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Diffstat (limited to 'src/pal/tests/palsuite/c_runtime/_wfopen/test5/test5.c')
-rw-r--r-- | src/pal/tests/palsuite/c_runtime/_wfopen/test5/test5.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/_wfopen/test5/test5.c b/src/pal/tests/palsuite/c_runtime/_wfopen/test5/test5.c new file mode 100644 index 0000000000..21e5ec84ed --- /dev/null +++ b/src/pal/tests/palsuite/c_runtime/_wfopen/test5/test5.c @@ -0,0 +1,82 @@ +// 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: test5.c +** +** Purpose: Tests the PAL implementation of the _wfopen function. +** Test to ensure that you can write to a 'r+' mode file. +** And that you can read from a 'r+' mode file. +** +** Depends: +** fprintf +** fclose +** fgets +** fseek +** + +** +**===================================================================*/ +#define UNICODE + +#include <palsuite.h> + +int __cdecl main(int argc, char **argv) +{ + + FILE *fp; + char buffer[128]; + WCHAR filename[] = {'t','e','s','t','f','i','l','e','\0'}; + WCHAR write[] = {'w','\0'}; + WCHAR readplus[] = {'r','+','\0'}; + + if (PAL_Initialize(argc, argv)) + { + return FAIL; + } + + + /* Open a file with 'w' mode */ + if( (fp = _wfopen( filename,write )) == NULL ) + { + Fail( "ERROR: The file failed to open with 'w' mode.\n" ); + } + + if(fclose(fp)) + { + Fail("ERROR: Attempted to close a file, but fclose failed. " + "This test depends upon it."); + } + + if( (fp = _wfopen( filename, readplus )) == NULL ) + { + Fail( "ERROR: The file failed to open with 'r+' mode.\n" ); + } + + /* Write some text to the file */ + if(fprintf(fp,"%s","some text") <= 0) + { + Fail("ERROR: Attempted to WRITE to a file opened with 'r+' mode " + "but fprintf failed. Either fopen or fprintf have problems."); + } + + if(fseek(fp, 0, SEEK_SET)) + { + Fail("ERROR: fseek failed, and this test depends on it."); + } + + /* Attempt to read from the 'r+' only file, should pass */ + if(fgets(buffer,10,fp) == NULL) + { + Fail("ERROR: Tried to READ from a file with 'r+' mode set. " + "This should succeed, but fgets returned NULL. Either fgets " + "or fopen is broken."); + } + + PAL_Terminate(); + return PASS; +} + + |