MIDI: Add test for MidiEventMultiScheduler
This CL adds a new folder in frameworks/base for MIDI tests.
This folder can act as a folder for unit tests.
A new test is added for MidiEventMultiScheduler.
com.android.internal.midi is used so this test has to be here.
Bug: 266473128
Test: atest MidiTests --rebuild-module-info
Change-Id: If0d33bd46f8c8adf3a3425888f469f942594aca9
diff --git a/tests/MidiTests/Android.bp b/tests/MidiTests/Android.bp
new file mode 100644
index 0000000..254770d
--- /dev/null
+++ b/tests/MidiTests/Android.bp
@@ -0,0 +1,40 @@
+//
+// Copyright (C) 2023 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 {
+ // See: http://go/android-license-faq
+ // A large-scale-change added 'default_applicable_licenses' to import
+ // all of the 'license_kinds' from "frameworks_base_license"
+ // to get the below license kinds:
+ // SPDX-license-identifier-Apache-2.0
+ default_applicable_licenses: ["frameworks_base_license"],
+}
+
+android_test {
+ name: "MidiTests",
+ srcs: ["**/*.java"],
+ static_libs: [
+ "androidx.test.rules",
+ "mockito-target-inline-minus-junit4",
+ "platform-test-annotations",
+ "services.midi",
+ "truth-prebuilt",
+ ],
+ jni_libs: ["libdexmakerjvmtiagent"],
+ certificate: "platform",
+ platform_apis: true,
+ test_suites: ["device-tests"],
+}
diff --git a/tests/MidiTests/AndroidManifest.xml b/tests/MidiTests/AndroidManifest.xml
new file mode 100644
index 0000000..0ee1b449
--- /dev/null
+++ b/tests/MidiTests/AndroidManifest.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2023 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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="com.android.server.midi" >
+
+ <uses-permission android:name="android.permission.INTERACT_ACROSS_USERS" />
+ <uses-permission android:name="android.permission.MANAGE_USERS" />
+
+ <application android:debuggable="true">
+ <uses-library android:name="android.test.runner" />
+ </application>
+
+ <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"
+ android:targetPackage="com.android.server.midi"
+ android:label="MidiTests"/>
+</manifest>
diff --git a/tests/MidiTests/AndroidTest.xml b/tests/MidiTests/AndroidTest.xml
new file mode 100644
index 0000000..9320f0a
--- /dev/null
+++ b/tests/MidiTests/AndroidTest.xml
@@ -0,0 +1,30 @@
+<!-- Copyright (C) 2023 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.
+-->
+<configuration description="Runs sample instrumentation test.">
+ <target_preparer class="com.android.tradefed.targetprep.TestFilePushSetup"/>
+ <target_preparer class="com.android.tradefed.targetprep.TestAppInstallSetup">
+ <option name="test-file-name" value="MidiTests.apk"/>
+ </target_preparer>
+ <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer"/>
+ <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer"/>
+ <option name="test-suite-tag" value="apct"/>
+ <option name="test-tag" value="MidiTests"/>
+
+ <test class="com.android.tradefed.testtype.AndroidJUnitTest">
+ <option name="package" value="com.android.server.midi"/>
+ <option name="runner" value="androidx.test.runner.AndroidJUnitRunner"/>
+ <option name="hidden-api-checks" value="false"/>
+ </test>
+</configuration>
diff --git a/tests/MidiTests/OWNERS b/tests/MidiTests/OWNERS
new file mode 100644
index 0000000..af273a6
--- /dev/null
+++ b/tests/MidiTests/OWNERS
@@ -0,0 +1 @@
+include /services/midi/OWNERS
diff --git a/tests/MidiTests/TEST_MAPPING b/tests/MidiTests/TEST_MAPPING
new file mode 100644
index 0000000..60416a8
--- /dev/null
+++ b/tests/MidiTests/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "presubmit": [
+ {
+ "name": "MidiTests"
+ }
+ ]
+}
diff --git a/tests/MidiTests/src/com/android/server/midi/MidiEventMultiSchedulerTest.java b/tests/MidiTests/src/com/android/server/midi/MidiEventMultiSchedulerTest.java
new file mode 100644
index 0000000..1659cc0
--- /dev/null
+++ b/tests/MidiTests/src/com/android/server/midi/MidiEventMultiSchedulerTest.java
@@ -0,0 +1,342 @@
+/*
+ * Copyright (C) 2023 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.server.midi;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import androidx.test.filters.SmallTest;
+import androidx.test.runner.AndroidJUnit4;
+
+import com.android.internal.midi.MidiEventMultiScheduler;
+import com.android.internal.midi.MidiEventScheduler;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Random;
+
+/**
+ * Unit tests for com.android.internal.midi.MidiEventMultiScheduler.
+ */
+@SmallTest
+@RunWith(AndroidJUnit4.class)
+public class MidiEventMultiSchedulerTest {
+ private byte[] generateRandomByteStream(Random rnd, int size) {
+ byte[] output = new byte[size];
+ rnd.nextBytes(output);
+ return output;
+ }
+
+ private void compareByteArrays(byte[] expectedArray, byte[] outputArray) {
+ assertEquals(expectedArray.length, outputArray.length);
+ for (int i = 0; i < outputArray.length; i++) {
+ assertEquals(expectedArray[i], outputArray[i]);
+ }
+ }
+
+ private long timeFromNow(long milliseconds) {
+ return System.nanoTime() + 1000000L * milliseconds;
+ }
+
+ @Test
+ public void testMultiScheduler() {
+ try {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(3);
+ assertEquals(3, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ MidiEventScheduler scheduler1 = multiScheduler.getEventScheduler(1);
+ MidiEventScheduler scheduler2 = multiScheduler.getEventScheduler(2);
+
+ scheduler0.add(scheduler0.createScheduledEvent(new byte[]{(byte) 0xf0, (byte) 0xf7},
+ 0, 2, timeFromNow(100)));
+ scheduler1.add(scheduler1.createScheduledEvent(new byte[]{(byte) 0xf1, (byte) 0xf2},
+ 0, 2, timeFromNow(200)));
+ scheduler2.add(scheduler2.createScheduledEvent(new byte[]{(byte) 0xf3, (byte) 0xf4},
+ 0, 2, timeFromNow(300)));
+ scheduler0.add(scheduler0.createScheduledEvent(new byte[]{(byte) 0xf5, (byte) 0xf6},
+ 0, 2, timeFromNow(400)));
+ assertTrue(multiScheduler.waitNextEvent());
+ assertNotNull(scheduler0.getNextEvent(System.nanoTime()));
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertNull(scheduler2.getNextEvent(System.nanoTime()));
+ assertTrue(multiScheduler.waitNextEvent());
+ assertNull(scheduler0.getNextEvent(System.nanoTime()));
+ assertNotNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertNull(scheduler2.getNextEvent(System.nanoTime()));
+ assertTrue(multiScheduler.waitNextEvent());
+ assertNull(scheduler0.getNextEvent(System.nanoTime()));
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertNotNull(scheduler2.getNextEvent(System.nanoTime()));
+ assertTrue(multiScheduler.waitNextEvent());
+ assertNotNull(scheduler0.getNextEvent(System.nanoTime()));
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertNull(scheduler2.getNextEvent(System.nanoTime()));
+ } catch (InterruptedException ex) {
+
+ }
+ }
+
+ @Test
+ public void testSchedulerLargeData() {
+ try {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(1);
+ assertEquals(1, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+
+ Random rnd = new Random(42);
+
+ final int arraySize = 1000;
+ byte[] expectedArray = generateRandomByteStream(rnd, arraySize);
+
+ scheduler0.add(scheduler0.createScheduledEvent(expectedArray, 0, arraySize,
+ timeFromNow(100)));
+ assertTrue(multiScheduler.waitNextEvent());
+ MidiEventScheduler.MidiEvent event =
+ (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ compareByteArrays(expectedArray, event.data);
+ } catch (InterruptedException ex) {
+
+ }
+ }
+
+ @Test
+ public void testSchedulerClose() {
+ try {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(1);
+ assertEquals(1, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ scheduler0.close();
+ // After all schedulers are closed, waitNextEvent() should return false.
+ assertFalse(multiScheduler.waitNextEvent());
+ } catch (InterruptedException ex) {
+
+ }
+ }
+
+ @Test
+ public void testSchedulerMultiClose() {
+ try {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(3);
+ assertEquals(3, multiScheduler.getNumEventSchedulers());
+ multiScheduler.close();
+ // After all schedulers are closed, waitNextEvent() should return false.
+ assertFalse(multiScheduler.waitNextEvent());
+ } catch (InterruptedException ex) {
+
+ }
+ }
+
+ @Test
+ public void testSchedulerNoPreemptiveClose() {
+ try {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(3);
+ assertEquals(3, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ MidiEventScheduler scheduler1 = multiScheduler.getEventScheduler(1);
+ MidiEventScheduler scheduler2 = multiScheduler.getEventScheduler(2);
+ scheduler0.close();
+ scheduler1.close();
+ scheduler2.add(scheduler2.createScheduledEvent(new byte[]{(byte) 0xf5, (byte) 0xf6},
+ 0, 2, timeFromNow(100)));
+ assertTrue(multiScheduler.waitNextEvent());
+ scheduler2.close();
+ // After all schedulers are closed, waitNextEvent() should return false.
+ assertFalse(multiScheduler.waitNextEvent());
+ } catch (InterruptedException ex) {
+
+ }
+ }
+
+ @Test
+ public void testSchedulerSpamEvents() {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(1);
+ assertEquals(1, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ // Create a msg with size 1
+ byte[] msg = new byte[1];
+ for (int i = 0; i < 1000; i++) {
+ msg[0] = (byte) i;
+ scheduler0.add(scheduler0.createScheduledEvent(msg, 0, 1, timeFromNow(0)));
+ MidiEventScheduler.MidiEvent event =
+ (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals(msg[0], event.data[0]);
+ }
+ assertNull(scheduler0.getNextEvent(System.nanoTime()));
+ }
+
+ @Test
+ public void testSchedulerSpamEventsPullLater() {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(1);
+ assertEquals(1, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ // Create a msg with size 1
+ byte[] msg = new byte[1];
+ for (int i = 0; i < 1000; i++) {
+ msg[0] = (byte) i;
+ scheduler0.add(scheduler0.createScheduledEvent(msg, 0, 1, timeFromNow(0)));
+ }
+
+ for (int i = 0; i < 1000; i++) {
+ MidiEventScheduler.MidiEvent event =
+ (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) i, event.data[0]);
+ }
+ assertNull(scheduler0.getNextEvent(System.nanoTime()));
+ }
+
+ @Test
+ public void testSchedulerSpamEventsCallbackLater() {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(1);
+ assertEquals(1, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ // Create a msg with size 1
+ byte[] msg = new byte[1];
+ for (int i = 0; i < 1000; i++) {
+ msg[0] = (byte) i;
+ scheduler0.add(scheduler0.createScheduledEvent(msg, 0, 1, timeFromNow(0)));
+ }
+
+ for (int i = 0; i < 1000; i++) {
+ try {
+ assertTrue(multiScheduler.waitNextEvent());
+ } catch (InterruptedException ex) {
+ }
+ MidiEventScheduler.MidiEvent event =
+ (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) i, event.data[0]);
+ }
+ assertNull(scheduler0.getNextEvent(System.nanoTime()));
+ }
+
+ @Test
+ public void testMultiSchedulerOutOfOrder() {
+ try {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(3);
+ assertEquals(3, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ MidiEventScheduler scheduler1 = multiScheduler.getEventScheduler(1);
+ MidiEventScheduler scheduler2 = multiScheduler.getEventScheduler(2);
+
+ scheduler0.add(scheduler0.createScheduledEvent(new byte[]{(byte) 0xf3},
+ 0, 1,
+ timeFromNow(400)));
+ scheduler2.add(scheduler2.createScheduledEvent(new byte[]{(byte) 0xf2},
+ 0, 1,
+ timeFromNow(300)));
+ scheduler1.add(scheduler1.createScheduledEvent(new byte[]{(byte) 0xf1},
+ 0, 1,
+ timeFromNow(200)));
+ scheduler0.add(scheduler0.createScheduledEvent(new byte[]{(byte) 0xf0},
+ 0, 1,
+ timeFromNow(100)));
+
+ assertTrue(multiScheduler.waitNextEvent());
+ MidiEventScheduler.MidiEvent event =
+ (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf0, event.data[0]);
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertNull(scheduler2.getNextEvent(System.nanoTime()));
+ assertTrue(multiScheduler.waitNextEvent());
+ assertNull(scheduler0.getNextEvent(System.nanoTime()));
+ event = (MidiEventScheduler.MidiEvent) scheduler1.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf1, event.data[0]);
+ assertNull(scheduler2.getNextEvent(System.nanoTime()));
+ assertTrue(multiScheduler.waitNextEvent());
+ assertNull(scheduler0.getNextEvent(System.nanoTime()));
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ event = (MidiEventScheduler.MidiEvent) scheduler2.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf2, event.data[0]);
+ assertTrue(multiScheduler.waitNextEvent());
+ event = (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf3, event.data[0]);
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertNull(scheduler2.getNextEvent(System.nanoTime()));
+ } catch (InterruptedException ex) {
+
+ }
+ }
+
+ @Test
+ public void testMultiSchedulerOutOfOrderNegativeTime() {
+ try {
+ MidiEventMultiScheduler multiScheduler = new MidiEventMultiScheduler(3);
+ assertEquals(3, multiScheduler.getNumEventSchedulers());
+ MidiEventScheduler scheduler0 = multiScheduler.getEventScheduler(0);
+ MidiEventScheduler scheduler1 = multiScheduler.getEventScheduler(1);
+ MidiEventScheduler scheduler2 = multiScheduler.getEventScheduler(2);
+
+ scheduler0.add(scheduler0.createScheduledEvent(new byte[]{(byte) 0xf3},
+ 0, 1,
+ timeFromNow(-100)));
+ scheduler2.add(scheduler2.createScheduledEvent(new byte[]{(byte) 0xf2},
+ 0, 1,
+ timeFromNow(-200)));
+ scheduler1.add(scheduler1.createScheduledEvent(new byte[]{(byte) 0xf1},
+ 0, 1,
+ timeFromNow(-300)));
+ scheduler0.add(scheduler0.createScheduledEvent(new byte[]{(byte) 0xf0},
+ 0, 1,
+ timeFromNow(-400)));
+
+ assertTrue(multiScheduler.waitNextEvent());
+ MidiEventScheduler.MidiEvent event =
+ (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf0, event.data[0]);
+ assertTrue(multiScheduler.waitNextEvent());
+ event = (MidiEventScheduler.MidiEvent) scheduler1.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf1, event.data[0]);
+ assertTrue(multiScheduler.waitNextEvent());
+ event = (MidiEventScheduler.MidiEvent) scheduler2.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf2, event.data[0]);
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertTrue(multiScheduler.waitNextEvent());
+ event = (MidiEventScheduler.MidiEvent) scheduler0.getNextEvent(System.nanoTime());
+ assertNotNull(event);
+ assertEquals(1, event.count);
+ assertEquals((byte) 0xf3, event.data[0]);
+ assertNull(scheduler1.getNextEvent(System.nanoTime()));
+ assertNull(scheduler2.getNextEvent(System.nanoTime()));
+ } catch (InterruptedException ex) {
+
+ }
+ }
+}