1 files changed, 64 insertions, 0 deletions
diff --git a/test/std/numerics/complex.number/complex.members/real_imag.pass.cpp b/test/std/numerics/complex.number/complex.members/real_imag.pass.cpp
new file mode 100644
index 0000000000000..7ead855f5c764
--- /dev/null
+++ b/test/std/numerics/complex.number/complex.members/real_imag.pass.cpp
@@ -0,0 +1,64 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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>
+
+// void real(T val);
+// void imag(T val);
+
+#include <complex>
+#include <cassert>
+
+template <class T>
+void
+test_constexpr()
+{
+#if _LIBCPP_STD_VER > 11
+    constexpr std::complex<T> c1;
+    static_assert(c1.real() == 0, "");
+    static_assert(c1.imag() == 0, "");
+    constexpr std::complex<T> c2(3);
+    static_assert(c2.real() == 3, "");
+    static_assert(c2.imag() == 0, "");
+    constexpr std::complex<T> c3(3, 4);
+    static_assert(c3.real() == 3, "");
+    static_assert(c3.imag() == 4, "");
+#endif
+}
+
+template <class T>
+void
+test()
+{
+    std::complex<T> c;
+    assert(c.real() == 0);
+    assert(c.imag() == 0);
+    c.real(3.5);
+    assert(c.real() == 3.5);
+    assert(c.imag() == 0);
+    c.imag(4.5);
+    assert(c.real() == 3.5);
+    assert(c.imag() == 4.5);
+    c.real(-4.5);
+    assert(c.real() == -4.5);
+    assert(c.imag() == 4.5);
+    c.imag(-5.5);
+    assert(c.real() == -4.5);
+    assert(c.imag() == -5.5);
+
+    test_constexpr<T> ();
+}
+
+int main()
+{
+    test<float>();
+    test<double>();
+    test<long double>();
+    test_constexpr<int> ();
+}