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// Copyright 2019 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "tests/unittests/wire/WireTest.h"
using namespace testing;
using namespace dawn_wire;
namespace {
// Mock classes to add expectations on the wire calling callbacks
class MockDeviceErrorCallback {
public:
MOCK_METHOD(void, Call, (WGPUErrorType type, const char* message, void* userdata));
};
std::unique_ptr<StrictMock<MockDeviceErrorCallback>> mockDeviceErrorCallback;
void ToMockDeviceErrorCallback(WGPUErrorType type, const char* message, void* userdata) {
mockDeviceErrorCallback->Call(type, message, userdata);
}
class MockDevicePopErrorScopeCallback {
public:
MOCK_METHOD(void, Call, (WGPUErrorType type, const char* message, void* userdata));
};
std::unique_ptr<StrictMock<MockDevicePopErrorScopeCallback>> mockDevicePopErrorScopeCallback;
void ToMockDevicePopErrorScopeCallback(WGPUErrorType type,
const char* message,
void* userdata) {
mockDevicePopErrorScopeCallback->Call(type, message, userdata);
}
class MockDeviceLostCallback {
public:
MOCK_METHOD(void, Call, (const char* message, void* userdata));
};
std::unique_ptr<StrictMock<MockDeviceLostCallback>> mockDeviceLostCallback;
void ToMockDeviceLostCallback(const char* message, void* userdata) {
mockDeviceLostCallback->Call(message, userdata);
}
} // anonymous namespace
class WireErrorCallbackTests : public WireTest {
public:
WireErrorCallbackTests() {
}
~WireErrorCallbackTests() override = default;
void SetUp() override {
WireTest::SetUp();
mockDeviceErrorCallback = std::make_unique<StrictMock<MockDeviceErrorCallback>>();
mockDevicePopErrorScopeCallback = std::make_unique<StrictMock<MockDevicePopErrorScopeCallback>>();
mockDeviceLostCallback = std::make_unique<StrictMock<MockDeviceLostCallback>>();
}
void TearDown() override {
WireTest::TearDown();
mockDeviceErrorCallback = nullptr;
mockDevicePopErrorScopeCallback = nullptr;
mockDeviceLostCallback = nullptr;
}
void FlushServer() {
WireTest::FlushServer();
Mock::VerifyAndClearExpectations(&mockDeviceErrorCallback);
Mock::VerifyAndClearExpectations(&mockDevicePopErrorScopeCallback);
}
};
// Test the return wire for device error callbacks
TEST_F(WireErrorCallbackTests, DeviceErrorCallback) {
wgpuDeviceSetUncapturedErrorCallback(device, ToMockDeviceErrorCallback, this);
// Setting the error callback should stay on the client side and do nothing
FlushClient();
// Calling the callback on the server side will result in the callback being called on the
// client side
api.CallDeviceErrorCallback(apiDevice, WGPUErrorType_Validation, "Some error message");
EXPECT_CALL(*mockDeviceErrorCallback,
Call(WGPUErrorType_Validation, StrEq("Some error message"), this))
.Times(1);
FlushServer();
}
// Test the return wire for error scopes.
TEST_F(WireErrorCallbackTests, PushPopErrorScopeCallback) {
wgpuDevicePushErrorScope(device, WGPUErrorFilter_Validation);
EXPECT_CALL(api, DevicePushErrorScope(apiDevice, WGPUErrorFilter_Validation)).Times(1);
FlushClient();
wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this);
WGPUErrorCallback callback;
void* userdata;
EXPECT_CALL(api, OnDevicePopErrorScopeCallback(apiDevice, _, _))
.WillOnce(DoAll(SaveArg<1>(&callback), SaveArg<2>(&userdata), Return(true)));
FlushClient();
callback(WGPUErrorType_Validation, "Some error message", userdata);
EXPECT_CALL(*mockDevicePopErrorScopeCallback,
Call(WGPUErrorType_Validation, StrEq("Some error message"), this))
.Times(1);
FlushServer();
}
// Test the return wire for error scopes when callbacks return in a various orders.
TEST_F(WireErrorCallbackTests, PopErrorScopeCallbackOrdering) {
// Two error scopes are popped, and the first one returns first.
{
wgpuDevicePushErrorScope(device, WGPUErrorFilter_Validation);
wgpuDevicePushErrorScope(device, WGPUErrorFilter_Validation);
EXPECT_CALL(api, DevicePushErrorScope(apiDevice, WGPUErrorFilter_Validation)).Times(2);
FlushClient();
wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this);
wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this + 1);
WGPUErrorCallback callback1;
WGPUErrorCallback callback2;
void* userdata1;
void* userdata2;
EXPECT_CALL(api, OnDevicePopErrorScopeCallback(apiDevice, _, _))
.WillOnce(DoAll(SaveArg<1>(&callback1), SaveArg<2>(&userdata1), Return(true)))
.WillOnce(DoAll(SaveArg<1>(&callback2), SaveArg<2>(&userdata2), Return(true)));
FlushClient();
callback1(WGPUErrorType_Validation, "First error message", userdata1);
EXPECT_CALL(*mockDevicePopErrorScopeCallback,
Call(WGPUErrorType_Validation, StrEq("First error message"), this))
.Times(1);
FlushServer();
callback2(WGPUErrorType_Validation, "Second error message", userdata2);
EXPECT_CALL(*mockDevicePopErrorScopeCallback,
Call(WGPUErrorType_Validation, StrEq("Second error message"), this + 1))
.Times(1);
FlushServer();
}
// Two error scopes are popped, and the second one returns first.
{
wgpuDevicePushErrorScope(device, WGPUErrorFilter_Validation);
wgpuDevicePushErrorScope(device, WGPUErrorFilter_Validation);
EXPECT_CALL(api, DevicePushErrorScope(apiDevice, WGPUErrorFilter_Validation)).Times(2);
FlushClient();
wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this);
wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this + 1);
WGPUErrorCallback callback1;
WGPUErrorCallback callback2;
void* userdata1;
void* userdata2;
EXPECT_CALL(api, OnDevicePopErrorScopeCallback(apiDevice, _, _))
.WillOnce(DoAll(SaveArg<1>(&callback1), SaveArg<2>(&userdata1), Return(true)))
.WillOnce(DoAll(SaveArg<1>(&callback2), SaveArg<2>(&userdata2), Return(true)));
FlushClient();
callback2(WGPUErrorType_Validation, "Second error message", userdata2);
EXPECT_CALL(*mockDevicePopErrorScopeCallback,
Call(WGPUErrorType_Validation, StrEq("Second error message"), this + 1))
.Times(1);
FlushServer();
callback1(WGPUErrorType_Validation, "First error message", userdata1);
EXPECT_CALL(*mockDevicePopErrorScopeCallback,
Call(WGPUErrorType_Validation, StrEq("First error message"), this))
.Times(1);
FlushServer();
}
}
// Test the return wire for error scopes in flight when the device is destroyed.
TEST_F(WireErrorCallbackTests, PopErrorScopeDeviceDestroyed) {
wgpuDevicePushErrorScope(device, WGPUErrorFilter_Validation);
EXPECT_CALL(api, DevicePushErrorScope(apiDevice, WGPUErrorFilter_Validation)).Times(1);
FlushClient();
EXPECT_TRUE(wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this));
EXPECT_CALL(api, OnDevicePopErrorScopeCallback(apiDevice, _, _))
.WillOnce(Return(true));
FlushClient();
// Incomplete callback called in Device destructor.
EXPECT_CALL(*mockDevicePopErrorScopeCallback,
Call(WGPUErrorType_Unknown, ValidStringMessage(), this))
.Times(1);
}
// Test that PopErrorScope returns false if there are no error scopes.
TEST_F(WireErrorCallbackTests, PopErrorScopeEmptyStack) {
// Empty stack
{ EXPECT_FALSE(wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this)); }
// Pop too many times
{
wgpuDevicePushErrorScope(device, WGPUErrorFilter_Validation);
EXPECT_CALL(api, DevicePushErrorScope(apiDevice, WGPUErrorFilter_Validation)).Times(1);
EXPECT_TRUE(wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this));
EXPECT_FALSE(wgpuDevicePopErrorScope(device, ToMockDevicePopErrorScopeCallback, this + 1));
WGPUErrorCallback callback;
void* userdata;
EXPECT_CALL(api, OnDevicePopErrorScopeCallback(apiDevice, _, _))
.WillOnce(DoAll(SaveArg<1>(&callback), SaveArg<2>(&userdata), Return(true)));
FlushClient();
callback(WGPUErrorType_Validation, "Some error message", userdata);
EXPECT_CALL(*mockDevicePopErrorScopeCallback,
Call(WGPUErrorType_Validation, StrEq("Some error message"), this))
.Times(1);
FlushServer();
}
}
// Test the return wire for device lost callback
TEST_F(WireErrorCallbackTests, DeviceLostCallback) {
wgpuDeviceSetDeviceLostCallback(device, ToMockDeviceLostCallback, this);
// Setting the error callback should stay on the client side and do nothing
FlushClient();
// Calling the callback on the server side will result in the callback being called on the
// client side
api.CallDeviceLostCallback(apiDevice, "Some error message");
EXPECT_CALL(*mockDeviceLostCallback, Call(StrEq("Some error message"), this)).Times(1);
FlushServer();
}