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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/g++.dg/cpp0x/decltype2.C
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Diffstat (limited to 'gcc/testsuite/g++.dg/cpp0x/decltype2.C')
-rw-r--r--gcc/testsuite/g++.dg/cpp0x/decltype2.C59
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp0x/decltype2.C b/gcc/testsuite/g++.dg/cpp0x/decltype2.C
new file mode 100644
index 000000000..186d75b72
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/decltype2.C
@@ -0,0 +1,59 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+template<typename T, typename U>
+struct is_same
+{
+ static const bool value = false;
+};
+
+template<typename T>
+struct is_same<T, T>
+{
+ static const bool value = true;
+};
+
+#define CHECK_DECLTYPE(DECLTYPE,RESULT) \
+ static_assert(is_same< DECLTYPE , RESULT >::value, #RESULT)
+
+struct A {};
+
+int a;
+int& b = a;
+const int& c = a;
+const int d = 5;
+const A e = A();
+CHECK_DECLTYPE(decltype(a), int);
+CHECK_DECLTYPE(decltype(b), int&);
+CHECK_DECLTYPE(decltype(c), const int&);
+CHECK_DECLTYPE(decltype(d), const int);
+CHECK_DECLTYPE(decltype(e), const A);
+
+CHECK_DECLTYPE(decltype(a), int);
+CHECK_DECLTYPE(decltype((a)), int&);
+
+void foo_check(int a, int& b, float& c, int* d)
+{
+ CHECK_DECLTYPE(decltype(a), int);
+ CHECK_DECLTYPE(decltype(b), int&);
+ CHECK_DECLTYPE(decltype(c), float&);
+ CHECK_DECLTYPE(decltype(d), int*);
+}
+
+int foo(char);
+int bar(char);
+int bar(int);
+CHECK_DECLTYPE(decltype(foo), int(char));
+
+decltype(bar) z; // { dg-error "overload" }
+// { dg-error "invalid type" "" { target *-*-* } 48 }
+
+CHECK_DECLTYPE(decltype(&foo), int(*)(char));
+CHECK_DECLTYPE(decltype(*&foo), int(&)(char));
+
+void array_types()
+{
+ int a[10];
+ CHECK_DECLTYPE(decltype(a), int[10]);
+}
+