119 lines
4.4 KiB
Java
119 lines
4.4 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8202141
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* @summary Verify that .class synthetic Symbols are not duplicated.
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* @library /tools/javac/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.code
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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* @build combo.ComboTestHelper
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* @run main ClassFieldDeduplication
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*/
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import com.sun.source.util.TaskEvent;
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import com.sun.source.util.TaskListener;
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import com.sun.tools.javac.code.Symbol;
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import com.sun.tools.javac.tree.JCTree.JCCompilationUnit;
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import com.sun.tools.javac.tree.JCTree.JCFieldAccess;
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import com.sun.tools.javac.tree.TreeScanner;
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import combo.ComboInstance;
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import combo.ComboParameter;
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import combo.ComboTestHelper;
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public class ClassFieldDeduplication extends ComboInstance<ClassFieldDeduplication> {
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enum Type implements ComboParameter {
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OBJECT("Object"),
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PRIMITIVE("int"),
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BOXED_PRIMITIVE("Integer"),
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VOID("void"),
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BOXED_VOID("Void"),
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OBJECT_ARRAY("Object[]"),
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PRIMITIVE_ARRAY("int[]"),
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BOXED_PRIMITIVE_ARRAY("Integer[]"),
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BOXED_VOID_ARRAY("Void[]");
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String type;
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Type(String type) {
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this.type = type;
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}
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@Override
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public String expand(String optParameter) {
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return type;
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}
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}
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public static void main(String... args) throws Exception {
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new ComboTestHelper<ClassFieldDeduplication>()
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.withDimension("TYPE", Type.values())
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.run(ClassFieldDeduplication::new);
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}
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private static final String TEMPLATE =
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"class Test { void t() { Object o1 = #{TYPE}.class; Object o2 = #{TYPE}.class; } }";
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@Override
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protected void doWork() throws Throwable {
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newCompilationTask()
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.withSourceFromTemplate(TEMPLATE)
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.withListener(new TaskListener() {
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JCCompilationUnit cut;
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@Override
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public void finished(TaskEvent e) {
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if (e.getKind() == TaskEvent.Kind.PARSE) {
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if (cut != null)
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throw new AssertionError();
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cut = (JCCompilationUnit) e.getCompilationUnit();
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}
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if (e.getKind() == TaskEvent.Kind.ANALYZE) {
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cut.accept(new TreeScanner() {
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Symbol s;
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@Override
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public void visitSelect(JCFieldAccess tree) {
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if (tree.name.contentEquals("class")) {
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if (s == null) {
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s = tree.sym;
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} else if (s != tree.sym) {
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throw new AssertionError("Duplicated field symbol.");
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}
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}
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super.visitSelect(tree);
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}
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});
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}
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}
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})
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.analyze(els -> {});
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}
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}
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