huangcm
2025-07-01 676035278781360996553c427a12bf358249ebf7
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/*
 *  Copyright 2012 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/base/gunit.h"
#include "webrtc/base/ratelimiter.h"
 
namespace rtc {
 
TEST(RateLimiterTest, TestCanUse) {
  // Diet: Can eat 2,000 calories per day.
  RateLimiter limiter = RateLimiter(2000, 1.0);
 
  double monday = 1.0;
  double tuesday = 2.0;
  double thursday = 4.0;
 
  EXPECT_TRUE(limiter.CanUse(0, monday));
  EXPECT_TRUE(limiter.CanUse(1000, monday));
  EXPECT_TRUE(limiter.CanUse(1999, monday));
  EXPECT_TRUE(limiter.CanUse(2000, monday));
  EXPECT_FALSE(limiter.CanUse(2001, monday));
 
  limiter.Use(1000, monday);
 
  EXPECT_TRUE(limiter.CanUse(0, monday));
  EXPECT_TRUE(limiter.CanUse(999, monday));
  EXPECT_TRUE(limiter.CanUse(1000, monday));
  EXPECT_FALSE(limiter.CanUse(1001, monday));
 
  limiter.Use(1000, monday);
 
  EXPECT_TRUE(limiter.CanUse(0, monday));
  EXPECT_FALSE(limiter.CanUse(1, monday));
 
  EXPECT_TRUE(limiter.CanUse(0, tuesday));
  EXPECT_TRUE(limiter.CanUse(1, tuesday));
  EXPECT_TRUE(limiter.CanUse(1999, tuesday));
  EXPECT_TRUE(limiter.CanUse(2000, tuesday));
  EXPECT_FALSE(limiter.CanUse(2001, tuesday));
 
  limiter.Use(1000, tuesday);
 
  EXPECT_TRUE(limiter.CanUse(1000, tuesday));
  EXPECT_FALSE(limiter.CanUse(1001, tuesday));
 
  limiter.Use(1000, thursday);
 
  EXPECT_TRUE(limiter.CanUse(1000, tuesday));
  EXPECT_FALSE(limiter.CanUse(1001, tuesday));
}
 
}  // namespace rtc