jdk-24/test/hotspot/jtreg/compiler/ciReplay/TestLambdas.java
Coleen Phillimore e7795851d2 8271707: migrate tests to use jdk.test.whitebox.WhiteBox
Reviewed-by: lmesnik, dholmes
2022-07-08 15:55:14 +00:00

83 lines
2.7 KiB
Java

/*
* Copyright (c) 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 8275670
* @library / /test/lib
* @summary testing of ciReplay with nested BoundMethodHandles
* @requires vm.flightRecorder != true & vm.compMode != "Xint" & vm.debug == true & vm.compiler2.enabled
* @modules java.base/jdk.internal.misc
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* compiler.ciReplay.TestLambdas
*/
package compiler.ciReplay;
public class TestLambdas extends CiReplayBase {
public static void main(String args[]) {
new TestLambdas().runTest(false, TIERED_DISABLED_VM_OPTION);
}
@Override
public void testAction() {
positiveTest(TIERED_DISABLED_VM_OPTION);
}
@Override
public String getTestClass() {
return Test.class.getName();
}
}
class Test {
public static void main(String[] args) {
for (int i = 0; i < 20_000; i++) {
test(i);
}
}
static void test(int i) {
concat_lambdas();
}
// Create nested BoundMethodHandle using StringConcatHelper
static boolean concat_lambdas() {
String source = "0123456789abcdefgABCDEFG";
String result = "";
int max = 10;
for (int cp = 0; cp < max; ++cp) {
String regex = new String(Character.toChars(cp));
result = source.substring(0, 3) + regex
+ source.substring(3, 9) + regex
+ source.substring(9, 15) + regex
+ source.substring(15);
}
return result.equals("xyzzy");
}
}