Add test case for runFinalization.
There was a bug causing runFinalization to return before recently
freed objects were finalized. This is a regression test for this bug.
Bug: 17381967
Change-Id: Ide6e2037685324423e83965fae3935f3e7f0aba6
diff --git a/test/036-finalizer/src/Main.java b/test/036-finalizer/src/Main.java
index 328425f..390472d 100644
--- a/test/036-finalizer/src/Main.java
+++ b/test/036-finalizer/src/Main.java
@@ -120,6 +120,39 @@
System.out.println("reborn: " + FinalizerTest.mReborn);
System.out.println("wimp: " + wimpString(wimp));
+ // Test runFinalization with multiple objects.
+ runFinalizationTest();
+ }
+
+ static class FinalizeCounter {
+ private static Object finalizeLock = new Object();
+ private static volatile int finalizeCount = 0;
+ private int index;
+ static int getCount() {
+ return finalizeCount;
+ }
+ FinalizeCounter(int index) {
+ this.index = index;
+ }
+ protected void finalize() {
+ synchronized(finalizeLock) {
+ ++finalizeCount;
+ }
+ }
+ }
+
+ private static void runFinalizationTest() {
+ int count = 1024;
+ Object[] objs = new Object[count];
+ for (int i = 0; i < count; ++i) {
+ objs[i] = new FinalizeCounter(i);
+ }
+ for (int i = 0; i < count; ++i) {
+ objs[i] = null;
+ }
+ System.gc();
+ System.runFinalization();
+ System.out.println("Finalized " + FinalizeCounter.getCount() + " / " + count);
}
public static class FinalizerTest {