/* * This testing program makes sure the badblocks implementation works. * * Copyright (C) 1996 by Theodore Ts'o. * * %Begin-Header% * This file may be redistributed under the terms of the GNU Library * General Public License, version 2. * %End-Header% */ #include <stdio.h> #include <string.h> #if HAVE_UNISTD_H #include <unistd.h> #endif #include <fcntl.h> #include <time.h> #include <sys/stat.h> #include <sys/types.h> #if HAVE_ERRNO_H #include <errno.h> #endif #include "ext2_fs.h" #include "ext2fs.h" #define ADD_BLK 0x0001 #define DEL_BLK 0x0002 blk_t test1[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 0 }; blk_t test2[] = { 11, 10, 9, 8, 7, 6, 5, 4, 3, 3, 2, 1 }; blk_t test3[] = { 3, 1, 4, 5, 9, 2, 7, 10, 5, 6, 10, 8, 0 }; blk_t test4[] = { 20, 50, 12, 17, 13, 2, 66, 23, 56, 0 }; blk_t test4a[] = { 20, 1, 50, 1, 3, 0, 17, 1, 18, 0, 16, 0, 11, 0, 12, 1, 13, 1, 14, 0, 80, 0, 45, 0, 66, 1, 0 }; blk_t test5[] = { 31, 20, 17, 51, 23, 1, 56, 57, 0 }; blk_t test5a[] = { 50, ADD_BLK, 51, DEL_BLK, 57, DEL_BLK, 66, ADD_BLK, 31, DEL_BLK, 12, ADD_BLK, 2, ADD_BLK, 13, ADD_BLK, 1, DEL_BLK, 0 }; static int test_fail = 0; static int test_expected_fail = 0; static errcode_t create_test_list(blk_t *vec, badblocks_list *ret) { errcode_t retval; badblocks_list bb; int i; retval = ext2fs_badblocks_list_create(&bb, 5); if (retval) { com_err("create_test_list", retval, "while creating list"); return retval; } for (i=0; vec[i]; i++) { retval = ext2fs_badblocks_list_add(bb, vec[i]); if (retval) { com_err("create_test_list", retval, "while adding test vector %d", i); ext2fs_badblocks_list_free(bb); return retval; } } *ret = bb; return 0; } static void print_list(badblocks_list bb, int verify) { errcode_t retval; badblocks_iterate iter; blk_t blk; int i, ok; retval = ext2fs_badblocks_list_iterate_begin(bb, &iter); if (retval) { com_err("print_list", retval, "while setting up iterator"); return; } ok = i = 1; while (ext2fs_badblocks_list_iterate(iter, &blk)) { printf("%u ", blk); if (i++ != blk) ok = 0; } ext2fs_badblocks_list_iterate_end(iter); if (verify) { if (ok) printf("--- OK"); else { printf("--- NOT OK"); test_fail++; } } } static void validate_test_seq(badblocks_list bb, blk_t *vec) { int i, match, ok; for (i = 0; vec[i]; i += 2) { match = ext2fs_badblocks_list_test(bb, vec[i]); if (match == vec[i+1]) ok = 1; else { ok = 0; test_fail++; } printf("\tblock %u is %s --- %s\n", vec[i], match ? "present" : "absent", ok ? "OK" : "NOT OK"); } } static void do_test_seq(badblocks_list bb, blk_t *vec) { int i, match; for (i = 0; vec[i]; i += 2) { switch (vec[i+1]) { case ADD_BLK: ext2fs_badblocks_list_add(bb, vec[i]); match = ext2fs_badblocks_list_test(bb, vec[i]); printf("Adding block %u --- now %s\n", vec[i], match ? "present" : "absent"); if (!match) { printf("FAILURE!\n"); test_fail++; } break; case DEL_BLK: ext2fs_badblocks_list_del(bb, vec[i]); match = ext2fs_badblocks_list_test(bb, vec[i]); printf("Removing block %u --- now %s\n", vec[i], ext2fs_badblocks_list_test(bb, vec[i]) ? "present" : "absent"); if (match) { printf("FAILURE!\n"); test_fail++; } break; } } } int file_test(badblocks_list bb) { badblocks_list new_bb = 0; errcode_t retval; FILE *f; f = tmpfile(); if (!f) { fprintf(stderr, "Error opening temp file: %s\n", error_message(errno)); return 1; } retval = ext2fs_write_bb_FILE(bb, 0, f); if (retval) { com_err("file_test", retval, "while writing bad blocks"); return 1; } rewind(f); retval = ext2fs_read_bb_FILE2(0, f, &new_bb, 0, 0); if (retval) { com_err("file_test", retval, "while reading bad blocks"); return 1; } fclose(f); if (ext2fs_badblocks_equal(bb, new_bb)) { printf("Block bitmap matched after reading and writing.\n"); } else { printf("Block bitmap NOT matched.\n"); test_fail++; } return 0; } static void invalid_proc(ext2_filsys fs, blk_t blk) { if (blk == 34500) { printf("Expected invalid block\n"); test_expected_fail++; } else { printf("Invalid block #: %u\n", blk); test_fail++; } } int file_test_invalid(badblocks_list bb) { badblocks_list new_bb = 0; errcode_t retval; ext2_filsys fs; FILE *f; fs = malloc(sizeof(struct struct_ext2_filsys)); memset(fs, 0, sizeof(struct struct_ext2_filsys)); fs->magic = EXT2_ET_MAGIC_EXT2FS_FILSYS; fs->super = malloc(SUPERBLOCK_SIZE); memset(fs->super, 0, SUPERBLOCK_SIZE); fs->super->s_first_data_block = 1; ext2fs_blocks_count_set(fs->super, 100); f = tmpfile(); if (!f) { fprintf(stderr, "Error opening temp file: %s\n", error_message(errno)); return 1; } retval = ext2fs_write_bb_FILE(bb, 0, f); if (retval) { com_err("file_test", retval, "while writing bad blocks"); return 1; } fprintf(f, "34500\n"); rewind(f); test_expected_fail = 0; retval = ext2fs_read_bb_FILE(fs, f, &new_bb, invalid_proc); if (retval) { com_err("file_test", retval, "while reading bad blocks"); return 1; } fclose(f); if (!test_expected_fail) { printf("Expected test failure didn't happen!\n"); test_fail++; } if (ext2fs_badblocks_equal(bb, new_bb)) { printf("Block bitmap matched after reading and writing.\n"); } else { printf("Block bitmap NOT matched.\n"); test_fail++; } return 0; } int main(int argc, char **argv) { badblocks_list bb1, bb2, bb3, bb4, bb5; int equal; errcode_t retval; add_error_table(&et_ext2_error_table); bb1 = bb2 = bb3 = bb4 = bb5 = 0; printf("test1: "); retval = create_test_list(test1, &bb1); if (retval == 0) print_list(bb1, 1); printf("\n"); printf("test2: "); retval = create_test_list(test2, &bb2); if (retval == 0) print_list(bb2, 1); printf("\n"); printf("test3: "); retval = create_test_list(test3, &bb3); if (retval == 0) print_list(bb3, 1); printf("\n"); printf("test4: "); retval = create_test_list(test4, &bb4); if (retval == 0) { print_list(bb4, 0); printf("\n"); validate_test_seq(bb4, test4a); } printf("\n"); printf("test5: "); retval = create_test_list(test5, &bb5); if (retval == 0) { print_list(bb5, 0); printf("\n"); do_test_seq(bb5, test5a); printf("After test5 sequence: "); print_list(bb5, 0); printf("\n"); } printf("\n"); if (bb1 && bb2 && bb3 && bb4 && bb5) { printf("Comparison tests:\n"); equal = ext2fs_badblocks_equal(bb1, bb2); printf("bb1 and bb2 are %sequal.\n", equal ? "" : "NOT "); if (equal) test_fail++; equal = ext2fs_badblocks_equal(bb1, bb3); printf("bb1 and bb3 are %sequal.\n", equal ? "" : "NOT "); if (!equal) test_fail++; equal = ext2fs_badblocks_equal(bb1, bb4); printf("bb1 and bb4 are %sequal.\n", equal ? "" : "NOT "); if (equal) test_fail++; equal = ext2fs_badblocks_equal(bb4, bb5); printf("bb4 and bb5 are %sequal.\n", equal ? "" : "NOT "); if (!equal) test_fail++; printf("\n"); } file_test(bb4); file_test_invalid(bb4); if (test_fail == 0) printf("ext2fs library badblocks tests checks out OK!\n"); if (bb1) ext2fs_badblocks_list_free(bb1); if (bb2) ext2fs_badblocks_list_free(bb2); if (bb3) ext2fs_badblocks_list_free(bb3); if (bb4) ext2fs_badblocks_list_free(bb4); return test_fail; }