104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
/*
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* Copyright (c) 2010, 2015, 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 6993301
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* @summary catch parameters do not have correct kind (i.e. ElementKind.EXCEPTION_PARAMETER)
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* @modules jdk.compiler/com.sun.tools.javac.api
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*/
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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.tree.IdentifierTree;
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import com.sun.source.tree.VariableTree;
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import com.sun.source.util.TreePathScanner;
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import com.sun.source.util.Trees;
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import com.sun.tools.javac.api.JavacTaskImpl;
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import java.io.IOException;
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import java.net.URI;
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import java.util.Arrays;
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import javax.lang.model.element.Element;
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import javax.lang.model.element.ElementKind;
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import javax.tools.JavaCompiler;
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import javax.tools.JavaFileObject;
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import javax.tools.SimpleJavaFileObject;
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import javax.tools.ToolProvider;
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/**
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* @author Jan Lahoda
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*/
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public class T6993301 {
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public static void main(String... args) throws Exception {
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new T6993301().testExceptionParameterCorrectKind();
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}
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static class MyFileObject extends SimpleJavaFileObject {
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private String text;
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public MyFileObject(String text) {
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super(URI.create("myfo:/Test.java"), JavaFileObject.Kind.SOURCE);
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this.text = text;
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}
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@Override
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public CharSequence getCharContent(boolean ignoreEncodingErrors) {
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return text;
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}
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}
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public void testExceptionParameterCorrectKind() throws IOException {
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final JavaCompiler tool = ToolProvider.getSystemJavaCompiler();
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assert tool != null;
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String code = "package test; public class Test { { try { } catch (NullPointerException ex) {} } }";
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final JavacTaskImpl ct = (JavacTaskImpl)tool.getTask(null, null, null,
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null, null, Arrays.asList(new MyFileObject(code)));
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CompilationUnitTree cut = ct.parse().iterator().next();
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ct.analyze();
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new TreePathScanner<Void, Void>() {
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@Override
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public Void visitVariable(VariableTree node, Void p) {
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Element el = Trees.instance(ct).getElement(getCurrentPath());
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assertNotNull(el);
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assertEquals(ElementKind.EXCEPTION_PARAMETER, el.getKind());
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return super.visitVariable(node, p);
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}
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}.scan(cut, null);
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}
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private void assertNotNull(Object o) {
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if (o == null)
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throw new AssertionError();
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}
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private <T> void assertEquals(T expected, T actual) {
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if (expected == null ? actual == null : expected.equals(actual))
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return;
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throw new AssertionError("expected: " + expected + ", actual: " + actual);
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}
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}
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