gui: add additional test for region sampling

Add additional test that help verify the region sampling function.

Bug: 119639245
Test: ./libgui_test --gtest_filter="RegionSamplingTest.*"
Change-Id: Ie42b4cd5767b846f247781ab3b14a22ff9b7ad83

1 files changed, 66 insertions, 0 deletions

diff --git a/libs/gui/tests/RegionSampling_test.cpp b/libs/gui/tests/RegionSampling_test.cpp
index d33ecfbdb9..c9de37d957 100644
--- a/libs/gui/tests/RegionSampling_test.cpp
+++ b/libs/gui/tests/RegionSampling_test.cpp
@@ -297,4 +297,70 @@ TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromTwoRegions) {
     composer->removeRegionSamplingListener(grayListener);
 }
 
+TEST_F(RegionSamplingTest, DISABLED_TestIfInvalidInputParameters) {
+    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<Listener> listener = new Listener();
+    const Rect sampleArea{100, 100, 200, 200};
+    // Invalid input sampleArea
+    EXPECT_EQ(BAD_VALUE,
+              composer->addRegionSamplingListener(Rect::INVALID_RECT, mTopLayer->getHandle(),
+                                                  listener));
+    listener->reset();
+    // Invalid input binder
+    EXPECT_EQ(NO_ERROR, composer->addRegionSamplingListener(sampleArea, NULL, listener));
+    // Invalid input listener
+    EXPECT_EQ(BAD_VALUE,
+              composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), NULL));
+    EXPECT_EQ(BAD_VALUE, composer->removeRegionSamplingListener(NULL));
+    // remove the listener
+    composer->removeRegionSamplingListener(listener);
+}
+
+TEST_F(RegionSamplingTest, DISABLED_TestCallbackAfterRemoveListener) {
+    fill_render(rgba_green);
+    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<Listener> listener = new Listener();
+    const Rect sampleArea{100, 100, 200, 200};
+    composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
+    fill_render(rgba_green);
+
+    EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
+    EXPECT_NEAR(listener->luma(), luma_green, error_margin);
+
+    listener->reset();
+    composer->removeRegionSamplingListener(listener);
+    fill_render(rgba_green);
+    EXPECT_FALSE(listener->wait_event(100ms))
+            << "callback should stop after remove the region sampling listener";
+}
+
+TEST_F(RegionSamplingTest, DISABLED_CollectsLumaFromMovingLayer) {
+    sp<ISurfaceComposer> composer = ComposerService::getComposerService();
+    sp<Listener> listener = new Listener();
+    Rect sampleArea{100, 100, 200, 200};
+
+    // Test: listener in (100, 100). See layer before move, no layer after move.
+    fill_render(rgba_blue);
+    composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
+    EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
+    EXPECT_NEAR(listener->luma(), luma_blue, error_margin);
+    listener->reset();
+    SurfaceComposerClient::Transaction{}.setPosition(mContentLayer, 600, 600).apply();
+    EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
+    EXPECT_NEAR(listener->luma(), luma_gray, error_margin);
+    composer->removeRegionSamplingListener(listener);
+
+    // Test: listener offset to (600, 600). No layer before move, see layer after move.
+    fill_render(rgba_green);
+    sampleArea.offsetTo(600, 600);
+    composer->addRegionSamplingListener(sampleArea, mTopLayer->getHandle(), listener);
+    EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
+    EXPECT_NEAR(listener->luma(), luma_gray, error_margin);
+    listener->reset();
+    SurfaceComposerClient::Transaction{}.setPosition(mContentLayer, 600, 600).apply();
+    EXPECT_TRUE(listener->wait_event(300ms)) << "timed out waiting for luma event to be received";
+    EXPECT_NEAR(listener->luma(), luma_green, error_margin);
+    composer->removeRegionSamplingListener(listener);
+}
+
 } // namespace android::test