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      1 /*
      2  * Copyright 2015 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 //#define LOG_NDEBUG 0
     18 #define LOG_TAG "ServiceLog_test"
     19 #include <utils/Log.h>
     20 
     21 #include <gtest/gtest.h>
     22 
     23 #include "ServiceLog.h"
     24 
     25 namespace android {
     26 
     27 class ServiceLogTest : public ::testing::Test {
     28 public:
     29     ServiceLogTest() : mServiceLog(new ServiceLog(3)) {
     30     }
     31 
     32 protected:
     33     sp<ServiceLog> mServiceLog;
     34 };
     35 
     36 TEST_F(ServiceLogTest, addThenToString) {
     37     String8 logString;
     38 
     39     mServiceLog->add(String8("log1"));
     40     logString = mServiceLog->toString();
     41     EXPECT_TRUE(logString.contains("log1"));
     42     ALOGV("toString:\n%s", logString.string());
     43 
     44     static const char kTestLogPrefix[] = "testlogprefix: ";
     45     logString = mServiceLog->toString(kTestLogPrefix);
     46     EXPECT_TRUE(logString.contains(kTestLogPrefix));
     47     EXPECT_TRUE(logString.contains("log1"));
     48     ALOGV("toString:\n%s", logString.string());
     49 
     50     mServiceLog->add(String8("log2"));
     51     logString = mServiceLog->toString();
     52     EXPECT_TRUE(logString.contains("log1"));
     53     EXPECT_TRUE(logString.contains("log2"));
     54     ALOGV("toString:\n%s", logString.string());
     55 
     56     mServiceLog->add(String8("log3"));
     57     logString = mServiceLog->toString();
     58     EXPECT_TRUE(logString.contains("log1"));
     59     EXPECT_TRUE(logString.contains("log2"));
     60     EXPECT_TRUE(logString.contains("log3"));
     61     ALOGV("toString:\n%s", logString.string());
     62 
     63     mServiceLog->add(String8("log4"));
     64     logString = mServiceLog->toString();
     65     EXPECT_FALSE(logString.contains("log1"));
     66     EXPECT_TRUE(logString.contains("log2"));
     67     EXPECT_TRUE(logString.contains("log3"));
     68     EXPECT_TRUE(logString.contains("log4"));
     69     ALOGV("toString:\n%s", logString.string());
     70 
     71     mServiceLog->add(String8("log5"));
     72     logString = mServiceLog->toString();
     73     EXPECT_FALSE(logString.contains("log1"));
     74     EXPECT_FALSE(logString.contains("log2"));
     75     EXPECT_TRUE(logString.contains("log3"));
     76     EXPECT_TRUE(logString.contains("log4"));
     77     EXPECT_TRUE(logString.contains("log5"));
     78     ALOGV("toString:\n%s", logString.string());
     79 }
     80 
     81 } // namespace android
     82