1 // Copyright 2013 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 #include "src/v8.h" 29 #include "test/cctest/cctest.h" 30 31 #include "src/base/utils/random-number-generator.h" 32 #include "src/isolate-inl.h" 33 34 using namespace v8::internal; 35 36 37 static const int64_t kRandomSeeds[] = {-1, 1, 42, 100, 1234567890, 987654321}; 38 39 40 TEST(RandomSeedFlagIsUsed) { 41 for (unsigned n = 0; n < arraysize(kRandomSeeds); ++n) { 42 FLAG_random_seed = static_cast<int>(kRandomSeeds[n]); 43 v8::Isolate* i = v8::Isolate::New(); 44 v8::base::RandomNumberGenerator& rng = 45 *reinterpret_cast<Isolate*>(i)->random_number_generator(); 46 CHECK_EQ(kRandomSeeds[n], rng.initial_seed()); 47 i->Dispose(); 48 } 49 } 50
