1 files changed, 22 insertions, 0 deletions
diff --git a/lldb/unittests/Host/HostTest.cpp b/lldb/unittests/Host/HostTest.cpp
new file mode 100644
index 00000000000..14a459ebf25
--- /dev/null
+++ b/lldb/unittests/Host/HostTest.cpp
@@ -0,0 +1,22 @@
+//===-- HostTest.cpp --------------------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Host/Host.h"
+#include "gtest/gtest.h"
+
+using namespace lldb_private;
+using namespace llvm;
+
+TEST(Host, WaitStatusFormat) {
+  EXPECT_EQ("W01", formatv("{0:g}", WaitStatus{WaitStatus::Exit, 1}).str());
+  EXPECT_EQ("X02", formatv("{0:g}", WaitStatus{WaitStatus::Signal, 2}).str());
+  EXPECT_EQ("S03", formatv("{0:g}", WaitStatus{WaitStatus::Stop, 3}).str());
+  EXPECT_EQ("Exited with status 4",
+            formatv("{0}", WaitStatus{WaitStatus::Exit, 4}).str());
+}