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// Copyright 2019 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <memory>
#include <vector>
#include "dawn/tests/MockCallback.h"
#include "dawn/tests/unittests/validation/ValidationTest.h"
#include "gmock/gmock.h"
using testing::_;
using testing::MockCallback;
using testing::Sequence;
class MockDevicePopErrorScopeCallback {
public:
MOCK_METHOD(void, Call, (WGPUErrorType type, const char* message, void* userdata));
};
static std::unique_ptr<MockDevicePopErrorScopeCallback> mockDevicePopErrorScopeCallback;
static void ToMockDevicePopErrorScopeCallback(WGPUErrorType type,
const char* message,
void* userdata) {
mockDevicePopErrorScopeCallback->Call(type, message, userdata);
}
class MockQueueWorkDoneCallback {
public:
MOCK_METHOD(void, Call, (WGPUQueueWorkDoneStatus status, void* userdata));
};
static std::unique_ptr<MockQueueWorkDoneCallback> mockQueueWorkDoneCallback;
static void ToMockQueueWorkDone(WGPUQueueWorkDoneStatus status, void* userdata) {
mockQueueWorkDoneCallback->Call(status, userdata);
}
class ErrorScopeValidationTest : public ValidationTest {
protected:
void FlushWireAndProcessEvents() {
FlushWire();
instance.ProcessEvents();
}
// Generate new void* pointer for use as `userdata` in callback. The pointer
// is valid for the whole duration of the test. This avoids dangling
// pointers checks to trigger.
void* CreateUserData() {
mUserData.push_back(std::make_unique<bool>());
return reinterpret_cast<void*>(mUserData.back().get());
}
private:
void SetUp() override {
ValidationTest::SetUp();
mockDevicePopErrorScopeCallback = std::make_unique<MockDevicePopErrorScopeCallback>();
mockQueueWorkDoneCallback = std::make_unique<MockQueueWorkDoneCallback>();
}
void TearDown() override {
ValidationTest::TearDown();
// Delete mocks so that expectations are checked
mockDevicePopErrorScopeCallback = nullptr;
mockQueueWorkDoneCallback = nullptr;
}
std::vector<std::unique_ptr<bool>> mUserData;
};
// Test the simple success case.
TEST_F(ErrorScopeValidationTest, Success) {
device.PushErrorScope(wgpu::ErrorFilter::Validation);
void* userdata = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_NoError, _, userdata))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata);
FlushWireAndProcessEvents();
}
// Test the simple case where the error scope catches an error.
TEST_F(ErrorScopeValidationTest, CatchesError) {
device.PushErrorScope(wgpu::ErrorFilter::Validation);
wgpu::BufferDescriptor desc = {};
desc.usage = static_cast<wgpu::BufferUsage>(WGPUBufferUsage_Force32);
device.CreateBuffer(&desc);
void* userdata = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_Validation, _, userdata))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata);
FlushWireAndProcessEvents();
}
// Test that errors bubble to the parent scope if not handled by the current scope.
TEST_F(ErrorScopeValidationTest, ErrorBubbles) {
device.PushErrorScope(wgpu::ErrorFilter::Validation);
device.PushErrorScope(wgpu::ErrorFilter::OutOfMemory);
wgpu::BufferDescriptor desc = {};
desc.usage = static_cast<wgpu::BufferUsage>(WGPUBufferUsage_Force32);
device.CreateBuffer(&desc);
// OutOfMemory does not match Validation error.
void* userdata_1 = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_NoError, _, userdata_1))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata_1);
FlushWireAndProcessEvents();
// Parent validation error scope captures the error.
void* userdata_2 = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_Validation, _, userdata_2))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata_2);
FlushWireAndProcessEvents();
}
// Test that if an error scope matches an error, it does not bubble to the parent scope.
TEST_F(ErrorScopeValidationTest, HandledErrorsStopBubbling) {
device.PushErrorScope(wgpu::ErrorFilter::OutOfMemory);
device.PushErrorScope(wgpu::ErrorFilter::Validation);
wgpu::BufferDescriptor desc = {};
desc.usage = static_cast<wgpu::BufferUsage>(WGPUBufferUsage_Force32);
device.CreateBuffer(&desc);
// Inner scope catches the error.
void* userdata_1 = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_Validation, _, userdata_1))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata_1);
FlushWireAndProcessEvents();
// Parent scope does not see the error.
void* userdata_2 = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_NoError, _, userdata_2))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata_2);
FlushWireAndProcessEvents();
}
// Test that if no error scope handles an error, it goes to the device UncapturedError callback
TEST_F(ErrorScopeValidationTest, UnhandledErrorsMatchUncapturedErrorCallback) {
device.PushErrorScope(wgpu::ErrorFilter::OutOfMemory);
wgpu::BufferDescriptor desc = {};
desc.usage = static_cast<wgpu::BufferUsage>(WGPUBufferUsage_Force32);
ASSERT_DEVICE_ERROR(device.CreateBuffer(&desc));
void* userdata = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_NoError, _, userdata))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata);
FlushWireAndProcessEvents();
}
// Check that push/popping error scopes must be balanced.
TEST_F(ErrorScopeValidationTest, PushPopBalanced) {
// No error scopes to pop.
{
void* userdata = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_Unknown, _, userdata))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata);
FlushWireAndProcessEvents();
}
// Too many pops
{
device.PushErrorScope(wgpu::ErrorFilter::Validation);
void* userdata_1 = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_NoError, _, userdata_1))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata_1);
FlushWireAndProcessEvents();
void* userdata_2 = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_Unknown, _, userdata_2))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata_2);
FlushWireAndProcessEvents();
}
}
// Test that parent error scopes also call their callbacks before an enclosed Queue::Submit
// completes
TEST_F(ErrorScopeValidationTest, EnclosedQueueSubmitNested) {
wgpu::Queue queue = device.GetQueue();
device.PushErrorScope(wgpu::ErrorFilter::OutOfMemory);
device.PushErrorScope(wgpu::ErrorFilter::OutOfMemory);
void* userdata_1 = CreateUserData();
queue.Submit(0, nullptr);
queue.OnSubmittedWorkDone(ToMockQueueWorkDone, userdata_1);
Sequence seq;
MockCallback<WGPUErrorCallback> errorScopeCallback2;
void* userdata_2 = CreateUserData();
EXPECT_CALL(errorScopeCallback2, Call(WGPUErrorType_NoError, _, userdata_2)).InSequence(seq);
device.PopErrorScope(errorScopeCallback2.Callback(),
errorScopeCallback2.MakeUserdata(userdata_2));
MockCallback<WGPUErrorCallback> errorScopeCallback1;
void* userdata_3 = CreateUserData();
EXPECT_CALL(errorScopeCallback1, Call(WGPUErrorType_NoError, _, userdata_3)).InSequence(seq);
device.PopErrorScope(errorScopeCallback1.Callback(),
errorScopeCallback1.MakeUserdata(userdata_3));
EXPECT_CALL(*mockQueueWorkDoneCallback, Call(WGPUQueueWorkDoneStatus_Success, userdata_1));
WaitForAllOperations(device);
}
// Test that if the device is destroyed before the callback occurs, it is called with NoError
// in dawn_native, but Unknown in dawn_wire because the device is destroyed before the callback
// message happens.
TEST_F(ErrorScopeValidationTest, DeviceDestroyedBeforeCallback) {
device.PushErrorScope(wgpu::ErrorFilter::OutOfMemory);
{
// Note: this is in its own scope to be clear the queue does not outlive the device.
wgpu::Queue queue = device.GetQueue();
queue.Submit(0, nullptr);
}
void* userdata = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_NoError, _, userdata))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata);
ExpectDeviceDestruction();
device = nullptr;
FlushWireAndProcessEvents();
}
// If the device is destroyed, pop error scope should callback with device lost.
TEST_F(ErrorScopeValidationTest, DeviceDestroyedBeforePop) {
device.PushErrorScope(wgpu::ErrorFilter::Validation);
ExpectDeviceDestruction();
device.Destroy();
FlushWireAndProcessEvents();
void* userdata = CreateUserData();
EXPECT_CALL(*mockDevicePopErrorScopeCallback, Call(WGPUErrorType_DeviceLost, _, userdata))
.Times(1);
device.PopErrorScope(ToMockDevicePopErrorScopeCallback, userdata);
FlushWireAndProcessEvents();
}
// Regression test that on device shutdown, we don't get a recursion in O(pushed error scope) that
// would lead to a stack overflow
TEST_F(ErrorScopeValidationTest, ShutdownStackOverflow) {
for (size_t i = 0; i < 1'000'000; i++) {
device.PushErrorScope(wgpu::ErrorFilter::Validation);
}
}