95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/* $NetBSD: test.c,v 1.1 2002/10/16 19:12:41 thorpej Exp $ */
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/*
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* Regression test for basename(3).
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*
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* Written by Jason R. Thorpe <thorpej@netbsd.org>, Oct. 2002.
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* Public domain.
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <libgen.h>
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struct {
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const char *input;
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const char *output;
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} test_table[] = {
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/*
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* The following are taken from the "Sample Input and Output Strings
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* for basename()" table in IEEE Std 1003.1-2001.
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*/
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{ "/usr/lib", "lib" },
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{ "/usr/", "usr" },
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{ "/", "/" },
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{ "///", "/" },
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{ "//usr//lib//", "lib" },
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/*
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* IEEE Std 1003.1-2001:
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*
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* If path is a null pointer or points to an empty string,
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* basename() shall return a pointer to the string "." .
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*/
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{ "", "." },
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{ NULL, "." },
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/*
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* IEEE Std 1003.1-2001:
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*
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* If the string is exactly "//", it is implementation-defined
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* whether "/" or "//" is returned.
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*
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* The NetBSD implementation returns "/".
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*/
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{ "//", "/" },
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{ NULL, NULL }
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};
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int main(int argc, char *argv[]);
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int
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main(int argc, char *argv[])
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{
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char testbuf[32], *base;
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int i, rv = 0;
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for (i = 0; test_table[i].output != NULL; i++) {
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if (test_table[i].input != NULL) {
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assert(strlen(test_table[i].input) < sizeof(testbuf));
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strcpy(testbuf, test_table[i].input);
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base = basename(testbuf);
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} else
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base = basename(NULL);
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/*
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* basename(3) is allowed to modify the input buffer.
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* However, that is considered hostile by some programs,
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* and so we elect to consider this an error.
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*
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* This is not a problem, as basename(3) is also allowed
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* to return a pointer to a statically-allocated buffer
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* (it is explicitly not required to be reentrant).
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*/
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if (test_table[i].input != NULL &&
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strcmp(test_table[i].input, testbuf) != 0) {
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fprintf(stderr,
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"Input buffer for \"%s\" was modified\n",
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test_table[i].input);
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rv = 1;
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}
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/* Make sure the result is correct. */
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if (strcmp(test_table[i].output, base) != 0) {
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fprintf(stderr,
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"Input \"%s\", output \"%s\", expected \"%s\"\n",
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test_table[i].input == NULL ? "(null)"
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: test_table[i].input,
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base, test_table[i].output);
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rv = 1;
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}
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}
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exit(rv);
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}
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