1 files changed, 45 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/_swab/test1/test1.c b/src/pal/tests/palsuite/c_runtime/_swab/test1/test1.c
new file mode 100644
index 0000000000..203e3b3a06
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/_swab/test1/test1.c
@@ -0,0 +1,45 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+/*============================================================================
+**
+** Source:  test1.c
+**
+** Purpose: Calls _swab on a buffer, and checks that it has correctly
+**          swapped adjacent bytes
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char **argv)
+{
+    char before[] = "abcdefghijklmn";
+    char after[] =  "--------------";
+    const char check[] = "badcfehgjilknm";
+
+    /*
+     *  Initialize the PAL and return FAIL if this fails
+     */
+    if (0 != (PAL_Initialize(argc, argv)))
+    {
+        return FAIL;
+    }
+
+    _swab(before, after, sizeof(before));
+    if (memcmp(after, check, sizeof(after)) != 0)
+    {
+        Fail ("_swab did not correctly swap adjacent bytes in a buffer.\n");
+    }
+
+    PAL_Terminate();
+    return PASS;
+
+}
+
+
+
+
+