Index: webrtc/rtc_base/moving_max_counter_unittest.cc |
diff --git a/webrtc/rtc_base/moving_max_counter_unittest.cc b/webrtc/rtc_base/moving_max_counter_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4cae3657c63d9c7ec4b896c67a641105564aafd4 |
--- /dev/null |
+++ b/webrtc/rtc_base/moving_max_counter_unittest.cc |
@@ -0,0 +1,57 @@ |
+/* |
+ * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
+ * |
+ * Use of this source code is governed by a BSD-style license |
+ * that can be found in the LICENSE file in the root of the source |
+ * tree. An additional intellectual property rights grant can be found |
+ * in the file PATENTS. All contributing project authors may |
+ * be found in the AUTHORS file in the root of the source tree. |
+ */ |
+ |
+#include "webrtc/rtc_base/moving_max_counter.h" |
+#include "webrtc/test/gtest.h" |
+ |
+TEST(MovingMaxCounter, ReportsMaximumInTheWindow) { |
+ rtc::MovingMaxCounter<int> counter(100); |
+ counter.Add(1, 1); |
+ EXPECT_EQ(counter.Max(1).value_or(-1), 1); |
kwiberg-webrtc
2017/08/22 11:13:30
You can write this sort of thing as
EXPECT_EQ(r
ilnik
2017/08/22 12:03:56
Cool, it never occurred to me to compare optionals
|
+ counter.Add(2, 30); |
+ EXPECT_EQ(counter.Max(30).value_or(-1), 2); |
+ counter.Add(100, 60); |
+ EXPECT_EQ(counter.Max(60).value_or(-1), 100); |
+ counter.Add(4, 70); |
+ EXPECT_EQ(counter.Max(70).value_or(-1), 100); |
+ counter.Add(5, 90); |
+ EXPECT_EQ(counter.Max(90).value_or(-1), 100); |
+} |
+ |
+TEST(MovingMaxCounter, IgnoresOldElements) { |
+ rtc::MovingMaxCounter<int> counter(100); |
+ counter.Add(1, 1); |
+ counter.Add(2, 30); |
+ counter.Add(100, 60); |
+ counter.Add(5, 70); |
+ counter.Add(4, 90); |
+ EXPECT_EQ(counter.Max(160).value_or(-1), 100); |
+ // 100 is now out of the window. |
+ EXPECT_EQ(*counter.Max(161), 5); |
+} |
+ |
+TEST(MovingMaxCounter, HandlesEmptyWindow) { |
+ rtc::MovingMaxCounter<int> counter(100); |
+ counter.Add(123, 1); |
+ EXPECT_TRUE(counter.Max(101).has_value()); |
+ EXPECT_FALSE(counter.Max(102).has_value()); |
+} |
+ |
+TEST(MovingMaxCounter, HandlesSamplesWithEqualTimestamps) { |
+ rtc::MovingMaxCounter<int> counter(100); |
+ counter.Add(2, 30); |
+ EXPECT_EQ(counter.Max(30).value_or(-1), 2); |
+ counter.Add(5, 30); |
+ EXPECT_EQ(counter.Max(30).value_or(-1), 5); |
+ counter.Add(4, 30); |
+ EXPECT_EQ(counter.Max(30).value_or(-1), 5); |
+ counter.Add(1, 90); |
+ EXPECT_EQ(counter.Max(150).value_or(-1), 1); |
+} |