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      1 /*
      2  * Copyright (C) 2010 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
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      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
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     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     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
     59