1 /* 2 * Copyright 2004 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 <string> 12 13 #include "webrtc/base/gunit.h" 14 #include "webrtc/base/helpers.h" 15 #include "webrtc/base/ssladapter.h" 16 17 namespace rtc { 18 19 class RandomTest : public testing::Test {}; 20 21 TEST_F(RandomTest, TestCreateRandomId) { 22 CreateRandomId(); 23 } 24 25 TEST_F(RandomTest, TestCreateRandomDouble) { 26 for (int i = 0; i < 100; ++i) { 27 double r = CreateRandomDouble(); 28 EXPECT_GE(r, 0.0); 29 EXPECT_LT(r, 1.0); 30 } 31 } 32 33 TEST_F(RandomTest, TestCreateNonZeroRandomId) { 34 EXPECT_NE(0U, CreateRandomNonZeroId()); 35 } 36 37 TEST_F(RandomTest, TestCreateRandomString) { 38 std::string random = CreateRandomString(256); 39 EXPECT_EQ(256U, random.size()); 40 std::string random2; 41 EXPECT_TRUE(CreateRandomString(256, &random2)); 42 EXPECT_NE(random, random2); 43 EXPECT_EQ(256U, random2.size()); 44 } 45 46 TEST_F(RandomTest, TestCreateRandomUuid) { 47 std::string random = CreateRandomUuid(); 48 EXPECT_EQ(36U, random.size()); 49 } 50 51 TEST_F(RandomTest, TestCreateRandomForTest) { 52 // Make sure we get the output we expect. 53 SetRandomTestMode(true); 54 EXPECT_EQ(2154761789U, CreateRandomId()); 55 EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16)); 56 EXPECT_EQ("41706e92-cdd3-46d9-a22d-8ff1737ffb11", CreateRandomUuid()); 57 58 // Reset and make sure we get the same output. 59 SetRandomTestMode(true); 60 EXPECT_EQ(2154761789U, CreateRandomId()); 61 EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16)); 62 EXPECT_EQ("41706e92-cdd3-46d9-a22d-8ff1737ffb11", CreateRandomUuid()); 63 64 // Test different character sets. 65 SetRandomTestMode(true); 66 std::string str; 67 EXPECT_TRUE(CreateRandomString(16, "a", &str)); 68 EXPECT_EQ("aaaaaaaaaaaaaaaa", str); 69 EXPECT_TRUE(CreateRandomString(16, "abc", &str)); 70 EXPECT_EQ("acbccaaaabbaacbb", str); 71 72 // Turn off test mode for other tests. 73 SetRandomTestMode(false); 74 } 75 76 } // namespace rtc 77
