| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <cmath> |
| |
| #include "base/memory/scoped_ptr.h" |
| #include "base/values.h" |
| #include "content/renderer/v8_value_converter.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "v8/include/v8.h" |
| |
| class V8ValueConverterTest : public testing::Test { |
| protected: |
| virtual void SetUp() { |
| v8::HandleScope handle_scope; |
| v8::Handle<v8::ObjectTemplate> global = v8::ObjectTemplate::New(); |
| context_ = v8::Context::New(NULL, global); |
| } |
| |
| virtual void TearDown() { |
| context_.Dispose(); |
| } |
| |
| std::string GetString(DictionaryValue* value, const std::string& key) { |
| std::string temp; |
| if (!value->GetString(key, &temp)) { |
| ADD_FAILURE(); |
| return ""; |
| } |
| return temp; |
| } |
| |
| std::string GetString(v8::Handle<v8::Object> value, const std::string& key) { |
| v8::Handle<v8::String> temp = |
| value->Get(v8::String::New(key.c_str())).As<v8::String>(); |
| if (temp.IsEmpty()) { |
| ADD_FAILURE(); |
| return ""; |
| } |
| v8::String::Utf8Value utf8(temp); |
| return std::string(*utf8, utf8.length()); |
| } |
| |
| std::string GetString(ListValue* value, uint32 index) { |
| std::string temp; |
| if (!value->GetString(static_cast<size_t>(index), &temp)) { |
| ADD_FAILURE(); |
| return ""; |
| } |
| return temp; |
| } |
| |
| std::string GetString(v8::Handle<v8::Array> value, uint32 index) { |
| v8::Handle<v8::String> temp = value->Get(index).As<v8::String>(); |
| if (temp.IsEmpty()) { |
| ADD_FAILURE(); |
| return ""; |
| } |
| v8::String::Utf8Value utf8(temp); |
| return std::string(*utf8, utf8.length()); |
| } |
| |
| bool IsNull(DictionaryValue* value, const std::string& key) { |
| Value* child = NULL; |
| if (!value->Get(key, &child)) { |
| ADD_FAILURE(); |
| return false; |
| } |
| return child->GetType() == Value::TYPE_NULL; |
| } |
| |
| bool IsNull(v8::Handle<v8::Object> value, const std::string& key) { |
| v8::Handle<v8::Value> child = value->Get(v8::String::New(key.c_str())); |
| if (child.IsEmpty()) { |
| ADD_FAILURE(); |
| return false; |
| } |
| return child->IsNull(); |
| } |
| |
| bool IsNull(ListValue* value, uint32 index) { |
| Value* child = NULL; |
| if (!value->Get(static_cast<size_t>(index), &child)) { |
| ADD_FAILURE(); |
| return false; |
| } |
| return child->GetType() == Value::TYPE_NULL; |
| } |
| |
| bool IsNull(v8::Handle<v8::Array> value, uint32 index) { |
| v8::Handle<v8::Value> child = value->Get(index); |
| if (child.IsEmpty()) { |
| ADD_FAILURE(); |
| return false; |
| } |
| return child->IsNull(); |
| } |
| |
| void TestWeirdType(const V8ValueConverter& converter, |
| v8::Handle<v8::Value> val, |
| base::Value::Type expected_type, |
| Value* expected_value) { |
| scoped_ptr<Value> raw(converter.FromV8Value(val, context_)); |
| ASSERT_TRUE(raw.get()); |
| EXPECT_EQ(expected_type, raw->GetType()); |
| if (expected_value) |
| EXPECT_TRUE(expected_value->Equals(raw.get())); |
| |
| v8::Handle<v8::Object> object(v8::Object::New()); |
| object->Set(v8::String::New("test"), val); |
| scoped_ptr<DictionaryValue> dictionary( |
| static_cast<DictionaryValue*>( |
| converter.FromV8Value(object, context_))); |
| ASSERT_TRUE(dictionary.get()); |
| Value* temp = NULL; |
| ASSERT_TRUE(dictionary->Get("test", &temp)); |
| EXPECT_EQ(expected_type, temp->GetType()); |
| if (expected_value) |
| EXPECT_TRUE(expected_value->Equals(temp)); |
| |
| v8::Handle<v8::Array> array(v8::Array::New()); |
| array->Set(0, val); |
| scoped_ptr<ListValue> list( |
| static_cast<ListValue*>( |
| converter.FromV8Value(array, context_))); |
| ASSERT_TRUE(list.get()); |
| ASSERT_TRUE(list->Get(0, &temp)); |
| EXPECT_EQ(expected_type, temp->GetType()); |
| if (expected_value) |
| EXPECT_TRUE(expected_value->Equals(temp)); |
| } |
| |
| // Context for the JavaScript in the test. |
| v8::Persistent<v8::Context> context_; |
| }; |
| |
| TEST_F(V8ValueConverterTest, BasicRoundTrip) { |
| DictionaryValue original_root; |
| original_root.Set("null", Value::CreateNullValue()); |
| original_root.Set("true", Value::CreateBooleanValue(true)); |
| original_root.Set("false", Value::CreateBooleanValue(false)); |
| original_root.Set("positive-int", Value::CreateIntegerValue(42)); |
| original_root.Set("negative-int", Value::CreateIntegerValue(-42)); |
| original_root.Set("zero", Value::CreateIntegerValue(0)); |
| original_root.Set("double", Value::CreateDoubleValue(88.8)); |
| original_root.Set("big-integral-double", |
| Value::CreateDoubleValue(pow(2.0, 53))); |
| original_root.Set("string", Value::CreateStringValue("foobar")); |
| original_root.Set("empty-string", Value::CreateStringValue("")); |
| |
| DictionaryValue* original_sub1 = new DictionaryValue(); |
| original_sub1->Set("foo", Value::CreateStringValue("bar")); |
| original_sub1->Set("hot", Value::CreateStringValue("dog")); |
| original_root.Set("dictionary", original_sub1); |
| original_root.Set("empty-dictionary", new DictionaryValue()); |
| |
| ListValue* original_sub2 = new ListValue(); |
| original_sub2->Append(Value::CreateStringValue("monkey")); |
| original_sub2->Append(Value::CreateStringValue("balls")); |
| original_root.Set("list", original_sub2); |
| original_root.Set("empty-list", new ListValue()); |
| |
| v8::Context::Scope context_scope(context_); |
| v8::HandleScope handle_scope; |
| |
| V8ValueConverter converter; |
| v8::Handle<v8::Object> v8_object = |
| converter.ToV8Value(&original_root, context_).As<v8::Object>(); |
| ASSERT_FALSE(v8_object.IsEmpty()); |
| |
| EXPECT_EQ(original_root.size(), v8_object->GetPropertyNames()->Length()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("null"))->IsNull()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("true"))->IsTrue()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("false"))->IsFalse()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("positive-int"))->IsInt32()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("negative-int"))->IsInt32()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("zero"))->IsInt32()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("double"))->IsNumber()); |
| EXPECT_TRUE( |
| v8_object->Get(v8::String::New("big-integral-double"))->IsNumber()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("string"))->IsString()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("empty-string"))->IsString()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("dictionary"))->IsObject()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("empty-dictionary"))->IsObject()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("list"))->IsArray()); |
| EXPECT_TRUE(v8_object->Get(v8::String::New("empty-list"))->IsArray()); |
| |
| scoped_ptr<Value> new_root(converter.FromV8Value(v8_object, context_)); |
| EXPECT_NE(&original_root, new_root.get()); |
| EXPECT_TRUE(original_root.Equals(new_root.get())); |
| } |
| |
| TEST_F(V8ValueConverterTest, KeysWithDots) { |
| DictionaryValue original; |
| original.SetWithoutPathExpansion("foo.bar", Value::CreateStringValue("baz")); |
| |
| v8::Context::Scope context_scope(context_); |
| v8::HandleScope handle_scope; |
| |
| V8ValueConverter converter; |
| scoped_ptr<Value> copy( |
| converter.FromV8Value( |
| converter.ToV8Value(&original, context_), context_)); |
| |
| EXPECT_TRUE(original.Equals(copy.get())); |
| } |
| |
| TEST_F(V8ValueConverterTest, ObjectExceptions) { |
| v8::Context::Scope context_scope(context_); |
| v8::HandleScope handle_scope; |
| |
| // Set up objects to throw when reading or writing 'foo'. |
| const char* source = |
| "Object.prototype.__defineSetter__('foo', " |
| " function() { throw new Error('muah!'); });" |
| "Object.prototype.__defineGetter__('foo', " |
| " function() { throw new Error('muah!'); });"; |
| |
| v8::Handle<v8::Script> script(v8::Script::New(v8::String::New(source))); |
| script->Run(); |
| |
| v8::Handle<v8::Object> object(v8::Object::New()); |
| object->Set(v8::String::New("bar"), v8::String::New("bar")); |
| |
| // Converting from v8 value should replace the foo property with null. |
| V8ValueConverter converter; |
| scoped_ptr<DictionaryValue> converted(static_cast<DictionaryValue*>( |
| converter.FromV8Value(object, context_))); |
| EXPECT_TRUE(converted.get()); |
| // http://code.google.com/p/v8/issues/detail?id=1342 |
| // EXPECT_EQ(2u, converted->size()); |
| // EXPECT_TRUE(IsNull(converted.get(), "foo")); |
| EXPECT_EQ(1u, converted->size()); |
| EXPECT_EQ("bar", GetString(converted.get(), "bar")); |
| |
| // Converting to v8 value should drop the foo property. |
| converted->SetString("foo", "foo"); |
| v8::Handle<v8::Object> copy = |
| converter.ToV8Value(converted.get(), context_).As<v8::Object>(); |
| EXPECT_FALSE(copy.IsEmpty()); |
| EXPECT_EQ(2u, copy->GetPropertyNames()->Length()); |
| EXPECT_EQ("bar", GetString(copy, "bar")); |
| } |
| |
| TEST_F(V8ValueConverterTest, ArrayExceptions) { |
| v8::Context::Scope context_scope(context_); |
| v8::HandleScope handle_scope; |
| |
| const char* source = "(function() {" |
| "var arr = [];" |
| "arr.__defineSetter__(0, " |
| " function() { throw new Error('muah!'); });" |
| "arr.__defineGetter__(0, " |
| " function() { throw new Error('muah!'); });" |
| "arr[1] = 'bar';" |
| "return arr;" |
| "})();"; |
| |
| v8::Handle<v8::Script> script(v8::Script::New(v8::String::New(source))); |
| v8::Handle<v8::Array> array = script->Run().As<v8::Array>(); |
| ASSERT_FALSE(array.IsEmpty()); |
| |
| // Converting from v8 value should replace the first item with null. |
| V8ValueConverter converter; |
| scoped_ptr<ListValue> converted(static_cast<ListValue*>( |
| converter.FromV8Value(array, context_))); |
| ASSERT_TRUE(converted.get()); |
| // http://code.google.com/p/v8/issues/detail?id=1342 |
| EXPECT_EQ(2u, converted->GetSize()); |
| EXPECT_TRUE(IsNull(converted.get(), 0)); |
| |
| // Converting to v8 value should drop the first item and leave a hole. |
| converted.reset(new ListValue()); |
| converted->Append(Value::CreateStringValue("foo")); |
| converted->Append(Value::CreateStringValue("bar")); |
| v8::Handle<v8::Array> copy = |
| converter.ToV8Value(converted.get(), context_).As<v8::Array>(); |
| ASSERT_FALSE(copy.IsEmpty()); |
| EXPECT_EQ(2u, copy->Length()); |
| EXPECT_EQ("bar", GetString(copy, 1)); |
| } |
| |
| TEST_F(V8ValueConverterTest, WeirdTypes) { |
| v8::Context::Scope context_scope(context_); |
| v8::HandleScope handle_scope; |
| |
| v8::Handle<v8::RegExp> regex( |
| v8::RegExp::New(v8::String::New("."), v8::RegExp::kNone)); |
| |
| V8ValueConverter converter; |
| TestWeirdType(converter, v8::Undefined(), Value::TYPE_NULL, NULL); |
| TestWeirdType(converter, v8::Date::New(1000), Value::TYPE_DICTIONARY, NULL); |
| TestWeirdType(converter, regex, Value::TYPE_DICTIONARY, NULL); |
| |
| converter.set_allow_undefined(true); |
| TestWeirdType(converter, v8::Undefined(), Value::TYPE_NULL, NULL); |
| |
| converter.set_allow_date(true); |
| TestWeirdType(converter, v8::Date::New(1000), Value::TYPE_DOUBLE, |
| Value::CreateDoubleValue(1)); |
| |
| converter.set_allow_regexp(true); |
| TestWeirdType(converter, regex, Value::TYPE_STRING, |
| Value::CreateStringValue("/./")); |
| } |
| |
| TEST_F(V8ValueConverterTest, Prototype) { |
| v8::Context::Scope context_scope(context_); |
| v8::HandleScope handle_scope; |
| |
| const char* source = "(function() {" |
| "Object.prototype.foo = 'foo';" |
| "return {};" |
| "})();"; |
| |
| v8::Handle<v8::Script> script(v8::Script::New(v8::String::New(source))); |
| v8::Handle<v8::Object> object = script->Run().As<v8::Object>(); |
| ASSERT_FALSE(object.IsEmpty()); |
| |
| V8ValueConverter converter; |
| scoped_ptr<DictionaryValue> result( |
| static_cast<DictionaryValue*>(converter.FromV8Value(object, context_))); |
| ASSERT_TRUE(result.get()); |
| EXPECT_EQ(0u, result->size()); |
| } |