Relax test condition to make it less brittle.

BUG=
TEST=cctest/test-api/IdleNotificationWithHint

Review URL: http://codereview.chromium.org/8839007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10202 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/cctest/test-api.cc

@@ -13438,6 +13438,8 @@ TEST(SourceURLInStackTrace) {
 
 
 // Test that idle notification can be handled and eventually returns true.
+// This just checks the contract of the IdleNotification() function,
+// and does not verify that it does reasonable work.
 THREADED_TEST(IdleNotification) {
   v8::HandleScope scope;
   LocalContext env;
@@ -13463,6 +13465,8 @@ THREADED_TEST(IdleNotification) {
 }
 
 // Test that idle notification can be handled and eventually returns true.
+// This just checks the contract of the IdleNotification() function,
+// and does not verify that it does reasonable work.
 THREADED_TEST(IdleNotificationWithHint) {
   v8::HandleScope scope;
   LocalContext env;
@@ -13488,7 +13492,7 @@ THREADED_TEST(IdleNotificationWithHint) {
   }
   CHECK(rv == true);
   intptr_t new_size = HEAP->SizeOfObjects();
-  CHECK(no_idle_work || new_size < 3 * old_size / 4);
+  CHECK(no_idle_work || new_size < old_size);
 }
 
 

test/cctest/test-heap.cc

@@ -1290,7 +1290,8 @@ TEST(CollectingAllAvailableGarbageShrinksNewSpace) {
   CHECK(old_capacity == new_capacity);
 }
 
-
+// This just checks the contract of the IdleNotification() function,
+// and does not verify that it does reasonable work.
 TEST(IdleNotificationAdvancesIncrementalMarking) {
   if (!FLAG_incremental_marking || !FLAG_incremental_marking_steps) return;
   InitializeVM();
@@ -1315,5 +1316,5 @@ TEST(IdleNotificationAdvancesIncrementalMarking) {
   bool no_idle_work = v8::V8::IdleNotification(900);
   while (!v8::V8::IdleNotification(900)) ;
   intptr_t new_size = HEAP->SizeOfObjects();
-  CHECK(no_idle_work || new_size < 3 * old_size / 4);
+  CHECK(no_idle_work || new_size < old_size);
 }