kopia lustrzana https://github.com/F5OEO/tstools
160 wiersze
5.1 KiB
C
160 wiersze
5.1 KiB
C
/*
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* Test the print redirection facilities
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the MPEG TS, PS and ES tools.
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*
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* The Initial Developer of the Original Code is Amino Communications Ltd.
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* Portions created by the Initial Developer are Copyright (C) 2008
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Amino Communications Ltd, Swavesey, Cambridge UK
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*
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* ***** END LICENSE BLOCK *****
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*/
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#include <stdio.h>
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#include "printing_fns.h"
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#include "version.h"
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// Some example redirection routines
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static void print_message_to_stdout(const char *message)
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{
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(void) printf("<<<MSG>>> %s",message);
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}
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static void print_message_to_stderr(const char *message)
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{
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(void) printf("<<<ERR>>> %s",message);
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}
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static void fprint_message_to_stdout(const char *format, va_list arg_ptr)
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{
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printf("<<<MSG>>> ");
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(void) vfprintf(stdout, format, arg_ptr);
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}
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static void fprint_message_to_stderr(const char *format, va_list arg_ptr)
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{
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printf("<<<ERR>>> ");
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(void) vfprintf(stdout, format, arg_ptr);
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}
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static void print_usage()
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{
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printf(
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"Usage: test_printing\n"
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"\n"
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);
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REPORT_VERSION("test_printing");
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printf(
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"\n"
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" Test the print redirection facilities.\n"
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);
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}
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int main(int argc, char **argv)
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{
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int err;
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if (argc > 1)
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{
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print_usage();
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return 1;
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}
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printf("A fairly crude set of tests, mainly to check that nothing falls over.\n");
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printf("For each set of tests, you should see 4 messages, all very similar.\n");
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printf("------------------------------------\n");
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printf("Testing the default output functions\n");
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printf("------------------------------------\n");
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print_msg("1. Printing a normal message\n");
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print_err("2. Printing an error message\n");
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fprint_msg("3. Printing a formatted '%s'\n","message");
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fprint_err("4. Printing a formatted '%s'\n","error");
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printf("-------------------------------------------\n");
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printf("Choosing 'traditional' output and repeating\n");
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printf("-------------------------------------------\n");
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redirect_output_stderr();
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print_msg("1. Printing a normal message\n");
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print_err("2. Printing an error message\n");
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fprint_msg("3. Printing a formatted '%s'\n","message");
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fprint_err("4. Printing a formatted '%s'\n","error");
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printf("---------------------------------------------\n");
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printf("Choosing 'all output to stdout' and repeating\n");
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printf("---------------------------------------------\n");
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redirect_output_stdout();
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print_msg("1. Printing a normal message\n");
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print_err("2. Printing an error message\n");
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fprint_msg("3. Printing a formatted '%s'\n","message");
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fprint_err("4. Printing a formatted '%s'\n","error");
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printf("-----------------------------------------\n");
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printf("Choosing 'custom functions' and repeating\n");
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printf("-----------------------------------------\n");
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err = redirect_output(print_message_to_stdout,
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print_message_to_stderr,
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fprint_message_to_stdout,
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fprint_message_to_stderr);
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if (err)
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{
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printf("Oops -- that went wrong: %d\n",err);
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return 1;
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}
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print_msg("1. Printing a normal message\n");
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print_err("2. Printing an error message\n");
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fprint_msg("3. Printing a formatted '%s'\n","message");
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fprint_err("4. Printing a formatted '%s'\n","error");
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printf("---------------------------------------------\n");
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printf("Trying to choose only *some* custom functions\n");
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printf("---------------------------------------------\n");
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err = redirect_output(print_message_to_stdout,
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print_message_to_stderr,
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NULL,
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fprint_message_to_stderr);
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if (err == 0)
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{
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printf("Oh dear, that appeared to work: %d\n",err);
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printf("So what happens if we try our tests again?\n");
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print_msg("1. Printing a normal message\n");
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print_err("2. Printing an error message\n");
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fprint_msg("3. Printing a formatted '%s'\n","message");
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fprint_err("4. Printing a formatted '%s'\n","error");
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return 1;
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}
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printf("Which failed - good\n");
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printf("------------------------------------------------------------------\n");
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printf("After that (expected) failure, all four messages should still work\n");
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printf("------------------------------------------------------------------\n");
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print_msg("1. Printing a normal message\n");
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print_err("2. Printing an error message\n");
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fprint_msg("3. Printing a formatted '%s'\n","message");
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fprint_err("4. Printing a formatted '%s'\n","error");
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return 0;
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}
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// Local Variables:
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// tab-width: 8
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// indent-tabs-mode: nil
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// c-basic-offset: 2
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// End:
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// vim: set tabstop=8 shiftwidth=2 expandtab:
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