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 29 static void 30 test_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 46 static void 47 test_empty_file2_check(struct archive* a) 48 { 49 struct archive_entry* e; 50 assertEqualInt(0, archive_errno(a)); 51 assertEqualString(NULL, archive_error_string(a)); 52 53 assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "emptyfile", 0)); 54 assertEqualInt(0, archive_errno(a)); 55 assertEqualString(NULL, archive_error_string(a)); 56 57 assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e)); 58 assertEqualInt(0, archive_errno(a)); 59 assertEqualString(NULL, archive_error_string(a)); 60 61 archive_read_free(a); 62 } 63 64 static void 65 test_empty_file2(void) 66 { 67 struct archive* a = archive_read_new(); 68 69 /* Try opening an empty file with raw and empty handlers. */ 70 assertEqualInt(ARCHIVE_OK, archive_read_support_format_raw(a)); 71 assertEqualInt(ARCHIVE_OK, archive_read_support_format_empty(a)); 72 test_empty_file2_check(a); 73 74 a = archive_read_new(); 75 assertEqualInt(ARCHIVE_OK, archive_read_support_format_by_code(a, ARCHIVE_FORMAT_EMPTY)); 76 test_empty_file2_check(a); 77 78 a = archive_read_new(); 79 assertEqualInt(ARCHIVE_OK, archive_read_set_format(a, ARCHIVE_FORMAT_EMPTY)); 80 test_empty_file2_check(a); 81 } 82 83 static void 84 test_empty_tarfile(void) 85 { 86 struct archive* a = archive_read_new(); 87 struct archive_entry* e; 88 89 /* Try opening an empty file with raw and empty handlers. */ 90 assertEqualInt(ARCHIVE_OK, archive_read_support_format_tar(a)); 91 assertEqualInt(0, archive_errno(a)); 92 assertEqualString(NULL, archive_error_string(a)); 93 94 assertEqualInt(ARCHIVE_OK, archive_read_open_filename(a, "empty.tar", 0)); 95 assertEqualInt(0, archive_errno(a)); 96 assertEqualString(NULL, archive_error_string(a)); 97 98 assertEqualInt(ARCHIVE_EOF, archive_read_next_header(a, &e)); 99 assertEqualInt(0, archive_errno(a)); 100 assertEqualString(NULL, archive_error_string(a)); 101 102 archive_read_free(a); 103 } 104 105 /* 512 zero bytes. */ 106 static char nulls[512]; 107 108 DEFINE_TEST(test_archive_read_next_header_empty) 109 { 110 FILE *f; 111 112 /* Create an empty file. */ 113 f = fopen("emptyfile", "wb"); 114 fclose(f); 115 116 /* Create a file with 512 zero bytes. */ 117 f = fopen("empty.tar", "wb"); 118 assertEqualInt(512, fwrite(nulls, 1, 512, f)); 119 fclose(f); 120 121 test_empty_file1(); 122 test_empty_file2(); 123 test_empty_tarfile(); 124 125 } 126