125 lines
4.8 KiB
Java
125 lines
4.8 KiB
Java
/*
|
|
* Copyright (c) 2015, 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.
|
|
*/
|
|
|
|
import org.testng.annotations.DataProvider;
|
|
import org.testng.annotations.Test;
|
|
|
|
import java.util.regex.Pattern;
|
|
|
|
import jdk.test.lib.process.OutputAnalyzer;
|
|
import jdk.test.lib.dcmd.CommandExecutor;
|
|
import jdk.test.lib.dcmd.JMXExecutor;
|
|
|
|
/*
|
|
* @test
|
|
* @summary Test of diagnostic command GC.class_histogram
|
|
* @library /test/lib
|
|
* @modules java.base/jdk.internal.misc
|
|
* java.compiler
|
|
* java.management
|
|
* jdk.internal.jvmstat/sun.jvmstat.monitor
|
|
* @run testng ClassHistogramTest
|
|
*/
|
|
public class ClassHistogramTest {
|
|
public static class TestClass {}
|
|
public static TestClass[] instances = new TestClass[1024];
|
|
|
|
static {
|
|
for (int i = 0; i < instances.length; ++i) {
|
|
instances[i] = new TestClass();
|
|
}
|
|
}
|
|
|
|
public void run(CommandExecutor executor, String classHistogramArgs, String expactedErrMsg) {
|
|
OutputAnalyzer output = executor.execute("GC.class_histogram " + classHistogramArgs);
|
|
if (!expactedErrMsg.isEmpty()) {
|
|
output.shouldMatch(expactedErrMsg);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* example output:
|
|
* num #instances #bytes class name (module)
|
|
* -------------------------------------------------------
|
|
* 1: 7991 757792 [B (java.base@9-internal)
|
|
* 2: 1811 217872 java.lang.Class (java.base@9-internal)
|
|
* 3: 6724 215168 java.util.HashMap$Node (java.base@9-internal)
|
|
* 4: 7852 188448 java.lang.String (java.base@9-internal)
|
|
* 5: 1378 105040 [Ljava.util.HashMap$Node; (java.base@9-internal)
|
|
* 6: 1863 95096 [Ljava.lang.Object; (java.base@9-internal)
|
|
|
|
* ...
|
|
*/
|
|
|
|
String moduleRegex = "\\(java.base(?:@\\S*)?\\)";
|
|
|
|
/* Require at least one java.lang.Class */
|
|
output.shouldMatch("^\\s+\\d+:\\s+\\d+\\s+\\d+\\s+java.lang.Class " + moduleRegex + "\\s*$");
|
|
|
|
/* Require at least one java.lang.String */
|
|
output.shouldMatch("^\\s+\\d+:\\s+\\d+\\s+\\d+\\s+java.lang.String " + moduleRegex + "\\s*$");
|
|
|
|
/* Require at least one java.lang.Object */
|
|
output.shouldMatch("^\\s+\\d+:\\s+\\d+\\s+\\d+\\s+java.lang.Object " + moduleRegex + "\\s*$");
|
|
|
|
/* Require at exactly one TestClass[] */
|
|
output.shouldMatch("^\\s+\\d+:\\s+1\\s+\\d+\\s+" +
|
|
Pattern.quote(TestClass[].class.getName()) + "\\s*$");
|
|
|
|
/* Require at exactly 1024 TestClass */
|
|
output.shouldMatch("^\\s+\\d+:\\s+1024\\s+\\d+\\s+" +
|
|
Pattern.quote(TestClass.class.getName()) + "\\s*$");
|
|
}
|
|
|
|
@DataProvider(name="ArgsProvider")
|
|
private Object[][] getArgs() {
|
|
String parallelErr = "Parallel thread number out of range";
|
|
return new Object[][] {
|
|
// valid args
|
|
{"", ""},
|
|
{"-parallel=0", ""},
|
|
{"-parallel=1", ""},
|
|
{"-parallel=2", ""},
|
|
{"-parallel="+Long.MAX_VALUE, ""},
|
|
{"-all=false -parallel=0", ""},
|
|
{"-all=false -parallel=1", ""},
|
|
{"-all=false -parallel=2", ""},
|
|
{"-all=true", ""},
|
|
{"-all=true -parallel=0", ""},
|
|
{"-all=true -parallel=1", ""},
|
|
{"-all=true -parallel=2", ""},
|
|
{"-parallel=2 -all=true", ""},
|
|
// invalid args
|
|
{"-parallel=-1", parallelErr},
|
|
{"-parallel="+Long.MIN_VALUE, parallelErr},
|
|
{"-all=false -parallel=-10", parallelErr},
|
|
{"-all=true -parallel=-100", parallelErr},
|
|
};
|
|
}
|
|
|
|
@Test(dataProvider="ArgsProvider")
|
|
public void jmx(String args, String expactedErrMsg) {
|
|
run(new JMXExecutor(), args, expactedErrMsg);
|
|
}
|
|
}
|