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Diffstat (limited to 'tests/test-posixly-correct/scanner.l')
-rw-r--r-- | tests/test-posixly-correct/scanner.l | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/tests/test-posixly-correct/scanner.l b/tests/test-posixly-correct/scanner.l new file mode 100644 index 0000000..20912df --- /dev/null +++ b/tests/test-posixly-correct/scanner.l @@ -0,0 +1,79 @@ +/* + * This file is part of flex. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE. + */ + +%{ +/* The goal of this test is to verify that we are getting the counter-intuitive + * posix behavior of the repeat operator `{}'. + * + * ab{3} - In traditional flex, this matches "abbb". + * In posix, this matches "ababab". + */ +#include <stdio.h> +#include <stdlib.h> +#include "config.h" + +#define NUM_TESTS 1 +char * tests[NUM_TESTS] = { "ababab"}; +int main(void); + +int tests_ok[NUM_TESTS] = { 0 }; + +%} + +%option 8bit outfile="scanner.c" prefix="test" +%option nounput nomain noyywrap +%option warn + + +%% + +ab{3} tests_ok[0] = 1; return 0; +.|\n return 0; + +%% + + +int main () +{ + YY_BUFFER_STATE state; + int i; + + yyin = stdin; + yyout = stdout; + + /* Run the tests */ + for (i=0; i < NUM_TESTS; i++){ + printf("Testing: yy_scan_string(%s): ", tests[i]); + state = yy_scan_string(tests[i]); + yylex(); + yy_delete_buffer(state); + printf("... %s\n", tests_ok[i] ? "OK" : "FAILED"); + } + + for (i=0; i < NUM_TESTS; i++) + if (!tests_ok[i]) + exit(1); + + printf("TEST RETURNING OK.\n"); + return 0; +} |