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Specialize std::numeric_limits<> for wxLongLong and wxULongLong.

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numeric_limits<> should be specialized for number-like types to allow using
them in a similar way to the built-in types.

Closes #13162.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67610 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2011-04-26 22:56:50 +00:00
parent e3e89e6260
commit 3dd4d0ec9e
2 changed files with 38 additions and 0 deletions
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13
tests/longlong/longlongtest.cpp
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@@ -69,6 +69,7 @@ private:
CPPUNIT_TEST( BitOperations );
CPPUNIT_TEST( ToString );
CPPUNIT_TEST( LoHi );
CPPUNIT_TEST( Limits );
CPPUNIT_TEST_SUITE_END();
void Conversion();
@@ -79,6 +80,7 @@ private:
void BitOperations();
void ToString();
void LoHi();
void Limits();
DECLARE_NO_COPY_CLASS(LongLongTestCase)
};
@@ -337,4 +339,15 @@ void LongLongTestCase::LoHi()
CPPUNIT_ASSERT_EQUAL( 987u, ull.GetHi() );
}
void LongLongTestCase::Limits()
{
#if wxUSE_LONGLONG_NATIVE
CPPUNIT_ASSERT( std::numeric_limits<wxLongLong>::is_specialized );
CPPUNIT_ASSERT( std::numeric_limits<wxULongLong>::is_specialized );
wxULongLong maxval = std::numeric_limits<wxULongLong>::max();
CPPUNIT_ASSERT( maxval.ToDouble() > 0 );
#endif // wxUSE_LONGLONG_NATIVE
}
#endif // wxUSE_LONGLONG