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Unified Diff: test/cctest/test-api.cc

Issue 1136553006: Implement SharedArrayBuffer (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: merge master Created 5 years, 7 months ago
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Index: test/cctest/test-api.cc
diff --git a/test/cctest/test-api.cc b/test/cctest/test-api.cc
index 630391e93edaec3cfdfaeac3f24b8b042107ae53..7bbc1c1d1d9a19ee28a241718bd70b3f53e0e0e0 100644
--- a/test/cctest/test-api.cc
+++ b/test/cctest/test-api.cc
@@ -2765,6 +2765,136 @@ THREADED_TEST(ArrayBuffer_NeuteringScript) {
}
+class ScopedSharedArrayBufferContents {
+ public:
+ explicit ScopedSharedArrayBufferContents(
+ const v8::SharedArrayBuffer::Contents& contents)
+ : contents_(contents) {}
+ ~ScopedSharedArrayBufferContents() { free(contents_.Data()); }
+ void* Data() const { return contents_.Data(); }
+ size_t ByteLength() const { return contents_.ByteLength(); }
+
+ private:
+ const v8::SharedArrayBuffer::Contents contents_;
+};
+
+
+THREADED_TEST(SharedArrayBuffer_ApiInternalToExternal) {
+ i::FLAG_harmony_sharedarraybuffer = true;
+ LocalContext env;
+ v8::Isolate* isolate = env->GetIsolate();
+ v8::HandleScope handle_scope(isolate);
+
+ Local<v8::SharedArrayBuffer> ab = v8::SharedArrayBuffer::New(isolate, 1024);
+ CheckInternalFieldsAreZero(ab);
+ CHECK_EQ(1024, static_cast<int>(ab->ByteLength()));
+ CHECK(!ab->IsExternal());
+ CcTest::heap()->CollectAllGarbage();
+
+ ScopedSharedArrayBufferContents ab_contents(ab->Externalize());
+ CHECK(ab->IsExternal());
+
+ CHECK_EQ(1024, static_cast<int>(ab_contents.ByteLength()));
+ uint8_t* data = static_cast<uint8_t*>(ab_contents.Data());
+ DCHECK(data != NULL);
+ env->Global()->Set(v8_str("ab"), ab);
+
+ v8::Handle<v8::Value> result = CompileRun("ab.byteLength");
+ CHECK_EQ(1024, result->Int32Value());
+
+ result = CompileRun(
+ "var u8 = new Uint8Array(ab);"
+ "u8[0] = 0xFF;"
+ "u8[1] = 0xAA;"
+ "u8.length");
+ CHECK_EQ(1024, result->Int32Value());
+ CHECK_EQ(0xFF, data[0]);
+ CHECK_EQ(0xAA, data[1]);
+ data[0] = 0xCC;
+ data[1] = 0x11;
+ result = CompileRun("u8[0] + u8[1]");
+ CHECK_EQ(0xDD, result->Int32Value());
+}
+
+
+THREADED_TEST(SharedArrayBuffer_JSInternalToExternal) {
+ i::FLAG_harmony_sharedarraybuffer = true;
+ LocalContext env;
+ v8::Isolate* isolate = env->GetIsolate();
+ v8::HandleScope handle_scope(isolate);
+
+
+ v8::Local<v8::Value> result = CompileRun(
+ "var ab1 = new SharedArrayBuffer(2);"
+ "var u8_a = new Uint8Array(ab1);"
+ "u8_a[0] = 0xAA;"
+ "u8_a[1] = 0xFF; u8_a.buffer");
+ Local<v8::SharedArrayBuffer> ab1 = Local<v8::SharedArrayBuffer>::Cast(result);
+ CheckInternalFieldsAreZero(ab1);
+ CHECK_EQ(2, static_cast<int>(ab1->ByteLength()));
+ CHECK(!ab1->IsExternal());
+ ScopedSharedArrayBufferContents ab1_contents(ab1->Externalize());
+ CHECK(ab1->IsExternal());
+
+ result = CompileRun("ab1.byteLength");
+ CHECK_EQ(2, result->Int32Value());
+ result = CompileRun("u8_a[0]");
+ CHECK_EQ(0xAA, result->Int32Value());
+ result = CompileRun("u8_a[1]");
+ CHECK_EQ(0xFF, result->Int32Value());
+ result = CompileRun(
+ "var u8_b = new Uint8Array(ab1);"
+ "u8_b[0] = 0xBB;"
+ "u8_a[0]");
+ CHECK_EQ(0xBB, result->Int32Value());
+ result = CompileRun("u8_b[1]");
+ CHECK_EQ(0xFF, result->Int32Value());
+
+ CHECK_EQ(2, static_cast<int>(ab1_contents.ByteLength()));
+ uint8_t* ab1_data = static_cast<uint8_t*>(ab1_contents.Data());
+ CHECK_EQ(0xBB, ab1_data[0]);
+ CHECK_EQ(0xFF, ab1_data[1]);
+ ab1_data[0] = 0xCC;
+ ab1_data[1] = 0x11;
+ result = CompileRun("u8_a[0] + u8_a[1]");
+ CHECK_EQ(0xDD, result->Int32Value());
+}
+
+
+THREADED_TEST(SharedArrayBuffer_External) {
+ i::FLAG_harmony_sharedarraybuffer = true;
+ LocalContext env;
+ v8::Isolate* isolate = env->GetIsolate();
+ v8::HandleScope handle_scope(isolate);
+
+ i::ScopedVector<uint8_t> my_data(100);
+ memset(my_data.start(), 0, 100);
+ Local<v8::SharedArrayBuffer> ab3 =
+ v8::SharedArrayBuffer::New(isolate, my_data.start(), 100);
+ CheckInternalFieldsAreZero(ab3);
+ CHECK_EQ(100, static_cast<int>(ab3->ByteLength()));
+ CHECK(ab3->IsExternal());
+
+ env->Global()->Set(v8_str("ab3"), ab3);
+
+ v8::Handle<v8::Value> result = CompileRun("ab3.byteLength");
+ CHECK_EQ(100, result->Int32Value());
+
+ result = CompileRun(
+ "var u8_b = new Uint8Array(ab3);"
+ "u8_b[0] = 0xBB;"
+ "u8_b[1] = 0xCC;"
+ "u8_b.length");
+ CHECK_EQ(100, result->Int32Value());
+ CHECK_EQ(0xBB, my_data[0]);
+ CHECK_EQ(0xCC, my_data[1]);
+ my_data[0] = 0xCC;
+ my_data[1] = 0x11;
+ result = CompileRun("u8_b[0] + u8_b[1]");
+ CHECK_EQ(0xDD, result->Int32Value());
+}
+
+
THREADED_TEST(HiddenProperties) {
LocalContext env;
v8::Isolate* isolate = env->GetIsolate();
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