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authorLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
committerLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
commitbc524d70253a4ab2fe40c3ca3e5666e267c0a4d1 (patch)
tree1e629e7b46b1d9972a973bc93fd100bcebd395be /src/catch2/internal/catch_test_macro_impl.hpp
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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
+#ifndef CATCH_TEST_MACRO_IMPL_HPP_INCLUDED
+#define CATCH_TEST_MACRO_IMPL_HPP_INCLUDED
+
+#include <catch2/catch_user_config.hpp>
+#include <catch2/internal/catch_assertion_handler.hpp>
+#include <catch2/internal/catch_preprocessor_internal_stringify.hpp>
+#include <catch2/interfaces/catch_interfaces_capture.hpp>
+#include <catch2/internal/catch_stringref.hpp>
+#include <catch2/internal/catch_source_line_info.hpp>
+
+// We need this suppression to leak, because it took until GCC 10
+// for the front end to handle local suppression via _Pragma properly
+#if defined(__GNUC__) && !defined(__clang__) && !defined(__ICC) && __GNUC__ <= 9
+ #pragma GCC diagnostic ignored "-Wparentheses"
+#endif
+
+#if !defined(CATCH_CONFIG_DISABLE)
+
+#if defined(CATCH_CONFIG_FAST_COMPILE) || defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
+
+///////////////////////////////////////////////////////////////////////////////
+// Another way to speed-up compilation is to omit local try-catch for REQUIRE*
+// macros.
+#define INTERNAL_CATCH_TRY
+#define INTERNAL_CATCH_CATCH( capturer )
+
+#else // CATCH_CONFIG_FAST_COMPILE
+
+#define INTERNAL_CATCH_TRY try
+#define INTERNAL_CATCH_CATCH( handler ) catch(...) { (handler).handleUnexpectedInflightException(); }
+
+#endif
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_TEST( macroName, resultDisposition, ... ) \
+ do { /* NOLINT(bugprone-infinite-loop) */ \
+ /* The expression should not be evaluated, but warnings should hopefully be checked */ \
+ CATCH_INTERNAL_IGNORE_BUT_WARN(__VA_ARGS__); \
+ Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
+ INTERNAL_CATCH_TRY { \
+ CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
+ CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
+ catchAssertionHandler.handleExpr( Catch::Decomposer() <= __VA_ARGS__ ); /* NOLINT(bugprone-chained-comparison) */ \
+ CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
+ } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
+ catchAssertionHandler.complete(); \
+ } while( (void)0, (false) && static_cast<const bool&>( !!(__VA_ARGS__) ) ) // the expression here is never evaluated at runtime but it forces the compiler to give it a look
+ // The double negation silences MSVC's C4800 warning, the static_cast forces short-circuit evaluation if the type has overloaded &&.
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_IF( macroName, resultDisposition, ... ) \
+ INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
+ if( Catch::getResultCapture().lastAssertionPassed() )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_ELSE( macroName, resultDisposition, ... ) \
+ INTERNAL_CATCH_TEST( macroName, resultDisposition, __VA_ARGS__ ); \
+ if( !Catch::getResultCapture().lastAssertionPassed() )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_NO_THROW( macroName, resultDisposition, ... ) \
+ do { \
+ Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition ); \
+ try { \
+ CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
+ CATCH_INTERNAL_SUPPRESS_USELESS_CAST_WARNINGS \
+ static_cast<void>(__VA_ARGS__); \
+ CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
+ catchAssertionHandler.handleExceptionNotThrownAsExpected(); \
+ } \
+ catch( ... ) { \
+ catchAssertionHandler.handleUnexpectedInflightException(); \
+ } \
+ catchAssertionHandler.complete(); \
+ } while( false )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_THROWS( macroName, resultDisposition, ... ) \
+ do { \
+ Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__), resultDisposition); \
+ if( catchAssertionHandler.allowThrows() ) \
+ try { \
+ CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
+ CATCH_INTERNAL_SUPPRESS_UNUSED_RESULT \
+ CATCH_INTERNAL_SUPPRESS_USELESS_CAST_WARNINGS \
+ static_cast<void>(__VA_ARGS__); \
+ CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
+ catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
+ } \
+ catch( ... ) { \
+ catchAssertionHandler.handleExceptionThrownAsExpected(); \
+ } \
+ else \
+ catchAssertionHandler.handleThrowingCallSkipped(); \
+ catchAssertionHandler.complete(); \
+ } while( false )
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_THROWS_AS( macroName, exceptionType, resultDisposition, expr ) \
+ do { \
+ Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(expr) ", " CATCH_INTERNAL_STRINGIFY(exceptionType), resultDisposition ); \
+ if( catchAssertionHandler.allowThrows() ) \
+ try { \
+ CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
+ CATCH_INTERNAL_SUPPRESS_UNUSED_RESULT \
+ CATCH_INTERNAL_SUPPRESS_USELESS_CAST_WARNINGS \
+ static_cast<void>(expr); \
+ CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
+ catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
+ } \
+ catch( exceptionType const& ) { \
+ catchAssertionHandler.handleExceptionThrownAsExpected(); \
+ } \
+ catch( ... ) { \
+ catchAssertionHandler.handleUnexpectedInflightException(); \
+ } \
+ else \
+ catchAssertionHandler.handleThrowingCallSkipped(); \
+ catchAssertionHandler.complete(); \
+ } while( false )
+
+
+
+///////////////////////////////////////////////////////////////////////////////
+// Although this is matcher-based, it can be used with just a string
+#define INTERNAL_CATCH_THROWS_STR_MATCHES( macroName, resultDisposition, matcher, ... ) \
+ do { \
+ Catch::AssertionHandler catchAssertionHandler( macroName##_catch_sr, CATCH_INTERNAL_LINEINFO, CATCH_INTERNAL_STRINGIFY(__VA_ARGS__) ", " CATCH_INTERNAL_STRINGIFY(matcher), resultDisposition ); \
+ if( catchAssertionHandler.allowThrows() ) \
+ try { \
+ CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
+ CATCH_INTERNAL_SUPPRESS_UNUSED_RESULT \
+ CATCH_INTERNAL_SUPPRESS_USELESS_CAST_WARNINGS \
+ static_cast<void>(__VA_ARGS__); \
+ CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
+ catchAssertionHandler.handleUnexpectedExceptionNotThrown(); \
+ } \
+ catch( ... ) { \
+ Catch::handleExceptionMatchExpr( catchAssertionHandler, matcher ); \
+ } \
+ else \
+ catchAssertionHandler.handleThrowingCallSkipped(); \
+ catchAssertionHandler.complete(); \
+ } while( false )
+
+#endif // CATCH_CONFIG_DISABLE
+
+#endif // CATCH_TEST_MACRO_IMPL_HPP_INCLUDED