92 lines
3.6 KiB
Java
92 lines
3.6 KiB
Java
/*
|
|
* Copyright (c) 2017, 2021, 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 8193222
|
|
* @summary Check EnsureLocalCapacity doesn't shrink unexpectedly
|
|
* @library /test/lib
|
|
* @run main/native TestCheckedEnsureLocalCapacity launch
|
|
*/
|
|
import jdk.test.lib.Utils;
|
|
import jdk.test.lib.process.ProcessTools;
|
|
import jdk.test.lib.process.OutputAnalyzer;
|
|
|
|
public class TestCheckedEnsureLocalCapacity {
|
|
|
|
static {
|
|
System.loadLibrary("TestCheckedEnsureLocalCapacity");
|
|
}
|
|
|
|
// Calls EnsureLocalCapacity(capacity) and then creates "copies" number
|
|
// of LocalRefs to "o".
|
|
// If capacity > copies no warning should ensue (with the bug fixed).
|
|
// If copies > capacity + warning-threshold then we still get a warning.
|
|
private static native void ensureCapacity(Object o, int capacity, int copies);
|
|
|
|
private static int[][] testArgs = {
|
|
{ 60, 45 }, // good: capacity > copies
|
|
{ 1, 45 } // bad: copies >> capacity
|
|
};
|
|
|
|
// Patterns EXCEED_WARNING and WARNING are not anchored to the beginning
|
|
// of lines to allow matching interleaved output.
|
|
|
|
private static final String EXCEED_WARNING =
|
|
"WARNING: JNI local refs: \\d++, exceeds capacity:";
|
|
|
|
private static final String WARNING = "WARNING:";
|
|
|
|
public static void main(String[] args) throws Throwable {
|
|
if (args.length == 2) {
|
|
ensureCapacity(new Object(),
|
|
Integer.parseInt(args[0]),
|
|
Integer.parseInt(args[1]));
|
|
return;
|
|
}
|
|
|
|
// No warning
|
|
ProcessTools.executeTestJvm("-Xcheck:jni",
|
|
"-Djava.library.path=" + Utils.TEST_NATIVE_PATH,
|
|
"TestCheckedEnsureLocalCapacity",
|
|
Integer.toString(testArgs[0][0]),
|
|
Integer.toString(testArgs[0][1])).
|
|
shouldHaveExitValue(0).
|
|
// check no capacity warning
|
|
stdoutShouldNotMatch(EXCEED_WARNING).
|
|
// check no other warning
|
|
stdoutShouldNotMatch(WARNING).
|
|
reportDiagnosticSummary();
|
|
|
|
// Warning
|
|
ProcessTools.executeTestJvm("-Xcheck:jni",
|
|
"-Djava.library.path=" + Utils.TEST_NATIVE_PATH,
|
|
"TestCheckedEnsureLocalCapacity",
|
|
Integer.toString(testArgs[1][0]),
|
|
Integer.toString(testArgs[1][1])).
|
|
shouldHaveExitValue(0).
|
|
// check for capacity warning
|
|
stdoutShouldMatch(EXCEED_WARNING).
|
|
reportDiagnosticSummary();
|
|
}
|
|
}
|