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24 
25 /*
26  * @test
27  * @summary Use ClassLoader.defineClass() to load a class with rewritten bytecode. Make sure
28  *          the archived class with the same name is not loaded.
29  * @requires vm.cds
30  * @library /test/lib
31  * @modules java.base/jdk.internal.misc
32  *          java.management
33  *          jdk.jartool/sun.tools.jar
34  * @compile test-classes/RewriteBytecodes.java test-classes/Util.java test-classes/Super.java test-classes/Child.java
35  * @build sun.hotspot.WhiteBox
36  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
37  * @run main RewriteBytecodesTest
38  */
39 
40 import java.io.File;
41 import jdk.test.lib.process.OutputAnalyzer;
42 
43 public class RewriteBytecodesTest {
main(String[] args)44   public static void main(String[] args) throws Exception {
45     String wbJar = JarBuilder.build(true, "WhiteBox", "sun/hotspot/WhiteBox");
46     String use_whitebox_jar = "-Xbootclasspath/a:" + wbJar;
47 
48     String appJar = JarBuilder.build("dynamic_define", "RewriteBytecodes", "Util", "Super", "Child");
49     String superClsFile = (new File(System.getProperty("test.classes", "."), "Super.class")).getPath();
50 
51     TestCommon.dump(appJar, TestCommon.list("RewriteBytecodes", "Super", "Child"),
52                     // command-line arguments ...
53                     use_whitebox_jar);
54 
55     OutputAnalyzer output = TestCommon.exec(appJar,
56                     // command-line arguments ...
57                     "--add-opens=java.base/java.lang=ALL-UNNAMED",
58                     use_whitebox_jar,
59                     "-XX:+UnlockDiagnosticVMOptions",
60                     "-XX:+WhiteBoxAPI",
61                     "RewriteBytecodes", superClsFile);
62     TestCommon.checkExec(output);
63   }
64 }
65