Implement simpleperf stat subcommand.

Also add some simple unit-tests.

Change-Id: Ic30a2d4a879e028a8c82babbaf82e322fc49a838

1 files changed, 52 insertions, 0 deletions

diff --git a/simpleperf/cmd_stat_test.cpp b/simpleperf/cmd_stat_test.cpp
new file mode 100644
index 00000000..acf668f8
--- /dev/null
+++ b/simpleperf/cmd_stat_test.cpp
@@ -0,0 +1,52 @@
+/*
+ * 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.
+ */
+
+#include <gtest/gtest.h>
+
+#include <chrono>
+
+#include <command.h>
+
+class StatCommandTest : public ::testing::Test {
+ protected:
+  virtual void SetUp() {
+    stat_cmd = Command::FindCommandByName("stat");
+    ASSERT_TRUE(stat_cmd != nullptr);
+  }
+
+ protected:
+  Command* stat_cmd;
+};
+
+TEST_F(StatCommandTest, no_options) {
+  ASSERT_TRUE(stat_cmd->Run({}));
+}
+
+TEST_F(StatCommandTest, event_option) {
+  ASSERT_TRUE(stat_cmd->Run({"-e", "cpu-clock,task-clock"}));
+}
+
+TEST_F(StatCommandTest, system_wide_option) {
+  ASSERT_TRUE(stat_cmd->Run({"-a"}));
+}
+
+TEST_F(StatCommandTest, verbose_option) {
+  ASSERT_TRUE(stat_cmd->Run({"--verbose"}));
+}
+
+TEST_F(StatCommandTest, help_option) {
+  ASSERT_TRUE(stat_cmd->Run({"--help"}));
+}