1/*- 2 * Copyright (c) 2003-2011 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "test.h" 27__FBSDID("$FreeBSD$"); 28 29static void 30test_empty_file1(void) 31{ 32 struct archive* a = archive_read_new(); 33 34 /* Try opening an empty file with the raw handler. */ 35 assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a)); 36 assertEqualInt(0, archive_errno(a)); 37 assertEqualString(NULL, archive_error_string(a)); 38 39 /* Raw handler doesn't support empty files. */ 40 assertEqualInt(ARCHIVE_FATAL, archive_read_open_filename(a, "emptyfile", 0)); 41 assert(NULL != archive_error_string(a)); 42 43 archive_read_free(a); 44} 45 46static void 47test_empty_file2(void) 48{ 49 struct archive* a = archive_read_new(); 50 struct archive_entry* e; 51 52 /* Try opening an empty file with raw and empty handlers. */ 53 assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a)); 54 assertEqualInt(ARCHIVE_OK, archive_read_support_format_empty(a)); 55 assertEqualInt(0, archive_errno(a)); 56 assertEqualString(NULL, archive_error_string(a)); 57 58 assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "emptyfile", 0)); 59 assertEqualInt(0, archive_errno(a)); 60 assertEqualString(NULL, archive_error_string(a)); 61 62 assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e)); 63 assertEqualInt(0, archive_errno(a)); 64 assertEqualString(NULL, archive_error_string(a)); 65 66 archive_read_free(a); 67} 68 69static void 70test_empty_tarfile(void) 71{ 72 struct archive* a = archive_read_new(); 73 struct archive_entry* e; 74 75 /* Try opening an empty file with raw and empty handlers. */ 76 assertEqualInt(ARCHIVE_OK, archive_read_support_format_tar(a)); 77 assertEqualInt(0, archive_errno(a)); 78 assertEqualString(NULL, archive_error_string(a)); 79 80 assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "empty.tar", 0)); 81 assertEqualInt(0, archive_errno(a)); 82 assertEqualString(NULL, archive_error_string(a)); 83 84 assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e)); 85 assertEqualInt(0, archive_errno(a)); 86 assertEqualString(NULL, archive_error_string(a)); 87 88 archive_read_free(a); 89} 90 91/* 512 zero bytes. */ 92static char nulls[512]; 93 94DEFINE_TEST(test_archive_read_next_header_empty) 95{ 96 FILE *f; 97 98 /* Create an empty file. */ 99 f = fopen("emptyfile", "wb"); 100 fclose(f); 101 102 /* Create a file with 512 zero bytes. */ 103 f = fopen("empty.tar", "wb"); 104 assertEqualInt(512, fwrite(nulls, 1, 512, f)); 105 fclose(f); 106 107 test_empty_file1(); 108 test_empty_file2(); 109 test_empty_tarfile(); 110 111} 112