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/*******************************************************************************
* Copyright (c) 2018 Jesper Steen Møller 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
*
* Contributors:
* Jesper Steen Møller - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.core.tests.compiler.regression;
import java.io.IOException;
import org.eclipse.jdt.core.tests.util.CompilerTestSetup;
import org.eclipse.jdt.internal.compiler.classfmt.ClassFileConstants;
import junit.framework.Test;
@SuppressWarnings({ "rawtypes" })
public class JEP286ReservedWordTest extends AbstractRegressionTest {
public static Class testClass() {
return JEP286ReservedWordTest.class;
}
public void initialize(CompilerTestSetup setUp) {
super.initialize(setUp);
}
public static Test suite() {
return buildMinimalComplianceTestSuite(testClass(), F_1_8);
}
public JEP286ReservedWordTest(String testName){
super(testName);
}
public void test0001_class_var_warning() throws IOException {
String classVar =
" public class var { public int a; };\n";
String classX =
"public class X {\n" +
classVar +
" +\n" +
"}\n";
String errorTail =
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" +\n" +
" ^\n" +
"Syntax error on token \"+\", delete this token\n" +
"----------\n";
if (Long.compare(this.complianceLevel, ClassFileConstants.JDK10) >= 0) {
this.runNegativeTest(
new String[] {
"X.java",
classX
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
classVar +
" ^^^\n" +
"'var' is not a valid type name\n" +
errorTail);
} else {
this.runNegativeTest(
new String[] {
"X.java",
classX
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
classVar +
" ^^^\n" +
"'var' should not be used as an type name, since it is a reserved word from source level 10 on\n" +
errorTail);
}
}
public void test0002_interface_var_warning() throws IOException {
String interfaceVar =
" interface var { };\n";
String classX =
"public class X {\n" +
interfaceVar +
" +\n" +
"}\n";
String errorTail =
"----------\n" +
"2. ERROR in X.java (at line 3)\n" +
" +\n" +
" ^\n" +
"Syntax error on token \"+\", delete this token\n" +
"----------\n";
if (Long.compare(this.complianceLevel, ClassFileConstants.JDK10) >= 0) {
this.runNegativeTest(
new String[] {
"X.java",
classX
},
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
interfaceVar +
" ^^^\n" +
"'var' is not a valid type name\n" +
errorTail);
} else {
this.runNegativeTest(
new String[] {
"X.java",
classX
},
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
interfaceVar +
" ^^^\n" +
"'var' should not be used as an type name, since it is a reserved word from source level 10 on\n" +
errorTail);
}
}
public void testBug530920() throws IOException {
String classX = "public class X<var extends Number> { }\n";
this.runNegativeTest(
new String[] {
"X.java",
classX
},
Long.compare(this.complianceLevel, ClassFileConstants.JDK10) >= 0 ?
"----------\n" +
"1. ERROR in X.java (at line 1)\n" +
" public class X<var extends Number> { }\n" +
" ^^^\n" +
"'var' is not allowed here\n"
:
"----------\n" +
"1. WARNING in X.java (at line 1)\n" +
" public class X<var extends Number> { }\n" +
" ^^^\n" +
"'var' should not be used as an type name, since it is a reserved word from source level 10 on\n"
);
}
public void testBug530920a() throws IOException {
this.runNegativeTest(
new String[] {
"X.java",
"public class X {\n" +
" <var extends Number> var getNumber() {\n" +
" return null;\n" +
" }\n" +
"}"
},
Long.compare(this.complianceLevel, ClassFileConstants.JDK10) >= 0 ?
"----------\n" +
"1. ERROR in X.java (at line 2)\n" +
" <var extends Number> var getNumber() {\n" +
" ^^^\n" +
"'var' is not allowed here\n"
:
"----------\n" +
"1. WARNING in X.java (at line 2)\n" +
" <var extends Number> var getNumber() {\n" +
" ^^^\n" +
"'var' should not be used as an type name, since it is a reserved word from source level 10 on\n"
);
}
}
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