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// Copyright 2020 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"
#include "common/Assert.h"
#include "dawn_wire/WireClient.h"
#include "tests/MockCallback.h"
using namespace testing;
using namespace dawn_wire;
namespace {
class WireDisconnectTests : public WireTest {};
} // anonymous namespace
// Test that commands are not received if the client disconnects.
TEST_F(WireDisconnectTests, CommandsAfterDisconnect) {
// Sanity check that commands work at all.
wgpuDeviceCreateCommandEncoder(device, nullptr);
WGPUCommandEncoder apiCmdBufEncoder = api.GetNewCommandEncoder();
EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr))
.WillOnce(Return(apiCmdBufEncoder));
FlushClient();
// Disconnect.
GetWireClient()->Disconnect();
// Command is not received because client disconnected.
wgpuDeviceCreateCommandEncoder(device, nullptr);
EXPECT_CALL(api, DeviceCreateCommandEncoder(_, _)).Times(Exactly(0));
FlushClient();
}
// Test that commands that are serialized before a disconnect but flushed
// after are received.
TEST_F(WireDisconnectTests, FlushAfterDisconnect) {
// Sanity check that commands work at all.
wgpuDeviceCreateCommandEncoder(device, nullptr);
// Disconnect.
GetWireClient()->Disconnect();
// Already-serialized commmands are still received.
WGPUCommandEncoder apiCmdBufEncoder = api.GetNewCommandEncoder();
EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr))
.WillOnce(Return(apiCmdBufEncoder));
FlushClient();
}
// Check that disconnecting the wire client calls the device lost callback exacty once.
TEST_F(WireDisconnectTests, CallsDeviceLostCallback) {
MockCallback<WGPUDeviceLostCallback> mockDeviceLostCallback;
wgpuDeviceSetDeviceLostCallback(device, mockDeviceLostCallback.Callback(),
mockDeviceLostCallback.MakeUserdata(this));
// Disconnect the wire client. We should receive device lost only once.
EXPECT_CALL(mockDeviceLostCallback, Call(_, this)).Times(Exactly(1));
GetWireClient()->Disconnect();
GetWireClient()->Disconnect();
}
// Check that disconnecting the wire client after a device loss does not trigger the callback again.
TEST_F(WireDisconnectTests, ServerLostThenDisconnect) {
MockCallback<WGPUDeviceLostCallback> mockDeviceLostCallback;
wgpuDeviceSetDeviceLostCallback(device, mockDeviceLostCallback.Callback(),
mockDeviceLostCallback.MakeUserdata(this));
api.CallDeviceSetDeviceLostCallbackCallback(apiDevice, "some reason");
// Flush the device lost return command.
EXPECT_CALL(mockDeviceLostCallback, Call(StrEq("some reason"), this)).Times(Exactly(1));
FlushServer();
// Disconnect the client. We shouldn't see the lost callback again.
EXPECT_CALL(mockDeviceLostCallback, Call(_, _)).Times(Exactly(0));
GetWireClient()->Disconnect();
}
// Check that disconnecting the wire client inside the device loss callback does not trigger the
// callback again.
TEST_F(WireDisconnectTests, ServerLostThenDisconnectInCallback) {
MockCallback<WGPUDeviceLostCallback> mockDeviceLostCallback;
wgpuDeviceSetDeviceLostCallback(device, mockDeviceLostCallback.Callback(),
mockDeviceLostCallback.MakeUserdata(this));
api.CallDeviceSetDeviceLostCallbackCallback(apiDevice, "lost reason");
// Disconnect the client inside the lost callback. We should see the callback
// only once.
EXPECT_CALL(mockDeviceLostCallback, Call(StrEq("lost reason"), this))
.WillOnce(InvokeWithoutArgs([&]() {
EXPECT_CALL(mockDeviceLostCallback, Call(_, _)).Times(Exactly(0));
GetWireClient()->Disconnect();
}));
FlushServer();
}
// Check that a device loss after a disconnect does not trigger the callback again.
TEST_F(WireDisconnectTests, DisconnectThenServerLost) {
MockCallback<WGPUDeviceLostCallback> mockDeviceLostCallback;
wgpuDeviceSetDeviceLostCallback(device, mockDeviceLostCallback.Callback(),
mockDeviceLostCallback.MakeUserdata(this));
// Disconnect the client. We should see the callback once.
EXPECT_CALL(mockDeviceLostCallback, Call(_, this)).Times(Exactly(1));
GetWireClient()->Disconnect();
// Lose the device on the server. The client callback shouldn't be
// called again.
api.CallDeviceSetDeviceLostCallbackCallback(apiDevice, "lost reason");
EXPECT_CALL(mockDeviceLostCallback, Call(_, _)).Times(Exactly(0));
FlushServer();
}
// Test that client objects are all destroyed if the WireClient is destroyed.
TEST_F(WireDisconnectTests, DeleteClientDestroysObjects) {
WGPUSamplerDescriptor desc = {};
wgpuDeviceCreateCommandEncoder(device, nullptr);
wgpuDeviceCreateSampler(device, &desc);
WGPUCommandEncoder apiCommandEncoder = api.GetNewCommandEncoder();
EXPECT_CALL(api, DeviceCreateCommandEncoder(apiDevice, nullptr))
.WillOnce(Return(apiCommandEncoder));
WGPUSampler apiSampler = api.GetNewSampler();
EXPECT_CALL(api, DeviceCreateSampler(apiDevice, _)).WillOnce(Return(apiSampler));
FlushClient();
DeleteClient();
// Expect release on all objects created by the client.
Sequence s1, s2, s3;
EXPECT_CALL(api, QueueRelease(apiQueue)).Times(1).InSequence(s1);
EXPECT_CALL(api, CommandEncoderRelease(apiCommandEncoder)).Times(1).InSequence(s2);
EXPECT_CALL(api, SamplerRelease(apiSampler)).Times(1).InSequence(s3);
EXPECT_CALL(api, OnDeviceSetUncapturedErrorCallback(apiDevice, nullptr, nullptr))
.Times(1)
.InSequence(s1, s2);
EXPECT_CALL(api, OnDeviceSetLoggingCallback(apiDevice, nullptr, nullptr))
.Times(1)
.InSequence(s1, s2);
EXPECT_CALL(api, OnDeviceSetDeviceLostCallback(apiDevice, nullptr, nullptr))
.Times(1)
.InSequence(s1, s2);
EXPECT_CALL(api, DeviceRelease(apiDevice)).Times(1).InSequence(s1, s2, s3);
FlushClient();
// Signal that we already released and cleared callbacks for |apiDevice|
DefaultApiDeviceWasReleased();
}