Implement simpleperf stat subcommand.

Also add some simple unit-tests.

Change-Id: Ic30a2d4a879e028a8c82babbaf82e322fc49a838

1 files changed, 43 insertions, 0 deletions

diff --git a/simpleperf/workload_test.cpp b/simpleperf/workload_test.cpp
new file mode 100644
index 00000000..5f0645f2
--- /dev/null
+++ b/simpleperf/workload_test.cpp
@@ -0,0 +1,43 @@
+/*
+ * 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 <workload.h>
+
+#include <chrono>
+
+using namespace std::chrono;
+
+TEST(workload, smoke) {
+  auto workload = Workload::CreateWorkload({"sleep", "1"});
+  ASSERT_TRUE(workload != nullptr);
+  ASSERT_FALSE(workload->IsFinished());
+  ASSERT_TRUE(workload->GetWorkPid() != 0);
+  auto start_time = steady_clock::now();
+  ASSERT_TRUE(workload->Start());
+  ASSERT_FALSE(workload->IsFinished());
+  workload->WaitFinish();
+  ASSERT_TRUE(workload->IsFinished());
+  auto end_time = steady_clock::now();
+  ASSERT_TRUE(end_time >= start_time + seconds(1));
+}
+
+TEST(workload, execvp_failure) {
+  auto workload = Workload::CreateWorkload({"/dev/null"});
+  ASSERT_TRUE(workload != nullptr);
+  ASSERT_FALSE(workload->Start());
+}