1 files changed, 83 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/_gcvt/test2/test2.cpp b/src/pal/tests/palsuite/c_runtime/_gcvt/test2/test2.cpp
new file mode 100644
index 0000000000..7ac9a4fcf0
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/_gcvt/test2/test2.cpp
@@ -0,0 +1,83 @@
+// 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:  test2.c
+**
+** Purpose:  Call the _gcvt function on a number of cases.  Check that it
+** handles negatives, exponents and hex digits properly.  Also check that 
+** the 'digit' specification works. (And that it doesn't truncate negative
+** signs or decimals)  
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+struct testCase
+{
+    double Value;
+    int Digits;
+    char WinCorrectResult[128];
+    char BsdCorrectResult[128]; /* for the odd case where bsd sprintf 
+                                    varies from windows sprintf */
+};
+
+int __cdecl main(int argc, char **argv)
+{
+    char result[128];
+    int i=0;
+
+    struct testCase testCases[] =
+    {
+        {1234567,  7, "1234567"},
+        {1234.123, 7, "1234.123"},
+        {1234.1234, 7, "1234.123"},
+        {12.325678e+2, 7, "1232.568"},
+        {-12.3233333, 8, "-12.323333"},
+        {-12.32, 8, "-12.32"},
+        {-12.32e+2, 8, "-1232.", "-1232" },
+        {0x21DDFABC, 8, "5.6819577e+008", "5.6819577e+08" },
+        {123456789012345.0, 15, "123456789012345" },
+        {12340000.0, 8, "12340000"},
+        {12340000000000000.0, 15, "1.234e+016", "1.234e+16" },
+        {12340000000000000.0, 17, "12340000000000000"  },
+        
+    };
+
+    if (0 != (PAL_Initialize(argc, argv)))
+    {
+        return FAIL;
+    }
+
+    /* Loop through each case. Call _gcvt on each test case and check the
+       result.
+    */
+
+    for(i = 0; i < sizeof(testCases) / sizeof(struct testCase); i++)
+    {
+        _gcvt(testCases[i].Value, testCases[i].Digits, result);
+
+        if (strcmp(testCases[i].WinCorrectResult, result) != 0 && 
+            
+            ( testCases[i].BsdCorrectResult && 
+              strcmp(testCases[i].BsdCorrectResult, result) != 0 ) )
+        {
+            Fail("ERROR: _gcvt attempted to convert %f with %d digits "
+                 "signifigant, which resulted in "
+                 "the string '%s' instead of the correct(Win) string '%s' or the"
+                 "correct(bsd) string '%s'.\n",
+                 testCases[i].Value,
+                 testCases[i].Digits,
+                 result,
+                 testCases[i].WinCorrectResult,
+                 testCases[i].BsdCorrectResult);
+        }
+
+        memset(result, '\0', 128);
+    }
+    PAL_Terminate();
+    return PASS;
+}