78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
/*
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* Copyright 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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#undef LOG_TAG
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#define LOG_TAG "LibSurfaceFlingerUnittests"
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#include "DisplayTransactionTestHelpers.h"
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namespace android {
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namespace {
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class DestroyDisplayTest : public DisplayTransactionTest {};
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TEST_F(DestroyDisplayTest, destroyDisplayClearsCurrentStateForDisplay) {
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using Case = NonHwcVirtualDisplayCase;
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// --------------------------------------------------------------------
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// Preconditions
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// A virtual display exists
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auto existing = Case::Display::makeFakeExistingDisplayInjector(this);
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existing.inject();
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// --------------------------------------------------------------------
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// Call Expectations
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// The call should notify the interceptor that a display was created.
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EXPECT_CALL(*mSurfaceInterceptor, saveDisplayDeletion(_)).Times(1);
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// Destroying the display commits a display transaction.
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EXPECT_CALL(*mFlinger.scheduler(), scheduleFrame()).Times(1);
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// --------------------------------------------------------------------
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// Invocation
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mFlinger.destroyDisplay(existing.token());
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// --------------------------------------------------------------------
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// Postconditions
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// The display should have been removed from the current state
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EXPECT_FALSE(hasCurrentDisplayState(existing.token()));
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// Ths display should still exist in the drawing state
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EXPECT_TRUE(hasDrawingDisplayState(existing.token()));
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// The display transaction needed flasg should be set
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EXPECT_TRUE(hasTransactionFlagSet(eDisplayTransactionNeeded));
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}
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TEST_F(DestroyDisplayTest, destroyDisplayHandlesUnknownDisplay) {
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// --------------------------------------------------------------------
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// Preconditions
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sp<BBinder> displayToken = new BBinder();
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// --------------------------------------------------------------------
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// Invocation
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mFlinger.destroyDisplay(displayToken);
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}
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} // namespace
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} // namespace android
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