1 files changed, 176 insertions, 0 deletions
diff --git a/deps/v8/test/unittests/api/interceptor-unittest.cc b/deps/v8/test/unittests/api/interceptor-unittest.cc
index 2f9f0e459e..b13384f18a 100644
--- a/deps/v8/test/unittests/api/interceptor-unittest.cc
+++ b/deps/v8/test/unittests/api/interceptor-unittest.cc
@@ -29,4 +29,180 @@ TEST_F(InterceptorTest, FreezeApiObjectWithInterceptor) {
 }
 
 }  // namespace
+
+namespace internal {
+namespace {
+
+class InterceptorLoggingTest : public TestWithNativeContext {
+ public:
+  InterceptorLoggingTest() {}
+
+  static const int kTestIndex = 0;
+
+  static void NamedPropertyGetter(Local<v8::Name> name,
+                                  const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "named getter");
+  }
+
+  static void NamedPropertySetter(Local<v8::Name> name, Local<v8::Value> value,
+                                  const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "named setter");
+  }
+
+  static void NamedPropertyQuery(
+      Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Integer>& info) {
+    LogCallback(info, "named query");
+  }
+
+  static void NamedPropertyDeleter(
+      Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Boolean>& info) {
+    LogCallback(info, "named deleter");
+  }
+
+  static void NamedPropertyEnumerator(
+      const v8::PropertyCallbackInfo<Array>& info) {
+    LogCallback(info, "named enumerator");
+  }
+
+  static void NamedPropertyDefiner(
+      Local<v8::Name> name, const v8::PropertyDescriptor& desc,
+      const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "named definer");
+  }
+
+  static void NamedPropertyDescriptor(
+      Local<v8::Name> name, const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "named descriptor");
+  }
+
+  static void IndexedPropertyGetter(
+      uint32_t index, const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "indexed getter");
+  }
+
+  static void IndexedPropertySetter(
+      uint32_t index, Local<v8::Value> value,
+      const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "indexed setter");
+  }
+
+  static void IndexedPropertyQuery(
+      uint32_t index, const v8::PropertyCallbackInfo<v8::Integer>& info) {
+    LogCallback(info, "indexed query");
+  }
+
+  static void IndexedPropertyDeleter(
+      uint32_t index, const v8::PropertyCallbackInfo<v8::Boolean>& info) {
+    LogCallback(info, "indexed deleter");
+  }
+
+  static void IndexedPropertyEnumerator(
+      const v8::PropertyCallbackInfo<Array>& info) {
+    LogCallback(info, "indexed enumerator");
+  }
+
+  static void IndexedPropertyDefiner(
+      uint32_t index, const v8::PropertyDescriptor& desc,
+      const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "indexed definer");
+  }
+
+  static void IndexedPropertyDescriptor(
+      uint32_t index, const v8::PropertyCallbackInfo<Value>& info) {
+    LogCallback(info, "indexed descriptor");
+  }
+
+  template <class T>
+  static void LogCallback(const v8::PropertyCallbackInfo<T>& info,
+                          const char* callback_name) {
+    InterceptorLoggingTest* test = reinterpret_cast<InterceptorLoggingTest*>(
+        info.This()->GetAlignedPointerFromInternalField(kTestIndex));
+    test->Log(callback_name);
+  }
+
+  void Log(const char* callback_name) {
+    if (log_is_empty_) {
+      log_is_empty_ = false;
+    } else {
+      log_ << ", ";
+    }
+    log_ << callback_name;
+  }
+
+ protected:
+  void SetUp() override {
+    // Set up the object that supports full interceptors.
+    v8::Local<v8::ObjectTemplate> templ = v8::ObjectTemplate::New(v8_isolate());
+    templ->SetInternalFieldCount(1);
+    templ->SetHandler(v8::NamedPropertyHandlerConfiguration(
+        NamedPropertyGetter, NamedPropertySetter, NamedPropertyQuery,
+        NamedPropertyDeleter, NamedPropertyEnumerator, NamedPropertyDefiner,
+        NamedPropertyDescriptor));
+    templ->SetHandler(v8::IndexedPropertyHandlerConfiguration(
+        IndexedPropertyGetter, IndexedPropertySetter, IndexedPropertyQuery,
+        IndexedPropertyDeleter, IndexedPropertyEnumerator,
+        IndexedPropertyDefiner, IndexedPropertyDescriptor));
+    v8::Local<v8::Object> instance =
+        templ->NewInstance(context()).ToLocalChecked();
+    instance->SetAlignedPointerInInternalField(kTestIndex, this);
+    SetGlobalProperty("obj", instance);
+  }
+
+  std::string Run(const char* script) {
+    log_is_empty_ = true;
+    log_.str(std::string());
+    log_.clear();
+
+    RunJS(script);
+    return log_.str();
+  }
+
+ private:
+  bool log_is_empty_ = false;
+  std::stringstream log_;
+};
+
+TEST_F(InterceptorLoggingTest, DispatchTest) {
+  EXPECT_EQ(Run("for (var p in obj) {}"),
+            "indexed enumerator, named enumerator");
+  EXPECT_EQ(Run("Object.keys(obj)"), "indexed enumerator, named enumerator");
+
+  EXPECT_EQ(Run("obj.foo"), "named getter");
+  EXPECT_EQ(Run("obj[42]"), "indexed getter");
+
+  EXPECT_EQ(Run("obj.foo = null"), "named setter");
+  EXPECT_EQ(Run("obj[42] = null"), "indexed setter");
+
+  EXPECT_EQ(Run("Object.getOwnPropertyDescriptor(obj, 'foo')"),
+            "named descriptor");
+
+  EXPECT_EQ(Run("Object.getOwnPropertyDescriptor(obj, 42)"),
+            "indexed descriptor");
+
+  EXPECT_EQ(Run("Object.defineProperty(obj, 'foo', {value: 42})"),
+            "named descriptor, named definer, named setter");
+  EXPECT_EQ(Run("Object.defineProperty(obj, 'foo', {get(){} })"),
+            "named descriptor, named definer");
+  EXPECT_EQ(Run("Object.defineProperty(obj, 'foo', {set(value){}})"),
+            "named descriptor, named definer");
+  EXPECT_EQ(Run("Object.defineProperty(obj, 'foo', {get(){}, set(value){}})"),
+            "named descriptor, named definer");
+
+  EXPECT_EQ(Run("Object.defineProperty(obj, 42, {value: 'foo'})"),
+            "indexed descriptor, "
+            // then attempt definer first and fallback to setter.
+            "indexed definer, indexed setter");
+
+  EXPECT_EQ(Run("Object.prototype.propertyIsEnumerable.call(obj, 'a')"),
+            "named query");
+  EXPECT_EQ(Run("Object.prototype.propertyIsEnumerable.call(obj, 42)"),
+            "indexed query");
+
+  EXPECT_EQ(Run("Object.prototype.hasOwnProperty.call(obj, 'a')"),
+            "named query");
+  // TODO(cbruni): Fix once hasOnwProperty is fixed (https://crbug.com/872628)
+  EXPECT_EQ(Run("Object.prototype.hasOwnProperty.call(obj, '42')"), "");
+}
+}  // namespace
+}  // namespace internal
 }  // namespace v8