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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/exo/surface.h"
#include "base/command_line.h"
#include "base/strings/stringprintf.h"
#include "components/exo/wayland/test/client_util.h"
#include "components/exo/wayland/test/server_util.h"
#include "components/exo/wayland/test/test_buffer.h"
#include "components/exo/wayland/test/wayland_server_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/display/display.h"
#include "ui/display/display_switches.h"
#include "ui/gfx/geometry/size_f.h"
namespace exo::wayland {
namespace {
class WaylandSurfaceTest : public test::WaylandServerTest,
public ::testing::WithParamInterface<float> {
public:
WaylandSurfaceTest() = default;
WaylandSurfaceTest(const WaylandSurfaceTest&) = delete;
WaylandSurfaceTest& operator=(const WaylandSurfaceTest&) = delete;
~WaylandSurfaceTest() override = default;
// test::WaylandServerTest:
void SetUp() override {
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
// Set the device scale factor.
command_line->AppendSwitchASCII(
switches::kForceDeviceScaleFactor,
base::StringPrintf("%f", device_scale_factor()));
WaylandServerTest::SetUp();
}
void TearDown() override {
WaylandServerTest::TearDown();
display::Display::ResetForceDeviceScaleFactorForTesting();
}
private:
float device_scale_factor() const { return GetParam(); }
};
class TestBufferListener : public test::BufferListener {
public:
int32_t release_buffer_call_count() const {
return release_buffer_call_count_;
}
// test::BufferListener:
void OnRelease(wl_buffer* resource) override { release_buffer_call_count_++; }
private:
int32_t release_buffer_call_count_ = 0;
};
// Instantiate the values of device scale factor in the parameterized tests.
INSTANTIATE_TEST_SUITE_P(All,
WaylandSurfaceTest,
testing::Values(1.0f, 1.25f, 2.0f));
TEST_P(WaylandSurfaceTest, Attach) {
class ClientData : public test::TestClient::CustomData {
public:
std::unique_ptr<test::TestBuffer> buffer;
std::unique_ptr<wl_surface> surface;
TestBufferListener buffer_listener;
};
test::ResourceKey surface_key;
PostToClientAndWait([&](test::TestClient* client) {
ASSERT_TRUE(client->InitShmBufferFactory(256 * 256 * 4));
auto data = std::make_unique<ClientData>();
data->buffer = client->shm_buffer_factory()->CreateBuffer(0, 256, 256);
data->buffer->SetListener(&data->buffer_listener);
data->surface.reset(wl_compositor_create_surface(client->compositor()));
wl_surface_attach(data->surface.get(), data->buffer->resource(), 0, 0);
surface_key = test::client_util::GetResourceKey(data->surface.get());
client->set_data(std::move(data));
});
Surface* surface = test::server_util::GetUserDataForResource<Surface>(
server_.get(), surface_key);
ASSERT_TRUE(surface);
EXPECT_TRUE(surface->HasPendingAttachedBuffer());
PostToClientAndWait([&](test::TestClient* client) {
ClientData* data = client->GetDataAs<ClientData>();
wl_surface_commit(data->surface.get());
});
EXPECT_EQ(gfx::SizeF(256, 256), surface->content_size());
PostToClientAndWait([&](test::TestClient* client) {
ClientData* data = client->GetDataAs<ClientData>();
// Commit without calling Attach() should have no effect.
wl_surface_commit(data->surface.get());
client->Roundtrip();
EXPECT_EQ(0, data->buffer_listener.release_buffer_call_count());
// Attach a null buffer to surface, this should release the previously
// attached buffer.
wl_surface_attach(data->surface.get(), nullptr, 0, 0);
});
EXPECT_FALSE(surface->HasPendingAttachedBuffer());
PostToClientAndWait([&](test::TestClient* client) {
ClientData* data = client->GetDataAs<ClientData>();
wl_surface_commit(data->surface.get());
client->Roundtrip();
EXPECT_EQ(1, data->buffer_listener.release_buffer_call_count());
});
EXPECT_TRUE(surface->content_size().IsEmpty());
}
} // namespace
} // namespace exo::wayland
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