1 files changed, 97 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/fgets/test2/test2.cpp b/src/pal/tests/palsuite/c_runtime/fgets/test2/test2.cpp
new file mode 100644
index 0000000000..fa37cdbc13
--- /dev/null
+++ b/src/pal/tests/palsuite/c_runtime/fgets/test2/test2.cpp
@@ -0,0 +1,97 @@
+// 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: Calls fgets to read a full line from a file.  A maximum length
+**          parameter greater than the length of the line is passed.
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char **argv)
+{
+    const char outBuf1[] = "This is a test.\n";  
+    const char outBuf2[] = "This is too.";
+
+    char inBuf[sizeof(outBuf1) + sizeof(outBuf2)];
+    const char filename[] = "testfile.tmp";
+    const int offset = 5;  /*value chosen arbitrarily*/
+    int expectedLen;
+    int actualLen;
+
+    FILE * fp;
+
+    if (PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+
+
+    /*write the file that we will use to test */
+    fp = fopen(filename, "w"); 
+    if (fp == NULL)
+    {
+        Fail("Unable to open file for write.\n");
+    }
+  
+    fwrite(outBuf1, sizeof(outBuf1[0]), sizeof(outBuf1), fp);
+    fwrite(outBuf2, sizeof(outBuf2[0]), sizeof(outBuf2), fp);
+
+    if (fclose(fp) != 0) 
+    {
+        Fail("error closing stream opened for write.\n");
+    }
+
+    /*Read until the first linebreak*/
+    fp = fopen(filename, "r");
+    if (fp == NULL)
+    {
+        Fail("Unable to open file for read.\n");
+    }
+  
+  
+    if (fgets(inBuf, sizeof(outBuf1) + offset , fp) != inBuf)
+    {
+        Fail("Error reading from file using fgets.\n");
+    }
+
+    /*note: -1 because strlen returns the length of a string _not_
+      including the NULL, while fgets returns a string of specified
+      maximum length _including_ the NULL.*/
+    expectedLen = strlen(outBuf1);  
+    actualLen = strlen(inBuf);
+    if (actualLen > expectedLen)
+    {
+        Fail("fgets() was asked to read the first line of a file, but did "
+             "not stop at the end of the line.\n");
+    }
+    else if (actualLen < expectedLen)
+    {
+        Fail("fgets() was asked to read the first line of a file, but did "
+             "not read the entire line.\n");
+    }
+    else if (memcmp(inBuf, outBuf1, actualLen) != 0)
+    {
+        /*We didn't read back exactly outBuf1*/
+        Fail("fgets() was asked to read the first line of a file.  It "
+             "has read back a string of the correct length, but the"
+             " contents are not correct.\n");
+    }
+    
+    if (fclose(fp) != 0)
+    {
+        Fail("Error closing file after using fgets().\n");
+    }
+
+    PAL_Terminate();
+    return PASS;
+
+}
+
+