Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/numerics/complex.number/complex.ops/complex_minus_scalar.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <complex>
+
+// template<class T>
+//   complex<T>
+//   operator-(const complex<T>& lhs, const T& rhs);
+
+#include <complex>
+#include <cassert>
+
+template <class T>
+void
+test(const std::complex<T>& lhs, const T& rhs, std::complex<T> x)
+{
+    assert(lhs - rhs == x);
+}
+
+template <class T>
+void
+test()
+{
+    {
+    std::complex<T> lhs(1.5, 2.5);
+    T rhs(3.5);
+    std::complex<T>   x(-2.0, 2.5);
+    test(lhs, rhs, x);
+    }
+    {
+    std::complex<T> lhs(1.5, -2.5);
+    T rhs(-3.5);
+    std::complex<T>   x(5.0, -2.5);
+    test(lhs, rhs, x);
+    }
+}
+
+int main()
+{
+    test<float>();
+    test<double>();
+    test<long double>();
+}