1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <gtest/gtest.h> 18 19 #include <ctype.h> 20 21 TEST(ctype, isalnum) { 22 EXPECT_TRUE(isalnum('1')); 23 EXPECT_TRUE(isalnum('a')); 24 EXPECT_TRUE(isalnum('A')); 25 EXPECT_FALSE(isalnum('!')); 26 EXPECT_FALSE(isalnum(' ')); 27 } 28 29 TEST(ctype, isalpha) { 30 EXPECT_FALSE(isalpha('1')); 31 EXPECT_TRUE(isalpha('a')); 32 EXPECT_TRUE(isalpha('A')); 33 EXPECT_FALSE(isalpha('!')); 34 EXPECT_FALSE(isalpha(' ')); 35 } 36 37 TEST(ctype, isascii) { 38 EXPECT_TRUE(isascii('\x7f')); 39 EXPECT_FALSE(isascii('\x80')); 40 } 41 42 TEST(ctype, isblank) { 43 EXPECT_FALSE(isblank('1')); 44 EXPECT_TRUE(isblank(' ')); 45 EXPECT_TRUE(isblank('\t')); 46 } 47 48 TEST(ctype, iscntrl) { 49 EXPECT_FALSE(iscntrl('1')); 50 EXPECT_TRUE(iscntrl('\b')); 51 } 52 53 TEST(ctype, isdigit) { 54 EXPECT_TRUE(isdigit('1')); 55 EXPECT_FALSE(isdigit('a')); 56 EXPECT_FALSE(isdigit('x')); 57 } 58 59 TEST(ctype, isgraph) { 60 EXPECT_TRUE(isgraph('a')); 61 EXPECT_TRUE(isgraph('A')); 62 EXPECT_TRUE(isgraph('1')); 63 EXPECT_TRUE(isgraph('!')); 64 EXPECT_FALSE(isgraph(' ')); 65 } 66 67 TEST(ctype, islower) { 68 EXPECT_TRUE(islower('a')); 69 EXPECT_FALSE(islower('A')); 70 EXPECT_FALSE(islower('!')); 71 } 72 73 TEST(ctype, isprint) { 74 EXPECT_TRUE(isprint('a')); 75 EXPECT_TRUE(isprint(' ')); 76 EXPECT_FALSE(isprint('\b')); 77 } 78 79 TEST(ctype, ispunct) { 80 EXPECT_TRUE(ispunct('!')); 81 EXPECT_FALSE(ispunct('a')); 82 EXPECT_FALSE(ispunct(' ')); 83 EXPECT_FALSE(ispunct('\b')); 84 } 85 86 TEST(ctype, isspace) { 87 EXPECT_TRUE(isspace(' ')); 88 EXPECT_TRUE(isspace('\f')); 89 EXPECT_TRUE(isspace('\n')); 90 EXPECT_TRUE(isspace('\r')); 91 EXPECT_TRUE(isspace('\t')); 92 EXPECT_TRUE(isspace('\v')); 93 EXPECT_FALSE(isspace('a')); 94 EXPECT_FALSE(isspace('!')); 95 } 96 97 TEST(ctype, isupper) { 98 EXPECT_TRUE(isupper('A')); 99 EXPECT_FALSE(isupper('a')); 100 EXPECT_FALSE(isupper('!')); 101 } 102 103 TEST(ctype, isxdigit) { 104 EXPECT_TRUE(isxdigit('0')); 105 EXPECT_FALSE(isxdigit('x')); 106 EXPECT_TRUE(isxdigit('1')); 107 EXPECT_TRUE(isxdigit('a')); 108 EXPECT_TRUE(isxdigit('A')); 109 EXPECT_FALSE(isxdigit('g')); 110 EXPECT_FALSE(isxdigit(' ')); 111 } 112 113 TEST(ctype, toascii) { 114 EXPECT_EQ('a', toascii('a')); 115 EXPECT_EQ('a', toascii(0x80 | 'a')); 116 } 117 118 TEST(ctype, tolower) { 119 EXPECT_EQ('!', tolower('!')); 120 EXPECT_EQ('a', tolower('a')); 121 EXPECT_EQ('a', tolower('A')); 122 } 123 124 TEST(ctype, _tolower) { 125 // _tolower may mangle characters for which isupper is false. 126 EXPECT_EQ('a', _tolower('A')); 127 } 128 129 TEST(ctype, toupper) { 130 EXPECT_EQ('!', toupper('!')); 131 EXPECT_EQ('A', toupper('a')); 132 EXPECT_EQ('A', toupper('A')); 133 } 134 135 TEST(ctype, _toupper) { 136 // _toupper may mangle characters for which islower is false. 137 EXPECT_EQ('A', _toupper('a')); 138 } 139
