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diff --git a/src/pal/tests/palsuite/c_runtime/atoi/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/atoi/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: Tests the PAL implementation of the atoi function.
+** Check to ensure that the different ints (normal,
+** negative, decimal,exponent), all work as expected with
+** this function.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+
+struct testCase
+{
+ int IntValue;
+ char avalue[20];
+};
+
+int __cdecl main(int argc, char **argv)
+{
+
+ int result=0;
+ int i=0;
+
+ struct testCase testCases[] =
+ {
+ {1234, "1234"},
+ {-1234, "-1234"},
+ {1234, "1234.44"},
+ {1234, "1234e-5"},
+ {1234, "1234e+5"},
+ {1234, "1234E5"},
+ {1234, "1234.657e-8"},
+ {1234567, " 1234567e-8 foo"},
+ {0, "aaa 32 test"}
+ };
+
+ /*
+ * Initialize the PAL and return FAIL if this fails
+ */
+ if (0 != (PAL_Initialize(argc, argv)))
+ {
+ return FAIL;
+ }
+
+ /* Loop through each case. Convert the string to an int
+ and then compare to ensure that it is the correct value.
+ */
+
+ for(i = 0; i < sizeof(testCases) / sizeof(struct testCase); i++)
+ {
+ /*Convert the string to an int.*/
+ result = atoi(testCases[i].avalue);
+
+ if (testCases[i].IntValue != result)
+ {
+ Fail("ERROR: atoi misinterpreted \"%s\" as %i instead of %i.\n"
+ , testCases[i].avalue, result, testCases[i].IntValue);
+ }
+
+ }
+
+
+ PAL_Terminate();
+ return PASS;
+}
+
+
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+