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* Copyright 2004--2011, Google Inc.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "talk/base/gunit.h"
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#include "talk/base/helpers.h"
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TEST(RandomTest, TestCreateRandomId) {
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TEST(RandomTest, TestCreateRandomDouble) {
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for (int i = 0; i < 100; ++i) {
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double r = CreateRandomDouble();
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TEST(RandomTest, TestCreateNonZeroRandomId) {
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EXPECT_NE(0U, CreateRandomNonZeroId());
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TEST(RandomTest, TestCreateRandomString) {
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std::string random = CreateRandomString(256);
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EXPECT_EQ(256U, random.size());
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EXPECT_TRUE(CreateRandomString(256, &random2));
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EXPECT_NE(random, random2);
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EXPECT_EQ(256U, random2.size());
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TEST(RandomTest, TestCreateRandomForTest) {
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// Make sure we get the output we expect.
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SetRandomTestMode(true);
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EXPECT_EQ(2154761789U, CreateRandomId());
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EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16));
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// Reset and make sure we get the same output.
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SetRandomTestMode(true);
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EXPECT_EQ(2154761789U, CreateRandomId());
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EXPECT_EQ("h0ISP4S5SJKH/9EY", CreateRandomString(16));
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// Test different character sets.
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SetRandomTestMode(true);
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EXPECT_TRUE(CreateRandomString(16, "a", &str));
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EXPECT_EQ("aaaaaaaaaaaaaaaa", str);
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EXPECT_TRUE(CreateRandomString(16, "abc", &str));
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EXPECT_EQ("acbccaaaabbaacbb", str);
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// Turn off test mode for other tests.
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SetRandomTestMode(false);
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} // namespace talk_base