3 * Copyright 2004--2011, Google Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
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.
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.
30 #include "talk/base/gunit.h"
31 #include "talk/base/helpers.h"
35 TEST(RandomTest, TestCreateRandomId) {
39 TEST(RandomTest, TestCreateRandomDouble) {
40 for (int i = 0; i < 100; ++i) {
41 double r = CreateRandomDouble();
47 TEST(RandomTest, TestCreateNonZeroRandomId) {
48 EXPECT_NE(0U, CreateRandomNonZeroId());
51 TEST(RandomTest, TestCreateRandomString) {
52 std::string random = CreateRandomString(256);
53 EXPECT_EQ(256U, random.size());
55 EXPECT_TRUE(CreateRandomString(256, &random2));
56 EXPECT_NE(random, random2);
57 EXPECT_EQ(256U, random2.size());
60 TEST(RandomTest, TestCreateRandomForTest) {
61 // Make sure we get the output we expect.
62 SetRandomTestMode(true);
63 EXPECT_EQ(2154761789U, CreateRandomId());
64 EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16));
66 // Reset and make sure we get the same output.
67 SetRandomTestMode(true);
68 EXPECT_EQ(2154761789U, CreateRandomId());
69 EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16));
71 // Test different character sets.
72 SetRandomTestMode(true);
74 EXPECT_TRUE(CreateRandomString(16, "a", &str));
75 EXPECT_EQ("aaaaaaaaaaaaaaaa", str);
76 EXPECT_TRUE(CreateRandomString(16, "abc", &str));
77 EXPECT_EQ("acbccaaaabbaacbb", str);
79 // Turn off test mode for other tests.
80 SetRandomTestMode(false);
83 } // namespace talk_base