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50 lines
2.0 KiB
50 lines
2.0 KiB
4 months ago
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/*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <gui/DisplayEventReceiver.h>
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namespace android::test {
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#define CHECK_OFFSET(type, member, expected_offset) \
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static_assert((offsetof(type, member) == (expected_offset)), "")
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TEST(DisplayEventStructLayoutTest, TestEventAlignment) {
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CHECK_OFFSET(DisplayEventReceiver::Event, vsync, 24);
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CHECK_OFFSET(DisplayEventReceiver::Event, hotplug, 24);
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CHECK_OFFSET(DisplayEventReceiver::Event, modeChange, 24);
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CHECK_OFFSET(DisplayEventReceiver::Event::Header, type, 0);
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CHECK_OFFSET(DisplayEventReceiver::Event::Header, displayId, 8);
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CHECK_OFFSET(DisplayEventReceiver::Event::Header, timestamp, 16);
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CHECK_OFFSET(DisplayEventReceiver::Event::VSync, count, 0);
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CHECK_OFFSET(DisplayEventReceiver::Event::VSync, expectedVSyncTimestamp, 8);
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CHECK_OFFSET(DisplayEventReceiver::Event::VSync, deadlineTimestamp, 16);
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CHECK_OFFSET(DisplayEventReceiver::Event::VSync, frameInterval, 24);
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CHECK_OFFSET(DisplayEventReceiver::Event::VSync, vsyncId, 32);
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CHECK_OFFSET(DisplayEventReceiver::Event::Hotplug, connected, 0);
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CHECK_OFFSET(DisplayEventReceiver::Event::ModeChange, modeId, 0);
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CHECK_OFFSET(DisplayEventReceiver::Event::ModeChange, vsyncPeriod, 8);
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CHECK_OFFSET(DisplayEventReceiver::Event::FrameRateOverride, uid, 0);
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CHECK_OFFSET(DisplayEventReceiver::Event::FrameRateOverride, frameRateHz, 8);
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}
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} // namespace android::test
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