1 files changed, 116 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/file_io/FileTimeToDosDateTime/test1/test1.cpp b/src/pal/tests/palsuite/file_io/FileTimeToDosDateTime/test1/test1.cpp
new file mode 100644
index 0000000000..5f2c81ff98
--- /dev/null
+++ b/src/pal/tests/palsuite/file_io/FileTimeToDosDateTime/test1/test1.cpp
@@ -0,0 +1,116 @@
+// 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 that FileTimeToDosDateTime successfully converts values.
+**          Makes sure values are rounded up, and the limits of the function
+**          pass.  Also tests that values outside the valid range fail.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+typedef struct
+{
+    DWORD FileTimeLow;
+    DWORD FileTimeHigh;
+    WORD FatDate;
+    WORD FatTime;
+} testCase;
+
+int __cdecl main(int argc, char **argv)
+{    
+    FILETIME FileTime;
+    WORD ResultDate;
+    WORD ResultTime;
+    BOOL ret;
+    int i;
+
+    testCase testCases[] =
+    {
+        /* Test a normal time */
+        {0x9BE00100, 0x1B4A02C, 0x14CF, 0x55AF}, /* 12/15/2000, 10:45:30 AM*/
+        /* Test that 12/15/2000, 10:45:29 Gets rounded up */
+        {0x9B476A80, 0x1B4A02C, 0x14CF, 0x55AF}, /* 12/15/2000, 10:45:30 AM*/
+        /* Test that 12/15/2000, 10:45:31 Gets rounded up */
+        {0x9C789780, 0x1B4A02C, 0x14CF, 0x55B0}, /* 12/15/2000, 10:45:32 AM*/
+        
+        /* Test the upper and lower limits of the function */
+        {0xE1D58000, 0x1A8E79F, 0x0021, 0x0000}, /* 1/1/1980, 12:00:00 AM*/
+        {0xb9de1300, 0x1e9eede, 0x739f, 0xbf7d}, /* 12/31/2037, 11:59:58 PM*/
+     
+        /* Tests that should fail */
+        {0, 0, 0, 0},
+        {0xE0A45300, 0x1A8E79F, 0, 0},
+        {0x66D29301, 0x23868B8, 0, 0}
+        
+		/* All this accomplishes is for the date to overflow.
+		Likely the only reason it fails in Windows is bacause the
+		resulting date falls outside of the legal range.  Under BSD,
+		it falls into a legal range. This being that BSD calculates time
+		from 1900 to 2037, not 1980 to 2107.
+		{0xFFFFFFFF, 0xFFFFFFF, 0, 0}
+		*/
+    };
+    
+    if (0 != PAL_Initialize(argc,argv))
+    {
+        return FAIL;
+    }
+
+    for (i=0; i<sizeof(testCases) / sizeof(testCase); i++)
+    {
+        ResultDate = 0xFFFF;
+        ResultTime = 0xFFFF;
+
+        FileTime.dwLowDateTime = testCases[i].FileTimeLow;
+        FileTime.dwHighDateTime = testCases[i].FileTimeHigh;
+
+
+        ret = FileTimeToDosDateTime(&FileTime, &ResultDate, &ResultTime);
+        if (testCases[i].FatDate != 0 || testCases[i].FatTime != 0)
+        {
+            /* Expected it to pass */
+            if (!ret)
+            {
+                Fail("FileTimeToDosDateTime failed for %X,%X!\n", 
+                    testCases[i].FileTimeLow, testCases[i].FileTimeHigh);
+            }
+
+            if (ResultDate != testCases[i].FatDate || 
+                ResultTime != testCases[i].FatTime)
+            {
+                Fail("FileTimeToDosDateTime did not convert %X,%X "
+                    "successfully:\nExpected date to be %hX, time %hx.\n"
+                    "Got %hX, %hX\n", testCases[i].FileTimeLow, 
+                    testCases[i].FileTimeHigh, testCases[i].FatDate, 
+                    testCases[i].FatTime, ResultDate, ResultTime);
+            }
+        }
+        else
+        {
+            /* Expected it to fail. */
+            if (ret)
+            {
+                Fail("FileTimeToDosDateTime passed for %X,%X!\n",
+                    testCases[i].FileTimeLow, testCases[i].FileTimeHigh);
+            }
+
+            if (ResultDate != 0xFFFF || ResultTime != 0xFFFF)
+            {
+                Fail("FileTimeToDosDateTime failed, but modified output "
+                    "parameters: %X %X\n", ResultDate, ResultTime);
+            }
+        }
+
+    }
+
+    PAL_Terminate();
+    return PASS;
+}
+