vendor/libc++/libc++-release_370-r246257

1 files changed, 30 insertions, 0 deletions

diff --git a/test/std/input.output/iostreams.base/std.ios.manip/floatfield.manip/defaultfloat.pass.cpp b/test/std/input.output/iostreams.base/std.ios.manip/floatfield.manip/defaultfloat.pass.cpp
new file mode 100644
index 0000000000000..f202bc4c88121
--- /dev/null
+++ b/test/std/input.output/iostreams.base/std.ios.manip/floatfield.manip/defaultfloat.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <ios>
+
+// class ios_base
+
+// ios_base& defaultfloat(ios_base& str);
+
+#include <ios>
+#include <streambuf>
+#include <cassert>
+
+struct testbuf : public std::streambuf {};
+
+int main()
+{
+    testbuf sb;
+    std::ios ios(&sb);
+    std::ios_base& r = std::defaultfloat(ios);
+    assert(&r == &ios);
+    assert(!(ios.flags() & std::ios::fixed));
+    assert(!(ios.flags() & std::ios::scientific));
+}