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lib/catch2/tests/ExtraTests/X02-DisabledMacros.cpp

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+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
+/**\file
+ * Test that CATCH_CONFIG_DISABLE turns off TEST_CASE autoregistration
+ * and expressions in assertion macros are not run.
+ */
+
+
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/benchmark/catch_benchmark.hpp>
+#include <catch2/matchers/catch_matchers.hpp>
+#include <catch2/matchers/catch_matchers_predicate.hpp>
+
+#include <iostream>
+
+struct foo {
+    foo(){
+        REQUIRE_NOTHROW( print() );
+    }
+    void print() const {
+        std::cout << "This should not happen\n";
+    }
+};
+
+#if defined(__clang__)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wglobal-constructors"
+#endif
+// Construct foo, but `foo::print` should not be run
+static foo f;
+
+
+#if defined(__clang__)
+// The test is unused since the registration is disabled
+#pragma clang diagnostic ignored "-Wunused-function"
+#endif
+
+// This test should not be run, because it won't be registered
+TEST_CASE( "Disabled Macros" ) {
+    CHECK( 1 == 2 );
+    REQUIRE( 1 == 2 );
+    std::cout << "This should not happen\n";
+    FAIL();
+
+    // Test that static assertions don't fire when macros are disabled
+    STATIC_CHECK( 0 == 1 );
+    STATIC_REQUIRE( !true );
+
+    CAPTURE( 1 );
+    CAPTURE( 1, "captured" );
+
+    REQUIRE_THAT( 1,
+                  Catch::Matchers::Predicate( []( int ) { return false; } ) );
+    BENCHMARK( "Disabled benchmark" ) { REQUIRE( 1 == 2 ); };
+}
+
+#if defined(__clang__)
+#pragma clang diagnostic pop
+#endif