Moved matcher-based capture macros into their own file

- this file excluded from the CATCH_CONFIG_DISABLE_MATCHERS path. - matchers are always compiled in to the impl file - _THROWS_WITH macros are still available with matchers disabled - but only the ones that take a string - tests that use matchers have #ifdefs, so the whole SelfTest project can compile with matchers disable.
2025-12-20 17:12:11 +01:00 · 2017-08-09 12:10:14 +01:00
parent b59e0ed48a
commit ee9b19efd3
18 changed files with 143 additions and 105 deletions
--- a/include/internal/catch_capture_matchers.h
+++ b/include/internal/catch_capture_matchers.h
@@ -0,0 +1,87 @@
+/*
+ *  Created by Phil on 9/8/2017
+ *  Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
+ *
+ *  Distributed under the Boost Software License, Version 1.0. (See accompanying
+ *  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+ */
+#ifndef TWOBLUECUBES_CATCH_CAPTURE_MATCHERS_HPP_INCLUDED
+#define TWOBLUECUBES_CATCH_CAPTURE_MATCHERS_HPP_INCLUDED
+
+#include "catch_capture.hpp"
+#include "catch_matchers.hpp"
+#include "catch_matchers_string.h"
+
+namespace Catch {
+
+    template<typename ArgT, typename MatcherT>
+    class MatchExpr : public ITransientExpression {
+        ArgT const& m_arg;
+        MatcherT m_matcher;
+        StringRef m_matcherString;
+        bool m_result;
+    public:
+        MatchExpr( ArgT const& arg, MatcherT const& matcher, StringRef matcherString )
+        :   m_arg( arg ),
+            m_matcher( matcher ),
+            m_matcherString( matcherString ),
+            m_result( matcher.match( arg ) )
+        {}
+
+        auto isBinaryExpression() const -> bool  override { return true; }
+        auto getResult() const -> bool override { return m_result; }
+
+        void streamReconstructedExpression( std::ostream &os ) const override {
+            auto matcherAsString = m_matcher.toString();
+            os << Catch::Detail::stringify( m_arg ) << ' ';
+            if( matcherAsString == Detail::unprintableString )
+                os << m_matcherString.c_str();
+            else
+                os << matcherAsString;
+        }
+    };
+
+    using StringMatcher = Matchers::Impl::MatcherBase<std::string>;
+
+    void handleExceptionMatchExpr( AssertionHandler& handler, StringMatcher const& matcher, StringRef matcherString  );
+
+    template<typename ArgT, typename MatcherT>
+    auto makeMatchExpr( ArgT const& arg, MatcherT const& matcher, StringRef matcherString  ) -> MatchExpr<ArgT, MatcherT> {
+        return MatchExpr<ArgT, MatcherT>( arg, matcher, matcherString );
+    }
+
+} // namespace Catch
+
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CHECK_THAT( macroName, matcher, resultDisposition, arg ) \
+    do { \
+        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, #arg ", " #matcher, resultDisposition ); \
+        INTERNAL_CATCH_TRY( catchAssertionHandler ) { \
+            catchAssertionHandler.handle( Catch::makeMatchExpr( arg, matcher, #matcher ) ); \
+        } INTERNAL_CATCH_CATCH( catchAssertionHandler ) \
+        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
+    } while( Catch::alwaysFalse() )
+
+
+///////////////////////////////////////////////////////////////////////////////
+#define INTERNAL_CATCH_THROWS_MATCHES( macroName, exceptionType, resultDisposition, matcher, ... ) \
+    do { \
+        Catch::AssertionHandler catchAssertionHandler( macroName, CATCH_INTERNAL_LINEINFO, #__VA_ARGS__ ", " #exceptionType ", " #matcher, resultDisposition ); \
+        if( catchAssertionHandler.allowThrows() ) \
+            try { \
+                static_cast<void>(__VA_ARGS__ ); \
+                catchAssertionHandler.handle( Catch::ResultWas::DidntThrowException ); \
+            } \
+            catch( exceptionType const& ex ) { \
+                catchAssertionHandler.handle( Catch::makeMatchExpr( ex, matcher, #matcher ) ); \
+            } \
+            catch( ... ) { \
+                catchAssertionHandler.useActiveException(); \
+            } \
+        else \
+            catchAssertionHandler.handle( Catch::ResultWas::Ok ); \
+        INTERNAL_CATCH_REACT( catchAssertionHandler ) \
+    } while( Catch::alwaysFalse() )
+
+#endif // TWOBLUECUBES_CATCH_CAPTURE_MATCHERS_HPP_INCLUDED