1 /* 2 * libjingle 3 * Copyright 2004--2011, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include <string> 29 30 #include "talk/base/gunit.h" 31 #include "talk/base/helpers.h" 32 #include "talk/base/ssladapter.h" 33 34 namespace talk_base { 35 36 class RandomTest : public testing::Test { 37 public: 38 static void SetUpTestCase() { 39 talk_base::InitializeSSL(); 40 } 41 42 static void TearDownTestCase() { 43 talk_base::CleanupSSL(); 44 } 45 }; 46 47 TEST_F(RandomTest, TestCreateRandomId) { 48 CreateRandomId(); 49 } 50 51 TEST_F(RandomTest, TestCreateRandomDouble) { 52 for (int i = 0; i < 100; ++i) { 53 double r = CreateRandomDouble(); 54 EXPECT_GE(r, 0.0); 55 EXPECT_LT(r, 1.0); 56 } 57 } 58 59 TEST_F(RandomTest, TestCreateNonZeroRandomId) { 60 EXPECT_NE(0U, CreateRandomNonZeroId()); 61 } 62 63 TEST_F(RandomTest, TestCreateRandomString) { 64 std::string random = CreateRandomString(256); 65 EXPECT_EQ(256U, random.size()); 66 std::string random2; 67 EXPECT_TRUE(CreateRandomString(256, &random2)); 68 EXPECT_NE(random, random2); 69 EXPECT_EQ(256U, random2.size()); 70 } 71 72 TEST_F(RandomTest, TestCreateRandomForTest) { 73 // Make sure we get the output we expect. 74 SetRandomTestMode(true); 75 EXPECT_EQ(2154761789U, CreateRandomId()); 76 EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16)); 77 78 // Reset and make sure we get the same output. 79 SetRandomTestMode(true); 80 EXPECT_EQ(2154761789U, CreateRandomId()); 81 EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16)); 82 83 // Test different character sets. 84 SetRandomTestMode(true); 85 std::string str; 86 EXPECT_TRUE(CreateRandomString(16, "a", &str)); 87 EXPECT_EQ("aaaaaaaaaaaaaaaa", str); 88 EXPECT_TRUE(CreateRandomString(16, "abc", &str)); 89 EXPECT_EQ("acbccaaaabbaacbb", str); 90 91 // Turn off test mode for other tests. 92 SetRandomTestMode(false); 93 } 94 95 } // namespace talk_base 96