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Merge from trunk.

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[SVN r42243]
This commit is contained in:
Daniel James
2007-12-22 15:36:31 +00:00
parent 1a4aa43cad
commit e76c779b8c
3 changed files with 104 additions and 63 deletions
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value_init_test.cpp
+37
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@@ -156,6 +156,29 @@ bool operator == ( AggregatePODStructWrapper const& lhs, AggregatePODStructWrapp
typedef unsigned char ArrayOfBytes[256];
//
// A struct that allows testing whether the appropriate copy functions are called.
//
struct CopyFunctionCallTester
{
bool is_copy_constructed;
bool is_assignment_called;
CopyFunctionCallTester()
: is_copy_constructed(false), is_assignment_called(false) {}
CopyFunctionCallTester(const CopyFunctionCallTester & )
: is_copy_constructed(true), is_assignment_called(false) {}
CopyFunctionCallTester & operator=(const CopyFunctionCallTester & )
{
is_assignment_called = true ;
return *this ;
}
};
//
// This test function tests boost::value_initialized<T> for a specific type T.
// The first argument (y) is assumed have the value of a value-initialized object.
@@ -244,8 +267,22 @@ int test_main(int, char **)
boost::value_initialized<ArrayOfBytes> valueInitializedArrayOfBytes;
BOOST_CHECK (std::memcmp(get(valueInitializedArrayOfBytes), zeroInitializedArrayOfBytes, sizeof(ArrayOfBytes)) == 0);
boost::value_initialized<CopyFunctionCallTester> copyFunctionCallTester1;
BOOST_CHECK ( ! get(copyFunctionCallTester1).is_copy_constructed);
BOOST_CHECK ( ! get(copyFunctionCallTester1).is_assignment_called);
boost::value_initialized<CopyFunctionCallTester> copyFunctionCallTester2 = boost::value_initialized<CopyFunctionCallTester>(copyFunctionCallTester1);
BOOST_CHECK ( get(copyFunctionCallTester2).is_copy_constructed);
BOOST_CHECK ( ! get(copyFunctionCallTester2).is_assignment_called);
boost::value_initialized<CopyFunctionCallTester> copyFunctionCallTester3;
copyFunctionCallTester3 = boost::value_initialized<CopyFunctionCallTester>(copyFunctionCallTester1);
BOOST_CHECK ( ! get(copyFunctionCallTester3).is_copy_constructed);
BOOST_CHECK ( get(copyFunctionCallTester3).is_assignment_called);
return 0;
}
unsigned int expected_failures = 0;