1 files changed, 129 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/file_io/GetTempFileNameW/test1/GetTempFileNameW.cpp b/src/pal/tests/palsuite/file_io/GetTempFileNameW/test1/GetTempFileNameW.cpp
new file mode 100644
index 0000000000..43cda8f447
--- /dev/null
+++ b/src/pal/tests/palsuite/file_io/GetTempFileNameW/test1/GetTempFileNameW.cpp
@@ -0,0 +1,129 @@
+// 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:  GetTempFileNameW.c (test 1)
+**
+** Purpose: Tests the PAL implementation of the GetTempFileNameW function.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+
+
+int __cdecl main(int argc, char *argv[])
+{
+    UINT uiError = 0;
+    const UINT uUnique = 0;
+    WCHAR* wPrefix = NULL;
+    WCHAR* wPath = NULL;
+    WCHAR wReturnedName[256];
+    WCHAR wTempString[256];
+
+    if (0 != PAL_Initialize(argc,argv))
+    {
+        return FAIL;
+    }
+
+
+    // valid path with null ext
+    wPath = convert(".");
+    uiError = GetTempFileNameW(wPath, wPrefix, uUnique, wReturnedName);
+    free (wPath);
+    if (uiError == 0)
+    {
+        Fail("GetTempFileNameW: ERROR -> Call failed with a valid path "
+            "with the error code: %ld\n", GetLastError());
+    }
+    else
+    {
+        // verify temp file was created
+        if (GetFileAttributesW(wReturnedName) == -1)
+        {
+            Fail("GetTempFileNameW: ERROR -> GetFileAttributes failed on the "
+                "returned temp file with error code: %ld.\n", GetLastError());
+        }
+        if (DeleteFileW(wReturnedName) != TRUE)
+        {
+            Fail("GetTempFileNameW: ERROR -> DeleteFileW failed to delete"
+                "the created temp file with error code: %lld.\n", GetLastError());
+        }
+    }
+
+
+    // valid path with valid prefix
+    wPath = convert(".");
+    wPrefix = convert("cfr");
+    uiError = GetTempFileNameW(wPath, wPrefix, uUnique, wReturnedName);
+    free (wPath);
+    free (wPrefix);
+    if (uiError == 0)
+    {
+        Fail("GetTempFileNameW: ERROR -> Call failed with a valid path and "
+            "prefix with the error code: %ld\n", GetLastError());
+    }
+    else
+    {
+        // verify temp file was created
+        if (GetFileAttributesW(wReturnedName) == -1)
+        {
+            Fail("GetTempFileNameW: ERROR -> GetFileAttributes failed on the "
+                "returned temp file with error code: %ld.\n", GetLastError());
+        }
+        if (DeleteFileW(wReturnedName) != TRUE)
+        {
+            Fail("GetTempFileNameW: ERROR -> DeleteFileW failed to delete"
+                "the created temp file with error code: %lld.\n", GetLastError());
+        }
+    }
+
+    // valid path with long prefix
+    wPath = convert(".");
+    wPrefix = convert("cfrwxyz");
+    uiError = GetTempFileNameW(wPath, wPrefix, uUnique, wReturnedName);
+    if (uiError == 0)
+    {
+        free (wPath);
+        free (wPrefix);
+        Fail("GetTempFileNameW: ERROR -> Call failed with a valid path and "
+            "prefix with the error code: %ld\n", GetLastError());
+    }
+    else
+    {
+        // verify temp file was created
+        if (GetFileAttributesW(wReturnedName) == -1)
+        {
+            free (wPath);
+            free (wPrefix);
+            Fail("GetTempFileNameW: ERROR -> GetFileAttributes failed on the "
+                "returned temp file with error code: %ld.\n", GetLastError());
+        }
+
+        // now verify that it only used the first 3 characters of the prefix
+        swprintf(wTempString, convert("%s\\%s"), wPath, wPrefix);
+        if (memcmp(wTempString, wReturnedName, wcslen(wTempString)*sizeof(WCHAR)) == 0)
+        {
+            free (wPath);
+            free (wPrefix);
+            Fail("GetTempFileNameW: ERROR -> It appears that an improper prefix "
+                "was used.\n");
+        }
+
+        if (DeleteFileW(wReturnedName) != TRUE)
+        {
+            free (wPath);
+            free (wPrefix);
+            Fail("GetTempFileNameW: ERROR -> DeleteFileW failed to delete"
+                "the created temp file with error code: %lld.\n", GetLastError());
+        }
+    }
+
+    free (wPath);
+    free (wPrefix);
+    PAL_Terminate();
+    return PASS;
+}