Re-land rev. 12849 and 12868 (Heavy cleanup of the external pointer API + related fix).

test/cctest/test-api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
 //     * Neither the name of Google Inc. nor the names of its
 //       contributors may be used to endorse or promote products derived
 //       from this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+// We want to test our deprecated API entries, too.
+#define V8_DISABLE_DEPRECATIONS 1
+
 #include <limits.h>
 
 #ifndef WIN32
 #include <signal.h>  // kill
 #include <unistd.h>  // getpid
 #endif  // WIN32
 
 #include "v8.h"
 
 #include "api.h"
@@ skipping 2011 matching lines @@
   CHECK_EQ(aligned, obj->GetPointerFromInternalField(0));
 
   obj->SetInternalField(0, v8::External::Wrap(unaligned));
   HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
   CHECK_EQ(unaligned, obj->GetPointerFromInternalField(0));
 
   delete[] data;
 }
 
 
+static void CheckAlignedPointerInInternalField(Handle<v8::Object> obj,
+                                               void* value) {
+  CHECK_EQ(0, static_cast<int>(reinterpret_cast<uintptr_t>(value) & 0x1));
+  obj->SetPointerInInternalField(0, value);
+  HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
+  CHECK_EQ(value, obj->GetPointerFromInternalField(0));
+}
+
+
+THREADED_TEST(InternalFieldsAlignedPointers) {
+  v8::HandleScope scope;
+  LocalContext env;
+
+  Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
+  Local<v8::ObjectTemplate> instance_templ = templ->InstanceTemplate();
+  instance_templ->SetInternalFieldCount(1);
+  Local<v8::Object> obj = templ->GetFunction()->NewInstance();
+  CHECK_EQ(1, obj->InternalFieldCount());
+
+  CheckAlignedPointerInInternalField(obj, NULL);
+
+  int* heap_allocated = new int[100];
+  CheckAlignedPointerInInternalField(obj, heap_allocated);
+  delete[] heap_allocated;
+
+  int stack_allocated[100];
+  CheckAlignedPointerInInternalField(obj, stack_allocated);
+
+  void* huge = reinterpret_cast<void*>(~static_cast<uintptr_t>(1));
+  CheckAlignedPointerInInternalField(obj, huge);
+}
+
+
+static void CheckAlignedPointerInEmbedderData(LocalContext* env,
+                                              int index,
+                                              void* value) {
+  CHECK_EQ(0, static_cast<int>(reinterpret_cast<uintptr_t>(value) & 0x1));
+  (*env)->SetAlignedPointerInEmbedderData(index, value);
+  HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
+  CHECK_EQ(value, (*env)->GetAlignedPointerFromEmbedderData(index));
+}
+
+
+static void* AlignedTestPointer(int i) {
+  return reinterpret_cast<void*>(i * 1234);
+}
+
+
+THREADED_TEST(EmbedderDataAlignedPointers) {
+  v8::HandleScope scope;
+  LocalContext env;
+
+  CheckAlignedPointerInEmbedderData(&env, 0, NULL);
+
+  int* heap_allocated = new int[100];
+  CheckAlignedPointerInEmbedderData(&env, 1, heap_allocated);
+  delete[] heap_allocated;
+
+  int stack_allocated[100];
+  CheckAlignedPointerInEmbedderData(&env, 2, stack_allocated);
+
+  void* huge = reinterpret_cast<void*>(~static_cast<uintptr_t>(1));
+  CheckAlignedPointerInEmbedderData(&env, 3, huge);
+
+  // Test growing of the embedder data's backing store.
+  for (int i = 0; i < 100; i++) {
+    env->SetAlignedPointerInEmbedderData(i, AlignedTestPointer(i));
+  }
+  HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
+  for (int i = 0; i < 100; i++) {
+    CHECK_EQ(AlignedTestPointer(i), env->GetAlignedPointerFromEmbedderData(i));
+  }
+}
+
+
+static void CheckEmbedderData(LocalContext* env,
+                              int index,
+                              v8::Handle<Value> data) {
+  (*env)->SetEmbedderData(index, data);
+  CHECK((*env)->GetEmbedderData(index)->StrictEquals(data));
+}
+
+THREADED_TEST(EmbedderData) {
+  v8::HandleScope scope;
+  LocalContext env;
+
+  CheckEmbedderData(&env, 3, v8::String::New("The quick brown fox jumps"));
+  CheckEmbedderData(&env, 2, v8::String::New("over the lazy dog."));
+  CheckEmbedderData(&env, 1, v8::Number::New(1.2345));
+  CheckEmbedderData(&env, 0, v8::Boolean::New(true));
+}
+
+
 THREADED_TEST(IdentityHash) {
   v8::HandleScope scope;
   LocalContext env;
 
   // Ensure that the test starts with an fresh heap to test whether the hash
   // code is based on the address.
   HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
   Local<v8::Object> obj = v8::Object::New();
   int hash = obj->GetIdentityHash();
   int hash1 = obj->GetIdentityHash();
@@ skipping 15830 matching lines @@
 
   i::Semaphore* sem_;
   volatile int sem_value_;
 };
 
 
 THREADED_TEST(SemaphoreInterruption) {
   ThreadInterruptTest().RunTest();
 }
 #endif  // WIN32