From 384cc9551d11f74b9c642e6ca0dfc586cfafba5f Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sat, 14 Apr 2007 00:15:48 +0000 Subject: [PATCH] Tests for module 'fwritable'. --- ChangeLog | 3 ++ modules/fwritable-tests | 11 +++++ tests/test-fwritable.c | 115 ++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 129 insertions(+) create mode 100644 modules/fwritable-tests create mode 100644 tests/test-fwritable.c diff --git a/ChangeLog b/ChangeLog index beaa2fa5f..ea46940ee 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 2007-04-13 Bruno Haible + * modules/fwritable-tests: New file. + * tests/test-fwritable.c: New file. + * modules/fwritable: New file. * lib/fwritable.h: New file. * lib/fwritable.c: New file. diff --git a/modules/fwritable-tests b/modules/fwritable-tests new file mode 100644 index 000000000..0e61607d8 --- /dev/null +++ b/modules/fwritable-tests @@ -0,0 +1,11 @@ +Files: +tests/test-fwritable.c + +Depends-on: + +configure.ac: + +Makefile.am: +TESTS += test-fwritable +check_PROGRAMS += test-fwritable + diff --git a/tests/test-fwritable.c b/tests/test-fwritable.c new file mode 100644 index 000000000..c3b71ecf3 --- /dev/null +++ b/tests/test-fwritable.c @@ -0,0 +1,115 @@ +/* Test of fwritable() function. + Copyright (C) 2007 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ + +/* Written by Bruno Haible , 2007. */ + +#include + +#include "fwritable.h" + +#include + +#define ASSERT(expr) if (!(expr)) abort (); + +#define TESTFILE "t-fwritable.tmp" + +int +main () +{ + FILE *fp; + + /* Create a file with some contents. */ + fp = fopen (TESTFILE, "w"); + if (fp == NULL) + goto skip; + ASSERT (fwritable (fp)); + if (fwrite ("foobarsh", 1, 8, fp) < 8) + goto skip; + ASSERT (fwritable (fp)); + if (fclose (fp)) + goto skip; + + /* Open it in read-only mode. */ + fp = fopen (TESTFILE, "r"); + if (fp == NULL) + goto skip; + ASSERT (!fwritable (fp)); + if (fgetc (fp) != 'f') + goto skip; + ASSERT (!fwritable (fp)); + if (fseek (fp, 2, SEEK_CUR)) + goto skip; + ASSERT (!fwritable (fp)); + if (fgetc (fp) != 'b') + goto skip; + ASSERT (!fwritable (fp)); + fflush (fp); + ASSERT (!fwritable (fp)); + if (fgetc (fp) != 'a') + goto skip; + ASSERT (!fwritable (fp)); + if (fseek (fp, 0, SEEK_END)) + goto skip; + ASSERT (!fwritable (fp)); + if (fclose (fp)) + goto skip; + + /* Open it in read-write mode. */ + fp = fopen (TESTFILE, "r+"); + if (fp == NULL) + goto skip; + ASSERT (fwritable (fp)); + if (fgetc (fp) != 'f') + goto skip; + ASSERT (fwritable (fp)); + if (fseek (fp, 2, SEEK_CUR)) + goto skip; + ASSERT (fwritable (fp)); + if (fgetc (fp) != 'b') + goto skip; + ASSERT (fwritable (fp)); + fflush (fp); + ASSERT (fwritable (fp)); + if (fgetc (fp) != 'a') + goto skip; + ASSERT (fwritable (fp)); + if (fputc ('z', fp) != 'z') + goto skip; + ASSERT (fwritable (fp)); + if (fseek (fp, 0, SEEK_END)) + goto skip; + ASSERT (fwritable (fp)); + if (fclose (fp)) + goto skip; + + /* Open it in append mode. */ + fp = fopen (TESTFILE, "a"); + if (fp == NULL) + goto skip; + ASSERT (fwritable (fp)); + if (fwrite ("bla", 1, 3, fp) < 3) + goto skip; + ASSERT (fwritable (fp)); + if (fclose (fp)) + goto skip; + + return 0; + + skip: + fprintf (stderr, "Skipping test: file operations failed.\n"); + return 77; +} -- 2.11.0