jdk/test/hotspot/jtreg/runtime/cds/appcds/aotClassLinking/NonFinalStaticWithInitVal.java
2025-06-09 21:54:55 +00:00

78 lines
2.9 KiB
Java

/*
* Copyright (c) 2025, 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
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*
* 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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/*
* @test
* @summary Handling of non-final static string that has an initial value
* @bug 8356125
* @requires vm.cds.supports.aot.class.linking
* @library /test/lib
* @build NonFinalStaticWithInitVal_Helper
* @build NonFinalStaticWithInitVal
* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar app.jar MyTestApp NonFinalStaticWithInitVal_Helper
* @run driver NonFinalStaticWithInitVal AOT
*/
import jdk.test.lib.cds.SimpleCDSAppTester;
import jdk.test.lib.helpers.ClassFileInstaller;
import jdk.test.lib.process.OutputAnalyzer;
public class NonFinalStaticWithInitVal {
static final String appJar = ClassFileInstaller.getJarPath("app.jar");
static final String mainClass = "MyTestApp";
public static void main(String[] args) throws Exception {
for (int i = 0; i < 2; i++) {
SimpleCDSAppTester.of("NonFinalStaticWithInitVal")
.addVmArgs("-XX:" + (i == 0 ? "-" : "+") + "AOTClassLinking",
"-Xlog:cds")
.classpath("app.jar")
.appCommandLine("MyTestApp")
.setProductionChecker((OutputAnalyzer out) -> {
out.shouldContain("field = Dummy 12345678");
})
.runStaticWorkflow()
.runAOTWorkflow();
}
}
}
class MyTestApp {
volatile static int x = 0;
public static void main(String args[]) throws Exception {
StringBuilder sb = new StringBuilder();
sb.append("Dummy ");
sb.append("1234567");
sb.append(8 + x);
String myValue = sb.toString().intern();
String theirValue = NonFinalStaticWithInitVal_Helper.foo;
System.out.println("field = " + theirValue);
if (myValue != theirValue) {
// String literals from different class files must be interned.
throw new RuntimeException("Interned strings do not match");
}
}
}