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
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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#ifdef _WIN32
34// Setup for Windows DLL export/import. See v8.h in this directory for
35// information on how to build/use V8 as a DLL.
36#if defined(BUILDING_V8_SHARED) && defined(USING_V8_SHARED)
37#error both BUILDING_V8_SHARED and USING_V8_SHARED are set - please check the\
38  build configuration to ensure that at most one of these is set
39#endif
40
41#ifdef BUILDING_V8_SHARED
42#define V8EXPORT __declspec(dllexport)
43#elif USING_V8_SHARED
44#define V8EXPORT __declspec(dllimport)
45#else
46#define V8EXPORT
47#endif
48
49#else  // _WIN32
50
51// Setup for Linux shared library export. See v8.h in this directory for
52// information on how to build/use V8 as shared library.
53#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(V8_SHARED)
54#define V8EXPORT __attribute__ ((visibility("default")))
55#else  // defined(__GNUC__) && (__GNUC__ >= 4)
56#define V8EXPORT
57#endif  // defined(__GNUC__) && (__GNUC__ >= 4)
58
59#endif  // _WIN32
60
61
62/**
63 * Testing support for the V8 JavaScript engine.
64 */
65namespace v8 {
66
67class V8EXPORT Testing {
68 public:
69  enum StressType {
70    kStressTypeOpt,
71    kStressTypeDeopt
72  };
73
74  /**
75   * Set the type of stressing to do. The default if not set is kStressTypeOpt.
76   */
77  static void SetStressRunType(StressType type);
78
79  /**
80   * Get the number of runs of a given test that is required to get the full
81   * stress coverage.
82   */
83  static int GetStressRuns();
84
85  /**
86   * Indicate the number of the run which is about to start. The value of run
87   * should be between 0 and one less than the result from GetStressRuns()
88   */
89  static void PrepareStressRun(int run);
90
91  /**
92   * Force deoptimization of all functions.
93   */
94  static void DeoptimizeAll();
95};
96
97
98}  // namespace v8
99
100
101#undef V8EXPORT
102
103
104#endif  // V8_V8_TEST_H_
105