summaryrefslogtreecommitdiff
path: root/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C')
-rw-r--r--gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C140
1 files changed, 140 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C
new file mode 100644
index 000000000..87785ae5a
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/has_nothrow_copy-1.C
@@ -0,0 +1,140 @@
+// { dg-do run }
+#include <cassert>
+
+struct A
+{
+ double a;
+ double b;
+};
+
+struct B
+{
+ A a;
+};
+
+struct C
+: public A { };
+
+struct D
+{
+ D(const D&) throw() { }
+};
+
+struct E
+{
+ E(const E&) throw(int) { }
+};
+
+struct E1
+{
+ E1(const E1&) throw(int) { throw int(); }
+};
+
+struct F
+{
+ F() throw() { }
+};
+
+struct G
+{
+ G() throw(int) { throw int(); }
+};
+
+struct H
+{
+ H(H&) throw(int) { }
+};
+
+struct H1
+{
+ H1(H1&) throw(int) { throw int(); }
+};
+
+struct I
+{
+ I(I&) throw(int) { }
+ I(const I&) throw() { }
+};
+
+struct I1
+{
+ I1(I1&) throw(int) { throw int(); }
+ I1(const I1&) throw() { }
+};
+
+struct J
+{
+ J(J&) throw() { }
+ J(const J&) throw() { }
+ J(volatile J&) throw() { }
+ J(const volatile J&) throw() { }
+};
+
+template<typename T>
+ bool
+ f()
+ { return __has_nothrow_copy(T); }
+
+template<typename T>
+ class My
+ {
+ public:
+ bool
+ f()
+ { return !!__has_nothrow_copy(T); }
+ };
+
+template<typename T>
+ class My2
+ {
+ public:
+ static const bool trait = __has_nothrow_copy(T);
+ };
+
+template<typename T>
+ const bool My2<T>::trait;
+
+template<typename T, bool b = __has_nothrow_copy(T)>
+ struct My3_help
+ { static const bool trait = b; };
+
+template<typename T, bool b>
+ const bool My3_help<T, b>::trait;
+
+template<typename T>
+ class My3
+ {
+ public:
+ bool
+ f()
+ { return My3_help<T>::trait; }
+ };
+
+#define PTEST(T) (__has_nothrow_copy(T) && f<T>() \
+ && My<T>().f() && My2<T>::trait && My3<T>().f())
+
+#define NTEST(T) (!__has_nothrow_copy(T) && !f<T>() \
+ && !My<T>().f() && !My2<T>::trait && !My3<T>().f())
+
+int main()
+{
+ assert (PTEST (int));
+ assert (NTEST (int (int)));
+ assert (NTEST (void));
+ assert (PTEST (A));
+ assert (PTEST (B));
+ assert (PTEST (C));
+ assert (PTEST (C[]));
+ assert (PTEST (D));
+ assert (NTEST (E));
+ assert (NTEST (E1));
+ assert (PTEST (F));
+ assert (PTEST (G));
+ assert (NTEST (H));
+ assert (NTEST (H1));
+ assert (NTEST (I));
+ assert (NTEST (I1));
+ assert (PTEST (J));
+
+ return 0;
+}