third_party/WebKit/Source/web/tests/WebUnitTests.h

   1 /*
   2  * Copyright (C) 2010 Google Inc. All rights reserved.
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   4  * Redistribution and use in source and binary forms, with or without
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  10  *     * Redistributions in binary form must reproduce the above
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  12  * in the documentation and/or other materials provided with the
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  30
  31 #ifndef WebUnitTests_h
  32 #define WebUnitTests_h
  33
  34 #include "public/platform/WebCommon.h"
  35
  36 namespace blink {
  37
  38 // In a chromium multi-dll build, blink unittest code is compiled into
  39 // blink_web.dll, since some of the tests cover unexported methods.
  40 //
  41 // While gtest does support running tests in libraries, the chromium gtest is
  42 // not built with shared library support. As a result, if the test runner tries
  43 // to instantiate the test suite outside of blink_web.dll, it won't correctly
  44 // register the tests. In order to get around that, blink_web.dll exports this
  45 // helper function to instantiate and run the test suite in the right module.
  46 //
  47 // Unfortunately, to make things more complicated, blink tests require some test
  48 // support initialization in the content layer. Since the content layer depends
  49 // on blink_web.dll, runWebTests() can't initialize it directly since that
  50 // introduces a dependency cycle.
  51 //
  52 // To get around that, runWebTests() allows the caller to supply hooks to
  53 // execute code before and after running tests.
  54 BLINK_EXPORT int runWebTests(int argc, char** argv, void (*preTestHook)(void), void (*postTestHook)(void));
  55
  56 } // namespace blink
  57
  58 #endif