1 files changed, 130 insertions, 0 deletions
diff --git a/cmds/incident_helper/tests/CpuFreqParser_test.cpp b/cmds/incident_helper/tests/CpuFreqParser_test.cpp
new file mode 100644
index 000000000000..1c2f9e59308d
--- /dev/null
+++ b/cmds/incident_helper/tests/CpuFreqParser_test.cpp
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+#include "CpuFreqParser.h"
+
+#include "frameworks/base/core/proto/android/os/cpufreq.pb.h"
+
+#include <android-base/file.h>
+#include <android-base/test_utils.h>
+#include <gmock/gmock.h>
+#include <google/protobuf/message.h>
+#include <gtest/gtest.h>
+#include <string.h>
+#include <fcntl.h>
+
+using namespace android::base;
+using namespace android::os;
+using namespace std;
+using ::testing::StrEq;
+using ::testing::Test;
+using ::testing::internal::CaptureStderr;
+using ::testing::internal::CaptureStdout;
+using ::testing::internal::GetCapturedStderr;
+using ::testing::internal::GetCapturedStdout;
+
+class CpuFreqParserTest : public Test {
+public:
+    virtual void SetUp() override {
+        ASSERT_TRUE(tf.fd != -1);
+    }
+
+    string getSerializedString(::google::protobuf::Message& message) {
+        string expectedStr;
+        message.SerializeToFileDescriptor(tf.fd);
+        ReadFileToString(tf.path, &expectedStr);
+        return expectedStr;
+    }
+
+protected:
+    TemporaryFile tf;
+
+    const string kTestPath = GetExecutableDirectory();
+    const string kTestDataPath = kTestPath + "/testdata/";
+};
+
+TEST_F(CpuFreqParserTest, Success) {
+    const string testFile = kTestDataPath + "cpufreq.txt";
+    CpuFreqParser parser;
+    CpuFreq expected;
+
+    long jiffyHz = sysconf(_SC_CLK_TCK);
+    expected.set_jiffy_hz(jiffyHz);
+
+    CpuFreqStats::TimeInState* state;
+
+    CpuFreqStats* cpu0 = expected.add_cpu_freqs();
+    cpu0->set_cpu_name("cpu0");
+    state = cpu0->add_times();
+    state->set_state_khz(307200);
+    state->set_time_jiffy(23860761);
+    state = cpu0->add_times();
+    state->set_state_khz(384000);
+    state->set_time_jiffy(83124);
+    state = cpu0->add_times();
+    state->set_state_khz(768000);
+    state->set_time_jiffy(22652);
+
+    CpuFreqStats* cpu1 = expected.add_cpu_freqs();
+    cpu1->set_cpu_name("cpu1");
+    state = cpu1->add_times();
+    state->set_state_khz(307200);
+    state->set_time_jiffy(23860761);
+    state = cpu1->add_times();
+    state->set_state_khz(384000);
+    state->set_time_jiffy(83124);
+    state = cpu1->add_times();
+    state->set_state_khz(768000);
+    state->set_time_jiffy(22652);
+
+    CpuFreqStats* cpu2 = expected.add_cpu_freqs();
+    cpu2->set_cpu_name("cpu2");
+    state = cpu2->add_times();
+    state->set_state_khz(307200);
+    state->set_time_jiffy(23890935);
+    state = cpu2->add_times();
+    state->set_state_khz(384000);
+    state->set_time_jiffy(29383);
+    state = cpu2->add_times();
+    state->set_state_khz(748800);
+    state->set_time_jiffy(10547);
+    state = cpu2->add_times();
+    state->set_state_khz(825600);
+    state->set_time_jiffy(13173);
+
+    CpuFreqStats* cpu3 = expected.add_cpu_freqs();
+    cpu3->set_cpu_name("cpu3");
+    state = cpu3->add_times();
+    state->set_state_khz(307200);
+    state->set_time_jiffy(23890935);
+    state = cpu3->add_times();
+    state->set_state_khz(384000);
+    state->set_time_jiffy(29383);
+    state = cpu3->add_times();
+    state->set_state_khz(748800);
+    state->set_time_jiffy(10547);
+    state = cpu3->add_times();
+    state->set_state_khz(825600);
+    state->set_time_jiffy(13173);
+
+    int fd = open(testFile.c_str(), O_RDONLY);
+    ASSERT_TRUE(fd != -1);
+
+    CaptureStdout();
+    ASSERT_EQ(NO_ERROR, parser.Parse(fd, STDOUT_FILENO));
+    EXPECT_EQ(GetCapturedStdout(), getSerializedString(expected));
+    close(fd);
+}