1 files changed, 61 insertions, 0 deletions
diff --git a/pw_perf_test/state_test.cc b/pw_perf_test/state_test.cc
new file mode 100644
index 000000000..647e47a3b
--- /dev/null
+++ b/pw_perf_test/state_test.cc
@@ -0,0 +1,61 @@
+// Copyright 2022 The Pigweed Authors
+//
+// 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
+//
+//     https://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 "pw_perf_test/event_handler.h"
+#include "pw_perf_test/perf_test.h"
+
+namespace pw::perf_test {
+namespace {
+
+class EmptyEventHandler : public EventHandler {
+ public:
+  void RunAllTestsStart(const TestRunInfo&) override {}
+  void TestCaseStart(const TestCase&) override {}
+  void TestCaseEnd(const TestCase&, const Results&) override {}
+  void TestCaseIteration(const IterationResult&) override {}
+  void RunAllTestsEnd() override {}
+};
+
+EmptyEventHandler handler;
+
+void TestFunction() {
+  for (volatile int i = 0; i < 100000; i = i + 1) {
+  }
+}
+
+TEST(StateTest, KeepRunningTest) {
+  constexpr int test_iterations = 10;
+  State state_obj = internal::CreateState(test_iterations, handler, "");
+  int total_iterations = 0;
+  while (state_obj.KeepRunning()) {
+    ++total_iterations;
+    TestFunction();
+  }
+  EXPECT_EQ(total_iterations, test_iterations);
+}
+
+TEST(StateTest, SingleTest) {
+  constexpr int test_iterations = 1;
+  State state_obj = internal::CreateState(test_iterations, handler, "");
+  int total_iterations = 0;
+  while (state_obj.KeepRunning()) {
+    ++total_iterations;
+    TestFunction();
+  }
+  EXPECT_EQ(total_iterations, test_iterations);
+}
+
+}  // namespace
+}  // namespace pw::perf_test