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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [cpp0x/] [reference_collapsing.C] - Blame information for rev 693

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1 693 jeremybenn 
// I, Howard Hinnant, hereby place this code in the public domain.
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// Test the reference collapsing rules.  Note that there are recent differences
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//    for how cv-qualifications are applied to reference types. 7.1.3, 14.3.1
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// { dg-do compile }
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// { dg-options "-std=c++0x" }
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template  struct sa;
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template <> struct sa {};
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template
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struct integral_constant
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{
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        static const T                  value = v;
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        typedef T                       value_type;
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        typedef integral_constant type;
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};
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typedef integral_constant  true_type;
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typedef integral_constant false_type;
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template  struct is_lvalue_reference     : public integral_constant {};
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template  struct is_lvalue_reference : public integral_constant {};
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template  struct is_rvalue_reference      : public integral_constant {};
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template  struct is_rvalue_reference : public integral_constant {};
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template  struct remove_reference      {typedef T type;};
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template  struct remove_reference  {typedef T type;};
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template  struct remove_reference {typedef T type;};
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template  struct is_const          : public integral_constant {};
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template  struct is_const : public integral_constant {};
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template  struct is_volatile             : public integral_constant {};
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template  struct is_volatile : public integral_constant {};
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struct A {};
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typedef A& Alref;
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typedef const A& cAlref;
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typedef volatile A& vAlref;
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typedef const volatile A& cvAlref;
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typedef A&& Arref;
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typedef const A&& cArref;
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typedef volatile A&& vArref;
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typedef const volatile A&& cvArref;
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template
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void test()
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{
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    sa::value == is_lvalue_ref> t1;
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    sa::value == is_rvalue_ref> t2;
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    sa::type>::value == s_const>    t3;
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    sa::type>::value == s_volatile> t4;
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    sa::type>::value == s_const   > t5;
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    sa::type>::value == s_volatile> t6;
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}
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int main()
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{
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    // sanity check
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    test<               A&,   true, false, false, false>();
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    test();
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    test<      volatile A&,   true, false, false,  true>();
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    test();
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    test<               A&&, false,  true, false, false>();
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    test();
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    test<      volatile A&&, false,  true, false,  true>();
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    test();
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// lvalue reference test
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    // Alref
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    test<               Alref&,  true, false, false, false>();
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    test();
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    test<      volatile Alref&,  true, false, false, false>();
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    test();
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    // cAlref
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    test<               cAlref&,  true, false,  true, false>();
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    test();
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    test<      volatile cAlref&,  true, false,  true, false>();
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    test();
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    // vAlref
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    test<               vAlref&,  true, false, false,  true>();
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    test();
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    test<      volatile vAlref&,  true, false, false,  true>();
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    test();
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    // cvAlref
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    test<               cvAlref&,  true, false,  true,  true>();
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    test();
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    test<      volatile cvAlref&,  true, false,  true,  true>();
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    test();
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    // Arref
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    test<               Arref&,  true, false, false, false>();
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    test();
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    test<      volatile Arref&,  true, false, false, false>();
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    test();
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    // cArref
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    test<               cArref&,  true, false,  true, false>();
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    test();
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    test<      volatile cArref&,  true, false,  true, false>();
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    test();
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    // vArref
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    test<               vArref&,  true, false, false,  true>();
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    test();
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    test<      volatile vArref&,  true, false, false,  true>();
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    test();
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    // vArref
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    test<               cvArref&,  true, false,  true,  true>();
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    test();
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    test<      volatile cvArref&,  true, false,  true,  true>();
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    test();
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// rvalue reference test
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    // Alref
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    test<               Alref&&,  true, false, false, false>();
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    test();
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    test<      volatile Alref&&,  true, false, false, false>();
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    test();
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    // cAlref
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    test<               cAlref&&,  true, false,  true, false>();
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    test();
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    test<      volatile cAlref&&,  true, false,  true, false>();
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    test();
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    // vAlref
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    test<               vAlref&&,  true, false, false,  true>();
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    test();
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    test<      volatile vAlref&&,  true, false, false,  true>();
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    test();
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    // cvAlref
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    test<               cvAlref&&,  true, false,  true,  true>();
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    test();
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    test<      volatile cvAlref&&,  true, false,  true,  true>();
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    test();
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    // Arref
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    test<               Arref&&, false,  true, false, false>();
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    test();
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    test<      volatile Arref&&, false,  true, false, false>();
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    test();
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    // cArref
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    test<               cArref&&, false,  true,  true, false>();
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    test();
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    test<      volatile cArref&&, false,  true,  true, false>();
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    test();
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    // vArref
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    test<               vArref&&, false,  true, false,  true>();
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    test();
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    test<      volatile vArref&&, false,  true, false,  true>();
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    test();
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    // cvArref
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    test<               cvArref&&, false,  true,  true,  true>();
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    test();
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    test<      volatile cvArref&&, false,  true,  true,  true>();
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    test();
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    return 0;
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}

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