1 // Copyright 2010 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 #ifndef V8_V8_TEST_H_ 29 #define V8_V8_TEST_H_ 30 31 #include "v8.h" 32 33 /** 34 * Testing support for the V8 JavaScript engine. 35 */ 36 namespace v8 { 37 38 class V8_EXPORT Testing { 39 public: 40 enum StressType { 41 kStressTypeOpt, 42 kStressTypeDeopt 43 }; 44 45 /** 46 * Set the type of stressing to do. The default if not set is kStressTypeOpt. 47 */ 48 static void SetStressRunType(StressType type); 49 50 /** 51 * Get the number of runs of a given test that is required to get the full 52 * stress coverage. 53 */ 54 static int GetStressRuns(); 55 56 /** 57 * Indicate the number of the run which is about to start. The value of run 58 * should be between 0 and one less than the result from GetStressRuns() 59 */ 60 static void PrepareStressRun(int run); 61 62 /** 63 * Force deoptimization of all functions. 64 */ 65 static void DeoptimizeAll(); 66 }; 67 68 69 } // namespace v8 70 71 #endif // V8_V8_TEST_H_ 72