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      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