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test/hotspot/jtreg/gc/class_unloading/TestClassUnloadingDisabled.java

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  47  */
  48 
  49 /*
  50  * @test
  51  * @key gc
  52  * @bug 8114823
  53  * @comment Graal does not support CMS
  54  * @requires vm.gc=="null" & !vm.graal.enabled
  55  * @requires vm.opt.ExplicitGCInvokesConcurrent != true
  56  * @requires vm.opt.ClassUnloading != true
  57  * @library /test/lib
  58  * @modules java.base/jdk.internal.misc
  59  *          java.management
  60  * @build sun.hotspot.WhiteBox
  61  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  62  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  63  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  64  *                   -XX:-ClassUnloading -XX:+UseConcMarkSweepGC TestClassUnloadingDisabled
  65  */
  66 


















  67 import java.io.File;
  68 import java.io.IOException;
  69 import java.nio.file.Files;
  70 import java.nio.file.Path;
  71 import java.nio.file.Paths;
  72 
  73 import sun.hotspot.WhiteBox;
  74 
  75 import static jdk.test.lib.Asserts.*;
  76 
  77 public class TestClassUnloadingDisabled {
  78     public static void main(String args[]) throws Exception {
  79         final WhiteBox wb = WhiteBox.getWhiteBox();
  80         // Fetch the dir where the test class and the class
  81         // to be loaded resides.
  82         String classDir = TestClassUnloadingDisabled.class.getProtectionDomain().getCodeSource().getLocation().getPath();
  83         String className = "ClassToLoadUnload";
  84 
  85         assertFalse(wb.isClassAlive(className), "Should not be loaded yet");
  86 




  47  */
  48 
  49 /*
  50  * @test
  51  * @key gc
  52  * @bug 8114823
  53  * @comment Graal does not support CMS
  54  * @requires vm.gc=="null" & !vm.graal.enabled
  55  * @requires vm.opt.ExplicitGCInvokesConcurrent != true
  56  * @requires vm.opt.ClassUnloading != true
  57  * @library /test/lib
  58  * @modules java.base/jdk.internal.misc
  59  *          java.management
  60  * @build sun.hotspot.WhiteBox
  61  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  62  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  63  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  64  *                   -XX:-ClassUnloading -XX:+UseConcMarkSweepGC TestClassUnloadingDisabled
  65  */
  66 
  67 /*
  68  * @test TestClassUnloadingDisabledShenandoah
  69  * @key gc
  70  * @bug 8114823
  71  * @comment Graal does not support Shenandoah
  72  * @requires vm.gc.Shenandoah & !vm.graal.enabled
  73  * @requires vm.opt.ExplicitGCInvokesConcurrent != true
  74  * @requires vm.opt.ClassUnloading != true
  75  * @library /test/lib
  76  * @modules java.base/jdk.internal.misc
  77  *          java.management
  78  * @build sun.hotspot.WhiteBox
  79  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  80  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  81  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  82  *                   -XX:-ClassUnloading -XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC TestClassUnloadingDisabled
  83  */
  84 
  85 import java.io.File;
  86 import java.io.IOException;
  87 import java.nio.file.Files;
  88 import java.nio.file.Path;
  89 import java.nio.file.Paths;
  90 
  91 import sun.hotspot.WhiteBox;
  92 
  93 import static jdk.test.lib.Asserts.*;
  94 
  95 public class TestClassUnloadingDisabled {
  96     public static void main(String args[]) throws Exception {
  97         final WhiteBox wb = WhiteBox.getWhiteBox();
  98         // Fetch the dir where the test class and the class
  99         // to be loaded resides.
 100         String classDir = TestClassUnloadingDisabled.class.getProtectionDomain().getCodeSource().getLocation().getPath();
 101         String className = "ClassToLoadUnload";
 102 
 103         assertFalse(wb.isClassAlive(className), "Should not be loaded yet");
 104 


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