1 files changed, 92 insertions, 0 deletions
diff --git a/dom/media/gtest/TestBenchmarkStorage.cpp b/dom/media/gtest/TestBenchmarkStorage.cpp
new file mode 100644
index 0000000000..0f1eb7e4c4
--- /dev/null
+++ b/dom/media/gtest/TestBenchmarkStorage.cpp
@@ -0,0 +1,92 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/BenchmarkStorageParent.h"
+
+#include "gmock/gmock.h"
+#include "gtest/gtest-printers.h"
+#include "gtest/gtest.h"
+
+using ::testing::Return;
+using namespace mozilla;
+
+TEST(BenchmarkStorage, MovingAverage)
+{
+  int32_t av = 0;
+  int32_t win = 0;
+  int32_t val = 100;
+  BenchmarkStorageParent::MovingAverage(av, win, val);
+  EXPECT_EQ(av, val) << "1st average";
+  EXPECT_EQ(win, 1) << "1st window";
+
+  av = 50;
+  win = 1;
+  val = 100;
+  BenchmarkStorageParent::MovingAverage(av, win, val);
+  EXPECT_EQ(av, 75) << "2nd average";
+  EXPECT_EQ(win, 2) << "2nd window";
+
+  av = 100;
+  win = 9;
+  val = 90;
+  BenchmarkStorageParent::MovingAverage(av, win, val);
+  EXPECT_EQ(av, 99) << "9th average";
+  EXPECT_EQ(win, 10) << "9th window";
+
+  av = 90;
+  win = 19;
+  val = 90;
+  BenchmarkStorageParent::MovingAverage(av, win, val);
+  EXPECT_EQ(av, 90) << "19th average";
+  EXPECT_EQ(win, 20) << "19th window";
+
+  av = 90;
+  win = 20;
+  val = 100;
+  BenchmarkStorageParent::MovingAverage(av, win, val);
+  EXPECT_EQ(av, 91) << "20th average";
+  EXPECT_EQ(win, 20) << "20th window";
+}
+
+TEST(BenchmarkStorage, ParseStoredValue)
+{
+  int32_t win = 0;
+  int32_t score = BenchmarkStorageParent::ParseStoredValue(1100, win);
+  EXPECT_EQ(win, 1) << "Window";
+  EXPECT_EQ(score, 100) << "Score/Percentage";
+
+  win = 0;
+  score = BenchmarkStorageParent::ParseStoredValue(10099, win);
+  EXPECT_EQ(win, 10) << "Window";
+  EXPECT_EQ(score, 99) << "Score/Percentage";
+
+  win = 0;
+  score = BenchmarkStorageParent::ParseStoredValue(15038, win);
+  EXPECT_EQ(win, 15) << "Window";
+  EXPECT_EQ(score, 38) << "Score/Percentage";
+
+  win = 0;
+  score = BenchmarkStorageParent::ParseStoredValue(20099, win);
+  EXPECT_EQ(win, 20) << "Window";
+  EXPECT_EQ(score, 99) << "Score/Percentage";
+}
+
+TEST(BenchmarkStorage, PrepareStoredValue)
+{
+  int32_t stored_value = BenchmarkStorageParent::PrepareStoredValue(80, 1);
+  EXPECT_EQ(stored_value, 1080) << "Window";
+
+  stored_value = BenchmarkStorageParent::PrepareStoredValue(100, 6);
+  EXPECT_EQ(stored_value, 6100) << "Window";
+
+  stored_value = BenchmarkStorageParent::PrepareStoredValue(1, 10);
+  EXPECT_EQ(stored_value, 10001) << "Window";
+
+  stored_value = BenchmarkStorageParent::PrepareStoredValue(88, 13);
+  EXPECT_EQ(stored_value, 13088) << "Window";
+
+  stored_value = BenchmarkStorageParent::PrepareStoredValue(100, 20);
+  EXPECT_EQ(stored_value, 20100) << "Window";
+}