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// Copyright 2014 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.
// Serialization warnings are only recorded in debug build.
#ifndef NDEBUG
#include <stddef.h>
#include <utility>
#include "mojo/public/cpp/bindings/array.h"
#include "mojo/public/cpp/bindings/lib/array_internal.h"
#include "mojo/public/cpp/bindings/lib/fixed_buffer.h"
#include "mojo/public/cpp/bindings/lib/serialization.h"
#include "mojo/public/cpp/bindings/lib/validation_errors.h"
#include "mojo/public/cpp/bindings/string.h"
#include "mojo/public/cpp/system/message_pipe.h"
#include "mojo/public/interfaces/bindings/tests/serialization_test_structs.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace mojo {
namespace test {
namespace {
using mojo::internal::ArrayValidateParams;
// Creates an array of arrays of handles (2 X 3) for testing.
Array<Array<ScopedHandle>> CreateTestNestedHandleArray() {
Array<Array<ScopedHandle>> array(2);
for (size_t i = 0; i < array.size(); ++i) {
Array<ScopedHandle> nested_array(3);
for (size_t j = 0; j < nested_array.size(); ++j) {
MessagePipe pipe;
nested_array[j] = ScopedHandle::From(std::move(pipe.handle1));
}
array[i] = std::move(nested_array);
}
return array;
}
class SerializationWarningTest : public testing::Test {
public:
~SerializationWarningTest() override {}
protected:
template <typename T>
void TestWarning(StructPtr<T> obj,
mojo::internal::ValidationError expected_warning) {
TestStructWarningImpl<T>(std::move(obj), expected_warning);
}
template <typename T>
void TestWarning(InlinedStructPtr<T> obj,
mojo::internal::ValidationError expected_warning) {
TestStructWarningImpl<T>(std::move(obj), expected_warning);
}
template <typename T, typename TPtr>
void TestStructWarningImpl(TPtr obj,
mojo::internal::ValidationError expected_warning) {
warning_observer_.set_last_warning(mojo::internal::VALIDATION_ERROR_NONE);
mojo::internal::FixedBufferForTesting buf(GetSerializedSize_(obj, nullptr));
typename T::Data_* data;
Serialize_(std::move(obj), &buf, &data, nullptr);
EXPECT_EQ(expected_warning, warning_observer_.last_warning());
}
template <typename T>
void TestArrayWarning(T obj,
mojo::internal::ValidationError expected_warning,
const ArrayValidateParams* validate_params) {
warning_observer_.set_last_warning(mojo::internal::VALIDATION_ERROR_NONE);
mojo::internal::FixedBufferForTesting buf(GetSerializedSize_(obj, nullptr));
typename T::Data_* data;
SerializeArray_(std::move(obj), &buf, &data, validate_params, nullptr);
EXPECT_EQ(expected_warning, warning_observer_.last_warning());
}
mojo::internal::SerializationWarningObserverForTesting warning_observer_;
};
TEST_F(SerializationWarningTest, HandleInStruct) {
Struct2Ptr test_struct(Struct2::New());
EXPECT_FALSE(test_struct->hdl.is_valid());
TestWarning(std::move(test_struct),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE);
test_struct = Struct2::New();
MessagePipe pipe;
test_struct->hdl = ScopedHandle::From(std::move(pipe.handle1));
TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
}
TEST_F(SerializationWarningTest, StructInStruct) {
Struct3Ptr test_struct(Struct3::New());
EXPECT_TRUE(!test_struct->struct_1);
TestWarning(std::move(test_struct),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
test_struct = Struct3::New();
test_struct->struct_1 = Struct1::New();
TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
}
TEST_F(SerializationWarningTest, ArrayOfStructsInStruct) {
Struct4Ptr test_struct(Struct4::New());
EXPECT_TRUE(!test_struct->data);
TestWarning(std::move(test_struct),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
test_struct = Struct4::New();
test_struct->data.resize(1);
TestWarning(std::move(test_struct),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
test_struct = Struct4::New();
test_struct->data.resize(0);
TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
test_struct = Struct4::New();
test_struct->data.resize(1);
test_struct->data[0] = Struct1::New();
TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
}
TEST_F(SerializationWarningTest, FixedArrayOfStructsInStruct) {
Struct5Ptr test_struct(Struct5::New());
EXPECT_TRUE(!test_struct->pair);
TestWarning(std::move(test_struct),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
test_struct = Struct5::New();
test_struct->pair.resize(1);
test_struct->pair[0] = Struct1::New();
TestWarning(std::move(test_struct),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_ARRAY_HEADER);
test_struct = Struct5::New();
test_struct->pair.resize(2);
test_struct->pair[0] = Struct1::New();
test_struct->pair[1] = Struct1::New();
TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
}
TEST_F(SerializationWarningTest, StringInStruct) {
Struct6Ptr test_struct(Struct6::New());
EXPECT_TRUE(!test_struct->str);
TestWarning(std::move(test_struct),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER);
test_struct = Struct6::New();
test_struct->str = "hello world";
TestWarning(std::move(test_struct), mojo::internal::VALIDATION_ERROR_NONE);
}
TEST_F(SerializationWarningTest, ArrayOfArraysOfHandles) {
Array<Array<ScopedHandle>> test_array = CreateTestNestedHandleArray();
test_array[0] = nullptr;
test_array[1][0] = ScopedHandle();
ArrayValidateParams validate_params_0(
0, true, new ArrayValidateParams(0, true, nullptr));
TestArrayWarning(std::move(test_array), mojo::internal::VALIDATION_ERROR_NONE,
&validate_params_0);
test_array = CreateTestNestedHandleArray();
test_array[0] = nullptr;
ArrayValidateParams validate_params_1(
0, false, new ArrayValidateParams(0, true, nullptr));
TestArrayWarning(std::move(test_array),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER,
&validate_params_1);
test_array = CreateTestNestedHandleArray();
test_array[1][0] = ScopedHandle();
ArrayValidateParams validate_params_2(
0, true, new ArrayValidateParams(0, false, nullptr));
TestArrayWarning(std::move(test_array),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_INVALID_HANDLE,
&validate_params_2);
}
TEST_F(SerializationWarningTest, ArrayOfStrings) {
Array<String> test_array(3);
for (size_t i = 0; i < test_array.size(); ++i)
test_array[i] = "hello";
ArrayValidateParams validate_params_0(
0, true, new ArrayValidateParams(0, false, nullptr));
TestArrayWarning(std::move(test_array), mojo::internal::VALIDATION_ERROR_NONE,
&validate_params_0);
test_array = Array<String>(3);
for (size_t i = 0; i < test_array.size(); ++i)
test_array[i] = nullptr;
ArrayValidateParams validate_params_1(
0, false, new ArrayValidateParams(0, false, nullptr));
TestArrayWarning(std::move(test_array),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_NULL_POINTER,
&validate_params_1);
test_array = Array<String>(2);
ArrayValidateParams validate_params_2(
3, true, new ArrayValidateParams(0, false, nullptr));
TestArrayWarning(std::move(test_array),
mojo::internal::VALIDATION_ERROR_UNEXPECTED_ARRAY_HEADER,
&validate_params_2);
}
} // namespace
} // namespace test
} // namespace mojo
#endif
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