Implement safepointing of threads

runtime/vm/object_id_ring_test.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/assert.h"
 #include "vm/globals.h"
 #include "vm/object_id_ring.h"
 #include "vm/unit_test.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_api_state.h"
@@ skipping 30 matching lines @@
 
   static void ExpectString(RawObject* obj, const char* s) {
     String& str = String::Handle();
     str ^= obj;
     EXPECT(str.Equals(s));
   }
 };
 
 
 // Test that serial number wrapping works.
-TEST_CASE(ObjectIdRingSerialWrapTest) {
+VM_TEST_CASE(ObjectIdRingSerialWrapTest) {
   Isolate* isolate = Isolate::Current();
   ObjectIdRing* ring = isolate->object_id_ring();
   ObjectIdRingTestHelper::SetCapacityAndMaxSerial(ring, 2, 4);
   intptr_t id;
   ObjectIdRing::LookupResult kind = ObjectIdRing::kInvalid;
   id = ring->GetIdForObject(ObjectIdRingTestHelper::MakeString("0"));
   EXPECT_EQ(0, id);
   ObjectIdRingTestHelper::ExpectIndexId(ring, 0, 0);
   ObjectIdRingTestHelper::ExpectInvalidIndex(ring, 1);
   id = ring->GetIdForObject(ObjectIdRingTestHelper::MakeString("1"));
@@ skipping 91 matching lines @@
   EXPECT_EQ(raw_obj_id1,
       ring->GetIdForObject(raw_obj, ObjectIdRing::kReuseId));
   RawObject* raw_obj1 = ring->GetObjectForId(raw_obj_id1, &kind);
   EXPECT_EQ(ObjectIdRing::kValid, kind);
   RawObject* raw_obj2 = ring->GetObjectForId(raw_obj_id2, &kind);
   EXPECT_EQ(ObjectIdRing::kValid, kind);
   EXPECT_NE(Object::null(), raw_obj1);
   EXPECT_NE(Object::null(), raw_obj2);
   EXPECT_EQ(RawObject::ToAddr(raw_obj), RawObject::ToAddr(raw_obj1));
   EXPECT_EQ(RawObject::ToAddr(raw_obj), RawObject::ToAddr(raw_obj2));
-  // Force a scavenge.
-  heap->CollectGarbage(Heap::kNew);
+  {
+    TransitionNativeToVM transition(thread);
+    // Force a scavenge.
+    heap->CollectGarbage(Heap::kNew);
+  }
   RawObject* raw_object_moved1 = ring->GetObjectForId(raw_obj_id1, &kind);
   EXPECT_EQ(ObjectIdRing::kValid, kind);
   RawObject* raw_object_moved2 = ring->GetObjectForId(raw_obj_id2, &kind);
   EXPECT_EQ(ObjectIdRing::kValid, kind);
   EXPECT_NE(Object::null(), raw_object_moved1);
   EXPECT_NE(Object::null(), raw_object_moved2);
   EXPECT_EQ(RawObject::ToAddr(raw_object_moved1),
             RawObject::ToAddr(raw_object_moved2));
   // Test that objects have moved.
   EXPECT_NE(RawObject::ToAddr(raw_obj1), RawObject::ToAddr(raw_object_moved1));
   EXPECT_NE(RawObject::ToAddr(raw_obj2), RawObject::ToAddr(raw_object_moved2));
   // Test that we still point at the same list.
   Dart_Handle moved_handle = Api::NewHandle(thread, raw_object_moved1);
   EXPECT_VALID(moved_handle);
   EXPECT(!Dart_IsNull(moved_handle));
   EXPECT(Dart_IsList(moved_handle));
   EXPECT_VALID(Dart_ListLength(moved_handle, &list_length));
   EXPECT_EQ(3, list_length);
   // Test id reuse.
   EXPECT_EQ(raw_obj_id1,
       ring->GetIdForObject(raw_object_moved1, ObjectIdRing::kReuseId));
 }
 
 
 // Test that the ring table is updated with nulls when the old GC collects.
-TEST_CASE(ObjectIdRingOldGCTest) {
+VM_TEST_CASE(ObjectIdRingOldGCTest) {
   Isolate* isolate = thread->isolate();
   Heap* heap = isolate->heap();
   ObjectIdRing* ring = isolate->object_id_ring();
 
   ObjectIdRing::LookupResult kind = ObjectIdRing::kInvalid;
   intptr_t raw_obj_id1 = -1;
   intptr_t raw_obj_id2 = -1;
   {
     Dart_EnterScope();
     Dart_Handle result;
@@ skipping 33 matching lines @@
   EXPECT_EQ(ObjectIdRing::kCollected, kind);
   EXPECT_EQ(Object::null(), raw_object_moved1);
   RawObject* raw_object_moved2 = ring->GetObjectForId(raw_obj_id2, &kind);
   EXPECT_EQ(ObjectIdRing::kCollected, kind);
   EXPECT_EQ(Object::null(), raw_object_moved2);
 }
 
 
 // Test that the ring table correctly reports an entry as expired when it is
 // overridden by new entries.
-TEST_CASE(ObjectIdRingExpiredEntryTest) {
+VM_TEST_CASE(ObjectIdRingExpiredEntryTest) {
   Isolate* isolate = Isolate::Current();
   ObjectIdRing* ring = isolate->object_id_ring();
 
   // Insert an object and check we can look it up.
   String& obj = String::Handle(String::New("I will expire"));
   intptr_t obj_id = ring->GetIdForObject(obj.raw());
   ObjectIdRing::LookupResult kind = ObjectIdRing::kInvalid;
   RawObject* obj_lookup = ring->GetObjectForId(obj_id, &kind);
   EXPECT_EQ(ObjectIdRing::kValid, kind);
   EXPECT_EQ(obj.raw(), obj_lookup);
@@ skipping 10 matching lines @@
   }
 
   // Check our first entry reports it has expired.
   obj_lookup = ring->GetObjectForId(obj_id, &kind);
   EXPECT_EQ(ObjectIdRing::kExpired, kind);
   EXPECT_NE(obj.raw(), obj_lookup);
   EXPECT_EQ(Object::null(), obj_lookup);
 }
 
 }  // namespace dart