/ externals / catch / tests / ExtraTests / X02-DisabledMacros.cpp
X02-DisabledMacros.cpp
 1  
 2  //              Copyright Catch2 Authors
 3  // Distributed under the Boost Software License, Version 1.0.
 4  //   (See accompanying file LICENSE.txt or copy at
 5  //        https://www.boost.org/LICENSE_1_0.txt)
 6  
 7  // SPDX-License-Identifier: BSL-1.0
 8  
 9  /**\file
10   * Test that CATCH_CONFIG_DISABLE turns off TEST_CASE autoregistration
11   * and expressions in assertion macros are not run.
12   */
13  
14  
15  #include <catch2/catch_test_macros.hpp>
16  #include <catch2/benchmark/catch_benchmark.hpp>
17  #include <catch2/matchers/catch_matchers.hpp>
18  #include <catch2/matchers/catch_matchers_predicate.hpp>
19  
20  #include <iostream>
21  
22  struct foo {
23      foo(){
24          REQUIRE_NOTHROW( print() );
25      }
26      void print() const {
27          std::cout << "This should not happen\n";
28      }
29  };
30  
31  #if defined(__clang__)
32  #pragma clang diagnostic push
33  #pragma clang diagnostic ignored "-Wglobal-constructors"
34  #endif
35  // Construct foo, but `foo::print` should not be run
36  static foo f;
37  
38  
39  #if defined(__clang__)
40  // The test is unused since the registration is disabled
41  #pragma clang diagnostic ignored "-Wunused-function"
42  #endif
43  
44  // This test should not be run, because it won't be registered
45  TEST_CASE( "Disabled Macros" ) {
46      CHECK( 1 == 2 );
47      REQUIRE( 1 == 2 );
48      std::cout << "This should not happen\n";
49      FAIL();
50  
51      // Test that static assertions don't fire when macros are disabled
52      STATIC_CHECK( 0 == 1 );
53      STATIC_REQUIRE( !true );
54  
55      CAPTURE( 1 );
56      CAPTURE( 1, "captured" );
57  
58      REQUIRE_THAT( 1,
59                    Catch::Matchers::Predicate( []( int ) { return false; } ) );
60      BENCHMARK( "Disabled benchmark" ) { REQUIRE( 1 == 2 ); };
61  }
62  
63  #if defined(__clang__)
64  #pragma clang diagnostic pop
65  #endif