mediaresourcemanager: add ServiceLog to track the calling history for dumpsys.

Bug: 20637674
Change-Id: I9d74d98f8eb729a8681877f86419aa2c979f3b7c

2 files changed, 97 insertions, 0 deletions

diff --git a/services/mediaresourcemanager/test/Android.mk b/services/mediaresourcemanager/test/Android.mk
index 228b62a..3b4ef0d 100644
--- a/services/mediaresourcemanager/test/Android.mk
+++ b/services/mediaresourcemanager/test/Android.mk
@@ -20,6 +20,35 @@ LOCAL_C_INCLUDES := \
   frameworks/av/include \
   frameworks/av/services/mediaresourcemanager \
 
+LOCAL_CFLAGS += -Werror -Wall
+LOCAL_CLANG := true
+
+LOCAL_32_BIT_ONLY := true
+
+include $(BUILD_NATIVE_TEST)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := ServiceLog_test
+
+LOCAL_MODULE_TAGS := tests
+
+LOCAL_SRC_FILES := \
+  ServiceLog_test.cpp \
+
+LOCAL_SHARED_LIBRARIES := \
+  liblog \
+  libmedia \
+  libresourcemanagerservice \
+  libutils \
+
+LOCAL_C_INCLUDES := \
+  frameworks/av/include \
+  frameworks/av/services/mediaresourcemanager \
+
+LOCAL_CFLAGS += -Werror -Wall
+LOCAL_CLANG := true
+
 LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_NATIVE_TEST)
diff --git a/services/mediaresourcemanager/test/ServiceLog_test.cpp b/services/mediaresourcemanager/test/ServiceLog_test.cpp
new file mode 100644
index 0000000..6ddcb87
--- /dev/null
+++ b/services/mediaresourcemanager/test/ServiceLog_test.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright 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_NDEBUG 0
+#define LOG_TAG "ServiceLog_test"
+#include <utils/Log.h>
+
+#include <gtest/gtest.h>
+
+#include "ServiceLog.h"
+
+namespace android {
+
+class ServiceLogTest : public ::testing::Test {
+public:
+    ServiceLogTest() : mServiceLog(new ServiceLog(3)) {
+    }
+
+protected:
+    sp<ServiceLog> mServiceLog;
+};
+
+TEST_F(ServiceLogTest, addThenToString) {
+    mServiceLog->add(String8("log1"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log1"));
+    ALOGV("toString:\n%s", mServiceLog->toString().string());
+
+    mServiceLog->add(String8("log2"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log1"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log2"));
+    ALOGV("toString:\n%s", mServiceLog->toString().string());
+
+    mServiceLog->add(String8("log3"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log1"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log2"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log3"));
+    ALOGV("toString:\n%s", mServiceLog->toString().string());
+
+    mServiceLog->add(String8("log4"));
+    EXPECT_FALSE(mServiceLog->toString().contains("log1"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log2"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log3"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log4"));
+    ALOGV("toString:\n%s", mServiceLog->toString().string());
+
+    mServiceLog->add(String8("log5"));
+    EXPECT_FALSE(mServiceLog->toString().contains("log1"));
+    EXPECT_FALSE(mServiceLog->toString().contains("log2"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log3"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log4"));
+    EXPECT_TRUE(mServiceLog->toString().contains("log5"));
+    ALOGV("toString:\n%s", mServiceLog->toString().string());
+}
+
+} // namespace android