Add unit test for boot display mode

Bug: 213909104
Test: atest SurfaceFlinger_test
Change-Id: I68a578ede77c66c85278190e34225d95d26d52e8

2 files changed, 48 insertions, 0 deletions

diff --git a/services/surfaceflinger/tests/Android.bp b/services/surfaceflinger/tests/Android.bp
index 7b86229556..88a954e2c1 100644
--- a/services/surfaceflinger/tests/Android.bp
+++ b/services/surfaceflinger/tests/Android.bp
@@ -26,6 +26,7 @@ cc_test {
     defaults: ["surfaceflinger_defaults"],
     test_suites: ["device-tests"],
     srcs: [
+        "BootDisplayMode_test.cpp",
         "BufferGenerator.cpp",
         "CommonTypes_test.cpp",
         "Credentials_test.cpp",
diff --git a/services/surfaceflinger/tests/BootDisplayMode_test.cpp b/services/surfaceflinger/tests/BootDisplayMode_test.cpp
new file mode 100644
index 0000000000..abdb16debf
--- /dev/null
+++ b/services/surfaceflinger/tests/BootDisplayMode_test.cpp
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <thread>
+
+#include <gtest/gtest.h>
+
+#include <gui/SurfaceComposerClient.h>
+#include <private/gui/ComposerService.h>
+#include <chrono>
+
+namespace android {
+
+TEST(BootDisplayModeTest, setBootDisplayMode) {
+    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+    bool bootModeSupport = false;
+    ASSERT_NO_FATAL_FAILURE(sf->getBootDisplayModeSupport(&bootModeSupport));
+    if (bootModeSupport) {
+        ASSERT_EQ(NO_ERROR, sf->setBootDisplayMode(displayToken, 0));
+    }
+}
+
+TEST(BootDisplayModeTest, clearBootDisplayMode) {
+    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
+    auto displayToken = SurfaceComposerClient::getInternalDisplayToken();
+    bool bootModeSupport = false;
+    ASSERT_NO_FATAL_FAILURE(sf->getBootDisplayModeSupport(&bootModeSupport));
+    if (bootModeSupport) {
+        ASSERT_EQ(NO_ERROR, sf->clearBootDisplayMode(displayToken));
+    }
+}
+
+} // namespace android
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