test/java/lang/invoke/VarHandles/VarHandleTestMethodHandleAccessString.java

@@ -206,26 +206,35 @@
             String x = (String) hs.get(TestAccessMode.GET).invokeExact(recv);
             assertEquals(x, "foo", "failing compareAndExchangeRelease String value");
         }
 
         {
-            boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(recv, "foo", "bar");
-            assertEquals(r, true, "weakCompareAndSet String");
+            boolean success = false;
+            for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(recv, "foo", "bar");
+            }
+            assertEquals(success, true, "weakCompareAndSet String");
             String x = (String) hs.get(TestAccessMode.GET).invokeExact(recv);
             assertEquals(x, "bar", "weakCompareAndSet String value");
         }
 
         {
-            boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(recv, "bar", "foo");
-            assertEquals(r, true, "weakCompareAndSetAcquire String");
+            boolean success = false;
+            for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(recv, "bar", "foo");
+            }
+            assertEquals(success, true, "weakCompareAndSetAcquire String");
             String x = (String) hs.get(TestAccessMode.GET).invokeExact(recv);
             assertEquals(x, "foo", "weakCompareAndSetAcquire String");
         }
 
         {
-            boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(recv, "foo", "bar");
-            assertEquals(r, true, "weakCompareAndSetRelease String");
+            boolean success = false;
+            for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(recv, "foo", "bar");
+            }
+            assertEquals(success, true, "weakCompareAndSetRelease String");
             String x = (String) hs.get(TestAccessMode.GET).invokeExact(recv);
             assertEquals(x, "bar", "weakCompareAndSetRelease String");
         }
 
         // Compare set and get

@@ -336,26 +345,35 @@
             String x = (String) hs.get(TestAccessMode.GET).invokeExact();
             assertEquals(x, "foo", "failing compareAndExchangeRelease String value");
         }
 
         {
-            boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact("foo", "bar");
-            assertEquals(r, true, "weakCompareAndSet String");
+            boolean success = false;
+            for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact("foo", "bar");
+            }
+            assertEquals(success, true, "weakCompareAndSet String");
             String x = (String) hs.get(TestAccessMode.GET).invokeExact();
             assertEquals(x, "bar", "weakCompareAndSet String value");
         }
 
         {
-            boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact("bar", "foo");
-            assertEquals(r, true, "weakCompareAndSetAcquire String");
+            boolean success = false;
+            for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact("bar", "foo");
+            }
+            assertEquals(success, true, "weakCompareAndSetAcquire String");
             String x = (String) hs.get(TestAccessMode.GET).invokeExact();
             assertEquals(x, "foo", "weakCompareAndSetAcquire String");
         }
 
         {
-            boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact( "foo", "bar");
-            assertEquals(r, true, "weakCompareAndSetRelease String");
+            boolean success = false;
+            for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact("foo", "bar");
+            }
+            assertEquals(success, true, "weakCompareAndSetRelease String");
             String x = (String) hs.get(TestAccessMode.GET).invokeExact();
             assertEquals(x, "bar", "weakCompareAndSetRelease String");
         }
 
         // Compare set and get

@@ -469,26 +487,35 @@
                 String x = (String) hs.get(TestAccessMode.GET).invokeExact(array, i);
                 assertEquals(x, "foo", "failing compareAndExchangeRelease String value");
             }
 
             {
-                boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(array, i, "foo", "bar");
-                assertEquals(r, true, "weakCompareAndSet String");
+                boolean success = false;
+                for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                    success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET).invokeExact(array, i, "foo", "bar");
+                }
+                assertEquals(success, true, "weakCompareAndSet String");
                 String x = (String) hs.get(TestAccessMode.GET).invokeExact(array, i);
                 assertEquals(x, "bar", "weakCompareAndSet String value");
             }
 
             {
-                boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(array, i, "bar", "foo");
-                assertEquals(r, true, "weakCompareAndSetAcquire String");
+                boolean success = false;
+                for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                    success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_ACQUIRE).invokeExact(array, i, "bar", "foo");
+                }
+                assertEquals(success, true, "weakCompareAndSetAcquire String");
                 String x = (String) hs.get(TestAccessMode.GET).invokeExact(array, i);
                 assertEquals(x, "foo", "weakCompareAndSetAcquire String");
             }
 
             {
-                boolean r = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(array, i, "foo", "bar");
-                assertEquals(r, true, "weakCompareAndSetRelease String");
+                boolean success = false;
+                for (int c = 0; c < WEAK_ATTEMPTS && !success; c++) {
+                    success = (boolean) hs.get(TestAccessMode.WEAK_COMPARE_AND_SET_RELEASE).invokeExact(array, i, "foo", "bar");
+                }
+                assertEquals(success, true, "weakCompareAndSetRelease String");
                 String x = (String) hs.get(TestAccessMode.GET).invokeExact(array, i);
                 assertEquals(x, "bar", "weakCompareAndSetRelease String");
             }
 
             // Compare set and get