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

Issue 2272383002: [api] Add interceptor for defineProperty(). (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@DefineProperty
Patch Set: Add test for intercepting Object.freeze(). Created 4 years, 4 months ago
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Index: test/cctest/test-api-interceptors.cc
diff --git a/test/cctest/test-api-interceptors.cc b/test/cctest/test-api-interceptors.cc
index 6e4c6028e90eb78990cdfdd42391b90ccd7346d7..e288b4f1d619557dc76ffdfb09003853b0498edb 100644
--- a/test/cctest/test-api-interceptors.cc
+++ b/test/cctest/test-api-interceptors.cc
@@ -239,6 +239,26 @@ void CheckThisNamedPropertyHandler(
.FromJust());
}
+void CheckThisIndexedPropertyDefiner(
+ uint32_t index, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ CheckReturnValue(info, FUNCTION_ADDR(CheckThisIndexedPropertyDefiner));
+ ApiTestFuzzer::Fuzz();
+ CHECK(info.This()
+ ->Equals(info.GetIsolate()->GetCurrentContext(), bottom)
+ .FromJust());
+}
+
+void CheckThisNamedPropertyDefiner(
+ Local<Name> property, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ CheckReturnValue(info, FUNCTION_ADDR(CheckThisNamedPropertyDefiner));
+ ApiTestFuzzer::Fuzz();
+ CHECK(info.This()
+ ->Equals(info.GetIsolate()->GetCurrentContext(), bottom)
+ .FromJust());
+}
+
void CheckThisIndexedPropertySetter(
uint32_t index, Local<Value> value,
const v8::PropertyCallbackInfo<v8::Value>& info) {
@@ -1103,6 +1123,282 @@ THREADED_TEST(NamedPropertyHandlerGetter) {
.FromJust());
}
+namespace {
+void NotInterceptingPropertyDefineCallback(
+ Local<Name> name, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ // Do not intercept by not calling info.GetReturnValue().Set()
+}
+
+void InterceptingPropertyDefineCallback(
+ Local<Name> name, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ // intercept the callback by setting a non-empty handle
+ info.GetReturnValue().Set(name);
+}
+} // namespace
+THREADED_TEST(PropertyDefinerCallback) {
+ v8::HandleScope scope(CcTest::isolate());
+ LocalContext env;
+
+ { // Intercept defineProperty()
+ v8::Local<v8::FunctionTemplate> templ =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, NotInterceptingPropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+ const char* code =
+ "obj.x = 17; "
+ "Object.defineProperty(obj, 'x', {value: 42});"
+ "obj.x;";
+ CHECK_EQ(42, v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->Int32Value(env.local())
+ .FromJust());
+ }
+
+ { // Do not intercept defineProperty()
+ v8::Local<v8::FunctionTemplate> templ2 =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ2->InstanceTemplate()->SetHandler(
+ v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, InterceptingPropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj2"), templ2->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+
+ const char* code =
+ "obj2.x = 17; "
+ "Object.defineProperty(obj2, 'x', {value: 42});"
+ "obj2.x;";
+ CHECK_EQ(17, v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->Int32Value(env.local())
+ .FromJust());
+ }
+}
+
+// Test that freeze() is intercepted.
+THREADED_TEST(PropertyDefinerCallbackForFreeze) {
+ v8::HandleScope scope(CcTest::isolate());
+ LocalContext env;
+ v8::Local<v8::FunctionTemplate> templ =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, InterceptingPropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+ const char* code =
+ "obj.x = 17; "
+ "Object.freeze(obj.x); "
+ "Object.isFrozen(obj.x);";
+
+ CHECK(v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->BooleanValue(env.local())
+ .FromJust());
+}
+
+// Check that the descriptor passed to the callback is enumerable.
+namespace {
+void CheckEnumerablePropertyDefineCallback(
+ Local<Name> name, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ CHECK(desc.has_value());
+ CHECK_EQ(42, desc.value()
+ ->Int32Value(info.GetIsolate()->GetCurrentContext())
+ .FromJust());
+ CHECK(desc.has_enumerable());
+ CHECK(desc.enumerable());
+ CHECK(!desc.has_writable());
+
+ // intercept the callback by setting a non-empty handle
+ info.GetReturnValue().Set(name);
+}
+} // namespace
+THREADED_TEST(PropertyDefinerCallbackEnumerable) {
+ v8::HandleScope scope(CcTest::isolate());
+ LocalContext env;
+ v8::Local<v8::FunctionTemplate> templ =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, CheckEnumerablePropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+ const char* code =
+ "obj.x = 17; "
+ "Object.defineProperty(obj, 'x', {value: 42, enumerable: true});"
+ "obj.x;";
+ CHECK_EQ(17, v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->Int32Value(env.local())
+ .FromJust());
+}
+
+// Check that the descriptor passed to the callback is configurable.
+namespace {
+void CheckConfigurablePropertyDefineCallback(
+ Local<Name> name, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ CHECK(desc.has_value());
+ CHECK_EQ(42, desc.value()
+ ->Int32Value(info.GetIsolate()->GetCurrentContext())
+ .FromJust());
+ CHECK(desc.has_configurable());
+ CHECK(desc.configurable());
+
+ // intercept the callback by setting a non-empty handle
+ info.GetReturnValue().Set(name);
+}
+} // namespace
+THREADED_TEST(PropertyDefinerCallbackConfigurable) {
+ v8::HandleScope scope(CcTest::isolate());
+ LocalContext env;
+ v8::Local<v8::FunctionTemplate> templ =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, CheckConfigurablePropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+ const char* code =
+ "obj.x = 17; "
+ "Object.defineProperty(obj, 'x', {value: 42, configurable: true});"
+ "obj.x;";
+ CHECK_EQ(17, v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->Int32Value(env.local())
+ .FromJust());
+}
+
+// Check that the descriptor passed to the callback is writable.
+namespace {
+void CheckWritablePropertyDefineCallback(
+ Local<Name> name, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ CHECK(desc.has_writable());
+ CHECK(desc.writable());
+
+ // intercept the callback by setting a non-empty handle
+ info.GetReturnValue().Set(name);
+}
+} // namespace
+THREADED_TEST(PropertyDefinerCallbackWritable) {
+ v8::HandleScope scope(CcTest::isolate());
+ LocalContext env;
+ v8::Local<v8::FunctionTemplate> templ =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, CheckWritablePropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+ const char* code =
+ "obj.x = 17; "
+ "Object.defineProperty(obj, 'x', {value: 42, writable: true});"
+ "obj.x;";
+ CHECK_EQ(17, v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->Int32Value(env.local())
+ .FromJust());
+}
+
+// Check that the descriptor passed to the callback has a getter.
+namespace {
+void CheckGetterPropertyDefineCallback(
+ Local<Name> name, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ CHECK(desc.has_get());
+ CHECK(!desc.has_set());
+ // intercept the callback by setting a non-empty handle
+ info.GetReturnValue().Set(name);
+}
+} // namespace
+THREADED_TEST(PropertyDefinerCallbackWithGetter) {
+ v8::HandleScope scope(CcTest::isolate());
+ LocalContext env;
+ v8::Local<v8::FunctionTemplate> templ =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, CheckGetterPropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+ const char* code =
+ "obj.x = 17;"
+ "Object.defineProperty(obj, 'x', {get: function() {return 42;}});"
+ "obj.x;";
+ CHECK_EQ(17, v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->Int32Value(env.local())
+ .FromJust());
+}
+
+// Check that the descriptor passed to the callback has a setter.
+namespace {
+void CheckSetterPropertyDefineCallback(
+ Local<Name> name, const v8::PropertyDescriptor& desc,
+ const v8::PropertyCallbackInfo<v8::Value>& info) {
+ CHECK(desc.has_set());
+ CHECK(!desc.has_get());
+ // intercept the callback by setting a non-empty handle
+ info.GetReturnValue().Set(name);
+}
+} // namespace
+THREADED_TEST(PropertyDefinerCallbackWithSetter) {
+ v8::HandleScope scope(CcTest::isolate());
+ LocalContext env;
+ v8::Local<v8::FunctionTemplate> templ =
+ v8::FunctionTemplate::New(CcTest::isolate());
+ templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
+ 0, 0, 0, 0, 0, CheckSetterPropertyDefineCallback));
+ env->Global()
+ ->Set(env.local(), v8_str("obj"), templ->GetFunction(env.local())
+ .ToLocalChecked()
+ ->NewInstance(env.local())
+ .ToLocalChecked())
+ .FromJust();
+ const char* code =
+ "Object.defineProperty(obj, 'x', {set: function() {return 42;}});"
+ "obj.x = 17;";
+ CHECK_EQ(17, v8_compile(code)
+ ->Run(env.local())
+ .ToLocalChecked()
+ ->Int32Value(env.local())
+ .FromJust());
+}
int echo_indexed_call_count = 0;
@@ -1150,12 +1446,12 @@ THREADED_TEST(PropertyHandlerInPrototype) {
templ->InstanceTemplate()->SetHandler(v8::IndexedPropertyHandlerConfiguration(
CheckThisIndexedPropertyHandler, CheckThisIndexedPropertySetter,
CheckThisIndexedPropertyQuery, CheckThisIndexedPropertyDeleter,
- CheckThisIndexedPropertyEnumerator));
+ CheckThisIndexedPropertyEnumerator, CheckThisIndexedPropertyDefiner));
templ->InstanceTemplate()->SetHandler(v8::NamedPropertyHandlerConfiguration(
CheckThisNamedPropertyHandler, CheckThisNamedPropertySetter,
CheckThisNamedPropertyQuery, CheckThisNamedPropertyDeleter,
- CheckThisNamedPropertyEnumerator));
+ CheckThisNamedPropertyEnumerator, CheckThisNamedPropertyDefiner));
bottom = templ->GetFunction(env.local())
.ToLocalChecked()
@@ -1192,6 +1488,10 @@ THREADED_TEST(PropertyHandlerInPrototype) {
// Enumerators.
CompileRun("for (var p in obj) ;");
+
+ // Indexed and named definer.
+ CompileRun("Object.defineProperty(obj, 2, {});");
+ CompileRun("Object.defineProperty(obj, 'z', {});");
}
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