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switch from ->* to <= in expression decomposer 

<= chosen arbitrarily from comparison operators, but any of <=, >=, <, >
have the same precedence.

This now allows expressions containing any of *, /, %, +, -, << and >>
to be used on the LHS.

No tests broke, and the corresponding originally failing test in
[tricky] was expanded and added to the main suite.
This commit is contained in:
Thomas Lamb 2014-08-06 03:25:56 -07:00
parent 08dc8458c0
commit 6a6b41411c
3 changed files with 12 additions and 12 deletions
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2
include/internal/catch_capture.hpp
View File

@ -33,7 +33,7 @@
do { \
Catch::ResultBuilder __catchResult( macroName, CATCH_INTERNAL_LINEINFO, #expr, resultDisposition ); \
try { \
( __catchResult->*expr ).endExpression(); \
( __catchResult <= expr ).endExpression(); \
} \
catch( ... ) { \
__catchResult.useActiveException( Catch::ResultDisposition::Normal ); \

8
include/internal/catch_result_builder.h
View File

@ -41,8 +41,8 @@ namespace Catch {
ResultDisposition::Flags resultDisposition );
template<typename T>
ExpressionLhs<T const&> operator->* ( T const& operand );
ExpressionLhs<bool> operator->* ( bool value );
ExpressionLhs<T const&> operator<= ( T const& operand );
ExpressionLhs<bool> operator<= ( bool value );
template<typename T>
ResultBuilder& operator << ( T const& value ) {
@ -93,11 +93,11 @@ namespace Catch {
namespace Catch {
template<typename T>
inline ExpressionLhs<T const&> ResultBuilder::operator->* ( T const& operand ) {
inline ExpressionLhs<T const&> ResultBuilder::operator<= ( T const& operand ) {
return ExpressionLhs<T const&>( *this, operand );
}
inline ExpressionLhs<bool> ResultBuilder::operator->* ( bool value ) {
inline ExpressionLhs<bool> ResultBuilder::operator<= ( bool value ) {
return ExpressionLhs<bool>( *this, value );
}

14
projects/SelfTest/TrickyTests.cpp
View File

@ -55,18 +55,18 @@ TEST_CASE
///////////////////////////////////////////////////////////////////////////////
TEST_CASE
(
"Where the LHS is not a simple value[failing]",
"[Tricky][failing][.]"
"Where the LHS is not a simple value",
"[Tricky]"
)
{
/*
int a = 1;
int b = 2;
// This only captures part of the expression, but issues a warning about the rest
REQUIRE( a+1 == b-1 );
*/
WARN( "Uncomment the code in this test to check that it gives a sensible compiler error" );
REQUIRE( a+1 == b );
REQUIRE( a < b );
REQUIRE( a%2 == 1 );
REQUIRE( b%2 == 0 );
}
struct Opaque