< prev index next >
test/compiler/jsr292/CallSiteDepContextTest.java
Print this page
@@ -22,16 +22,19 @@
*/
/**
* @test
* @bug 8057967
- * @ignore 8079205
- * @run main/bootclasspath -Xbatch java.lang.invoke.CallSiteDepContextTest
+ * @run main/bootclasspath -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:+TraceClassUnloading
+ * -XX:+PrintCompilation -XX:+TraceDependencies -XX:+TraceReferenceGC
+ * -verbose:gc java.lang.invoke.CallSiteDepContextTest
*/
package java.lang.invoke;
import java.lang.ref.*;
+import java.lang.reflect.Field;
+
import jdk.internal.org.objectweb.asm.*;
import sun.misc.Unsafe;
import static jdk.internal.org.objectweb.asm.Opcodes.*;
@@ -94,10 +97,18 @@
}
}
}
}
+ public static void testHiddenDepField() throws Exception {
+ Class<?> contextClass = Class.forName("java.lang.invoke.CallSite$Context");
+ try {
+ Field f = contextClass.getDeclaredField("dependencies");
+ throw new AssertionError("Context.dependencies field should be hidden");
+ } catch(NoSuchFieldException e) { /* expected */ }
+ }
+
public static void testSharedCallSite() throws Throwable {
Class<?> cls1 = UNSAFE.defineAnonymousClass(Object.class, getClassFile("CS_1"), null);
Class<?> cls2 = UNSAFE.defineAnonymousClass(Object.class, getClassFile("CS_2"), null);
MethodHandle[] mhs = new MethodHandle[] {
@@ -130,16 +141,18 @@
}
static ReferenceQueue rq = new ReferenceQueue();
static PhantomReference ref;
- public static void testGC() throws Throwable {
+ public static void testGC(boolean clear, boolean precompile) throws Throwable {
+ String id = "_" + clear + "_" + precompile;
+
mcs = new MutableCallSite(LOOKUP.findStatic(T.class, "f1", TYPE));
Class<?>[] cls = new Class[] {
- UNSAFE.defineAnonymousClass(Object.class, getClassFile("GC_1"), null),
- UNSAFE.defineAnonymousClass(Object.class, getClassFile("GC_2"), null),
+ UNSAFE.defineAnonymousClass(Object.class, getClassFile("GC_1" + id), null),
+ UNSAFE.defineAnonymousClass(Object.class, getClassFile("GC_2" + id), null),
};
MethodHandle[] mhs = new MethodHandle[] {
LOOKUP.findStatic(cls[0], METHOD_NAME, TYPE),
LOOKUP.findStatic(cls[1], METHOD_NAME, TYPE),
@@ -149,32 +162,40 @@
int r = (int) mhs[0].invokeExact();
execute(1, mhs);
ref = new PhantomReference<>(cls[0], rq);
- cls[0] = UNSAFE.defineAnonymousClass(Object.class, getClassFile("GC_3"), null);
+ cls[0] = UNSAFE.defineAnonymousClass(Object.class, getClassFile("GC_3" + id), null);
mhs[0] = LOOKUP.findStatic(cls[0], METHOD_NAME, TYPE);
do {
System.gc();
try {
- Reference ref1 = rq.remove(1000);
+ Reference ref1 = rq.remove(100);
if (ref1 == ref) {
- ref1.clear();
- System.gc(); // Ensure that the stale context is cleared
break;
}
} catch(InterruptedException e) { /* ignore */ }
} while (true);
+ if (clear) {
+ ref.clear();
+ System.gc(); // Ensure that the stale context is unloaded
+ }
+ if (precompile) {
execute(1, mhs);
+ }
mcs.setTarget(LOOKUP.findStatic(T.class, "f2", TYPE));
execute(2, mhs);
}
public static void main(String[] args) throws Throwable {
+ testHiddenDepField();
testSharedCallSite();
testNonBoundCallSite();
- testGC();
+ testGC(false, false);
+ testGC(false, true);
+ testGC( true, false);
+ testGC( true, true);
System.out.println("TEST PASSED");
}
}
< prev index next >