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-rw-r--r--test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp
new file mode 100644
index 000000000000..a820cb1b8f38
--- /dev/null
+++ b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp
@@ -0,0 +1,67 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// R operator()(ArgTypes... args) const
+
+#include <functional>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+
+// 0 args, return void
+
+int count = 0;
+
+void f_void_0()
+{
+ ++count;
+}
+
+struct A_void_0
+{
+ void operator()() {++count;}
+};
+
+void
+test_void_0()
+{
+ int save_count = count;
+ // function
+ {
+ std::function<void ()> r1(f_void_0);
+ r1();
+ assert(count == save_count+1);
+ save_count = count;
+ }
+ // function pointer
+ {
+ void (*fp)() = f_void_0;
+ std::function<void ()> r1(fp);
+ r1();
+ assert(count == save_count+1);
+ save_count = count;
+ }
+ // functor
+ {
+ A_void_0 a0;
+ std::function<void ()> r1(a0);
+ r1();
+ assert(count == save_count+1);
+ save_count = count;
+ }
+}
+
+int main()
+{
+ test_void_0();
+}