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/*
* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2024, Red Hat Inc.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.File;
import java.util.ArrayList;
/**
* @test
* @bug 8329581
* @summary verifies launcher prints stack trace when main class can't be loaded
* @compile LauncherExceptionTest.java
* @run main LauncherExceptionTest
*/
public class LauncherExceptionTest extends TestHelper {
@Test
void testLauncherReportsException() throws Exception {
if (!isEnglishLocale()) {
return;
}
File cwd = new File(".");
File srcDir = new File(cwd, "src");
if (srcDir.exists()) {
recursiveDelete(srcDir);
}
srcDir.mkdirs();
// Generate class Test.java
ArrayList<String> scratchPad = new ArrayList<>();
scratchPad.add("public class Test {");
scratchPad.add(" static class SomeDependency {}");
scratchPad.add(" private static final SomeDependency X = new SomeDependency();");
scratchPad.add(" public static void main(String... args) {");
scratchPad.add(" System.out.println(\"X=\" + X);");
scratchPad.add(" }");
scratchPad.add("}");
createFile(new File(srcDir, "Test.java"), scratchPad);
// Compile and execute Test should succeed
TestResult trCompilation = doExec(javacCmd,
"-d", "classes",
new File(srcDir, "Test.java").toString());
if (!trCompilation.isOK()) {
System.err.println(trCompilation);
throw new RuntimeException("Error: compiling");
}
TestResult trExecution = doExec(javaCmd, "-cp", "classes", "Test");
if (!trExecution.isOK()) {
System.err.println(trExecution);
throw new RuntimeException("Error: executing");
}
// Delete dependency
File dependency = new File("classes/Test$SomeDependency.class");
recursiveDelete(dependency);
// Executing Test should report exception description
trExecution = doExec(javaCmd, "-cp", "classes", "Test");
trExecution.contains("Exception in thread \"main\" java.lang.NoClassDefFoundError: " +
"Test$SomeDependency");
trExecution.contains("Caused by: java.lang.ClassNotFoundException: " +
"Test$SomeDependency");
if (!trExecution.testStatus)
System.err.println(trExecution);
}
public static void main(String[] args) throws Exception {
LauncherExceptionTest a = new LauncherExceptionTest();
a.run(args);
if (testExitValue > 0) {
System.out.println("Total of " + testExitValue + " failed");
throw new RuntimeException("Test failed");
} else {
System.out.println("Test passed");
}
}
}
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