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Diffstat (limited to 'gcc-4.9/gcc/testsuite/g++.dg/cpp0x/explicit1.C')
-rw-r--r-- | gcc-4.9/gcc/testsuite/g++.dg/cpp0x/explicit1.C | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/explicit1.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/explicit1.C new file mode 100644 index 000000000..ea4fa8a85 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/explicit1.C @@ -0,0 +1,58 @@ +// Test for explicit conversion ops from N2437. +// { dg-do compile { target c++11 } } + +class U; class V; +class T +{ +public: + T( U const & ); + //implicit converting ctor + explicit T( V const & ); + // explicit ctor +}; +class U +{ +}; +class V +{ +}; +class W +{ +public: + operator T() const; +}; +class X +{ +public: + explicit operator T() const; // theoretical +}; +int main() +{ + U u; V v; W w; X x; + // Direct initialization: + T t1( u ); + T t2( v ); + T t3( w ); + T t4( x ); + // Copy initialization: + T t5 = u; + T t6 = v; // { dg-error "" } + T t7 = w; + T t8 = x; // { dg-error "" } + // Cast notation: + T t9 = (T) u; + T t10 = (T) v; + T t11 = (T) w; + T t12 = (T) x; + // Static cast: + T t13 = static_cast<T>( u ); + T t14 = static_cast<T>( v ); + T t15 = static_cast<T>( w ); + T t16 = static_cast<T>( x ); + // Function-style cast: + T t17 = T( u ); + T t18 = T( v ); + T t19 = T( w ); + T t20 = T( x ); + return 0; +} |