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author Miodrag Milanovic <mmicko@gmail.com>2017-02-05 15:45:26 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2017-02-05 15:46:07 +0100
commit02c97cd0f7c4d630f1a90f9f2626746e47a28c09 (patch)
tree2b48d051a55f2b65525824546cd9fcf9e05907cf /3rdparty/catch/include/internal/catch_expression_lhs.hpp
parentd20b4ba6864b45d0c068d98d43e63c8bc5014a3b (diff)
Updated Catch to latest (nw)
Diffstat (limited to '3rdparty/catch/include/internal/catch_expression_lhs.hpp')
-rw-r--r--3rdparty/catch/include/internal/catch_expression_lhs.hpp143
1 files changed, 104 insertions, 39 deletions
diff --git a/3rdparty/catch/include/internal/catch_expression_lhs.hpp b/3rdparty/catch/include/internal/catch_expression_lhs.hpp
index 51b803e5e69..9670d2a1c0c 100644
--- a/3rdparty/catch/include/internal/catch_expression_lhs.hpp
+++ b/3rdparty/catch/include/internal/catch_expression_lhs.hpp
@@ -14,90 +14,155 @@
namespace Catch {
-// Wraps the LHS of an expression and captures the operator and RHS (if any) -
-// wrapping them all in a ResultBuilder object
-template<typename T>
-class ExpressionLhs {
- ExpressionLhs& operator = ( ExpressionLhs const& );
-# ifdef CATCH_CONFIG_CPP11_GENERATED_METHODS
- ExpressionLhs& operator = ( ExpressionLhs && ) = delete;
-# endif
+template<typename LhsT, Internal::Operator Op, typename RhsT>
+class BinaryExpression;
+
+template<typename ArgT, typename MatcherT>
+class MatchExpression;
+// Wraps the LHS of an expression and overloads comparison operators
+// for also capturing those and RHS (if any)
+template<typename T>
+class ExpressionLhs : public DecomposedExpression {
public:
- ExpressionLhs( ResultBuilder& rb, T lhs ) : m_rb( rb ), m_lhs( lhs ) {}
-# ifdef CATCH_CONFIG_CPP11_GENERATED_METHODS
- ExpressionLhs( ExpressionLhs const& ) = default;
- ExpressionLhs( ExpressionLhs && ) = default;
-# endif
+ ExpressionLhs( ResultBuilder& rb, T lhs ) : m_rb( rb ), m_lhs( lhs ), m_truthy(false) {}
template<typename RhsT>
- ResultBuilder& operator == ( RhsT const& rhs ) {
+ BinaryExpression<T, Internal::IsEqualTo, RhsT const&>
+ operator == ( RhsT const& rhs ) const {
return captureExpression<Internal::IsEqualTo>( rhs );
}
template<typename RhsT>
- ResultBuilder& operator != ( RhsT const& rhs ) {
+ BinaryExpression<T, Internal::IsNotEqualTo, RhsT const&>
+ operator != ( RhsT const& rhs ) const {
return captureExpression<Internal::IsNotEqualTo>( rhs );
}
template<typename RhsT>
- ResultBuilder& operator < ( RhsT const& rhs ) {
+ BinaryExpression<T, Internal::IsLessThan, RhsT const&>
+ operator < ( RhsT const& rhs ) const {
return captureExpression<Internal::IsLessThan>( rhs );
}
template<typename RhsT>
- ResultBuilder& operator > ( RhsT const& rhs ) {
+ BinaryExpression<T, Internal::IsGreaterThan, RhsT const&>
+ operator > ( RhsT const& rhs ) const {
return captureExpression<Internal::IsGreaterThan>( rhs );
}
template<typename RhsT>
- ResultBuilder& operator <= ( RhsT const& rhs ) {
+ BinaryExpression<T, Internal::IsLessThanOrEqualTo, RhsT const&>
+ operator <= ( RhsT const& rhs ) const {
return captureExpression<Internal::IsLessThanOrEqualTo>( rhs );
}
template<typename RhsT>
- ResultBuilder& operator >= ( RhsT const& rhs ) {
+ BinaryExpression<T, Internal::IsGreaterThanOrEqualTo, RhsT const&>
+ operator >= ( RhsT const& rhs ) const {
return captureExpression<Internal::IsGreaterThanOrEqualTo>( rhs );
}
- ResultBuilder& operator == ( bool rhs ) {
+ BinaryExpression<T, Internal::IsEqualTo, bool> operator == ( bool rhs ) const {
return captureExpression<Internal::IsEqualTo>( rhs );
}
- ResultBuilder& operator != ( bool rhs ) {
+ BinaryExpression<T, Internal::IsNotEqualTo, bool> operator != ( bool rhs ) const {
return captureExpression<Internal::IsNotEqualTo>( rhs );
}
void endExpression() {
- bool value = m_lhs ? true : false;
+ m_truthy = m_lhs ? true : false;
m_rb
- .setLhs( Catch::toString( value ) )
- .setResultType( value )
- .endExpression();
+ .setResultType( m_truthy )
+ .endExpression( *this );
}
- // Only simple binary expressions are allowed on the LHS.
- // If more complex compositions are required then place the sub expression in parentheses
- template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator + ( RhsT const& );
- template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator - ( RhsT const& );
- template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator / ( RhsT const& );
- template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator * ( RhsT const& );
- template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator && ( RhsT const& );
- template<typename RhsT> STATIC_ASSERT_Expression_Too_Complex_Please_Rewrite_As_Binary_Comparison& operator || ( RhsT const& );
+ virtual void reconstructExpression( std::string& dest ) const CATCH_OVERRIDE {
+ dest = Catch::toString( m_truthy );
+ }
private:
template<Internal::Operator Op, typename RhsT>
- ResultBuilder& captureExpression( RhsT const& rhs ) {
- return m_rb
- .setResultType( Internal::compare<Op>( m_lhs, rhs ) )
- .setLhs( Catch::toString( m_lhs ) )
- .setRhs( Catch::toString( rhs ) )
- .setOp( Internal::OperatorTraits<Op>::getName() );
+ BinaryExpression<T, Op, RhsT&> captureExpression( RhsT& rhs ) const {
+ return BinaryExpression<T, Op, RhsT&>( m_rb, m_lhs, rhs );
+ }
+
+ template<Internal::Operator Op>
+ BinaryExpression<T, Op, bool> captureExpression( bool rhs ) const {
+ return BinaryExpression<T, Op, bool>( m_rb, m_lhs, rhs );
}
private:
ResultBuilder& m_rb;
T m_lhs;
+ bool m_truthy;
+};
+
+template<typename LhsT, Internal::Operator Op, typename RhsT>
+class BinaryExpression : public DecomposedExpression {
+public:
+ BinaryExpression( ResultBuilder& rb, LhsT lhs, RhsT rhs )
+ : m_rb( rb ), m_lhs( lhs ), m_rhs( rhs ) {}
+
+ void endExpression() const {
+ m_rb
+ .setResultType( Internal::compare<Op>( m_lhs, m_rhs ) )
+ .endExpression( *this );
+ }
+
+ virtual bool isBinaryExpression() const CATCH_OVERRIDE {
+ return true;
+ }
+
+ virtual void reconstructExpression( std::string& dest ) const CATCH_OVERRIDE {
+ std::string lhs = Catch::toString( m_lhs );
+ std::string rhs = Catch::toString( m_rhs );
+ char delim = lhs.size() + rhs.size() < 40 &&
+ lhs.find('\n') == std::string::npos &&
+ rhs.find('\n') == std::string::npos ? ' ' : '\n';
+ dest.reserve( 7 + lhs.size() + rhs.size() );
+ // 2 for spaces around operator
+ // 2 for operator
+ // 2 for parentheses (conditionally added later)
+ // 1 for negation (conditionally added later)
+ dest = lhs;
+ dest += delim;
+ dest += Internal::OperatorTraits<Op>::getName();
+ dest += delim;
+ dest += rhs;
+ }
+
+private:
+ ResultBuilder& m_rb;
+ LhsT m_lhs;
+ RhsT m_rhs;
+};
+
+template<typename ArgT, typename MatcherT>
+class MatchExpression : public DecomposedExpression {
+public:
+ MatchExpression( ArgT arg, MatcherT matcher, char const* matcherString )
+ : m_arg( arg ), m_matcher( matcher ), m_matcherString( matcherString ) {}
+
+ virtual bool isBinaryExpression() const CATCH_OVERRIDE {
+ return true;
+ }
+
+ virtual void reconstructExpression( std::string& dest ) const CATCH_OVERRIDE {
+ std::string matcherAsString = m_matcher.toString();
+ dest = Catch::toString( m_arg );
+ dest += ' ';
+ if( matcherAsString == Detail::unprintableString )
+ dest += m_matcherString;
+ else
+ dest += matcherAsString;
+ }
+
+private:
+ ArgT m_arg;
+ MatcherT m_matcher;
+ char const* m_matcherString;
};
} // end namespace Catch