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Added value_init test for struct as used in MSVC bug report regarding value-initialization.

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[SVN r41423]
This commit is contained in:
Niels Dekker 2007-11-27 21:34:08 +00:00
parent 09ab16bfc1
commit 6a2aa822f8
1 changed files with 23 additions and 5 deletions
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28
value_init_test.cpp
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@ -73,6 +73,22 @@ struct AggregatePODStruct
bool operator == ( AggregatePODStruct const& lhs, AggregatePODStruct const& rhs ) bool operator == ( AggregatePODStruct const& lhs, AggregatePODStruct const& rhs )
{ return lhs.f == rhs.f && lhs.c == rhs.c && lhs.i == rhs.i ; } { return lhs.f == rhs.f && lhs.c == rhs.c && lhs.i == rhs.i ; }
//
// An aggregate struct that contains an std::string and an int.
// Pavel Kuznetsov (MetaCommunications Engineering) used a struct like
// this to reproduce the Microsoft Visual C++ compiler bug, reported as
// Feedback ID 100744, "Value-initialization in new-expression"
// https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=100744
//
struct StringAndInt
{
std::string s;
int i;
};
bool operator == ( StringAndInt const& lhs, StringAndInt const& rhs )
{ return lhs.s == rhs.s && lhs.i == rhs.i ; }
// //
// This test function tests boost::value_initialized<T> for a specific type T. // This test function tests boost::value_initialized<T> for a specific type T.
@ -123,13 +139,15 @@ int test_main(int, char **)
AggregatePODStruct nonZeroInitializedAggregatePODStruct = { 1.25f, 'a', -1 }; AggregatePODStruct nonZeroInitializedAggregatePODStruct = { 1.25f, 'a', -1 };
BOOST_CHECK ( test(zeroInitializedAggregatePODStruct, nonZeroInitializedAggregatePODStruct) ); BOOST_CHECK ( test(zeroInitializedAggregatePODStruct, nonZeroInitializedAggregatePODStruct) );
StringAndInt stringAndInt0;
StringAndInt stringAndInt1;
stringAndInt0.i = 0;
stringAndInt1.i = 1;
stringAndInt1.s = std::string("1");
BOOST_CHECK ( test(stringAndInt0, stringAndInt1) );
return 0; return 0;
} }
unsigned int expected_failures = 0; unsigned int expected_failures = 0;