y.*;\n" +
"import static p2.Z.Zint;\n" +
"import static p2.Z.ZMember;\n" +
"public class X {\n" +
" int x = y(1);\n" +
" int y = Yint;\n" +
" int z = Zint;\n" +
" void m1(YMember m) {}\n" +
" void m2(ZMember m) {}\n" +
"}\n",
"p2/Y.java",
"package p2;\n" +
"public class Y {\n" +
" public int Yint = 1;\n" +
" public int y(int y) { return y; }\n" +
" public class YMember {}\n" +
"}\n",
"p2/Z.java",
"package p2;\n" +
"public class Z {\n" +
" public int Zint = 1;\n" +
" public class ZMember {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p\\X.java (at line 3)\n" +
" import static p2.Z.Zint;\n" +
" ^^^^^^^^^\n" +
"The import p2.Z.Zint cannot be resolved\n" +
"----------\n" +
"2. ERROR in p\\X.java (at line 4)\n" +
" import static p2.Z.ZMember;\n" +
" ^^^^^^^^^^^^\n" +
"The import p2.Z.ZMember cannot be resolved\n" +
"----------\n" +
"3. ERROR in p\\X.java (at line 6)\n" +
" int x = y(1);\n" +
" ^\n" +
"The method y(int) is undefined for the type X\n" +
"----------\n" +
"4. ERROR in p\\X.java (at line 7)\n" +
" int y = Yint;\n" +
" ^^^^\n" +
"Yint cannot be resolved to a variable\n" +
"----------\n" +
"5. ERROR in p\\X.java (at line 8)\n" +
" int z = Zint;\n" +
" ^^^^\n" +
"Zint cannot be resolved to a variable\n" +
"----------\n" +
"6. ERROR in p\\X.java (at line 9)\n" +
" void m1(YMember m) {}\n" +
" ^^^^^^^\n" +
"YMember cannot be resolved to a type\n" +
"----------\n" +
"7. ERROR in p\\X.java (at line 10)\n" +
" void m2(ZMember m) {}\n" +
" ^^^^^^^\n" +
"ZMember cannot be resolved to a type\n" +
"----------\n");
}
public void test005() { // test visibility
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p2.Y.*;\n" +
"import static p2.Z.Zint;\n" +
"import static p2.Z.ZMember;\n" +
"public class X {\n" +
" int x = y(1);\n" +
" int y = Yint;\n" +
" int z = Zint;\n" +
" void m1(YMember m) {}\n" +
" void m2(ZMember m) {}\n" +
"}\n",
"p2/Y.java",
"package p2;\n" +
"public class Y {\n" +
" static int Yint = 1;\n" +
" static int y(int y) { return y; }\n" +
" static class YMember {}\n" +
"}\n",
"p2/Z.java",
"package p2;\n" +
"public class Z {\n" +
" static int Zint = 1;\n" +
" static class ZMember {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p\\X.java (at line 3)\n" +
" import static p2.Z.Zint;\n" +
" ^^^^^^^^^\n" +
"The field Z.p2.Z.Zint is not visible\n" +
"----------\n" +
"2. ERROR in p\\X.java (at line 4)\n" +
" import static p2.Z.ZMember;\n" +
" ^^^^^^^^^^^^\n" +
"The type p2.Z.ZMember is not visible\n" +
"----------\n" +
"3. ERROR in p\\X.java (at line 6)\n" +
" int x = y(1);\n" +
" ^\n" +
"The method y(int) from the type Y is not visible\n" +
"----------\n" +
"4. ERROR in p\\X.java (at line 7)\n" +
" int y = Yint;\n" +
" ^^^^\n" +
"The field Y.Yint is not visible\n" +
"----------\n" +
"5. ERROR in p\\X.java (at line 8)\n" +
" int z = Zint;\n" +
" ^^^^\n" +
"Zint cannot be resolved to a variable\n" +
"----------\n" +
"6. ERROR in p\\X.java (at line 9)\n" +
" void m1(YMember m) {}\n" +
" ^^^^^^^\n" +
"The type YMember is not visible\n" +
"----------\n" +
"7. ERROR in p\\X.java (at line 10)\n" +
" void m2(ZMember m) {}\n" +
" ^^^^^^^\n" +
"ZMember cannot be resolved to a type\n" +
"----------\n");
}
public void test006() { // test non static member types
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p2.Z.ZStatic;\n" +
"import static p2.Z.ZNonStatic;\n" +
"import p2.Z.ZNonStatic;\n" +
"public class X {\n" +
" void m2(ZStatic m) {}\n" +
" void m3(ZNonStatic m) {}\n" +
"}\n",
"p2/Z.java",
"package p2;\n" +
"public class Z {\n" +
" public static class ZStatic {}\n" +
" public class ZNonStatic {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p\\X.java (at line 3)\n" +
" import static p2.Z.ZNonStatic;\n" +
" ^^^^^^^^^^^^^^^\n" +
"The import p2.Z.ZNonStatic cannot be resolved\n" +
"----------\n");
}
public void test007() { // test non static member types vs. static field
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p2.Z.ZFieldOverMember;\n" +
"public class X {\n" +
" int z = ZFieldOverMember;\n" +
"}\n",
"p2/Z.java",
"package p2;\n" +
"public class Z {\n" +
" public static int ZFieldOverMember = 1;\n" +
" public class ZFieldOverMember {}\n" +
"}\n",
},
"");
}
public void test008() { // test static top level types
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static java.lang.System;\n" +
"public class X {}\n",
},
"----------\n" +
"1. ERROR in p\\X.java (at line 2)\n" +
" import static java.lang.System;\n" +
" ^^^^^^^^^^^^^^^^\n" +
"The static import java.lang.System must be a field or member type\n" +
"----------\n");
}
public void test009() { // test static top level types
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static java.lang.reflect.Method.*;\n" +
"public class X {Method m;}\n",
},
"----------\n" +
"1. ERROR in p\\X.java (at line 3)\n" +
" public class X {Method m;}\n" +
" ^^^^^^\n" +
"Method cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76174
public void test010() {
this.runNegativeTest(
new String[] {
"X.java",
"import static java.lang.System.*;\n" +
"public class X {\n" +
" void foo() { arraycopy(); }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" void foo() { arraycopy(); }\n" +
" ^^^^^^^^^\n" +
"The method arraycopy(Object, int, Object, int, int) in the type System is not applicable for the arguments ()\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=76360
public void test011() {
this.runNegativeTest(
new String[] {
"X.java",
"import static p.Y.*;\n" +
"public class X extends p.Z {}\n" +
"class XX extends M.N {}\n" +
"class XXX extends M.Missing {}\n",
"p/YY.java",
"package p;\n" +
"public class YY {\n" +
" public static class M {\n" +
" public static class N {}\n" +
" }\n" +
"}\n",
"p/Y.java",
"package p;\n" +
"public class Y extends YY {}\n",
"p/Z.java",
"package p;\n" +
"public class Z {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" class XXX extends M.Missing {}\n" +
" ^^^^^^^^^\n" +
"M.Missing cannot be resolved to a type\n" +
"----------\n");
}
public void test012() {
this.runConformTest(
new String[] {
"X.java",
"import static java.lang.Math.*;\n" +
"public class X {\n" +
" public static void main(String[] s) {\n" +
" System.out.println(max(1, 2));\n" +
" }\n" +
"}\n",
},
"2");
this.runConformTest(
new String[] {
"X.java",
"import static java.lang.Math.max;\n" +
"public class X {\n" +
" public static void main(String[] s) {\n" +
" System.out.println(max(1, 3));\n" +
" }\n" +
"}\n",
},
"3");
this.runConformTest(
new String[] {
"X.java",
"import static p1.C.F;\n" +
"import p2.*;\n" +
"public class X implements F {" +
" int i = F();" +
"}\n",
"p1/C.java",
"package p1;\n" +
"public class C {\n" +
" public static int F() { return 0; }\n" +
"}\n",
"p2/F.java",
"package p2;\n" +
"public interface F {}\n"
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77955
public void test013() {
this.runNegativeTest(
new String[] {
"X.java",
"import static p.Y.ZZ;\n" + // found if ZZ is static
"import static p.Z.ZZ.WW;\n" + // found if WW is static
"import static p.Z.Zz.WW;\n" + // found if WW is static
"import static p.Z.Zz.*;\n" + // legal
"import static p.Z.Zz.Zzz;\n" + // legal
"import static p.Y.Zz;\n" + // Zz is not static
"import static p.Z.Zz.WW.*;\n" + // import requires canonical name for p.W.WW
"import p.Y.ZZ;\n" + // import requires canonical name for p.Z.ZZ
"import static p.Y.ZZ.*;\n" + // import requires canonical name for p.Z.ZZ
"import static p.Y.ZZ.WW;\n" + // import requires canonical name for p.Z.ZZ
"import static p.Y.ZZ.WW.*;\n" + // import requires canonical name for p.W.WW
"import static p.Y.ZZ.ZZZ;\n" + // import requires canonical name for p.Z.ZZ
"import static p.Y.ZZ.WW.WWW;\n" + // import requires canonical name for p.W.WW
"public class X {\n" +
" int i = Zzz + Zzzz;\n" +
" ZZ z;\n" +
" WW w;\n" +
"}\n",
"p/Y.java",
"package p;\n" +
"public class Y extends Z {}\n",
"p/Z.java",
"package p;\n" +
"public class Z {\n" +
" public class Zz extends W { public static final int Zzz = 0; public static final int Zzzz = 1; }\n" +
" public static class ZZ extends W { public static final int ZZZ = 0; }\n" +
"}\n",
"p/W.java",
"package p;\n" +
"public class W {\n" +
" public static class WW { public static final int WWW = 0; }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 6)\n" +
" import static p.Y.Zz;\n" +
" ^^^^^^\n" +
"The import p.Y.Zz cannot be resolved\n" +
"----------\n" +
"2. ERROR in X.java (at line 7)\n" +
" import static p.Z.Zz.WW.*;\n" +
" ^^^^^^^^^\n" +
"The import p.Z.Zz.WW cannot be resolved\n" +
"----------\n" +
"3. ERROR in X.java (at line 8)\n" +
" import p.Y.ZZ;\n" +
" ^^^^^^\n" +
"The import p.Y.ZZ cannot be resolved\n" +
"----------\n" +
"4. ERROR in X.java (at line 9)\n" +
" import static p.Y.ZZ.*;\n" +
" ^^^^^^\n" +
"The import p.Y.ZZ cannot be resolved\n" +
"----------\n" +
"5. ERROR in X.java (at line 10)\n" +
" import static p.Y.ZZ.WW;\n" +
" ^^^^^^\n" +
"The import p.Y.ZZ cannot be resolved\n" +
"----------\n" +
"6. ERROR in X.java (at line 11)\n" +
" import static p.Y.ZZ.WW.*;\n" +
" ^^^^^^\n" +
"The import p.Y.ZZ cannot be resolved\n" +
"----------\n" +
"7. ERROR in X.java (at line 12)\n" +
" import static p.Y.ZZ.ZZZ;\n" +
" ^^^^^^\n" +
"The import p.Y.ZZ cannot be resolved\n" +
"----------\n" +
"8. ERROR in X.java (at line 13)\n" +
" import static p.Y.ZZ.WW.WWW;\n" +
" ^^^^^^\n" +
"The import p.Y.ZZ cannot be resolved\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78056
public void test014() {
this.runConformTest(
new String[] {
"X.java",
"import static p.Z.ZZ.ZZZ;\n" +
"public class X {}\n",
"p/Z.java",
"package p;\n" +
"public class Z {\n" +
" public class ZZ { public static final int ZZZ = 0; }\n" +
"}\n",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=78075
public void test015() {
this.runConformTest(
new String[] {
"X.java",
"import p.Z.*;\n" +
"import static p.Z.*;\n" +
"public class X { int i = COUNT; }\n",
"p/Z.java",
"package p;\n" +
"public class Z {\n" +
" public static final int COUNT = 0;\n" +
"}\n",
},
""
);
this.runConformTest(
new String[] {
"X.java",
"import static p.Z.*;\n" +
"import p.Z.*;\n" +
"public class X { int i = COUNT; }\n",
"p/Z.java",
"package p;\n" +
"public class Z {\n" +
" public static final int COUNT = 0;\n" +
"}\n",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=77630
public void test016() {
this.runNegativeTest(
new String[] {
"X.java",
"import static java.lang.*;\n" +
"public class X {}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" import static java.lang.*;\n" +
" ^^^^^^^^^\n" +
"Only a type can be imported. java.lang resolves to a package\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81724
public void test017() {
this.runConformTest(
new String[] {
"bug/A.java",
"package bug;\n" +
"import static bug.C.*;\n" +
"public class A {\n" +
" private B b;\n" +
"}\n",
"bug/B.java",
"package bug;\n" +
"import static bug.C.*;\n" +
"public class B {\n" +
"}\n",
"bug/C.java",
"package bug;\n" +
"public class C {\n" +
" private B b;\n" +
"}\n",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81724 - variation
public void test018() {
this.runNegativeTest(
new String[] {
"bug/A.java",
"package bug;\n" +
"import static bug.C.*;\n" +
"public class A {\n" +
" private B b2 = b;\n" +
"}\n",
"bug/B.java",
"package bug;\n" +
"import static bug.C.*;\n" +
"public class B {\n" +
"}\n",
"bug/C.java",
"package bug;\n" +
"public class C {\n" +
" private static B b;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in bug\\A.java (at line 4)\n" +
" private B b2 = b;\n" +
" ^\n" +
"The field C.b is not visible\n" +
"----------\n" +
"----------\n" +
"1. WARNING in bug\\B.java (at line 2)\n" +
" import static bug.C.*;\n" +
" ^^^^^\n" +
"The import bug.C is never used\n" +
"----------\n" +
"----------\n" +
"1. WARNING in bug\\C.java (at line 3)\n" +
" private static B b;\n" +
" ^\n" +
"The value of the field C.b is not used\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=81718
public void test019() {
this.runNegativeTest(
new String[] {
"X.java",
"import static java.lang.Math.PI;\n" +
"\n" +
"public class X {\n" +
" boolean PI;\n" +
" Zork z;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in X.java (at line 5)\n" +
" Zork z;\n" +
" ^^^^\n" +
"Zork cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=82754
public void test020() {
this.runNegativeTest(
new String[] {
"X.java",
"import static java.lang.Math.round;\n" +
"public class X {\n" +
" void foo() { cos(0); }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X.java (at line 3)\n" +
" void foo() { cos(0); }\n" +
" ^^^\n" +
"The method cos(int) is undefined for the type X\n" +
"----------\n" );
}
public void test021() {
this.runConformTest(
new String[] {
"X.java",
"import static p.B.foo;\n" +
"public class X {\n" +
" void test() { foo(); }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A { public static void foo() {} }\n",
"p/B.java",
"package p;\n" +
"public class B extends A { }\n"
},
""
);
this.runNegativeTest(
new String[] {
"X.java",
"import static p.B.foo;\n" +
"public class X {\n" +
" void test() { foo(); }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A { public void foo() {} }\n",
"p/B.java",
"package p;\n" +
"public class B extends A { static void foo(int i) {} }\n"
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" import static p.B.foo;\n" +
" ^^^^^^^\n" +
"The import p.B.foo cannot be resolved\n" +
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" void test() { foo(); }\n" +
" ^^^\n" +
"The method foo() is undefined for the type X\n" +
"----------\n"
);
}
public void test022() { // test field/method collisions
this.runConformTest(
new String[] {
"X.java",
"import static p.A.F;\n" +
"import static p.B.F;\n" +
"public class X {\n" +
" int i = F;\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A { public static class F {} }\n",
"p/B.java",
"package p;\n" +
"public class B { public static int F = 2; }\n",
},
""
// no collision between field and member type
);
this.runConformTest(
new String[] {
"X.java",
"import static p.A.F;\n" +
"import static p.B.F;\n" +
"public class X {\n" +
" int i = F + F();\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A { public static int F() { return 1; } }\n",
"p/B.java",
"package p;\n" +
"public class B { public static int F = 2; }\n",
},
""
// no collision between field and method
);
this.runConformTest(
new String[] {
"X.java",
"import static p.A.F;\n" +
"import static p.B.F;\n" +
"public class X {\n" +
" int i = F;\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A { public static int F = 1; }\n",
"p/B.java",
"package p;\n" +
"public class B extends A {}\n",
},
""
// no collision between 2 fields that are the same
);
this.runNegativeTest(
new String[] {
"X.java",
"import static p.A.F;\n" +
"import static p.B.F;\n" +
"public class X {\n" +
" int i = F;\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A { public static int F = 1; }\n",
"p/B.java",
"package p;\n" +
"public class B { public static int F = 2; }\n",
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" import static p.B.F;\n" +
" ^^^^^\n" +
"The import p.B.F collides with another import statement\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" int i = F;\n" +
" ^\n" +
"The field F is ambiguous\n" +
"----------\n"
// F is already defined in a single-type import
);
}
public void test023() {
this.runConformTest(
new String[] {
"X.java",
"import static p.A.C;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" System.out.print(C);\n" +
" System.out.print(C());\n" +
" }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A {\n" +
" public static int C = 1;\n" +
" public static int C() { return C + 3; }\n" +
"}\n"
},
"14"
);
this.runConformTest( // extra inheritance hiccup for method lookup
new String[] {
"X.java",
"import static p.A.C;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" System.out.print(C);\n" +
" System.out.print(C());\n" +
" }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A extends B {\n" +
" public static int C() { return C + 3; }\n" +
"}\n",
"p/B.java",
"package p;\n" +
"public class B {\n" +
" public static int C = 1;\n" +
"}\n"
},
"14"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=83376
public void test024() {
this.runNegativeTest(
new String[] {
"p/B.java",
"package p;\n" +
"import static p.A.m;\n" +
"import static p2.C.m;\n" +
"class A { static void m() {} }\n" +
"public class B { public static void main(String[] args) { m(); } }\n",
"p2/C.java",
"package p2;\n" +
"public class C { public static void m() {} }\n"
},
"----------\n" +
"1. ERROR in p\\B.java (at line 5)\n" +
" public class B { public static void main(String[] args) { m(); } }\n" +
" ^\n" +
"The method m() is ambiguous for the type B\n" +
"----------\n"
);
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p.A.m;\n" +
"import static p.B.m;\n" +
"public class X { void test() { m(); } }\n" +
"class B extends A {}\n",
"p/A.java",
"package p;\n" +
"public class A { public static int m() { return 0; } }\n"
},
""
);
}
public void test025() {
this.runConformTest(
new String[] {
"X.java",
"import static java.lang.Math.*;\n" +
"public class X {\n" +
" public static void main(String[] s) {\n" +
" System.out.print(max(PI, 4));\n" +
" new Runnable() {\n" +
" public void run() {\n" +
" System.out.println(max(PI, 5));\n" +
" }\n" +
" }.run();\n" +
" }\n" +
"}\n"
},
"4.05.0"
);
}
public void test026() { // ensure inherited problem fields do not stop package resolution
this.runConformTest(
new String[] {
"X.java",
"public class X extends Y { static void test() { java.lang.String.valueOf(0); } }\n" +
"class Y { private String java; }\n"
},
""
);
}
public void test027() {
this.runNegativeTest(
new String[] {
"X.java",
"import static p.ST.foo;\n" +
"public class X {\n" +
" \n" +
" foo bar;\n" +
"}\n",
"p/ST.java",
"package p; \n" +
"public class ST {\n" +
" public static int foo;\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in X.java (at line 4)\n" +
" foo bar;\n" +
" ^^^\n" +
"foo cannot be resolved to a type\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87490
public void test028() {
this.runConformTest(
new String[] {
"p1/Z.java",//====================
"package p1;\n" +
"public class Z {\n" +
" public interface I {\n" +
" }\n" +
"}\n",
"q/Y.java",//====================
"package q;\n" +
"import static p.X.I;\n" +
"import static p1.Z.I;\n" +
"public class Y implements I {\n" +
"}\n",
"p/X.java",//====================
"package p;\n" +
"public enum X {\n" +
" I, J, K\n" +
"}\n" ,
},
"");
// recompile Y against binaries
this.runConformTest(
new String[] {
"q/Y.java",//====================
"package q;\n" +
"import static p.X.I;\n" +
"import static p1.Z.I;\n" +
"public class Y implements I {\n" +
"}\n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=93913
public void test029() {
this.runNegativeTest(
new String[] {
"p1/A.java",
"package p1;\n" +
"import static p2.C.B;\n" +
"public class A extends B {\n" +
" void test() {" +
" int i = B();\n" +
" B b = null;\n" +
" b.fooB();\n" +
" b.fooC();\n" +
" fooC();\n" +
" }\n" +
"}\n",
"p1/B.java",
"package p1;\n" +
"public class B {\n" +
" public void fooB() {}\n" +
"}\n",
"p2/C.java",
"package p2;\n" +
"public class C {\n" +
" public static class B { public void fooC() {} }\n" +
" public static int B() { return 0; }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p1\\A.java (at line 6)\n" +
" b.fooB();\n" +
" ^^^^\n" +
"The method fooB() is undefined for the type C.B\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=94262
public void test030() {
this.runNegativeTest(
new String[] {
"p2/Test.java",
"package p2;\n" +
"import static p1.A.*;\n" +
"public class Test {\n" +
" Inner1 i; // not found\n" +
" Inner2 j;\n" +
"}\n",
"p1/A.java",
"package p1;\n" +
"public class A {\n" +
" public class Inner1 {}\n" +
" public static class Inner2 {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p2\\Test.java (at line 4)\n" +
" Inner1 i; // not found\n" +
" ^^^^^^\n" +
"Inner1 cannot be resolved to a type\n" +
"----------\n"
);
this.runConformTest(
new String[] {
"p2/Test.java",
"package p2;\n" +
"import p1.A.*;\n" +
"import static p1.A.*;\n" +
"import static p1.A.*;\n" +
"public class Test {\n" +
" Inner1 i;\n" +
" Inner2 j;\n" +
"}\n",
"p1/A.java",
"package p1;\n" +
"public class A {\n" +
" public class Inner1 {}\n" +
" public static class Inner2 {}\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=95909
public void test031() {
this.runNegativeTest(
new String[] {
"PointRadius.java",
"import static java.lang.Math.sqrt;\n" +
"\n" +
"public class PointRadius {\n" +
"\n" +
" public static void main(String[] args) {\n" +
" double radius = 0;\n" +
" radius = sqrt(pondArea / Math.PI);\n" +
"\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in PointRadius.java (at line 7)\n" +
" radius = sqrt(pondArea / Math.PI);\n" +
" ^^^^^^^^\n" +
"pondArea cannot be resolved to a variable\n" +
"----------\n");
}
//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
public void test032() {
this.runConformTest(
new String[] {
"X.java",
"import static p.A.*;\n" +
"import static p.B.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {foo();}\n" +
"}\n",
"p/A.java",
"package p;" +
"public class A {\n" +
" public static void foo() {System.out.print(false);}\n" +
"}\n",
"p/B.java",
"package p;" +
"public class B extends A {\n" +
" public static void foo() {System.out.print(true);}\n" +
"}\n"
},
"true");
}
//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
public void test032b() {
this.runNegativeTest(
new String[] {
"X2.java",
"import static p2.A.*;\n" +
"import static p2.B.*;\n" +
"public class X2 { void test() {foo();} }\n",
"p2/A.java",
"package p2;" +
"public class A {\n" +
" public static void foo() {}\n" +
"}\n",
"p2/B.java",
"package p2;" +
"public class B {\n" +
" public static void foo() {}\n" +
"}\n"
},
"----------\n" +
"1. ERROR in X2.java (at line 3)\n" +
" public class X2 { void test() {foo();} }\n" +
" ^^^\n" +
"The method foo() is ambiguous for the type X2\n" +
"----------\n"
// reference to foo is ambiguous, both method foo() in p.B and method foo() in p.A match
);
}
//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
public void test032c() {
this.runConformTest(
new String[] {
"X3.java",
"import static p3.A.*;\n" +
"import static p3.B.foo;\n" +
"public class X3 {\n" +
" public static void main(String[] args) {foo();}\n" +
"}\n",
"p3/A.java",
"package p3;" +
"public class A {\n" +
" public static void foo() {System.out.print(false);}\n" +
"}\n",
"p3/B.java",
"package p3;" +
"public class B {\n" +
" public static void foo() {System.out.print(true);}\n" +
"}\n"
},
"true");
}
//http://bugs.eclipse.org/bugs/show_bug.cgi?id=97809
public void test032d() {
this.runConformTest(
new String[] {
"X4.java",
"import static p4.A.foo;\n" +
"import static p4.B.*;\n" +
"public class X4 {\n" +
" public static void main(String[] args) {foo();}\n" +
"}\n",
"p4/A.java",
"package p4;" +
"public class A {\n" +
" public static void foo() {System.out.print(true);}\n" +
"}\n",
"p4/B.java",
"package p4;" +
"public class B extends A {\n" +
" public static void foo() {System.out.print(false);}\n" +
"}\n"
},
"true");
}
public void test033() {
this.runConformTest(
new String[] {
"X.java",
"import static p.A.*;\n" +
"import static p.B.*;\n" +
"public class X {\n" +
" public static void main(String[] args) {foo(\"aa\");}\n" +
"}\n",
"p/A.java",
"package p;" +
"public class A {\n" +
" public static <U> void foo(U u) {System.out.print(false);}\n" +
"}\n",
"p/B.java",
"package p;" +
"public class B extends A {\n" +
" public static <V> void foo(String s) {System.out.print(true);}\n" +
"}\n"
},
"true");
}
public void test033b() {
this.runConformTest(
new String[] {
"X2.java",
"import static p2.A.*;\n" +
"import static p2.B.*;\n" +
"public class X2 {\n" +
" public static void main(String[] args) {foo(\"aa\");}\n" +
"}\n",
"p2/A.java",
"package p2;" +
"public class A {\n" +
" public static <U> void foo(String s) {System.out.print(true);}\n" +
"}\n",
"p2/B.java",
"package p2;" +
"public class B extends A {\n" +
" public static <V> void foo(V v) {System.out.print(false);}\n" +
"}\n"
},
"true");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=104198
public void test034() {
this.runConformTest(
new String[] {
"test/AbstractTest.java",
"package test;\n" +
"public abstract class AbstractTest<Z> {\n" +
" \n" +
" public abstract MyEnum m(Z z);\n" +
" \n" +
" public enum MyEnum {\n" +
" A,B\n" +
" }\n" +
"}\n",
"test/X.java",
"package test;\n" +
"import static test.AbstractTest.MyEnum.*;\n" +
"public class X extends AbstractTest<String> {\n" +
" @Override public MyEnum m(String s) {\n" +
" return A;\n" +
" }\n" +
"}\n"
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=117861
public void test035() {
this.runConformTest(
new String[] {
"Bug.java",
"import static java.lang.String.format;\n" +
"public class Bug extends p.TestCase {\n" +
" public static void main(String[] args) {\n" +
" String msg = \"test\";\n" +
" System.out.print(format(msg));\n" +
" System.out.print(format(msg, 1, 2));\n" +
" }\n" +
"}\n",
"p/TestCase.java",
"package p;\n" +
"public class TestCase {\n" +
" static String format(String message, Object expected, Object actual) {return null;}\n" +
"}\n"
},
"testtest");
this.runNegativeTest(
new String[] {
"C.java",
"class A {\n" +
" static class B { void foo(Object o, String s) {} }\n" +
" void foo(int i) {}\n" +
"}\n" +
"class C extends A.B {\n" +
" void test() { foo(1); }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in C.java (at line 6)\n" +
" void test() { foo(1); }\n" +
" ^^^\n" +
"The method foo(Object, String) in the type A.B is not applicable for the arguments (int)\n" +
"----------\n");
this.runNegativeTest(
new String[] {
"A.java",
"public class A {\n" +
" void foo(int i, long j) {}\n" +
" class B {\n" +
" void foo() { foo(1, 1); }\n" +
" }\n" +
"}",
},
"----------\n" +
"1. ERROR in A.java (at line 4)\n" +
" void foo() { foo(1, 1); }\n" +
" ^^^\n" +
"The method foo() in the type A.B is not applicable for the arguments (int, int)\n" +
"----------\n"
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564
public void test036() {
this.runNegativeTest(
new String[] {
"X.java",
"import static p.A.CONSTANT_I;\n" +
"import static p.A.CONSTANT_B;\n" +
"public class X {\n" +
" static int i = p.A.CONSTANT_I;\n" +
" static int j = p.A.CONSTANT_B;\n" +
" static int m = CONSTANT_I;\n" +
" static int n = CONSTANT_B;\n" +
"}",
"p/A.java",
"package p;\n" +
"public class A extends B implements I {}\n" +
"interface I { int CONSTANT_I = 1; }\n" +
"class B { int CONSTANT_B = 1; }",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" import static p.A.CONSTANT_B;\n" +
" ^^^^^^^^^^^^^^\n" +
"The field B.p.A.CONSTANT_B is not visible\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" static int j = p.A.CONSTANT_B;\n" +
" ^^^^^^^^^^\n" +
"The field B.CONSTANT_B is not visible\n" +
"----------\n" +
"3. ERROR in X.java (at line 7)\n" +
" static int n = CONSTANT_B;\n" +
" ^^^^^^^^^^\n" +
"CONSTANT_B cannot be resolved to a variable\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564 - variation
public void test037() {
this.runConformTest(
new String[] {
"X.java",
"import static p.A.CONSTANT_I;\n" +
"import static p.A.CONSTANT_B;\n" +
"public class X {\n" +
" static int i = p.A.CONSTANT_I;\n" +
" static int j = p.A.CONSTANT_B;\n" +
" static int m = CONSTANT_I;\n" +
" static int n = CONSTANT_B;\n" +
"}",
"p/A.java",
"package p;\n" +
"public class A extends B implements I {}\n" +
"interface I { int CONSTANT_I = 1; }\n" +
"class B { public static int CONSTANT_B = 1; }",
},
JavacTestOptions.JavacHasABug.JavacBugFixed_6_10);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564 - variation
public void test038() {
this.runNegativeTest(
new String[] {
"X.java",
"import static p.A.foo_I;\n" +
"import static p.A.foo_B;\n" +
"public class X {\n" +
" static int i = p.A.foo_I();\n" +
" static int j = p.A.foo_B();\n" +
" static int m = foo_I();\n" +
" static int n = foo_B();\n" +
"}",
"p/A.java",
"package p;\n" +
"public abstract class A extends B implements I {}\n" +
"interface I { int foo_I(); }\n" +
"class B { int foo_B() { return 2;} }",
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" import static p.A.foo_I;\n" +
" ^^^^^^^^^\n" +
"The import p.A.foo_I cannot be resolved\n" +
"----------\n" +
"2. ERROR in X.java (at line 2)\n" +
" import static p.A.foo_B;\n" +
" ^^^^^^^^^\n" +
"The import p.A.foo_B cannot be resolved\n" +
"----------\n" +
"3. ERROR in X.java (at line 4)\n" +
" static int i = p.A.foo_I();\n" +
" ^^^^^^^^^^^\n" +
"Cannot make a static reference to the non-static method foo_I() from the type I\n" +
"----------\n" +
"4. ERROR in X.java (at line 5)\n" +
" static int j = p.A.foo_B();\n" +
" ^^^^^\n" +
"The method foo_B() from the type B is not visible\n" +
"----------\n" +
"5. ERROR in X.java (at line 6)\n" +
" static int m = foo_I();\n" +
" ^^^^^\n" +
"The method foo_I() is undefined for the type X\n" +
"----------\n" +
"6. ERROR in X.java (at line 7)\n" +
" static int n = foo_B();\n" +
" ^^^^^\n" +
"The method foo_B() is undefined for the type X\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=126564 - variation
public void test039() {
this.runNegativeTest(
new String[] {
"X.java",
"import static p.A.foo_I;\n" +
"import static p.A.foo_B;\n" +
"public class X {\n" +
" static int i = p.A.foo_I();\n" +
" static int j = p.A.foo_B();\n" +
" static int m = foo_I();\n" +
" static int n = foo_B();\n" +
"}",
"p/A.java",
"package p;\n" +
"public abstract class A extends B implements I {}\n" +
"interface I { int foo_I(); }\n" +
"class B { public static int foo_B() { return 2;} }",
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" import static p.A.foo_I;\n" +
" ^^^^^^^^^\n" +
"The import p.A.foo_I cannot be resolved\n" +
"----------\n" +
"2. ERROR in X.java (at line 4)\n" +
" static int i = p.A.foo_I();\n" +
" ^^^^^^^^^^^\n" +
"Cannot make a static reference to the non-static method foo_I() from the type I\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" static int m = foo_I();\n" +
" ^^^^^\n" +
"The method foo_I() is undefined for the type X\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=87490 - variation
public void test040() {
this.runConformTest(
new String[] {
"p1/Z.java",//====================
"package p1;\n" +
"public class Z {\n" +
" public interface I {\n" +
" }\n" +
"}\n",
"q/Y.java",//====================
"package q;\n" +
"import static p.X.foo;\n" +
"import static p1.Z.I;\n" +
"public class Y implements I {\n" +
"}\n",
"p/X.java",//====================
"package p;\n" +
"public class X {\n" +
" public static void foo() {}\n" +
"}\n" ,
},
"");
// recompile Y against binaries
this.runConformTest(
new String[] {
"q/Y.java",//====================
"package q;\n" +
"import static p.X.foo;\n" +
"import static p1.Z.I;\n" +
"public class Y implements I {\n" +
"}\n",
},
"",
null,
false,
null);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=134118
public void test041() {
this.runConformTest(
true,
new String[] {
"Test.java",
"import static p.I.*;\n" +
"import static p.J.*;\n" +
"public class Test {\n" +
" int i = Constant;\n" +
"}\n",
"p/I.java",
"package p;\n" +
"public interface I { static int Constant = 1; }\n",
"p/J.java",
"package p;\n" +
"public interface J extends I {}\n" ,
},
"----------\n" +
"1. WARNING in Test.java (at line 2)\n" +
" import static p.J.*;\n" +
" ^^^\n" +
"The import p.J is never used\n" +
"----------\n",
null,
null,
JavacTestOptions.Excuse.EclipseHasSomeMoreWarnings
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=133737
public void test042() {
this.runNegativeTest(
new String[] {
"ImportTest.java",
"import static p.ArrayTest.toString2;\n" +
"public class ImportTest extends SuperTest {\n" +
" public static void main(String[] args) { printArgs(1, 2, 3, 4, 5); }\n" +
" static void printArgs(Object... args) { toString2(args); }\n" +
"}\n" +
"class SuperTest {\n" +
" static void toString2() {}\n" +
"}\n",
"p/ArrayTest.java",
"package p;\n" +
"public class ArrayTest {\n" +
" public static void toString2(String[] args) {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in ImportTest.java (at line 4)\n" +
" static void printArgs(Object... args) { toString2(args); }\n" +
" ^^^^^^^^^\n" +
"The method toString2() in the type SuperTest is not applicable for the arguments (Object[])\n" +
"----------\n"
// toString2() in SuperTest cannot be applied to (java.lang.Object[])
);
this.runNegativeTest(
new String[] {
"ImportTest.java",
"import static java.util.Arrays.toString;\n" +
"public class ImportTest {\n" +
" public static void main(String[] args) { printArgs(1, 2, 3, 4, 5); }\n" +
" static void printArgs(Object... args) { toString(args); }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in ImportTest.java (at line 4)\n" +
" static void printArgs(Object... args) { toString(args); }\n" +
" ^^^^^^^^\n" +
"The method toString() in the type Object is not applicable for the arguments (Object[])\n" +
"----------\n"
// toString() in java.lang.Object cannot be applied to (java.lang.Object[])
);
}
public void test042b() {
this.runConformTest(
new String[] {
"ImportTest.java",
"import static p.DefinesFoo.foo;\n" +
"public class ImportTest extends SuperImportTest {\n" +
" void test() { foo(\"fails?\"); }\n" +
"}\n" +
"class SuperImportTest {\n" +
" private void foo() {}\n" +
"}\n",
"p/DefinesFoo.java",
"package p;\n" +
"public class DefinesFoo {\n" +
" public static void foo(String s) {}\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=129388
public void test043() {
this.runConformTest(
new String[] {
"B.java",
"import static java.lang.String.format;\n" +
"public class B extends p.A {\n" +
" void test() { format(\"fails?\"); }\n" +
" void test2() { format(\"fails?\", null); }\n" +
" void test3() { format(\"fails?\", null, null); }\n" +
" void test4() { format(\"fails?\", null, null, null); }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A {\n" +
" static String format(String message, Object expected, Object actual) { return null; }\n" +
"}\n",
},
""
);
}
// names potential confusion
public void test044() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p.X.B.E;\n" +
"import static p.X.B.*;\n" +
"\n" +
"public class X {\n" +
" public static class Y {\n" +
" public enum E { FOO; }\n" +
" public static Object E() { return null; }\n" +
" public enum F { FOO; }\n" +
" public static Object F() { return null; }\n" +
" }\n" +
" public static class B extends Y {}\n" +
" Object f1 = E.FOO;\n" +
" Object f2 = E();\n" +
" Object f3 = F.FOO;\n" +
" Object f4 = F();\n" +
"}\n",
},
""
);
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=142772
public void test045() {
this.runNegativeTest(
new String[] {
"X.java",
"import static test.Y.arrayList;\n" +
"public class X { static void arrayList(int x) { arrayList(); } }\n",
"test/Y.java",
"package test;\n" +
"public class Y { public static void arrayList() {} }\n",
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" public class X { static void arrayList(int x) { arrayList(); } }\n" +
" ^^^^^^^^^\n" +
"The method arrayList(int) in the type X is not applicable for the arguments ()\n" +
"----------\n"
// arrayList(int) in X cannot be applied to ()
);
}
public void test045b() {
this.runNegativeTest(
new String[] {
"test/One.java",
"package test;\n" +
"public class One { public static void arrayList(String s) {} }\n",
"test/Two.java",
"package test;\n" +
"public class Two { public void arrayList(int i) {} }\n",
"test/Three.java",
"package test;\n" +
"import static test.One.arrayList;\n" +
"public class Three extends Two { public static void test(String s) { arrayList(s); } }\n",
},
"----------\n" +
"1. ERROR in test\\Three.java (at line 3)\n" +
" public class Three extends Two { public static void test(String s) { arrayList(s); } }\n" +
" ^^^^^^^^^\n" +
"The method arrayList(int) in the type Two is not applicable for the arguments (String)\n" +
"----------\n"
// arrayList(int) in test.Two cannot be applied to (java.lang.String)
);
this.runNegativeTest(
new String[] {
"test/One.java",
"package test;\n" +
"public class One { public static void arrayList(String s) {} }\n",
"test/Two.java",
"package test;\n" +
"public class Two { public static void arrayList(int i) {} }\n",
"test/Three.java",
"package test;\n" +
"import static test.One.arrayList;\n" +
"public class Three extends Two { public static void test(String s) { arrayList(s); } }\n",
},
"----------\n" +
"1. ERROR in test\\Three.java (at line 3)\n" +
" public class Three extends Two { public static void test(String s) { arrayList(s); } }\n" +
" ^^^^^^^^^\n" +
"The method arrayList(int) in the type Two is not applicable for the arguments (String)\n" +
"----------\n"
// arrayList(int) in test.Two cannot be applied to (java.lang.String)
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=133737
public void test046() {
this.runNegativeTest(
new String[] {
"error/Exporter.java",
"package error;\n" +
"public class Exporter {\n" +
" public static String getName(Class<?> c) {\n" +
" return null;\n" +
" }\n" +
"}",
"error/Importer.java",
"package error;\n" +
"import static error.Exporter.getName;\n" +
"public class Importer extends Base {\n" +
" public void testSomething() {\n" +
" getName();\n" +
" getName(Importer.class);\n" +
" }\n" +
"}",
"error/Base.java",
"package error;\n" +
"public class Base {\n" +
" public String getName() {\n" +
" return \"name\";\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in error\\Importer.java (at line 6)\n" +
" getName(Importer.class);\n" +
" ^^^^^^^\n" +
"The method getName() in the type Base is not applicable for the arguments (Class<Importer>)\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165069
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165081
public void test047() {
this.runNegativeTest(
new String[] {
"sample/X.java",
"package sample;\n" +
"import static sample.X.TestEnum.V1;\n" +
"import static sample.X.TestEnum.V2;\n" +
"\n" +
"public class X<T> {\n" +
" public static enum TestEnum {\n" +
" V1,\n" +
" V2\n" +
" }\n" +
"\n" +
" public void test(final TestEnum value) {\n" +
" switch (value) {\n" +
" case V1:\n" +
" case V2:\n" +
" }\n" +
" }\n" +
"\n" +
" public void ref() {\n" +
" final TestEnum v1 = TestEnum.V1;\n" +
" final TestEnum v2 = TestEnum.V2;\n" +
" int i;\n" +
" i++;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in sample\\X.java (at line 2)\n" +
" import static sample.X.TestEnum.V1;\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"The import sample.X.TestEnum.V1 is never used\n" +
"----------\n" +
"2. WARNING in sample\\X.java (at line 3)\n" +
" import static sample.X.TestEnum.V2;\n" +
" ^^^^^^^^^^^^^^^^^^^^\n" +
"The import sample.X.TestEnum.V2 is never used\n" +
"----------\n" +
"3. ERROR in sample\\X.java (at line 22)\n" +
" i++;\n" +
" ^\n" +
"The local variable i may not have been initialized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165069 - variation
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165081 - variation
public void test048() {
this.runNegativeTest(
new String[] {
"sample/X.java",
"package sample;\n" +
"import static sample.X.TestEnum.*;\n" +
"\n" +
"public class X<T> {\n" +
" public static enum TestEnum {\n" +
" V1,\n" +
" V2\n" +
" }\n" +
"\n" +
" public void test(final TestEnum value) {\n" +
" switch (value) {\n" +
" case V1:\n" +
" case V2:\n" +
" }\n" +
" }\n" +
"\n" +
" public void ref() {\n" +
" final TestEnum v1 = TestEnum.V1;\n" +
" final TestEnum v2 = TestEnum.V2;\n" +
" int i;\n" +
" i++;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in sample\\X.java (at line 2)\n" +
" import static sample.X.TestEnum.*;\n" +
" ^^^^^^^^^^^^^^^^^\n" +
"The import sample.X.TestEnum is never used\n" +
"----------\n" +
"2. ERROR in sample\\X.java (at line 21)\n" +
" i++;\n" +
" ^\n" +
"The local variable i may not have been initialized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=165081 - variation
public void test049() {
this.runNegativeTest(
new String[] {
"sample/X.java",
"package sample;\n" +
"import static sample.X.*;\n" +
"public class X {\n" +
" public class Member {}\n" +
" public void ref() {\n" +
" int i;\n" +
" i++;\n" +
" }\n" +
"}", // =================
},
"----------\n" +
"1. WARNING in sample\\X.java (at line 2)\n" +
" import static sample.X.*;\n" +
" ^^^^^^^^\n" +
"The import sample.X is never used\n" +
"----------\n" +
"2. ERROR in sample\\X.java (at line 7)\n" +
" i++;\n" +
" ^\n" +
"The local variable i may not have been initialized\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=187329
public void test050() {
this.runConformTest(
new String[] {
"p/A.java",
"package p;\n" +
"import static p.B.bar3;\n" +
"public class A { int a = bar3; }" ,
"p/B.java",
"package p;\n" +
"import static p.Util.someStaticMethod;\n" +
"public class B {\n" +
" static final int bar = someStaticMethod();\n" +
" static final int bar2 = someStaticMethod();\n" +
" static final int bar3 = someStaticMethod();\n" +
"}" ,
"p/C.java",
"package p;\n" +
"import static p.B.bar;\n" +
"public class C { int c = bar; }" ,
"p/Util.java",
"package p;\n" +
"class Util { static int someStaticMethod() { return 0; } }"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207433
public void test051() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static r.Y.Z;\n" +
"import q.*;\n" +
"public class X<T> extends Z<T> {\n" +
" Z<T> getZ() { return null; } \n" +
" void bar() {\n" +
" System.out.println(getZ().value);\n" +
" }\n" +
"}\n",
"q/Z.java",
"package q;\n" +
"import r.Y;\n" +
"public class Z<T> extends Y<T> {\n" +
"}\n",
"r/Y.java",
"package r;\n" +
"public class Y<T> {\n" +
" public static String foo;\n" +
" public String value;\n" +
" public static String Z;\n" +
"}\n" ,
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207433 - variation
public void test052() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static r.Y.*;\n" +
"import q.*;\n" +
"public class X<T> extends Z<T> {\n" +
" Z<T> getZ() { return null; } \n" +
" void bar() {\n" +
" System.out.println(getZ().value);\n" +
" }\n" +
"}\n",
"q/Z.java",
"package q;\n" +
"import r.Y;\n" +
"public class Z<T> extends Y<T> {\n" +
"}\n",
"r/Y.java",
"package r;\n" +
"public class Y<T> {\n" +
" public static String foo;\n" +
" public String value;\n" +
" public static String Z;\n" +
"}\n" ,
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=207433 - variation
public void test053() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static q.Y.foo;\n" +
"public class X extends Z {\n" +
" Z getZ() { return null; } \n" +
" void bar() {\n" +
" System.out.println(getZ().value);\n" +
" }\n" +
"}\n",
"p/Z.java",
"package p;\n" +
"import q.Y;\n" +
"public class Z extends Y {\n" +
"}\n",
"q/Y.java",
"package q;\n" +
"public class Y {\n" +
" public static int foo;\n" +
" public int value;\n" +
"}\n" ,
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193210
public void test055() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static r.Y.Z;\n" +
"import q.*;\n" +
"import r.*;\n" +
"public class X<T> extends Z<T> {\n" +
" V<T> getV() { return null; } \n" +
" void bar() {\n" +
" System.out.println(getV().value);\n" +
" }\n" +
"}\n",
"q/Z.java",
"package q;\n" +
"import r.Y;\n" +
"public class Z<T> extends Y<T> {\n" +
"}\n",
"r/Y.java",
"package r;\n" +
"public class Y<T> extends V<T>{\n" +
" public static class Z<U> {}\n" +
"}\n" ,
"r/V.java",
"package r;\n" +
"public class V<T> {\n" +
" public Runnable value;\n" +
"}\n" ,
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193210 - variation
public void test056() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static r.Y.Z;\n" +
"import q.*;\n" +
"public class X extends Z {\n" +
" Z getZ() { return null; } \n" +
" void bar() {\n" +
" System.out.println(getZ().value);\n" +
" }\n" +
"}\n",
"q/Z.java",
"package q;\n" +
"import r.Y;\n" +
"public class Z extends Y {\n" +
"}\n",
"r/Y.java",
"package r;\n" +
"public class Y extends V{\n" +
" public static class Z {}\n" +
"}\n" ,
"r/V.java",
"package r;\n" +
"public class V {\n" +
" public Runnable value;\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in p\\X.java (at line 7)\n" +
" System.out.println(getZ().value);\n" +
" ^^^^^\n" +
"value cannot be resolved or is not a field\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=193210 - variation
public void test057() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static r.Y.Z;\n" +
"import q.*;\n" +
"public class X<T> extends Z<T> {\n" +
" Z<T> getZ() { return null; } \n" +
" void bar() {\n" +
" System.out.println(getZ().value);\n" +
" }\n" +
"}\n",
"q/Z.java",
"package q;\n" +
"import r.Y;\n" +
"public class Z<T> extends Y<T> {\n" +
"}\n",
"r/Y.java",
"package r;\n" +
"public class Y<T> extends V<T>{\n" +
" public static class Z {}\n" +
"}\n" ,
"r/V.java",
"package r;\n" +
"public class V<T> {\n" +
" public Runnable value;\n" +
"}\n" ,
},
"----------\n" +
"1. ERROR in p\\X.java (at line 4)\n" +
" public class X<T> extends Z<T> {\n" +
" ^\n" +
"The type Y.Z is not generic; it cannot be parameterized with arguments <T>\n" +
"----------\n" +
"2. ERROR in p\\X.java (at line 5)\n" +
" Z<T> getZ() { return null; } \n" +
" ^\n" +
"The type Y.Z is not generic; it cannot be parameterized with arguments <T>\n" +
"----------\n" +
"3. ERROR in p\\X.java (at line 7)\n" +
" System.out.println(getZ().value);\n" +
" ^^^^\n" +
"The method getZ() is undefined for the type X<T>\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=216930
public void test058() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static p.A.a;\n" +
"public class X {\n" +
" void foo(W w) { a(w).a(w); }\n" +
"}\n",
"p/A.java",
"package p;\n" +
"public class A {\n" +
" public static A a(W... w) { return null; }\n" +
" public A a(W w) { return null; }\n" +
"}\n",
"p/W.java",
"package p;\n" +
"public class W {}\n"
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211
public void test059() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static q.A.a;\n" +
"public class X {\n" +
"}\n",
"q/A.java",
"package q;\n" +
"interface I {\n" +
" String a = \"\";\n" +
"}\n" +
"class B {\n" +
" public static String a;\n" +
"}\n" +
"public class A extends B implements I{\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
public void test060() {
this.runConformTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static q.A.a;\n" +
"public class X {\n" +
"}\n",
"q/A.java",
"package q;\n" +
"interface I {\n" +
" String a(Object o);\n" +
"}\n" +
"class B {\n" +
" public static void a(){}\n" +
"}\n" +
"public abstract class A extends B implements I{\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
public void test061() {
runConformTest(
// test directory preparation
true /* flush output directory */,
new String[] { /* test files */
"p/X.java",
"package p;\n" +
"import static q.A.a;\n" +
"public class X {\n" +
"}\n",
"q/A.java",
"package q;\n" +
"interface I {\n" +
" String a = \"\";\n" +
"}\n" +
"interface B {\n" +
" String a = \"2\";\n" +
"}\n" +
"public class A implements B, I {\n" +
"}\n",
},
// compiler results
null /* do not check compiler log */,
// runtime results
"" /* expected output string */,
null /* do not check error string */,
// javac options
JavacTestOptions.DEFAULT /* javac test options */);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
public void test062() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static q.A.a;\n" +
"public class X {\n" +
"}\n",
"q/A.java",
"package q;\n" +
"interface I {\n" +
" String a(Object o);\n" +
"}\n" +
"interface B {\n" +
" void a();\n" +
"}\n" +
"public abstract class A implements B, I{\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p\\X.java (at line 2)\n" +
" import static q.A.a;\n" +
" ^^^^^\n" +
"The import q.A.a cannot be resolved\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
public void test063() {
this.runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"import static q.A.a;\n" +
"import static q.A.b;\n" +
"public class X {\n" +
" void test() {\n" +
" System.out.println(a);\n" +
" System.out.println(b);\n" +
" System.out.println(b(1));\n" +
" }\n" +
"}\n",
"q/A.java",
"package q;\n" +
"interface I {\n" +
" String a = \"1\";\n" +
" String b = \"2\";\n" +
"}\n" +
"interface J {\n" +
" String a = \"3\";\n" +
"}\n" +
"class B {\n" +
" public static String a = \"4\";\n" +
" public static String b = \"5\";\n" +
" public static String b(int i) { return \"6\"; }\n" +
"}\n" +
"public class A extends B implements J, I {}\n",
},
"----------\n" +
"1. ERROR in p\\X.java (at line 6)\n" +
" System.out.println(a);\n" +
" ^\n" +
"The field a is ambiguous\n" +
"----------\n" +
"2. ERROR in p\\X.java (at line 7)\n" +
" System.out.println(b);\n" +
" ^\n" +
"The field b is ambiguous\n" +
"----------\n",
JavacTestOptions.DEFAULT
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=183211 - variation
public void test064() {
this.runNegativeTest(
new String[] {
"p1/X.java",
"package p1;\n" +
"import static p2.A.M;\n" +
"public class X {\n" +
" M m;\n" +
"}\n",
"p2/A.java",
"package p2;\n" +
"interface I { class M {} }\n" +
"class B { public static class M {} }\n" +
"public class A extends B implements I {}\n",
},
"----------\n" +
"1. ERROR in p1\\X.java (at line 4)\n" +
" M m;\n" +
" ^\n" +
"The type M is ambiguous\n" +
"----------\n",
JavacTestOptions.DEFAULT
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026
public void test065() {
this.runConformTest(
new String[] {
"X.java",
"import static p.I.E.C;\n" +
"\n" +
"class C {}\n" +
"class B<T> {}\n" +
"public class X extends B<C>{\n" +
"}",
"p/I.java",
"package p;\n" +
"\n" +
"public interface I <T extends Object> {\n" +
" enum E { C }\n" +
"}",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
public void test066() {
this.runConformTest(
new String[] {
"X.java",
"import static p.I.E.C;\n" +
"\n" +
"class C {}\n" +
"class B<T> {}\n" +
"public class X extends B<C>{\n" +
"}",
"p/I.java",
"package p;\n" +
"\n" +
"public interface I <T extends Object> {\n" +
" enum E { ; public static void C(){} }\n" +
"}",
},
""
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
public void test067() {
this.runNegativeTest(
new String[] {
"X.java",
"import static p.I.E.C;\n" +
"\n" +
"class C {}\n" +
"class B<T> {}\n" +
"public class X extends B<C>{\n" +
"}",
"p/I.java",
"package p;\n" +
"\n" +
"public interface I <T extends Object> {\n" +
" enum E { ; static void C(){} }\n" +
"}",
},
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" import static p.I.E.C;\n" +
" ^^^^^^^\n" +
"The import p.I.E.C cannot be resolved\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
public void test068() {
this.runConformTest(
new String[] {
"X.java",
"import static p.I.E.C;\n" +
"class C {}\n" +
"class B<T> {}\n" +
"public class X extends B<C>{\n" +
" static void test() { int i = C; }\n" +
"}",
"p/I.java",
"package p;\n" +
"public interface I<T extends Object> {\n" +
" public static class E extends F {}\n" +
" public static class F { public static int C; }\n" +
"}",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=230026 - variation
public void test069() {
this.runConformTest(
new String[] {
"X.java",
"import static p.I.E.C;\n" +
"class C {}\n" +
"class B<T> {}\n" +
"public class X extends B<C>{\n" +
" static void test() { C(); }\n" +
"}",
"p/I.java",
"package p;\n" +
"public interface I<T extends Object> {\n" +
" public static class E extends F {}\n" +
" public static class F { public static void C() {} }\n" +
"}",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=250211
public void test070() {
this.runConformTest(
new String[] {
"node/Test.java",//------------------------------
"package node;\n" +
"public class Test {\n" +
" public static void node() {}\n" +
"}\n",
"node2/Test2.java",//------------------------------
"package node2;\n" +
"import static node.Test.node;\n" +
"public class Test2 {\n" +
"}\n",
},
"");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=250211 - variation
public void test071() {
this.runNegativeTest(
new String[] {
"node/Test/node.java",//------------------------------
"package node.Test;\n" +
"public class node {\n" +
"}\n",
"node/Test.java",//------------------------------
"package node;\n" +
"public class Test {\n" +
" public static void node() {}\n" +
"}\n",
"node2/Test2.java",//------------------------------
"package node2;\n" +
"import node.Test;\n" +
"import static Test.node;\n" +
"public class Test2 {\n" +
"}\n",
},
"----------\n" +
"1. WARNING in node\\Test.java (at line 2)\n" +
" public class Test {\n" +
" ^^^^\n" +
"The type Test collides with a package\n" +
"----------\n" +
"----------\n" +
"1. ERROR in node2\\Test2.java (at line 3)\n" +
" import static Test.node;\n" +
" ^^^^\n" +
"The import Test cannot be resolved\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=93913 - variation
public void test072() {
this.runNegativeTest(
new String[] {
"p1/A.java",
"package p1;\n" +
"import static p2.C.B;\n" +
"public class A extends B {\n" +
" void test() {" +
" int i = B;\n" +
" B b = null;\n" +
" int v1 = b.fooB;\n" +
" int v2 = b.fooC;\n" +
" int v3 = fooC;\n" +
" }\n" +
"}\n",
"p1/B.java",
"package p1;\n" +
"public class B {\n" +
" public int fooB;\n" +
"}\n",
"p2/C.java",
"package p2;\n" +
"public class C {\n" +
" public static class B { public int fooC; }\n" +
" public static int B;\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p1\\A.java (at line 6)\n" +
" int v1 = b.fooB;\n" +
" ^^^^\n" +
"fooB cannot be resolved or is not a field\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=256375
public void test073() {
this.runNegativeTest(
new String[] {
"test/Outer.java",
"package test;\n" +
"import static test.Outer.Inner.VALUE;\n" +
"public class Outer {\n" +
" int i = VALUE;\n" +
" int i2 = Inner.VALUE;\n" +
" static class Inner {\n" +
" private static final int VALUE = 0;\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in test\\Outer.java (at line 2)\n" +
" import static test.Outer.Inner.VALUE;\n" +
" ^^^^^^^^^^^^^^^^^^^^^^\n" +
"The field Outer.Inner.test.Outer.Inner.VALUE is not visible\n" +
"----------\n" +
"2. ERROR in test\\Outer.java (at line 4)\n" +
" int i = VALUE;\n" +
" ^^^^^\n" +
"VALUE cannot be resolved to a variable\n" +
"----------\n");
}
//https://bugs.eclipse.org/bugs/show_bug.cgi?id=256375 - variation
public void test074() {
this.runConformTest(
new String[] {
"test/Outer.java",
"package test;\n" +
"import static test.Outer.Inner.*;\n" +
"public class Outer {\n" +
" int i = VALUE;\n" +
" int i2 = Inner.VALUE;\n" +
" static class Inner {\n" +
" private static final int VALUE = 0;\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
// To verify that a static import importing a type which has already been
// imported by a single type import is reported as duplicate
// while the other static members imported by it are not shadowed.
public void test075() {
this.runNegativeTest(
new String[] {
"A/A.java",
"package A;\n" +
"import B.B.C1;\n" +
"import static B.B.C1;\n" +
"public abstract class A {\n" +
" protected void A1(Object task) {\n" +
" C1 c = C1(task);\n" +
" }\n" +
"}\n",
"B/B.java",
"package B;\n" +
"final public class B {\n" +
" private B() {}\n" +
" public static class C1 {}\n" +
" public static C1 C1(Object o) {\n" +
" return new C1();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A\\A.java (at line 3)\n" +
" import static B.B.C1;\n" +
" ^^^^^^\n" +
"The import B.B.C1 collides with another import statement\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
// To verify that a static import importing a static method doesn't collide
// with a single type import importing a non-static type with the same name as the method
public void test076() {
this.runConformTest(
new String[] {
"A/A.java",
"package A;\n" +
"import B.B.C1;\n" +
"import static B.B.C1;\n" +
"public class A {\n" +
" protected void A1(Object task) {\n" +
" C1 c1;\n" +
" int c = C1(task);\n" +
" }\n" +
"}\n",
"B/B.java",
"package B;\n" +
"final public class B {\n" +
" private B() {}\n" +
" public class C1 {}\n" +
" public static int C1(Object o) {\n" +
" return 1;\n" +
" }\n" +
"}\n",
},
"");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
// To verify that two static imports importing the same type don't collide
public void test077() {
this.runConformTest(
new String[] {
"p1/X.java",
"package p1;\n" +
"import p2.A;\n" +
"import static p2.A.C;\n" +
"import static p1.B.C;\n" +
"public class X {\n" +
" public static void main(String[] args) {\n" +
" foo();\n" +
" }\n" +
" public static void foo() {\n" +
" if (C.CONST == 1) {\n" +
" System.out.println(\"SUCCESS\");\n" +
" return;\n" +
" }\n" +
" System.out.println(\"FAILED\");\n" +
" }\n" +
"}\n" +
"class B extends A {}",
"p2/A.java",
"package p2;\n" +
"public class A {\n" +
" public static class C {\n" +
" public static int CONST = 1;\n" +
" }\n" +
"}"
},
"SUCCESS");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
// To verify that a static import importing a type which has already been
// imported by a single type import is reported as duplicate
// while the other static members imported by it are not shadowed.
public void test078() {
this.runNegativeTest(
new String[] {
"A/A.java",
"package A;\n" +
"import static B.B.C1;\n" +
"import B.B.C1;\n" +
"public abstract class A {\n" +
" protected void A1(Object task) {\n" +
" C1 c = C1(task);\n" +
" }\n" +
"}\n",
"B/B.java",
"package B;\n" +
"final public class B {\n" +
" private B() {}\n" +
" public static class C1 {}\n" +
" public static C1 C1(Object o) {\n" +
" return new C1();\n" +
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A\\A.java (at line 3)\n" +
" import B.B.C1;\n" +
" ^^^^^^\n" +
"The import B.B.C1 collides with another import statement\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
// To verify that a static import importing a type which has already been
// imported by a single type import is reported as duplicate
public void test079() {
this.runNegativeTest(
new String[] {
"A/A.java",
"package A;\n" +
"import static B.B.C1;\n" +
"import B.B.C1;\n" +
"public abstract class A {\n" +
" protected void A1(C1 c) {\n" +
" }\n" +
"}\n",
"B/B.java",
"package B;\n" +
"final public class B {\n" +
" public static class C1 {}\n" +
"}\n",
},
"----------\n" +
"1. ERROR in A\\A.java (at line 3)\n" +
" import B.B.C1;\n" +
" ^^^^^^\n" +
"The import B.B.C1 collides with another import statement\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=336934
public void test080() {
this.runNegativeTest(
new String[] {
"a/B.java",
"package a;\n" +
"public class B {}",
"external/Lib.java",
"package external;\n" +
"public class Lib {\n" +
" public static void m() {}\n" +
"}",
"a/B/C.java",
"package a.B;\n" +
"import static external.Lib.m;\n" +
"public class C {\n" +
" public void main() {\n" +
" m();\n" +
" }\n" +
"}"
},
"----------\n" +
"1. ERROR in a\\B\\C.java (at line 1)\n" +
" package a.B;\n" +
" ^^^\n" +
"The package a.B collides with a type\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
public void test081() {
this.runConformTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"import p3.Foo.*;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().beginTest();" +
" }\n" +
" public void beginTest(){\n" +
" System.out.print(\"1 + 1 = \");\n" +
" if(alwaysTrue()) System.out.println(\"2\");\n" +
" else System.out.println(\"3\"); " +
" }\n" +
" public boolean alwaysTrue(){\n" +
" String myB = B.class.getCanonicalName();;\n" + // refers to p1.Bar.B (class)
" String realB = p1.Bar.B.class.getCanonicalName();;\n" + // refers to p1.Bar.B (class)
" B();\n" + // refers to p1.Bar.B() (method)
" return myB.equals(realB);\n" +
" }\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar{\n" +
" public static class B{}\n" +
" final public static String B = new String(\"random\");\n" +
" public static void B(){}\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public class B{\n" +
" public int a;\n" +
" }\n" +
"}\n"
},
"1 + 1 = 2");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
public void test082() {
this.runNegativeTest(
new String[] {
"p1/Bar.java",
"package p1;\n" +
"public class Bar{\n" +
" public static class B{}\n" +
" final public static String B = new String(\"random\");\n" +
" public static void B(){}\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public class B{\n" +
" public int a;\n" +
" }\n" +
"}\n",
"p2/Test.java",
"package p2;\n" +
"import static p1.Bar.B;\n" +
"import p3.Foo.*;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().beginTest();" +
" }\n" +
" public void beginTest(){\n" +
" System.out.print(\"1 + 1 = \");\n" +
" if(alwaysTrue()) System.out.println(\"2\");\n" +
" else System.out.println(\"3\"); " +
" }\n" +
" public boolean alwaysTrue(){\n" +
" B b = null;\n" + // refers to p1.Bar.B (class)
" String realB = B;\n" + // refers to p1.Bar.B (field)
" B();\n" + // refers to p1.Bar.B() (method)
" int abc = b.a;\n;" + // static import for Bar.B overshadows on demand import Foo.B
" }\n" +
"}\n",
},
"----------\n" +
"1. ERROR in p2\\Test.java (at line 15)\n" +
" int abc = b.a;\n" +
" ^\n" +
"a cannot be resolved or is not a field\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
public void test083() {
this.runConformTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"import p3.Foo.*;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().test2();" +
" }\n" +
" public void test2(){\n" +
" System.out.println(B.toString());\n" + // Field obscures class B
" System.out.println(p1.Bar.B.toString());\n" + // Field obscures the class B
" System.out.println(B.class.getCanonicalName().toString());\n" + // the class B
" System.out.println(p1.Bar.B.class.getCanonicalName().toString());" + // class B
" }\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar{\n" +
" public static class B{}\n" +
" final public static String B = new String(\"random\");\n" +
" public static void B(){}\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public class B{\n" +
" public int a;\n" +
" }\n" +
"}\n"
},
"random\n" +
"random\n" +
"p1.Bar.B\n" +
"p1.Bar.B");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=318401
// Check if we're able to find the correct static member type being imported,
// even though the import originally resolved to the static field of the same name,
// coming from the supertype
public void test084() {
this.runConformTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"import p3.Foo.*;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().test2();" +
" }\n" +
" public void test2(){\n" +
" System.out.println(B.class.getCanonicalName().toString());\n" + // the class B
" System.out.println(p1.Bar.B.class.getCanonicalName().toString());" + // class B
" }\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar extends SuperBar{\n" +
" public static class B{}\n" +
" public static void B(){}\n" +
"}\n",
"p1/SuperBar.java",
"package p1;\n" +
"public class SuperBar {\n" +
" final public static String B = new String(\"random\");\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public class B{\n" +
" public int a;\n" +
" }\n" +
"}\n"
},
"p1.Bar.B\n" +
"p1.Bar.B");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
// To verify that all static members are imported with a single static import statement
public void test085() {
this.runNegativeTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"import static p3.Foo.B;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().test2();" +
" }\n" +
" public void test2(){\n" +
" System.out.println(B.class.getCanonicalName().toString());\n" +
" System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
" }\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar{\n" +
" public static class B{}\n" +
" public static String B = new String(\"random\");\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public static class B{\n" +
" }\n" +
"}\n"
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in Test.java (at line 2)\n" +
" import static p3.Foo.B;\n" +
" ^^^^^^^^\n" +
"The import p3.Foo.B collides with another import statement\n" +
"----------\n" :
"----------\n" +
"1. ERROR in Test.java (at line 7)\n" +
" System.out.println(B.class.getCanonicalName().toString());\n" +
" ^\n" +
"The type B is ambiguous\n" +
"----------\n"
);
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
// To verify that all static members are imported with a single static import statement,
// even from a supertype
public void test085a() {
this.runNegativeTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"import static p3.Foo.B;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().test2();" +
" }\n" +
" public void test2(){\n" +
" System.out.println(B.class.getCanonicalName().toString());\n" +
" System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
" }\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar extends SuperBar{\n" +
" public static void B(){}\n" +
"}\n",
"p1/SuperBar.java",
"package p1;\n" +
"public class SuperBar {\n" +
" public static class B{}\n" +
" final public static String B = new String(\"random\");\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public static class B{\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in Test.java (at line 2)\n" +
" import static p3.Foo.B;\n" +
" ^^^^^^^^\n" +
"The import p3.Foo.B collides with another import statement\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
// To verify that all static members are imported with a single static import statement
// this tests checks collision with single type import
public void test085b() {
this.runNegativeTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"import p3.Foo.B;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().test2();" +
" }\n" +
" public void test2(){\n" +
" System.out.println(B.class.getCanonicalName().toString());\n" +
" System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
" }\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar{\n" +
" public static class B{}\n" +
" public static String B = new String(\"random\");\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public class B{\n" +
" }\n" +
"}\n"
},
"----------\n" +
"1. ERROR in Test.java (at line 2)\n" +
" import p3.Foo.B;\n" +
" ^^^^^^^^\n" +
"The import p3.Foo.B collides with another import statement\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
// To verify that all static members are imported with a single static import statement
// this tests checks collision with top level type
public void test085c() {
this.runNegativeTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().test2();" +
" }\n" +
" public void test2(){\n" +
" System.out.println(B.class.getCanonicalName().toString());\n" +
" System.out.println(p1.Bar.B.class.getCanonicalName().toString());" +
" }\n" +
"}\n" +
"class B{\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar{\n" +
" public static class B{}\n" +
" public static String B = new String(\"random\");\n" +
"}\n",
},
"----------\n" +
"1. ERROR in Test.java (at line 1)\n" +
" import static p1.Bar.B;\n" +
" ^^^^^^^^\n" +
"The import p1.Bar.B conflicts with a type defined in the same file\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=361327
// Test obscuring rules defined in JLS 7.5.3
public void test086() {
this.runConformTest(
new String[] {
"Test.java",
"import static p1.Bar.B;\n" +
"import static p3.Foo.*;\n" +
"public class Test {\n" +
" public static void main(String [] args){\n" +
" new Test().test2();" +
" }\n" +
" public void test2(){\n" +
" B();\n" + // should be p1.Bar.B() and not p3.Foo.B()
" System.out.println(B.toString());\n" + // should be p1.Bar.B
" }\n" +
"}\n",
"p1/Bar.java",
"package p1;\n" +
"public class Bar{\n" +
" public static void B(){ System.out.println(\"Bar's method B\");}\n" +
" public static String B = new String(\"Bar's field B\");\n" +
"}\n",
"p3/Foo.java",
"package p3;\n" +
"public class Foo {\n" +
" public static void B(){ System.out.println(\"Foo's method B\");}\n" +
" public static String B = new String(\"Foo's field B\");\n" +
"}\n"
},
"Bar\'s method B\n" +
"Bar\'s field B");
}
// https://bugs.eclipse.org/401271 - StackOverflowError when searching for a methods references
public void testBug401271() {
runNegativeTest(
new String[] {
"a/b/c/a.java",
"package a.b.c;\n" +
"public class a {}\n",
"a/b/c/C.java",
"package a.b.c;\n" +
"public class C {\n" +
" public static final int a = 3;\n" +
"}\n",
"x/y/R.java",
"package x.y;\n" +
"import static a.b.c.C.a;\n" +
"//import a.b.c.a;\n" +
"\n" +
"public class R { \n" +
" a b; \n" +
" char h = a; \n" +
"}"
},
"----------\n" +
"1. ERROR in x\\y\\R.java (at line 6)\n" +
" a b; \n" +
" ^\n" +
"a cannot be resolved to a type\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=426544 - [1.8][compiler] Compiler over-eagerly detects collision of single static imports
public void test426544() {
runNegativeTest(
new String[] {
"p/X.java",
"package p;\n" +
"public class X {\n" +
" public static int f;\n" +
" public static class C {}\n" +
" public static class I {}\n" +
"}\n",
"q/X.java",
"package q;\n" +
"public class X {\n" +
" public static int f;\n" +
" public static class C {}\n" +
" public static class I {}\n" +
"}\n",
"X.java",
"import static p.X.f;\n" +
"import static q.X.f;\n" +
"import static p.X.C;\n" +
"import static p.X.I;\n" +
"import static q.X.C;\n" +
"import static q.X.I;\n" +
"public class X { \n" +
" { f = 0; }\n" +
" { C c = null; }\n" +
" { I i = null; }\n" +
"}\n"
},
this.complianceLevel < ClassFileConstants.JDK1_8 ?
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" import static q.X.f;\n" +
" ^^^^^\n" +
"The import q.X.f collides with another import statement\n" +
"----------\n" +
"2. ERROR in X.java (at line 5)\n" +
" import static q.X.C;\n" +
" ^^^^^\n" +
"The import q.X.C collides with another import statement\n" +
"----------\n" +
"3. ERROR in X.java (at line 6)\n" +
" import static q.X.I;\n" +
" ^^^^^\n" +
"The import q.X.I collides with another import statement\n" +
"----------\n" :
"----------\n" +
"1. ERROR in X.java (at line 8)\n" +
" { f = 0; }\n" +
" ^\n" +
"The field f is ambiguous\n" +
"----------\n" +
"2. ERROR in X.java (at line 9)\n" +
" { C c = null; }\n" +
" ^\n" +
"The type C is ambiguous\n" +
"----------\n" +
"3. ERROR in X.java (at line 10)\n" +
" { I i = null; }\n" +
" ^\n" +
"The type I is ambiguous\n" +
"----------\n");
}
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=479287
// erroneous compile error using static imports and generics
public void testBug479287() {
this.runConformTest(
new String[] {
"joetest/GenericsIssue.java",
"package joetest;\n" +
"import static joetest.GenericsIssueCollaborator.takesAnything;\n" +
"import java.util.Collection;\n" +
"import java.util.Collections;\n" +
"public class GenericsIssue {\n" +
" private void oddCompileError() {\n" +
" takesAnything(returnThings(\"works without wildcard in return value\"));\n" +
" GenericsIssueCollaborator.takesAnything(returnThingsWildcard(\"works without static import\"));\n" +
" takesAnything(returnThingsWildcard(\"doesn\'t work with static import\"));\n" +
" }\n" +
" private <T> Collection<T> returnThings(T thing) {\n" +
" return Collections.singleton(thing);\n" +
" }\n" +
" \n" +
" private <T> Collection<? extends T> returnThingsWildcard(T toReturn) {\n" +
" return Collections.singleton(toReturn);\n" +
" }\n" +
"}",
"joetest/GenericsIssueCollaborator.java",
"package joetest;\n" +
"public class GenericsIssueCollaborator {\n" +
" public static <T> void takesAnything(T thing) {\n" +
" System.out.println(\"TOOK IT: \" + thing);\n" +
" }\n" +
"}"
});
}
}