/* * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved. * 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.
*/
/** * @test * @bug 4238644 4238643 4238641 4944198 8181500 * @summary Test javac regressions in the generation of line number info * @author Gordon Hirsch * * @run build TestScaffold VMConnection TargetListener TargetAdapter * @run compile -XDstringConcat=inline -g LineNumberInfo.java ControlFlow.java * * @run driver LineNumberInfo
*/ import com.sun.jdi.*; import com.sun.jdi.event.*; import com.sun.jdi.request.*;
import java.util.List; import java.util.Iterator;
publicclass LineNumberInfo extends TestScaffold { /* * These two arrays are used to validate the line number * information returned by JDI. There are limitations to * this approach: * - there are no strict rules about * what constitutes the "right" line number mapping, so * this kind of test may have false negatives with other * compilers. * - this test is also sensitive to the compiler's code generation; * if that changes, this test will likely need updating. * - this test assumes that JDI code index == class file * byte code index which may not be true in all VMs. * - To find the values for these tables, compile ControlFlow.java and then * do: * javap -classpath _jj1.solaris-sparc/JTwork/classes/com/sun/jdi \ * -l ControlFlow
*/ finalint[] lineNumbers = {
15,
16,
19,
20,
22,
25,
26,
28,
32,
33,
34,
36,
37,
36,
37,
40,
41,
42,
45,
46,
45,
49,
51,
53,
55,
57,
59,
60,
62,
65,
67,
69,
71,
73,
75,
78
};
if (lineNumbers.length != codeIndices.length) {
failure("FAILED: Bad test. Line number and code index arrays " + "must be equal in size");
}
if (locations.size() != codeIndices.length) { // Help the tester see why it failed.
Iterator iter = locations.iterator(); while (iter.hasNext()) {
Location location = (Location)iter.next();
System.err.println("location=" + location);
}
failure("FAILED: Bad line number table size: jdi=" +
locations.size() + ", test=" + codeIndices.length);
}
int i = 0;
Iterator iter = locations.iterator(); while (iter.hasNext()) {
Location location = (Location)iter.next(); if (location.codeIndex() != codeIndices[i]) {
failure("FAILED: Code index mismatch: jdi=" +
location.codeIndex() + ", test=" + codeIndices[i]);
} if (location.lineNumber() != lineNumbers[i]) {
failure("FAILED: Line number mismatch: jdi=" +
location.lineNumber() + ", test=" + lineNumbers[i]);
}
i++;
}
// Allow application to complete
listenUntilVMDisconnect();
/* * deal with results of test * if anything has called failure("foo") testFailed will be true
*/ if (!testFailed) {
println("LineNumberInfo: passed");
} else { thrownew Exception("LineNumberInfo: failed");
}
}
}
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