908aca29ca
Co-authored-by: Brian Goetz <briangoetz@openjdk.org> Co-authored-by: Mandy Chung <mchung@openjdk.org> Co-authored-by: Jan Lahoda <jlahoda@openjdk.org> Reviewed-by: mcimadamore, forax, godin, psandoz, mchung
71 lines
2.5 KiB
Java
71 lines
2.5 KiB
Java
/*
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* Copyright (c) 2021, 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 8262891
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* @summary Verify StackMapTable is sensible for simple ordinary switches
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* @library /tools/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.jdeps/com.sun.tools.javap
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* @build toolbox.ToolBox toolbox.JavapTask
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* @run compile OrdinarySwitchStackMapTest.java
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* @run main OrdinarySwitchStackMapTest
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*/
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import toolbox.JavapTask;
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import toolbox.Task;
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import toolbox.ToolBox;
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public class OrdinarySwitchStackMapTest {
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class Test {
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void method0(int i) throws Exception {
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switch (i) {
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case 0: System.err.println(0); break;
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case 1: System.err.println(1); break;
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default: System.err.println(2); break;
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}
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}
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}
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public static void main(String args[]) throws Exception {
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ToolBox tb = new ToolBox();
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Path pathToClass = Paths.get(ToolBox.testClasses, "OrdinarySwitchStackMapTest$Test.class");
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String javapOut = new JavapTask(tb)
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.options("-v")
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.classes(pathToClass.toString())
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.run()
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.getOutput(Task.OutputKind.DIRECT);
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if (!javapOut.contains("StackMapTable: number_of_entries = 4"))
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throw new AssertionError("The number of entries of the stack map "
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+ "table should be equal to 4");
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}
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}
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