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/* $NetBSD: t_basedirname.c,v 1.2 2011/07/07 09:49:59 jruoho Exp $ */
/*
* Regression test for basename(3).
*
* Written by Jason R. Thorpe <thorpej@NetBSD.org>, Oct. 2002.
* Public domain.
*/
#include <atf-c.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <libgen.h>
struct {
const char *input;
const char *output;
} test_basename_table[] = {
/*
* The following are taken from the "Sample Input and Output Strings
* for basename()" table in IEEE Std 1003.1-2001.
*/
{ "/usr/lib", "lib" },
{ "/usr/", "usr" },
{ "/", "/" },
{ "///", "/" },
{ "//usr//lib//", "lib" },
/*
* IEEE Std 1003.1-2001:
*
* If path is a null pointer or points to an empty string,
* basename() shall return a pointer to the string "." .
*/
{ "", "." },
{ NULL, "." },
/*
* IEEE Std 1003.1-2001:
*
* If the string is exactly "//", it is implementation-defined
* whether "/" or "//" is returned.
*
* The NetBSD implementation returns "/".
*/
{ "//", "/" },
{ NULL, NULL }
};
struct {
const char *input;
const char *output;
} test_dirname_table[] = {
/*
* The following are taken from the "Sample Input and Output Strings
* for dirname()" table in IEEE Std 1003.1-2001.
*/
{ "/usr/lib", "/usr" },
{ "/usr/", "/" },
{ "usr", "." },
{ "/", "/" },
{ ".", "." },
{ "..", "." },
/*
* IEEE Std 1003.1-2001:
*
* If path is a null pointer or points to an empty string,
* dirname() shall return a pointer to the string "." .
*/
{ "", "." },
{ NULL, "." },
/*
* IEEE Std 1003.1-2001:
*
* Since the meaning of the leading "//" is implementation-defined,
* dirname("//foo") may return either "//" or "/" (but nothing else).
*
* The NetBSD implementation returns "/".
*/
{ "//foo", "/" },
/*
* Make sure the trailing slashes after the directory name component
* get trimmed. The Std does not talk about this, but this is what
* Solaris 8's dirname(3) does.
*/
{ "/usr///lib", "/usr" },
{ NULL, NULL }
};
ATF_TC(basename_posix);
ATF_TC_HEAD(basename_posix, tc)
{
atf_tc_set_md_var(tc, "descr", "Test basename(3) with POSIX examples");
}
ATF_TC_BODY(basename_posix, tc)
{
char testbuf[32], *base;
int i;
for (i = 0; test_basename_table[i].output != NULL; i++) {
if (test_basename_table[i].input != NULL) {
if (strlen(test_basename_table[i].input) >=
sizeof(testbuf))
atf_tc_skip("Testbuf too small!");
strcpy(testbuf, test_basename_table[i].input);
base = basename(testbuf);
} else
base = basename(NULL);
/*
* basename(3) is allowed to modify the input buffer.
* However, that is considered hostile by some programs,
* and so we elect to consider this an error.
*
* This is not a problem, as basename(3) is also allowed
* to return a pointer to a statically-allocated buffer
* (it is explicitly not required to be reentrant).
*/
if (test_basename_table[i].input != NULL &&
strcmp(test_basename_table[i].input, testbuf) != 0) {
fprintf(stderr,
"Input buffer for \"%s\" was modified\n",
test_basename_table[i].input);
atf_tc_fail("Input buffer was modified.");
}
/* Make sure the result is correct. */
if (strcmp(test_basename_table[i].output, base) != 0) {
fprintf(stderr,
"Input \"%s\", output \"%s\", expected \"%s\"\n",
test_basename_table[i].input ==
NULL ? "(null)" : test_basename_table[i].input,
base, test_basename_table[i].output);
atf_tc_fail("Output does not match expected value.");
}
}
}
ATF_TC(dirname_posix);
ATF_TC_HEAD(dirname_posix, tc)
{
atf_tc_set_md_var(tc, "descr", "Test dirname(3) with POSIX examples");
}
ATF_TC_BODY(dirname_posix, tc)
{
char testbuf[32], *base;
int i;
for (i = 0; test_dirname_table[i].output != NULL; i++) {
if (test_dirname_table[i].input != NULL) {
if (strlen(test_dirname_table[i].input) >=
sizeof(testbuf))
atf_tc_skip("Testbuf too small!");
strcpy(testbuf, test_dirname_table[i].input);
base = dirname(testbuf);
} else
base = dirname(NULL);
/*
* dirname(3) is allowed to modify the input buffer.
* However, that is considered hostile by some programs,
* and so we elect to consider this an error.
*
* This is not a problem, as dirname(3) is also allowed
* to return a pointer to a statically-allocated buffer
* (it is explicitly not required to be reentrant).
*/
if (test_dirname_table[i].input != NULL &&
strcmp(test_dirname_table[i].input, testbuf) != 0) {
fprintf(stderr,
"Input buffer for \"%s\" was modified\n",
test_dirname_table[i].input);
atf_tc_fail("Input buffer was modified.");
}
/* Make sure the result is correct. */
if (strcmp(test_dirname_table[i].output, base) != 0) {
fprintf(stderr,
"Input \"%s\", output \"%s\", expected \"%s\"\n",
test_dirname_table[i].input ==
NULL ? "(null)" : test_dirname_table[i].input,
base, test_dirname_table[i].output);
atf_tc_fail("Output does not match expected value.");
}
}
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, basename_posix);
ATF_TP_ADD_TC(tp, dirname_posix);
return atf_no_error();
}
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