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authorManoj Palat2019-02-03 01:17:58 +0000
committerVikas Chandra2019-02-06 06:22:40 +0000
commitcfd247fcbecc1e8572929c260734666fb6a40536 (patch)
tree15bda6d9d259f0446fc30ab665af397956e2de6c
parent8a1071fd0c22ca461a7868b29e9af8a866b80cd2 (diff)
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Bug 542559 - initial starter wip.1
Change-Id: Ia6fbb9c34937c69514a142daed4576c878cb6f68 Signed-off-by: Vikas Chandra <Vikas.Chandra@in.ibm.com>
-rw-r--r--org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/JavaSearchBugs12Tests.java630
1 files changed, 630 insertions, 0 deletions
diff --git a/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/JavaSearchBugs12Tests.java b/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/JavaSearchBugs12Tests.java
new file mode 100644
index 0000000000..ee0bf13582
--- /dev/null
+++ b/org.eclipse.jdt.core.tests.model/src/org/eclipse/jdt/core/tests/model/JavaSearchBugs12Tests.java
@@ -0,0 +1,630 @@
+/*******************************************************************************
+ * Copyright (c) 2019 IBM Corporation and others.
+ *
+ * This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License 2.0
+ * which accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *
+ * This is an implementation of an early-draft specification developed under the Java
+ * Community Process (JCP) and is made available for testing and evaluation purposes
+ * only. The code is not compatible with any specification of the JCP.
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jdt.core.tests.model;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.jdt.core.ICompilationUnit;
+import org.eclipse.jdt.core.IJavaElement;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.IPackageFragment;
+import org.eclipse.jdt.core.IType;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.core.JavaModelException;
+import org.eclipse.jdt.core.WorkingCopyOwner;
+import org.eclipse.jdt.core.search.IJavaSearchScope;
+import org.eclipse.jdt.core.search.ReferenceMatch;
+import org.eclipse.jdt.core.search.SearchEngine;
+import org.eclipse.jdt.core.search.SearchMatch;
+import org.eclipse.jdt.core.search.TypeReferenceMatch;
+
+import junit.framework.Test;
+
+public class JavaSearchBugs12Tests extends AbstractJavaSearchTests {
+
+ static {
+// org.eclipse.jdt.internal.core.search.BasicSearchEngine.VERBOSE = true;
+// TESTS_NUMBERS = new int[] { 19 };
+// TESTS_RANGE = new int[] { 1, -1 };
+// TESTS_NAMES = new String[] {"testBug542559_001"};
+}
+
+public JavaSearchBugs12Tests(String name) {
+ super(name);
+ this.endChar = "";
+}
+public static Test suite() {
+ return buildModelTestSuite(JavaSearchBugs12Tests.class, BYTECODE_DECLARATION_ORDER);
+}
+class TestCollector extends JavaSearchResultCollector {
+ public void acceptSearchMatch(SearchMatch searchMatch) throws CoreException {
+ super.acceptSearchMatch(searchMatch);
+ }
+}
+class ReferenceCollector extends JavaSearchResultCollector {
+ protected void writeLine() throws CoreException {
+ super.writeLine();
+ ReferenceMatch refMatch = (ReferenceMatch) this.match;
+ IJavaElement localElement = refMatch.getLocalElement();
+ if (localElement != null) {
+ this.line.append("+[");
+ if (localElement.getElementType() == IJavaElement.ANNOTATION) {
+ this.line.append('@');
+ this.line.append(localElement.getElementName());
+ this.line.append(" on ");
+ this.line.append(localElement.getParent().getElementName());
+ } else {
+ this.line.append(localElement.getElementName());
+ }
+ this.line.append(']');
+ }
+ }
+
+}
+class TypeReferenceCollector extends ReferenceCollector {
+ protected void writeLine() throws CoreException {
+ super.writeLine();
+ TypeReferenceMatch typeRefMatch = (TypeReferenceMatch) this.match;
+ IJavaElement[] others = typeRefMatch.getOtherElements();
+ int length = others==null ? 0 : others.length;
+ if (length > 0) {
+ this.line.append("+[");
+ for (int i=0; i<length; i++) {
+ IJavaElement other = others[i];
+ if (i>0) this.line.append(',');
+ if (other.getElementType() == IJavaElement.ANNOTATION) {
+ this.line.append('@');
+ this.line.append(other.getElementName());
+ this.line.append(" on ");
+ this.line.append(other.getParent().getElementName());
+ } else {
+ this.line.append(other.getElementName());
+ }
+ }
+ this.line.append(']');
+ }
+ }
+}
+
+IJavaSearchScope getJavaSearchScope() {
+ return SearchEngine.createJavaSearchScope(new IJavaProject[] {getJavaProject("JavaSearchBugs")});
+}
+IJavaSearchScope getJavaSearchScopeBugs(String packageName, boolean addSubpackages) throws JavaModelException {
+ if (packageName == null) return getJavaSearchScope();
+ return getJavaSearchPackageScope("JavaSearchBugs", packageName, addSubpackages);
+}
+public ICompilationUnit getWorkingCopy(String path, String source) throws JavaModelException {
+ if (this.wcOwner == null) {
+ this.wcOwner = new WorkingCopyOwner() {};
+ }
+ return getWorkingCopy(path, source, this.wcOwner);
+}
+@Override
+public void setUpSuite() throws Exception {
+ super.setUpSuite();
+ JAVA_PROJECT = setUpJavaProject("JavaSearchBugs", "12");
+}
+public void tearDownSuite() throws Exception {
+ deleteProject("JavaSearchBugs");
+ super.tearDownSuite();
+}
+protected void setUp () throws Exception {
+ super.setUp();
+ this.resultCollector = new TestCollector();
+ this.resultCollector.showAccuracy(true);
+}
+
+public void testBug542559_001() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ " int switch_expr_field = 10;\n" +
+ " int twice(int i) {\n" +
+ " int tw = switch (i) {\n" +
+ " case 0 -> switch_expr_field * 0;\n" +
+ " case 1 -> 2;\n" +
+ " default -> 3;\n" +
+ " };\n" +
+ " return tw;\n" +
+ " }\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.print(new X().twice(3));\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("switch_expr_field", FIELD, REFERENCES);
+ assertSearchResults("src/X.java int X.twice(int) [switch_expr_field] EXACT_MATCH");
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+public void testBug542559_002() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ " int switch_expr_field = 10;\n" +
+ " int twice(int i) {\n" +
+ " int tw = switch (i) {\n" +
+ " case 0 -> switch_expr_field * 0;\n" +
+ " case 1 -> { break switch_expr_field; }\n" +
+ " default -> 3;\n" +
+ " };\n" +
+ " return tw;\n" +
+ " }\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.print(new X().twice(3));\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("switch_expr_field", FIELD, REFERENCES);
+ assertSearchResults(
+ "src/X.java int X.twice(int) [switch_expr_field] EXACT_MATCH\n" +
+ "src/X.java int X.twice(int) [switch_expr_field] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+public void testBug542559_003() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ " int switch_expr_field = 10; \n" +
+ " int twice(int i) throws Exception { \n" +
+ " int tw = switch (i) { \n" +
+ " case 0 -> { break switch_expr_field; } \n" +
+ " case 4 -> throw new MyException(); \n" +
+ " default -> 3; \n" +
+ " }; \n" +
+ " return tw; \n" +
+ " } \n" +
+ " public static void main(String[] args) {\n" +
+ " try {\n" +
+ " System.out.print(new X().twice(3));\n" +
+ " } catch (Exception e) {\n" +
+ " // TODO Auto-generated catch block\n" +
+ " e.printStackTrace();\n" +
+ " }\n" +
+ " } \n" +
+ "}\n" +
+ "class MyException extends Exception {\n" +
+ " private static final long serialVersionUID = 3461899582505930474L;\n" +
+ " \n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ IType type = this.workingCopies[0].getType("MyException");
+ search(type, REFERENCES);
+ assertSearchResults(
+ "src/X.java int X.twice(int) [MyException] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+/*
+ * java search reference for an integer in default block of switch expression
+ */
+public void testBug542559_004() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ " int switch_expr_field = 10;\n" +
+ " int twice(int i) {\n" +
+ " int tw = switch (i) {\n" +
+ " case 0 -> switch_expr_field * 0;\n" +
+ " case 1 -> 2;\n" +
+ " default ->{ \n" +
+ " switch_expr_field*9; \n" +
+ " }};\n" +
+ " return tw;\n" +
+ " }\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.print(new X().twice(3));\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("switch_expr_field", FIELD, REFERENCES);
+ assertSearchResults(
+ "src/X.java int X.twice(int) [switch_expr_field] EXACT_MATCH\n" +
+ "src/X.java int X.twice(int) [switch_expr_field] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+
+/*
+ * java search reference for an integer in default of switch expression
+ */
+public void testBug542559_005() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ " int switch_expr_field = 10;\n" +
+ " int twice(int i) {\n" +
+ " int tw = switch (i) {\n" +
+ " case 0 -> switch_expr_field * 0;\n" +
+ " case 1 -> 2;\n" +
+ " default -> switch_expr_field*9;\n" +
+ " };\n" +
+ " return tw;\n" +
+ " }\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.print(new X().twice(3));\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("switch_expr_field", FIELD, REFERENCES);
+ assertSearchResults(
+ "src/X.java int X.twice(int) [switch_expr_field] EXACT_MATCH\n" +
+ "src/X.java int X.twice(int) [switch_expr_field] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+
+/*
+ * java search reference for simple multi constant case statement for enum
+ */
+public void testBug542559_006() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ "enum Day { SATURDAY, SUNDAY, MONDAY;}\n" +
+ "public static void bar(Day day) {\n" +
+ " switch (day) {\n" +
+ " case SATURDAY, SUNDAY: \n" +
+ " System.out.println(Day.SUNDAY);\n" +
+ " break;\n" +
+ " case MONDAY : System.out.println(Day.MONDAY);\n" +
+ " break;\n" +
+ " }\n" +
+ " }" +
+ " public static void main(String[] args) {\n" +
+ " bar(Day.SATURDAY);\n" +
+ " }\n"
+ +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("SATURDAY", FIELD, REFERENCES);
+ assertSearchResults(
+ "src/X.java void X.bar(Day) [SATURDAY] EXACT_MATCH\n"+
+ "src/X.java void X.main(String[]) [SATURDAY] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+/*
+ * java search reference for simple multi constant case statement for enum, 2nd case
+ */
+public void testBug542559_007() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ "enum Day { SATURDAY, SUNDAY, MONDAY;}\n" +
+ "public static void bar(Day day) {\n" +
+ " switch (day) {\n" +
+ " case SATURDAY, SUNDAY: \n" +
+ " System.out.println(Day.SUNDAY);\n" +
+ " break;\n" +
+ " case MONDAY : System.out.println(Day.MONDAY);\n" +
+ " break;\n" +
+ " }\n" +
+ " }" +
+ " public static void main(String[] args) {\n" +
+ " bar(Day.SATURDAY);\n" +
+ " }\n"
+ +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("SUNDAY", FIELD, REFERENCES);
+ assertSearchResults(
+ "src/X.java void X.bar(Day) [SUNDAY] EXACT_MATCH\n"+
+ "src/X.java void X.bar(Day) [SUNDAY] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+
+/*
+ * java search reference for class file reference in switch expression
+ */
+public void testBug542559_008() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X2.java",
+ "public class X2 {\n" +
+ " String s = new String(); \n" +
+ " int switch_expr_field = 10;\n" +
+ " int twice(int i) {\n" +
+ " int tw = switch (i) {\n" +
+ " case 0 -> switch_expr_field * 0;\n" +
+ " case 1 -> 2;\n" +
+ " default -> new X2().toString().length();\n" +
+ " };\n" +
+ " return tw;\n" +
+ " }\n" +
+ " public static void main(String... args) {\n" +
+ " System.out.print(new X2().twice(3));\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("X2", CLASS, REFERENCES);
+ assertSearchResults(
+ "src/X2.java int X2.twice(int) [X2] EXACT_MATCH\n"+
+ "src/X2.java void X2.main(String ...) [X2] EXACT_MATCH");
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+
+/*
+ * java search reference for class file reference in case and default blocks
+ */
+public void testBug542559_009() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ " Integer abcd\n" +
+ " public static int foo(int i) {\n" +
+ " final int k;\n" +
+ "\n" +
+ " int it = switch (i) { \n" +
+ " case 1 -> {\n" +
+ " k = 1;\n" +
+ " abcd.toString();\n" +
+ " break k ;\n" +
+ " }\n" +
+ " case 2 -> {\n" +
+ " abcd.toString();\n" +
+ " break k ;\n" +
+ " }\n" +
+ " default -> {\n" +
+ " k = 3;\n" +
+ " abcd.toString();\n" +
+ " break k;\n" +
+ " }\n" +
+ " };\n" +
+ " return k;\n" +
+ " }\n" +
+ "\n" +
+ " public boolean bar() {\n" +
+ " return true;\n" +
+ " }\n" +
+ " public static void main(String[] args) {\n" +
+ " System.out.println(foo(3));\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("abcd", FIELD, REFERENCES);
+ assertSearchResults(
+ "src/X.java int X.foo(int) [abcd] EXACT_MATCH\n" +
+ "src/X.java int X.foo(int) [abcd] EXACT_MATCH\n" +
+ "src/X.java int X.foo(int) [abcd] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+
+/*
+ * java search reference for string constant in switch expression and switch statement
+ */
+public void testBug542559_0010() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "public class X {\n" +
+ " static final String MONDAY = \"MONDAY\";\n" +
+ " static final String TUESDAY = \"TUESDAY\";\n" +
+ " static final String WEDNESDAY = \"WEDNESDAY\";\n" +
+ " static final String THURSDAY = \"THURSDAY\";\n" +
+ " static final String FRIDAY = \"FRIDAY\";\n" +
+ " static final String SATURDAY = \"SATURDAY\";\n" +
+ " static final String SUNDAY = \"SUNDAY\"; \n" +
+ " @SuppressWarnings(\"preview\")\n" +
+ " public static void main(String[] args) {\n" +
+ " String day = \"MONDAY\";\n" +
+ " switch (day) {\n" +
+ " case MONDAY, FRIDAY, SUNDAY -> System.out.println(6);\n" +
+ " case TUESDAY -> System.out.println(7);\n" +
+ " case THURSDAY, SATURDAY -> System.out.println(8);\n" +
+ " case WEDNESDAY -> System.out.println(9);\n" +
+ " }\n" +
+ " int k = switch (day) {\n" +
+ " case SATURDAY -> throw new NullPointerException();\n" +
+ " case TUESDAY -> 1;\n" +
+ " case WEDNESDAY -> {break 10;}\n" +
+ " default -> {\n" +
+ " int g = day.h();\n" +
+ " int result = f(g);\n" +
+ " break result;\n" +
+ " }};\n" +
+ " }\n" +
+ " static int f(int k) {\n" +
+ " return k*k;\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject(); //assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("SATURDAY", FIELD, REFERENCES);
+ assertSearchResults(
+ "src/X.java void X.main(String[]) [SATURDAY] EXACT_MATCH\n" +
+ "src/X.java void X.main(String[]) [SATURDAY] EXACT_MATCH"
+ );
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+/*
+ * java search a javatype reference from another java project if that is in switch expression
+ */
+public void testBug542559_0011() throws CoreException {
+ try {
+
+ IJavaProject project1 = createJavaProject("JavaSearchBugs12", new String[] {"src"}, new String[] {"JCL12_LIB"}, "bin", "12");
+ project1.open(null);
+ createFolder("/JavaSearchBugs12/src/pack1");
+ createFile("/JavaSearchBugs12/src/pack1/X11.java",
+ "package pack1;\n" +
+ "public class X11 { \n" +
+ " static final String MONDAY = \"MONDAY\";\n" +
+ " static final String TUESDAY = \"TUESDAY\";\n" +
+ " static final String WEDNESDAY = \"WEDNESDAY\";\n" +
+ " static final String THURSDAY = \"THURSDAY\";\n" +
+ " static final String FRIDAY = \"FRIDAY\";\n" +
+ " static final String SATURDAY = \"SATURDAY\";\n" +
+ " static final String SUNDAY = \"SUNDAY\"; \n" +
+ " @SuppressWarnings(\"preview\")\n" +
+ " public static void main(String[] args) {\n" +
+ " String day = \"MONDAY\";\n" +
+ " switch (day) {\n" +
+ " case MONDAY, FRIDAY, SUNDAY -> System.out.println(6);\n" +
+ " case TUESDAY -> System.out.println(7);\n" +
+ " case THURSDAY, SATURDAY -> System.out.println(8);\n" +
+ " case WEDNESDAY -> System.out.println(9);\n" +
+ " }\n" +
+ " int k = switch (day) {\n" +
+ " case SATURDAY -> throw new NullPointerException();\n" +
+ " case TUESDAY -> 1;\n" +
+ " case WEDNESDAY -> {break 10;}\n" +
+ " default -> {\n" +
+ " pack2.X22.a2=99;\n" +
+ " int result = f(g);\n" +
+ " break result;\n" +
+ " }};\n" +
+ " }\n" +
+ " static int f(int k) {\n" +
+ " return k*k;\n" +
+ " }\n" +
+ "}\n");
+
+ IJavaProject project2 = createJavaProject("second", new String[] {"src"},new String[] {"JCL12_LIB"}, "bin", "12");
+ project2.open(null);
+ createFolder("/second/src/pack2");
+ createFile("/second/src/pack2/X22.java",
+ "package pack2;\n" +
+ "public class X22 {public static int a2=9;}\n");
+ addClasspathEntry(project1, JavaCore.newProjectEntry(project2.getPath()));
+ project1.close(); // sync
+ project2.close();
+ project2.open(null);
+ project1.open(null);
+ IPackageFragment pkg = getPackageFragment("second", "src", "pack2");
+
+ IJavaSearchScope scope = SearchEngine.createJavaSearchScope(new IJavaProject[]
+ {getJavaProject("JavaSearchBugs12")});
+
+ search(
+ pkg,
+ ALL_OCCURRENCES,
+ scope,
+ this.resultCollector);
+ String exp = "src/pack1/X11.java void pack1.X11.main(String[]) [pack2] EXACT_MATCH\n"
+ +"src/pack2 pack2 EXACT_MATCH";
+ assertSearchResults(
+ exp,
+ this.resultCollector);
+
+ }
+ finally {
+ deleteProject("JavaSearchBugs12");
+ deleteProject("second");
+ }
+
+}
+/*
+ * java search a method reference in switch expression
+ */
+public void testBug542559_0012() throws CoreException {
+ this.workingCopies = new ICompilationUnit[1];
+ this.workingCopies[0] = getWorkingCopy("/JavaSearchBugs/src/X.java",
+ "import java.util.function.Supplier;\n" +
+ "interface I0 { void i(); }\n" +
+ "interface I1 extends I0 {}\n" +
+ "interface I2 extends I0 {}\n" +
+ "public class X {\n" +
+ " I1 n1() { return null; }\n" +
+ " <I extends I2> I n2() { return null; }\n" +
+ " <M> M m(Supplier<M> m) { return m.get(); }\n" +
+ " void test(int i, boolean b) {\n" +
+ " m(switch (i) {\n" +
+ " case 1 -> this::n1;\n" +
+ " default -> this::n2;\n" +
+ " }).i(); \n" +
+ " }\n" +
+ " public static void main(String[] args) {\n" +
+ " try {\n" +
+ " new X().test(1, true);\n" +
+ " } catch (NullPointerException e) {\n" +
+ " System.out.println(\"NPE as expected\");\n" +
+ " }\n" +
+ " }\n" +
+ "}\n"
+ );
+ IJavaProject javaProject = this.workingCopies[0].getJavaProject();//assuming single project for all working copies
+ String old = javaProject.getOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, true);
+ try {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, JavaCore.ENABLED);
+ search("n1", METHOD, REFERENCES);
+ assertSearchResults("src/X.java void X.test(int, boolean) [n1] EXACT_MATCH");
+ } finally {
+ javaProject.setOption(JavaCore.COMPILER_PB_ENABLE_PREVIEW_FEATURES, old);
+ }
+}
+
+} \ No newline at end of file

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