henrike@webrtc.org | f7795df | 2014-05-13 18:00:26 +0000 | [diff] [blame^] | 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 | public: |
| 21 | static void SetUpTestCase() { |
| 22 | rtc::InitializeSSL(); |
| 23 | } |
| 24 | |
| 25 | static void TearDownTestCase() { |
| 26 | rtc::CleanupSSL(); |
| 27 | } |
| 28 | }; |
| 29 | |
| 30 | TEST_F(RandomTest, TestCreateRandomId) { |
| 31 | CreateRandomId(); |
| 32 | } |
| 33 | |
| 34 | TEST_F(RandomTest, TestCreateRandomDouble) { |
| 35 | for (int i = 0; i < 100; ++i) { |
| 36 | double r = CreateRandomDouble(); |
| 37 | EXPECT_GE(r, 0.0); |
| 38 | EXPECT_LT(r, 1.0); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | TEST_F(RandomTest, TestCreateNonZeroRandomId) { |
| 43 | EXPECT_NE(0U, CreateRandomNonZeroId()); |
| 44 | } |
| 45 | |
| 46 | TEST_F(RandomTest, TestCreateRandomString) { |
| 47 | std::string random = CreateRandomString(256); |
| 48 | EXPECT_EQ(256U, random.size()); |
| 49 | std::string random2; |
| 50 | EXPECT_TRUE(CreateRandomString(256, &random2)); |
| 51 | EXPECT_NE(random, random2); |
| 52 | EXPECT_EQ(256U, random2.size()); |
| 53 | } |
| 54 | |
| 55 | TEST_F(RandomTest, TestCreateRandomForTest) { |
| 56 | // Make sure we get the output we expect. |
| 57 | SetRandomTestMode(true); |
| 58 | EXPECT_EQ(2154761789U, CreateRandomId()); |
| 59 | EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16)); |
| 60 | |
| 61 | // Reset and make sure we get the same output. |
| 62 | SetRandomTestMode(true); |
| 63 | EXPECT_EQ(2154761789U, CreateRandomId()); |
| 64 | EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16)); |
| 65 | |
| 66 | // Test different character sets. |
| 67 | SetRandomTestMode(true); |
| 68 | std::string str; |
| 69 | EXPECT_TRUE(CreateRandomString(16, "a", &str)); |
| 70 | EXPECT_EQ("aaaaaaaaaaaaaaaa", str); |
| 71 | EXPECT_TRUE(CreateRandomString(16, "abc", &str)); |
| 72 | EXPECT_EQ("acbccaaaabbaacbb", str); |
| 73 | |
| 74 | // Turn off test mode for other tests. |
| 75 | SetRandomTestMode(false); |
| 76 | } |
| 77 | |
| 78 | } // namespace rtc |