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 
14 namespace rtc {
15 
TEST(RateLimiterTest,TestCanUse)16 TEST(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