am ef6f9ad3: DO NOT MERGE - Add CTS tests for IAudioflinger binder checks.

* commit 'ef6f9ad30509325e8b0d90fabde60b902ec8f936':
  DO NOT MERGE - Add CTS tests for IAudioflinger binder checks.
diff --git a/tests/tests/security/AndroidManifest.xml b/tests/tests/security/AndroidManifest.xml
index e47b045..cb01de1 100644
--- a/tests/tests/security/AndroidManifest.xml
+++ b/tests/tests/security/AndroidManifest.xml
@@ -21,6 +21,7 @@
     <uses-permission android:name="android.permission.DISABLE_KEYGUARD" />
     <uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
     <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
 
     <application>
         <uses-library android:name="android.test.runner" />
diff --git a/tests/tests/security/jni/Android.mk b/tests/tests/security/jni/Android.mk
index 2541da8..2553d32 100644
--- a/tests/tests/security/jni/Android.mk
+++ b/tests/tests/security/jni/Android.mk
@@ -28,7 +28,8 @@
 		android_security_cts_LinuxRngTest.cpp \
 		android_security_cts_NativeCodeTest.cpp \
 		android_security_cts_LoadEffectLibraryTest.cpp \
-		android_security_cts_AudioPolicyBinderTest.cpp
+		android_security_cts_AudioPolicyBinderTest.cpp \
+		android_security_cts_AudioflingerBinderTest.cpp
 
 LOCAL_C_INCLUDES := $(JNI_H_INCLUDE)
 
diff --git a/tests/tests/security/jni/CtsSecurityJniOnLoad.cpp b/tests/tests/security/jni/CtsSecurityJniOnLoad.cpp
index 7833400..b027315 100644
--- a/tests/tests/security/jni/CtsSecurityJniOnLoad.cpp
+++ b/tests/tests/security/jni/CtsSecurityJniOnLoad.cpp
@@ -23,6 +23,7 @@
 extern int register_android_security_cts_NativeCodeTest(JNIEnv*);
 extern int register_android_security_cts_LoadEffectLibraryTest(JNIEnv*);
 extern int register_android_security_cts_AudioPolicyBinderTest(JNIEnv* env);
+extern int register_android_security_cts_AudioFlingerBinderTest(JNIEnv* env);
 
 jint JNI_OnLoad(JavaVM *vm, void *reserved) {
     JNIEnv *env = NULL;
@@ -55,5 +56,8 @@
         return JNI_ERR;
     }
 
+    if (register_android_security_cts_AudioFlingerBinderTest(env)) {
+        return JNI_ERR;
+    }
     return JNI_VERSION_1_4;
 }
diff --git a/tests/tests/security/jni/android_security_cts_AudioflingerBinderTest.cpp b/tests/tests/security/jni/android_security_cts_AudioflingerBinderTest.cpp
new file mode 100644
index 0000000..3acd181
--- /dev/null
+++ b/tests/tests/security/jni/android_security_cts_AudioflingerBinderTest.cpp
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+#define LOG_TAG "AudioFlingerBinderTest-JNI"
+
+#include <jni.h>
+#include <binder/IServiceManager.h>
+#include <media/IAudioFlinger.h>
+#include <media/AudioSystem.h>
+#include <system/audio.h>
+#include <utils/Log.h>
+#include <utils/SystemClock.h>
+
+using namespace android;
+
+/*
+ * Native methods used by
+ * cts/tests/tests/security/src/android/security/cts/AudioFlingerBinderTest.java
+ */
+
+
+class MyDeathClient: public IBinder::DeathRecipient
+{
+public:
+    MyDeathClient() :
+        mAfIsDead(false) {
+    }
+
+    bool afIsDead() const { return mAfIsDead; }
+
+    // DeathRecipient
+    virtual void binderDied(const wp<IBinder>& who __unused) { mAfIsDead = true; }
+
+private:
+    bool mAfIsDead;
+};
+
+
+static bool connectAudioFlinger(sp<IAudioFlinger>& af, sp<MyDeathClient> &dr)
+{
+    int64_t startTime = 0;
+    while (af == 0) {
+        sp<IBinder> binder = defaultServiceManager()->checkService(String16("media.audio_flinger"));
+        if (binder == 0) {
+            if (startTime == 0) {
+                startTime = uptimeMillis();
+            } else if ((uptimeMillis()-startTime) > 10000) {
+                ALOGE("timeout while getting audio flinger service");
+                return false;
+            }
+            sleep(1);
+        } else {
+            af = interface_cast<IAudioFlinger>(binder);
+            dr = new MyDeathClient();
+            binder->linkToDeath(dr);
+        }
+    }
+    return true;
+}
+
+/*
+ * Checks that AudioSystem::setMasterMute() does not crash mediaserver if a duplicated output
+ * is opened.
+ */
+jboolean android_security_cts_AudioFlinger_test_setMasterMute(JNIEnv* env __unused,
+                                                           jobject thiz __unused)
+{
+    sp<IAudioFlinger> af;
+    sp<MyDeathClient> dr;
+
+    if (!connectAudioFlinger(af, dr)) {
+        return false;
+    }
+
+    // force opening of a duplicating output
+    status_t status = AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                                          AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
+                                          "0");
+    if (status != NO_ERROR) {
+        return false;
+    }
+
+    bool mute;
+    status = AudioSystem::getMasterMute(&mute);
+    if (status != NO_ERROR) {
+        return false;
+    }
+
+    AudioSystem::setMasterMute(!mute);
+
+    sleep(1);
+
+    // Check that mediaserver did not crash
+    if (dr->afIsDead()) {
+        return false;
+    }
+
+    AudioSystem::setMasterMute(mute);
+
+    AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                                          AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
+                                          "0");
+
+    AudioSystem::setMasterMute(false);
+
+    return true;
+}
+
+jboolean android_security_cts_AudioFlinger_test_setMasterVolume(JNIEnv* env __unused,
+                                                           jobject thiz __unused)
+{
+    sp<IAudioFlinger> af;
+    sp<MyDeathClient> dr;
+
+    if (!connectAudioFlinger(af, dr)) {
+        return false;
+    }
+
+    // force opening of a duplicating output
+    status_t status = AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                                          AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
+                                          "0");
+    if (status != NO_ERROR) {
+        return false;
+    }
+
+    float vol;
+    status = AudioSystem::getMasterVolume(&vol);
+    if (status != NO_ERROR) {
+        return false;
+    }
+
+    AudioSystem::setMasterVolume(vol < 0.5 ? 1.0 : 0.0);
+
+    sleep(1);
+
+    // Check that mediaserver did not crash
+    if (dr->afIsDead()) {
+        return false;
+    }
+
+    AudioSystem::setMasterMute(vol);
+
+    AudioSystem::setDeviceConnectionState(AUDIO_DEVICE_OUT_REMOTE_SUBMIX,
+                                          AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
+                                          "0");
+
+    return true;
+}
+
+
+static JNINativeMethod gMethods[] = {
+    {  "native_test_setMasterMute", "()Z",
+            (void *) android_security_cts_AudioFlinger_test_setMasterMute },
+    {  "native_test_setMasterVolume", "()Z",
+            (void *) android_security_cts_AudioFlinger_test_setMasterVolume },
+};
+
+int register_android_security_cts_AudioFlingerBinderTest(JNIEnv* env)
+{
+    jclass clazz = env->FindClass("android/security/cts/AudioFlingerBinderTest");
+    return env->RegisterNatives(clazz, gMethods,
+            sizeof(gMethods) / sizeof(JNINativeMethod));
+}
diff --git a/tests/tests/security/src/android/security/cts/AudioFlingerBinderTest.java b/tests/tests/security/src/android/security/cts/AudioFlingerBinderTest.java
new file mode 100644
index 0000000..6934d89
--- /dev/null
+++ b/tests/tests/security/src/android/security/cts/AudioFlingerBinderTest.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 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 android.security.cts;
+
+import junit.framework.TestCase;
+
+public class AudioFlingerBinderTest extends TestCase {
+
+    static {
+        System.loadLibrary("ctssecurity_jni");
+    }
+
+    /**
+     * Checks that AudioSystem::setMasterMute() does not crash mediaserver if a duplicated output
+     * is opened.
+     */
+    public void test_setMasterMute() throws Exception {
+        assertTrue(native_test_setMasterMute());
+    }
+
+    /**
+     * Checks that AudioSystem::setMasterVolume() does not crash mediaserver if a duplicated output
+     * is opened.
+     */
+    public void test_setMasterVolume() throws Exception {
+        assertTrue(native_test_setMasterVolume());
+    }
+
+    private static native boolean native_test_setMasterMute();
+    private static native boolean native_test_setMasterVolume();
+}