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      1 /* Copyright (c) 2017, Google Inc.
      2  *
      3  * Permission to use, copy, modify, and/or distribute this software for any
      4  * purpose with or without fee is hereby granted, provided that the above
      5  * copyright notice and this permission notice appear in all copies.
      6  *
      7  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      8  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      9  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     10  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     11  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
     12  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     13  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
     14 
     15 #ifndef OPENSSL_HEADER_CRYPTO_TEST_GTEST_MAIN_H
     16 #define OPENSSL_HEADER_CRYPTO_TEST_GTEST_MAIN_H
     17 
     18 #include <stdio.h>
     19 #include <stdlib.h>
     20 
     21 #include <gtest/gtest.h>
     22 
     23 #include <openssl/crypto.h>
     24 #include <openssl/err.h>
     25 
     26 #if defined(OPENSSL_WINDOWS)
     27 OPENSSL_MSVC_PRAGMA(warning(push, 3))
     28 #include <winsock2.h>
     29 OPENSSL_MSVC_PRAGMA(warning(pop))
     30 #endif
     31 
     32 
     33 namespace bssl {
     34 
     35 class ErrorTestEventListener : public testing::EmptyTestEventListener {
     36  public:
     37   ErrorTestEventListener() {}
     38   ~ErrorTestEventListener() override {}
     39 
     40   void OnTestEnd(const testing::TestInfo &test_info) override {
     41     if (test_info.result()->Failed()) {
     42       // The test failed. Print any errors left in the error queue.
     43       ERR_print_errors_fp(stdout);
     44     } else {
     45       // The test succeeded, so any failed operations are expected. Clear the
     46       // error queue without printing.
     47       ERR_clear_error();
     48     }
     49   }
     50 };
     51 
     52 // SetupGoogleTest should be called by the test runner after
     53 // testing::InitGoogleTest has been called and before RUN_ALL_TESTS.
     54 inline void SetupGoogleTest() {
     55   CRYPTO_library_init();
     56 
     57 #if defined(OPENSSL_WINDOWS)
     58   // Initialize Winsock.
     59   WORD wsa_version = MAKEWORD(2, 2);
     60   WSADATA wsa_data;
     61   int wsa_err = WSAStartup(wsa_version, &wsa_data);
     62   if (wsa_err != 0) {
     63     fprintf(stderr, "WSAStartup failed: %d\n", wsa_err);
     64     exit(1);
     65   }
     66   if (wsa_data.wVersion != wsa_version) {
     67     fprintf(stderr, "Didn't get expected version: %x\n", wsa_data.wVersion);
     68     exit(1);
     69   }
     70 #endif
     71 
     72   testing::UnitTest::GetInstance()->listeners().Append(
     73       new ErrorTestEventListener);
     74 }
     75 
     76 }  // namespace bssl
     77 
     78 
     79 #endif  // OPENSSL_HEADER_CRYPTO_TEST_GTEST_MAIN_H
     80