/*
* Copyright ( c ) 2019 , 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 .
*
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*/
package gc.arguments;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;
/**
* Helper class for adding options to child processes that should be
* used by all of the argument tests in this package . The default
* options are added at the front , to allow them to be overridden by
* explicit options from any particular test .
*/
public final class GCArguments {
// Avoid excessive execution time.
static private void disableZapUnusedHeapArea(List<String> arguments) {
// Develop option, only available in debug builds.
if (Platform.isDebugBuild()) {
arguments.add("-XX:-ZapUnusedHeapArea" );
}
}
// Avoid excessive execution time.
static private void disableVerifyBeforeExit(List<String> arguments) {
// Diagnostic option, default enabled in debug builds.
if (Platform.isDebugBuild()) {
arguments.add("-XX:-VerifyBeforeExit" );
}
}
static private void addDefaults(List<String> arguments) {
disableZapUnusedHeapArea(arguments);
disableVerifyBeforeExit(arguments);
}
static private String[] withDefaults(String[] arguments) {
List<String> augmented = new ArrayList<String>();
addDefaults(augmented);
Collections.addAll(augmented, arguments);
return augmented.toArray(new String[augmented.size()]);
}
static public ProcessBuilder createJavaProcessBuilder(List<String> arguments) {
return createJavaProcessBuilder(arguments.toArray(String[]::new ));
}
static public ProcessBuilder createJavaProcessBuilder(String... arguments) {
return ProcessTools.createJavaProcessBuilder(withDefaults(arguments));
}
static public ProcessBuilder createTestJvm(List<String> arguments) {
return createTestJvm(arguments.toArray(String[]::new ));
}
static public ProcessBuilder createTestJvm(String... arguments) {
return ProcessTools.createTestJvm(withDefaults(arguments));
}
}
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