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libisofs/test/test_rockridge.c

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/*
* Unit test for util.h
*
* This test utiliy functions
*/
#include "test.h"
#include "ecma119_tree.h"
#include "rockridge.h"
#include "node.h"
#include <string.h>
static void test_rrip_calc_len_file()
{
IsoFile *file;
Ecma119Node *node;
size_t sua_len = 0, ce_len = 0;
file = malloc(sizeof(IsoFile));
CU_ASSERT_PTR_NOT_NULL_FATAL(file);
file->msblock = 0;
file->sort_weight = 0;
file->stream = NULL; /* it is not needed here */
file->node.type = LIBISO_FILE;
node = malloc(sizeof(Ecma119Node));
CU_ASSERT_PTR_NOT_NULL_FATAL(node);
node->node = (IsoNode*)file;
node->parent = (Ecma119Node*)0x55555555; /* just to make it not NULL */
node->info.file = NULL; /* it is not needed here */
node->type = ECMA119_FILE;
/* Case 1. Name fit in System Use field */
file->node.name = "a small name.txt";
node->iso_name = "A_SMALL_.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 0);
CU_ASSERT_EQUAL(sua_len, 44 + (5 + 16) + (5 + 3*7) + 1);
/* Case 2. Name fits exactly */
file->node.name = "a big name, with 133 characters, that it is the max "
"that fits in System Use field of the directory record "
"PADPADPADADPADPADPADPAD.txt";
node->iso_name = "A_BIG_NA.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 0);
/* note that 254 is the max length of a directory record, as it needs to
* be an even number */
CU_ASSERT_EQUAL(sua_len, 254 - 46);
/* case 3. A name just 1 character too big to fit in SUA */
file->node.name = "a big name, with 133 characters, that it is the max "
"that fits in System Use field of the directory record "
"PADPADPADADPADPADPADPAD1.txt";
node->iso_name = "A_BIG_NA.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
/* 28 (the chars moved to include the CE entry) + 5 (header of NM in CE) +
* 1 (the char that originally didn't fit) */
CU_ASSERT_EQUAL(ce_len, 28 + 5 + 1);
/* note that 254 is the max length of a directory record, as it needs to
* be an even number */
CU_ASSERT_EQUAL(sua_len, 254 - 46);
free(node);
free(file);
}
static void test_rrip_calc_len_symlink()
{
IsoSymlink *link;
Ecma119Node *node;
size_t sua_len = 0, ce_len = 0;
link = malloc(sizeof(IsoSymlink));
CU_ASSERT_PTR_NOT_NULL_FATAL(link);
link->node.type = LIBISO_SYMLINK;
node = malloc(sizeof(Ecma119Node));
CU_ASSERT_PTR_NOT_NULL_FATAL(node);
node->node = (IsoNode*)link;
node->parent = (Ecma119Node*)0x55555555; /* just to make it not NULL */
node->type = ECMA119_SYMLINK;
/* Case 1. Name and dest fit in System Use field */
link->node.name = "a small name.txt";
link->dest = "/three/components";
node->iso_name = "A_SMALL_.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 0);
CU_ASSERT_EQUAL(sua_len, 44 + (5 + 16) + (5 + 3*7) + 1 +
(5 + 2 + (2+5) + (2+10)) );
/* case 2. name + dest fits exactly */
link->node.name = "this name will have 74 characters as it is the max "
"that fits in the SU.txt";
link->dest = "./and/../a/./big/destination/with/10/components";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 0);
CU_ASSERT_EQUAL(sua_len, 254 - 46);
/* case 3. name fits, dest is one byte larger to fit */
/* 3.a extra byte in dest */
link->node.name = "this name will have 74 characters as it is the max "
"that fits in the SU.txt";
link->dest = "./and/../a/./big/destination/with/10/componentsk";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 60);
CU_ASSERT_EQUAL(sua_len, 44 + (5 + 74) + (5 + 3*7) + 1 + 28);
/* 3.b extra byte in name */
link->node.name = "this name will have 75 characters as it is the max "
"that fits in the SUx.txt";
link->dest = "./and/../a/./big/destination/with/10/components";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 59);
CU_ASSERT_EQUAL(sua_len, 44 + (5 + 75) + (5 + 3*7) + 28);
/* case 4. name seems to fit, but SL no, and when CE is added NM
* doesn't fit too */
/* 4.a it just fits */
link->node.name = "this name will have 105 characters as it is just the "
"max that fits in the SU once we add the CE entry.txt";
link->dest = "./and/../a/./big/destination/with/10/components";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 59);
CU_ASSERT_EQUAL(sua_len, 254 - 46);
/* 4.b it just fits, the the component ends in '/' */
link->node.name = "this name will have 105 characters as it is just the "
"max that fits in the SU once we add the CE entry.txt";
link->dest = "./and/../a/./big/destination/with/10/components/";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 59);
CU_ASSERT_EQUAL(sua_len, 254 - 46);
/* 4.c extra char in name, that forces it to be divided */
link->node.name = "this name will have 105 characters as it is just the "
"max that fits in the SU once we add the CE entryc.txt";
link->dest = "./and/../a/./big/destination/with/10/components";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 59 + 6);
CU_ASSERT_EQUAL(sua_len, 254 - 46);
/* 5 max destination length to fit in a single SL entry (250) */
link->node.name = "this name will have 74 characters as it is the max "
"that fits in the SU.txt";
link->dest = "./and/../a/./very/big/destination/with/10/components/that/"
"conforms/the/max/that/fits/in/a/single/SL/as/it/takes/"
"just/two/hundred/and/fifty/bytes/bytes/bytes/bytes/bytes"
"/bytes/bytes/bytes/bytes/bytes/bytes/../bytes";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 255);
CU_ASSERT_EQUAL(sua_len, 44 + (5 + 74) + (5 + 3*7) + 1 + 28);
/* 6 min destination length to need two SL entries (251) */
link->node.name = "this name will have 74 characters as it is the max "
"that fits in the SU.txt";
link->dest = "./and/../a/./very/big/destination/with/10/components/that/"
"conforms/the/max/that/fits/in/a/single/SL/as/it/takes/"
"just/two/hundred/and/fifty/bytes/bytes/bytes/bytes/bytes"
"/bytes/bytes/bytes/bytes/bytes/bytes/../bytess";
node->iso_name = "THIS_NAM.TXT";
sua_len = rrip_calc_len(NULL, node, 0, 255 - 46, &ce_len);
CU_ASSERT_EQUAL(ce_len, 261);
CU_ASSERT_EQUAL(sua_len, 44 + (5 + 74) + (5 + 3*7) + 1 + 28);
}
static
void susp_info_free(struct susp_info *susp)
{
size_t i;
for (i = 0; i < susp->n_susp_fields; ++i) {
free(susp->susp_fields[i]);
}
free(susp->susp_fields);
for (i = 0; i < susp->n_ce_susp_fields; ++i) {
free(susp->ce_susp_fields[i]);
}
free(susp->ce_susp_fields);
}
static
void test_rrip_get_susp_fields_file()
{
IsoFile *file;
Ecma119Node *node;
int ret;
struct susp_info susp;
Ecma119Image t;
uint8_t *entry;
memset(&t, 0, sizeof(Ecma119Image));
file = malloc(sizeof(IsoFile));
CU_ASSERT_PTR_NOT_NULL_FATAL(file);
file->msblock = 0;
file->sort_weight = 0;
file->stream = NULL; /* it is not needed here */
file->node.type = LIBISO_FILE;
file->node.mode = S_IFREG | 0555;
file->node.uid = 235;
file->node.gid = 654;
file->node.mtime = 675757578;
file->node.atime = 546462546;
file->node.ctime = 323245342;
node = malloc(sizeof(Ecma119Node));
CU_ASSERT_PTR_NOT_NULL_FATAL(node);
node->node = (IsoNode*)file;
node->parent = (Ecma119Node*)0x55555555; /* just to make it not NULL */
node->info.file = NULL; /* it is not needed here */
node->type = ECMA119_FILE;
node->nlink = 1;
node->ino = 0x03447892;
/* Case 1. Name fit in System Use field */
file->node.name = "a small name.txt";
node->iso_name = "A_SMALL_.TXT";
memset(&susp, 0, sizeof(struct susp_info));
ret = rrip_get_susp_fields(&t, node, 0, 255 - 46, &susp);
CU_ASSERT_EQUAL(ret, 1);
CU_ASSERT_EQUAL(susp.ce_len, 0);
CU_ASSERT_EQUAL(susp.n_ce_susp_fields, 0);
CU_ASSERT_EQUAL(susp.n_susp_fields, 3); /* PX + TF + NM */
CU_ASSERT_EQUAL(susp.suf_len, 44 + (5 + 16) + (5 + 3*7) + 1);
/* PX is the first entry */
entry = susp.susp_fields[0];
CU_ASSERT_PTR_NOT_NULL(entry);
CU_ASSERT_EQUAL(entry[0], 'P');
CU_ASSERT_EQUAL(entry[1], 'X');
CU_ASSERT_EQUAL(entry[2], 44);
CU_ASSERT_EQUAL(entry[3], 1);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 4, 4), S_IFREG | 0555);
CU_ASSERT_EQUAL(iso_read_msb(entry + 8, 4), S_IFREG | 0555);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 12, 4), 1);
CU_ASSERT_EQUAL(iso_read_msb(entry + 16, 4), 1);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 20, 4), 235);
CU_ASSERT_EQUAL(iso_read_msb(entry + 24, 4), 235);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 28, 4), 654);
CU_ASSERT_EQUAL(iso_read_msb(entry + 32, 4), 654);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 36, 4), 0x03447892);
CU_ASSERT_EQUAL(iso_read_msb(entry + 40, 4), 0x03447892);
/* TF is the second entry */
entry = susp.susp_fields[1];
CU_ASSERT_PTR_NOT_NULL(entry);
CU_ASSERT_EQUAL(entry[0], 'T');
CU_ASSERT_EQUAL(entry[1], 'F');
CU_ASSERT_EQUAL(entry[2], 5 + 3*7);
CU_ASSERT_EQUAL(entry[3], 1);
CU_ASSERT_EQUAL(entry[4], 0x0E);
CU_ASSERT_EQUAL(iso_datetime_read_7(entry + 5), 675757578);
CU_ASSERT_EQUAL(iso_datetime_read_7(entry + 12), 546462546);
CU_ASSERT_EQUAL(iso_datetime_read_7(entry + 19), 323245342);
/* NM is the last entry */
entry = susp.susp_fields[2];
CU_ASSERT_PTR_NOT_NULL(entry);
CU_ASSERT_EQUAL(entry[0], 'N');
CU_ASSERT_EQUAL(entry[1], 'M');
CU_ASSERT_EQUAL(entry[2], 5 + 16);
CU_ASSERT_EQUAL(entry[3], 1);
CU_ASSERT_EQUAL(entry[4], 0);
CU_ASSERT_NSTRING_EQUAL(entry + 5, "a small name.txt", 16);
susp_info_free(&susp);
/* Case 2. Name fits exactly */
file->node.name = "a big name, with 133 characters, that it is the max "
"that fits in System Use field of the directory record "
"PADPADPADADPADPADPADPAD.txt";
node->iso_name = "A_BIG_NA.TXT";
memset(&susp, 0, sizeof(struct susp_info));
ret = rrip_get_susp_fields(&t, node, 0, 255 - 46, &susp);
CU_ASSERT_EQUAL(ret, 1);
CU_ASSERT_EQUAL(susp.ce_len, 0);
CU_ASSERT_EQUAL(susp.n_ce_susp_fields, 0);
CU_ASSERT_EQUAL(susp.suf_len, 254 - 46);
CU_ASSERT_EQUAL(susp.n_susp_fields, 3); /* PX + TF + NM */
/* NM is the last entry */
entry = susp.susp_fields[2];
CU_ASSERT_PTR_NOT_NULL(entry);
CU_ASSERT_EQUAL(entry[0], 'N');
CU_ASSERT_EQUAL(entry[1], 'M');
CU_ASSERT_EQUAL(entry[2], 5 + 133);
CU_ASSERT_EQUAL(entry[3], 1);
CU_ASSERT_EQUAL(entry[4], 0);
CU_ASSERT_NSTRING_EQUAL(entry + 5, "a big name, with 133 characters, that "
"it is the max that fits in System Use field of the "
"directory record PADPADPADADPADPADPADPAD.txt", 133);
susp_info_free(&susp);
/* case 3. A name just 1 character too big to fit in SUA */
file->node.name = "a big name, with 133 characters, that it is the max "
"that fits in System Use field of the directory record "
"PADPADPADADPADPADPADPAD1.txt";
node->iso_name = "A_BIG_NA.TXT";
memset(&susp, 0, sizeof(struct susp_info));
ret = rrip_get_susp_fields(&t, node, 0, 255 - 46, &susp);
CU_ASSERT_EQUAL(ret, 1);
CU_ASSERT_EQUAL(susp.ce_len, 28 + 5 + 1);
CU_ASSERT_EQUAL(susp.suf_len, 254 - 46);
CU_ASSERT_EQUAL(susp.n_susp_fields, 4); /* PX + TF + NM + CE */
CU_ASSERT_EQUAL(susp.n_ce_susp_fields, 1); /* NM */
/* test NM entry */
entry = susp.susp_fields[2];
CU_ASSERT_PTR_NOT_NULL(entry);
CU_ASSERT_EQUAL(entry[0], 'N');
CU_ASSERT_EQUAL(entry[1], 'M');
CU_ASSERT_EQUAL(entry[2], 5 + 105);
CU_ASSERT_EQUAL(entry[3], 1);
CU_ASSERT_EQUAL(entry[4], 1); /* CONTINUE */
CU_ASSERT_NSTRING_EQUAL(entry + 5, "a big name, with 133 characters, that "
"it is the max that fits in System Use field of the "
"directory record", 105);
/* and CE entry */
entry = susp.susp_fields[3];
CU_ASSERT_PTR_NOT_NULL(entry);
CU_ASSERT_EQUAL(entry[0], 'C');
CU_ASSERT_EQUAL(entry[1], 'E');
CU_ASSERT_EQUAL(entry[2], 28);
CU_ASSERT_EQUAL(entry[3], 1);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 4, 4), 0);
CU_ASSERT_EQUAL(iso_read_msb(entry + 8, 4), 0);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 12, 4), 0);
CU_ASSERT_EQUAL(iso_read_msb(entry + 16, 4), 0);
CU_ASSERT_EQUAL(iso_read_lsb(entry + 20, 4), 34);
CU_ASSERT_EQUAL(iso_read_msb(entry + 24, 4), 34);
/* and check Continuation area */
entry = susp.ce_susp_fields[0];
CU_ASSERT_PTR_NOT_NULL(entry);
CU_ASSERT_EQUAL(entry[0], 'N');
CU_ASSERT_EQUAL(entry[1], 'M');
CU_ASSERT_EQUAL(entry[2], 5 + 29);
CU_ASSERT_EQUAL(entry[3], 1);
CU_ASSERT_EQUAL(entry[4], 0);
CU_ASSERT_NSTRING_EQUAL(entry + 5, " PADPADPADADPADPADPADPAD1.txt", 29);
susp_info_free(&susp);
free(node);
free(file);
}
void add_rockridge_suite()
{
CU_pSuite pSuite = CU_add_suite("RockRidge Suite", NULL, NULL);
CU_add_test(pSuite, "rrip_calc_len(file)", test_rrip_calc_len_file);
CU_add_test(pSuite, "rrip_calc_len(symlink)", test_rrip_calc_len_symlink);
CU_add_test(pSuite, "rrip_get_susp_fields(file)", test_rrip_get_susp_fields_file);
}
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