1/*
2 *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#include "webrtc/base/gunit.h"
12#include "webrtc/base/ratelimiter.h"
13
14namespace rtc {
15
16TEST(RateLimiterTest, TestCanUse) {
17  // Diet: Can eat 2,000 calories per day.
18  RateLimiter limiter = RateLimiter(2000, 1.0);
19
20  double monday = 1.0;
21  double tuesday = 2.0;
22  double thursday = 4.0;
23
24  EXPECT_TRUE(limiter.CanUse(0, monday));
25  EXPECT_TRUE(limiter.CanUse(1000, monday));
26  EXPECT_TRUE(limiter.CanUse(1999, monday));
27  EXPECT_TRUE(limiter.CanUse(2000, monday));
28  EXPECT_FALSE(limiter.CanUse(2001, monday));
29
30  limiter.Use(1000, monday);
31
32  EXPECT_TRUE(limiter.CanUse(0, monday));
33  EXPECT_TRUE(limiter.CanUse(999, monday));
34  EXPECT_TRUE(limiter.CanUse(1000, monday));
35  EXPECT_FALSE(limiter.CanUse(1001, monday));
36
37  limiter.Use(1000, monday);
38
39  EXPECT_TRUE(limiter.CanUse(0, monday));
40  EXPECT_FALSE(limiter.CanUse(1, monday));
41
42  EXPECT_TRUE(limiter.CanUse(0, tuesday));
43  EXPECT_TRUE(limiter.CanUse(1, tuesday));
44  EXPECT_TRUE(limiter.CanUse(1999, tuesday));
45  EXPECT_TRUE(limiter.CanUse(2000, tuesday));
46  EXPECT_FALSE(limiter.CanUse(2001, tuesday));
47
48  limiter.Use(1000, tuesday);
49
50  EXPECT_TRUE(limiter.CanUse(1000, tuesday));
51  EXPECT_FALSE(limiter.CanUse(1001, tuesday));
52
53  limiter.Use(1000, thursday);
54
55  EXPECT_TRUE(limiter.CanUse(1000, tuesday));
56  EXPECT_FALSE(limiter.CanUse(1001, tuesday));
57}
58
59}  // namespace rtc
60