1 files changed, 65 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/labs/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/labs/test1/test1.cpp
new file mode 100644
index 0000000000..41f85226e1
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/labs/test1/test1.cpp
@@ -0,0 +1,65 @@
+// 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: Call labs on a series of values -- negative, positive, zero,
+** and the largest negative value of a LONG.  Ensure that they are all
+** changed properly to their absoulte value. 
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+struct testCase
+{
+    LONG LongValue;
+    LONG AbsoluteLongValue;
+};
+
+int __cdecl main(int argc, char **argv)
+{
+
+    LONG result=0;
+    int i=0;
+
+    struct testCase testCases[] =
+        {
+            {1234,  1234},
+            {-1234, 1234},
+            {0,     0},
+            {-2147483647, 2147483647},  /* Max value to abs */
+            {2147483647, 2147483647}
+        };
+
+    if (0 != (PAL_Initialize(argc, argv)))
+    {
+        return FAIL;
+    }
+
+    /* Loop through each case. Call labs on each LONG and ensure that
+       the resulting value is correct.
+    */
+
+    for(i = 0; i < sizeof(testCases) / sizeof(struct testCase); i++)
+    {
+        /* Absolute value on a LONG */ 
+        result = labs(testCases[i].LongValue);
+
+        if (testCases[i].AbsoluteLongValue != result)
+        {
+            Fail("ERROR: labs took the absoulte value of '%d' to be '%d' "
+                 "instead of %d.\n", 
+                 testCases[i].LongValue, 
+                 result, 
+                 testCases[i].AbsoluteLongValue);
+        }
+    }
+
+    PAL_Terminate();
+    return PASS;
+}