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-rw-r--r--src/pal/tests/palsuite/c_runtime/labs/test1/test1.cpp65
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
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+// 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;
+}