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-rw-r--r--src/pal/tests/palsuite/c_runtime/ferror/test2/test2.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/ferror/test2/test2.cpp b/src/pal/tests/palsuite/c_runtime/ferror/test2/test2.cpp
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index 0000000..fdf9e03
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+++ b/src/pal/tests/palsuite/c_runtime/ferror/test2/test2.cpp
@@ -0,0 +1,69 @@
+// 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: Open a read-only file and attempt to write some data to it.
+** Check to ensure that an ferror occurs.
+**
+** Depends:
+** fopen
+** fwrite
+** fclose
+**
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char **argv)
+{
+ const char filename[] = "testfile";
+ FILE * fp = NULL;
+ int result;
+
+ if (PAL_Initialize(argc, argv))
+ {
+ return FAIL;
+ }
+
+ /* Open a file in READONLY mode */
+
+ if((fp = fopen(filename, "r")) == NULL)
+ {
+ Fail("Unable to open a file for reading.");
+ }
+
+ /* Attempt to write 14 characters to the file. */
+
+ if((result = fwrite("This is a test",1,14,fp)) != 0)
+ {
+ Fail("ERROR: %d characters written. 0 characters should "
+ "have been written, since this file is read-only.", result);
+ }
+
+ if(ferror(fp) == 0)
+ {
+ Fail("ERROR: ferror should have generated an error when "
+ "write was called on a read-only file. But, it "
+ "retured 0, indicating no error.\n");
+ }
+
+ /* Close the file. */
+
+ if(fclose(fp) != 0)
+ {
+ Fail("ERROR: fclose failed when trying to close a file pointer. "
+ "This test depends on fclose working properly.");
+ }
+
+
+ PAL_Terminate();
+ return PASS;
+}
+
+