Object.observe: test mutating an object via the API

test/cctest/cctest.h

 // Copyright 2008 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
@@ skipping 234 matching lines @@
 
 // Helper function that simulates a full old-space in the heap.
 static inline void SimulateFullSpace(v8::internal::PagedSpace* space) {
   int old_linear_size = static_cast<int>(space->limit() - space->top());
   space->Free(space->top(), old_linear_size);
   space->SetTop(space->limit(), space->limit());
   space->ResetFreeList();
   space->ClearStats();
 }
 
+static inline void ExpectString(const char* code, const char* expected) {
+  v8::Local<v8::Value> result = CompileRun(code);
+  CHECK(result->IsString());
+  v8::String::AsciiValue ascii(result);
+  CHECK_EQ(expected, *ascii);
+}
+
 
 #endif  // ifndef CCTEST_H_