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Adding unit tests for preferred display mode

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Bug: 219919436
Test: atest LocalDisplayAdapterTest
Change-Id: I280a8d777cfcf57d2147136073030d06aff029b7
This commit is contained in:
Kriti Dang
2022-02-23 14:57:42 +01:00
parent de4a9a6a06
commit e09d31819d
1 changed files with 62 additions and 0 deletions
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62
services/tests/mockingservicestests/src/com/android/server/display/LocalDisplayAdapterTest.java
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@@ -754,6 +754,57 @@ public class LocalDisplayAdapterTest {
verify(mMockedBacklight, never()).setBrightness(anyFloat());
}
@Test
public void testGetSystemPreferredDisplayMode() throws Exception {
SurfaceControl.DisplayMode displayMode1 = createFakeDisplayMode(0, 1920, 1080, 60f);
// preferred mode
SurfaceControl.DisplayMode displayMode2 = createFakeDisplayMode(1, 3840, 2160, 60f);
SurfaceControl.DisplayMode[] modes =
new SurfaceControl.DisplayMode[]{displayMode1, displayMode2};
FakeDisplay display = new FakeDisplay(PORT_A, modes, 0, 1);
setUpDisplay(display);
updateAvailableDisplays();
mAdapter.registerLocked();
waitForHandlerToComplete(mHandler, HANDLER_WAIT_MS);
assertThat(mListener.addedDisplays.size()).isEqualTo(1);
assertThat(mListener.changedDisplays).isEmpty();
DisplayDeviceInfo displayDeviceInfo = mListener.addedDisplays.get(
0).getDisplayDeviceInfoLocked();
assertThat(displayDeviceInfo.supportedModes.length).isEqualTo(modes.length);
Display.Mode defaultMode = getModeById(displayDeviceInfo, displayDeviceInfo.defaultModeId);
assertThat(matches(defaultMode, displayMode2)).isTrue();
// Change the display and add new preferred mode
SurfaceControl.DisplayMode addedDisplayInfo = createFakeDisplayMode(2, 2340, 1080, 60f);
modes = new SurfaceControl.DisplayMode[]{displayMode1, displayMode2, addedDisplayInfo};
display.dynamicInfo.supportedDisplayModes = modes;
display.dynamicInfo.preferredBootDisplayMode = 2;
setUpDisplay(display);
mInjector.getTransmitter().sendHotplug(display, /* connected */ true);
waitForHandlerToComplete(mHandler, HANDLER_WAIT_MS);
assertTrue(mListener.traversalRequested);
assertThat(mListener.addedDisplays.size()).isEqualTo(1);
assertThat(mListener.changedDisplays.size()).isEqualTo(1);
DisplayDevice displayDevice = mListener.changedDisplays.get(0);
displayDevice.applyPendingDisplayDeviceInfoChangesLocked();
displayDeviceInfo = displayDevice.getDisplayDeviceInfoLocked();
assertThat(displayDeviceInfo.supportedModes.length).isEqualTo(modes.length);
assertModeIsSupported(displayDeviceInfo.supportedModes, displayMode1);
assertModeIsSupported(displayDeviceInfo.supportedModes, displayMode2);
assertModeIsSupported(displayDeviceInfo.supportedModes, addedDisplayInfo);
assertThat(matches(displayDevice.getSystemPreferredDisplayModeLocked(), addedDisplayInfo))
.isTrue();
}
private void assertDisplayDpi(DisplayDeviceInfo info, int expectedPort,
float expectedXdpi,
float expectedYDpi,
@@ -831,6 +882,16 @@ public class LocalDisplayAdapterTest {
dynamicInfo.supportedDisplayModes = modes;
dynamicInfo.activeDisplayModeId = activeMode;
}
private FakeDisplay(int port, SurfaceControl.DisplayMode[] modes, int activeMode,
int preferredMode) {
address = createDisplayAddress(port);
info = createFakeDisplayInfo();
dynamicInfo.supportedDisplayModes = modes;
dynamicInfo.activeDisplayModeId = activeMode;
dynamicInfo.preferredBootDisplayMode = preferredMode;
}
}
private void setUpDisplay(FakeDisplay display) {
@@ -843,6 +904,7 @@ public class LocalDisplayAdapterTest {
.thenReturn(display.dynamicInfo);
when(mSurfaceControlProxy.getDesiredDisplayModeSpecs(display.token))
.thenReturn(display.desiredDisplayModeSpecs);
when(mSurfaceControlProxy.getBootDisplayModeSupport()).thenReturn(true);
}
private void updateAvailableDisplays() {