diff --git a/tests/Gating/Android.bp b/tests/Gating/Android.bp
new file mode 100644
index 0000000000000..b6c00948f5f3f
--- /dev/null
+++ b/tests/Gating/Android.bp
@@ -0,0 +1,17 @@
+android_test {
+ name: "Gating",
+ // Only compile source java files in this apk.
+ srcs: ["src/**/*.java"],
+ certificate: "platform",
+ libs: [
+ "android.test.runner",
+ "android.test.base",
+ ],
+ static_libs: [
+ "junit",
+ "android-support-test",
+ "mockito-target-minus-junit4",
+ "truth-prebuilt",
+ "platform_compat-test-rules"
+ ],
+}
diff --git a/tests/Gating/AndroidManifest.xml b/tests/Gating/AndroidManifest.xml
new file mode 100644
index 0000000000000..7f14b83fbc751
--- /dev/null
+++ b/tests/Gating/AndroidManifest.xml
@@ -0,0 +1,11 @@
+
+
+
+
+
+
+
+
+
diff --git a/tests/Gating/AndroidTest.xml b/tests/Gating/AndroidTest.xml
new file mode 100644
index 0000000000000..730e74a6d3372
--- /dev/null
+++ b/tests/Gating/AndroidTest.xml
@@ -0,0 +1,30 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/Gating/src/com/android/compat/testing/DummyApi.java b/tests/Gating/src/com/android/compat/testing/DummyApi.java
new file mode 100644
index 0000000000000..25106f91cb58f
--- /dev/null
+++ b/tests/Gating/src/com/android/compat/testing/DummyApi.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+package com.android.compat.testing;
+
+import android.compat.Compatibility;
+import android.content.Context;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+
+import com.android.internal.compat.IPlatformCompat;
+
+/**
+ * This is a dummy API to test gating
+ *
+ * @hide
+ */
+public class DummyApi {
+
+ public static final long CHANGE_ID = 666013;
+ public static final long CHANGE_ID_1 = 666014;
+ public static final long CHANGE_ID_2 = 666015;
+ public static final long CHANGE_SYSTEM_SERVER = 666016;
+
+ /**
+ * Dummy method
+ * @return "A" if change is enabled, "B" otherwise.
+ */
+ public static String dummyFunc() {
+ if (Compatibility.isChangeEnabled(CHANGE_ID)) {
+ return "A";
+ }
+ return "B";
+ }
+
+ /**
+ * Dummy combined method
+ * @return "0" if {@link CHANGE_ID_1} is disabled and {@link CHANGE_ID_2} is disabled,
+ "1" if {@link CHANGE_ID_1} is disabled and {@link CHANGE_ID_2} is enabled,
+ "2" if {@link CHANGE_ID_1} is enabled and {@link CHANGE_ID_2} is disabled,
+ "3" if {@link CHANGE_ID_1} is enabled and {@link CHANGE_ID_2} is enabled.
+ */
+ public static String dummyCombinedFunc() {
+ if (!Compatibility.isChangeEnabled(CHANGE_ID_1)
+ && !Compatibility.isChangeEnabled(CHANGE_ID_2)) {
+ return "0";
+ } else if (!Compatibility.isChangeEnabled(CHANGE_ID_1)
+ && Compatibility.isChangeEnabled(CHANGE_ID_2)) {
+ return "1";
+ } else if (Compatibility.isChangeEnabled(CHANGE_ID_1)
+ && !Compatibility.isChangeEnabled(CHANGE_ID_2)) {
+ return "2";
+ }
+ return "3";
+ }
+
+ /**
+ * Dummy api using system server API.
+ */
+ public static String dummySystemServer(Context context) {
+ IPlatformCompat platformCompat = IPlatformCompat.Stub
+ .asInterface(ServiceManager.getService(Context.PLATFORM_COMPAT_SERVICE));
+ if (platformCompat == null) {
+ throw new RuntimeException("Could not obtain IPlatformCompat instance!");
+ }
+ String packageName = context.getPackageName();
+ try {
+ if (platformCompat.isChangeEnabledByPackageName(CHANGE_SYSTEM_SERVER, packageName,
+ context.getUserId())) {
+ return "True";
+ } else {
+ return "False";
+ }
+ } catch (RemoteException e) {
+ throw new RuntimeException("Could not get change value!", e);
+ }
+ }
+}
diff --git a/tests/Gating/src/com/android/tests/gating/GatingTest.java b/tests/Gating/src/com/android/tests/gating/GatingTest.java
new file mode 100644
index 0000000000000..1e3f9ed29cc1c
--- /dev/null
+++ b/tests/Gating/src/com/android/tests/gating/GatingTest.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+package com.android.tests.gating;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.compat.testing.CompatChangeRule;
+import android.compat.testing.CompatChangeRule.DisableCompatChanges;
+import android.compat.testing.CompatChangeRule.EnableCompatChanges;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.android.compat.testing.DummyApi;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TestRule;
+import org.junit.runner.RunWith;
+
+/**
+ * Tests for platform compatibility change gating.
+ */
+@RunWith(AndroidJUnit4.class)
+public class GatingTest {
+
+ @Rule
+ public TestRule compatChangeRule = new CompatChangeRule();
+
+ @Test
+ @EnableCompatChanges({DummyApi.CHANGE_ID})
+ public void testDummyGatingPositive() {
+ assertThat(DummyApi.dummyFunc()).isEqualTo("A");
+ }
+
+ @Test
+ @DisableCompatChanges({DummyApi.CHANGE_ID})
+ public void testDummyGatingNegative() {
+ assertThat(DummyApi.dummyFunc()).isEqualTo("B");
+ }
+
+ @Test
+ @DisableCompatChanges({DummyApi.CHANGE_ID_1, DummyApi.CHANGE_ID_2})
+ public void testDummyGatingCombined0() {
+ assertThat(DummyApi.dummyCombinedFunc()).isEqualTo("0");
+ }
+
+ @Test
+ @DisableCompatChanges({DummyApi.CHANGE_ID_1})
+ @EnableCompatChanges({DummyApi.CHANGE_ID_2})
+ public void testDummyGatingCombined1() {
+ assertThat(DummyApi.dummyCombinedFunc()).isEqualTo("1");
+ }
+
+ @Test
+ @EnableCompatChanges({DummyApi.CHANGE_ID_1})
+ @DisableCompatChanges({DummyApi.CHANGE_ID_2})
+ public void testDummyGatingCombined2() {
+ assertThat(DummyApi.dummyCombinedFunc()).isEqualTo("2");
+ }
+
+ @Test
+ @EnableCompatChanges({DummyApi.CHANGE_ID_1, DummyApi.CHANGE_ID_2})
+ public void testDummyGatingCombined3() {
+ assertThat(DummyApi.dummyCombinedFunc()).isEqualTo("3");
+ }
+
+ @Test
+ @EnableCompatChanges({DummyApi.CHANGE_SYSTEM_SERVER})
+ public void testDummyGatingPositiveSystemServer() {
+ assertThat(
+ DummyApi.dummySystemServer(InstrumentationRegistry.getTargetContext())).isEqualTo(
+ "True");
+ }
+
+ @Test
+ @DisableCompatChanges({DummyApi.CHANGE_SYSTEM_SERVER})
+ public void testDummyGatingNegativeSystemServer() {
+ assertThat(
+ DummyApi.dummySystemServer(InstrumentationRegistry.getTargetContext())).isEqualTo(
+ "False");
+ }
+}