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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import "package:expect/expect.dart"; | 5 import "package:expect/expect.dart"; |
6 | 6 |
7 main() { | 7 main() { |
8 // Test replaceFirst. | 8 // Test replaceFirst. |
9 Expect.equals( | 9 Expect.equals("AtoBtoCDtoE", "AfromBtoCDtoE".replaceFirst("from", "to")); |
10 "AtoBtoCDtoE", "AfromBtoCDtoE".replaceFirst("from", "to")); | |
11 | 10 |
12 // Test with the replaced string at the begining. | 11 // Test with the replaced string at the begining. |
13 Expect.equals( | 12 Expect.equals("toABtoCDtoE", "fromABtoCDtoE".replaceFirst("from", "to")); |
14 "toABtoCDtoE", "fromABtoCDtoE".replaceFirst("from", "to")); | |
15 | 13 |
16 // Test with the replaced string at the end. | 14 // Test with the replaced string at the end. |
17 Expect.equals( | 15 Expect.equals("toABtoCDtoEto", "fromABtoCDtoEto".replaceFirst("from", "to")); |
18 "toABtoCDtoEto", "fromABtoCDtoEto".replaceFirst("from", "to")); | |
19 | 16 |
20 // Test when there are no occurence of the string to replace. | 17 // Test when there are no occurence of the string to replace. |
21 Expect.equals("ABC", "ABC".replaceFirst("from", "to")); | 18 Expect.equals("ABC", "ABC".replaceFirst("from", "to")); |
22 | 19 |
23 // Test when the string to change is the empty string. | 20 // Test when the string to change is the empty string. |
24 Expect.equals("", "".replaceFirst("from", "to")); | 21 Expect.equals("", "".replaceFirst("from", "to")); |
25 | 22 |
26 // Test when the string to change is a substring of the string to | 23 // Test when the string to change is a substring of the string to |
27 // replace. | 24 // replace. |
28 Expect.equals("fro", "fro".replaceFirst("from", "to")); | 25 Expect.equals("fro", "fro".replaceFirst("from", "to")); |
(...skipping 20 matching lines...) Expand all Loading... |
49 | 46 |
50 // Test startIndex skipping one case at the begining. | 47 // Test startIndex skipping one case at the begining. |
51 Expect.equals( | 48 Expect.equals( |
52 "foo-bar-AAA-bar", "foo-bar-foo-bar".replaceFirst("foo", "AAA", 1)); | 49 "foo-bar-AAA-bar", "foo-bar-foo-bar".replaceFirst("foo", "AAA", 1)); |
53 | 50 |
54 // Test startIndex skipping one case at the begining. | 51 // Test startIndex skipping one case at the begining. |
55 Expect.equals( | 52 Expect.equals( |
56 "foo-bar-foo-AAA", "foo-bar-foo-bar".replaceFirst("bar", "AAA", 5)); | 53 "foo-bar-foo-AAA", "foo-bar-foo-bar".replaceFirst("bar", "AAA", 5)); |
57 | 54 |
58 // Test startIndex replacing with the empty string. | 55 // Test startIndex replacing with the empty string. |
59 Expect.equals( | 56 Expect.equals("foo-bar--bar", "foo-bar-foo-bar".replaceFirst("foo", "", 1)); |
60 "foo-bar--bar", "foo-bar-foo-bar".replaceFirst("foo", "", 1)); | |
61 | 57 |
62 // Test startIndex with a RegExp with carat | 58 // Test startIndex with a RegExp with carat |
63 Expect.equals( | 59 Expect.equals("foo-bar-foo-bar", |
64 "foo-bar-foo-bar", | |
65 "foo-bar-foo-bar".replaceFirst(new RegExp(r"^foo"), "", 8)); | 60 "foo-bar-foo-bar".replaceFirst(new RegExp(r"^foo"), "", 8)); |
66 | 61 |
67 // Test startIndex with a RegExp | 62 // Test startIndex with a RegExp |
68 Expect.equals( | 63 Expect.equals( |
69 "aaa{3}X{3}", "aaa{3}aaa{3}".replaceFirst(new RegExp(r"a{3}"), "X", 1)); | 64 "aaa{3}X{3}", "aaa{3}aaa{3}".replaceFirst(new RegExp(r"a{3}"), "X", 1)); |
70 | 65 |
71 // Test startIndex with regexp-looking String | 66 // Test startIndex with regexp-looking String |
72 Expect.equals( | 67 Expect.equals("aaa{3}aaX", "aaa{3}aaa{3}".replaceFirst("a{3}", "X", 3)); |
73 "aaa{3}aaX", "aaa{3}aaa{3}".replaceFirst("a{3}", "X", 3)); | |
74 | 68 |
75 // Test negative startIndex | 69 // Test negative startIndex |
76 Expect.throws( | 70 Expect.throws( |
77 () => "hello".replaceFirst("h", "X", -1), (e) => e is RangeError); | 71 () => "hello".replaceFirst("h", "X", -1), (e) => e is RangeError); |
78 | 72 |
79 // Test startIndex too large | 73 // Test startIndex too large |
80 Expect.throws( | 74 Expect.throws( |
81 () => "hello".replaceFirst("h", "X", 6), (e) => e is RangeError); | 75 () => "hello".replaceFirst("h", "X", 6), (e) => e is RangeError); |
82 | 76 |
83 // Test null startIndex | 77 // Test null startIndex |
84 Expect.throws( | 78 Expect.throws( |
85 () => "hello".replaceFirst("h", "X", null), (e) => e is ArgumentError); | 79 () => "hello".replaceFirst("h", "X", null), (e) => e is ArgumentError); |
86 | 80 |
87 // Test object startIndex | 81 // Test object startIndex |
88 Expect.throws( | 82 Expect.throws(() => "hello".replaceFirst("h", "X", new Object())); |
89 () => "hello".replaceFirst("h", "X", new Object())); | |
90 | |
91 | 83 |
92 // Test replaceFirstMapped. | 84 // Test replaceFirstMapped. |
93 | 85 |
94 Expect.equals( | 86 Expect.equals( |
95 "AtoBtoCDtoE", "AfromBtoCDtoE".replaceFirstMapped("from", (_) => "to")); | 87 "AtoBtoCDtoE", "AfromBtoCDtoE".replaceFirstMapped("from", (_) => "to")); |
96 | 88 |
97 // Test with the replaced string at the begining. | 89 // Test with the replaced string at the begining. |
98 Expect.equals( | 90 Expect.equals( |
99 "toABtoCDtoE", "fromABtoCDtoE".replaceFirstMapped("from", (_) => "to")); | 91 "toABtoCDtoE", "fromABtoCDtoE".replaceFirstMapped("from", (_) => "to")); |
100 | 92 |
101 // Test with the replaced string at the end. | 93 // Test with the replaced string at the end. |
102 Expect.equals( | 94 Expect.equals("toABtoCDtoEto", |
103 "toABtoCDtoEto", | |
104 "fromABtoCDtoEto".replaceFirstMapped("from", (_) => "to")); | 95 "fromABtoCDtoEto".replaceFirstMapped("from", (_) => "to")); |
105 | 96 |
106 // Test when there are no occurence of the string to replace. | 97 // Test when there are no occurence of the string to replace. |
107 Expect.equals("ABC", "ABC".replaceFirstMapped("from", (_) => "to")); | 98 Expect.equals("ABC", "ABC".replaceFirstMapped("from", (_) => "to")); |
108 | 99 |
109 // Test when the string to change is the empty string. | 100 // Test when the string to change is the empty string. |
110 Expect.equals("", "".replaceFirstMapped("from", (_) => "to")); | 101 Expect.equals("", "".replaceFirstMapped("from", (_) => "to")); |
111 | 102 |
112 // Test when the string to change is a substring of the string to | 103 // Test when the string to change is a substring of the string to |
113 // replace. | 104 // replace. |
114 Expect.equals("fro", "fro".replaceFirstMapped("from", (_) => "to")); | 105 Expect.equals("fro", "fro".replaceFirstMapped("from", (_) => "to")); |
115 | 106 |
116 // Test when the string to change is the replaced string. | 107 // Test when the string to change is the replaced string. |
117 Expect.equals("to", "from".replaceFirstMapped("from", (_) => "to")); | 108 Expect.equals("to", "from".replaceFirstMapped("from", (_) => "to")); |
118 | 109 |
119 // Test when the string to change is the replacement string. | 110 // Test when the string to change is the replacement string. |
120 Expect.equals("to", "to".replaceFirstMapped("from", (_) => "to")); | 111 Expect.equals("to", "to".replaceFirstMapped("from", (_) => "to")); |
121 | 112 |
122 // Test replacing by the empty string. | 113 // Test replacing by the empty string. |
123 Expect.equals("", "from".replaceFirstMapped("from", (_) => "")); | 114 Expect.equals("", "from".replaceFirstMapped("from", (_) => "")); |
124 Expect.equals("AB", "AfromB".replaceFirstMapped("from", (_) => "")); | 115 Expect.equals("AB", "AfromB".replaceFirstMapped("from", (_) => "")); |
125 | 116 |
126 // Test changing the empty string. | 117 // Test changing the empty string. |
127 Expect.equals("to", "".replaceFirstMapped("", (_) => "to")); | 118 Expect.equals("to", "".replaceFirstMapped("", (_) => "to")); |
128 | 119 |
129 // Test replacing the empty string. | 120 // Test replacing the empty string. |
130 Expect.equals("toAtoBtoCto", "AtoBtoCto".replaceFirstMapped("", (_) => "to")); | 121 Expect.equals("toAtoBtoCto", "AtoBtoCto".replaceFirstMapped("", (_) => "to")); |
131 | 122 |
132 // Test startIndex. | 123 // Test startIndex. |
133 Expect.equals( | 124 Expect.equals("foo-AAA-foo-bar", |
134 "foo-AAA-foo-bar", | |
135 "foo-bar-foo-bar".replaceFirstMapped("bar", (_) => "AAA", 4)); | 125 "foo-bar-foo-bar".replaceFirstMapped("bar", (_) => "AAA", 4)); |
136 | 126 |
137 // Test startIndex skipping one case at the begining. | 127 // Test startIndex skipping one case at the begining. |
138 Expect.equals( | 128 Expect.equals("foo-bar-AAA-bar", |
139 "foo-bar-AAA-bar", | |
140 "foo-bar-foo-bar".replaceFirstMapped("foo", (_) => "AAA", 1)); | 129 "foo-bar-foo-bar".replaceFirstMapped("foo", (_) => "AAA", 1)); |
141 | 130 |
142 // Test startIndex skipping one case at the begining. | 131 // Test startIndex skipping one case at the begining. |
143 Expect.equals( | 132 Expect.equals("foo-bar-foo-AAA", |
144 "foo-bar-foo-AAA", | |
145 "foo-bar-foo-bar".replaceFirstMapped("bar", (_) => "AAA", 5)); | 133 "foo-bar-foo-bar".replaceFirstMapped("bar", (_) => "AAA", 5)); |
146 | 134 |
147 // Test startIndex replacing with the empty string. | 135 // Test startIndex replacing with the empty string. |
148 Expect.equals( | 136 Expect.equals("foo-bar--bar", |
149 "foo-bar--bar", "foo-bar-foo-bar".replaceFirstMapped("foo", (_) => "", 1))
; | 137 "foo-bar-foo-bar".replaceFirstMapped("foo", (_) => "", 1)); |
150 | 138 |
151 // Test startIndex with a RegExp with carat | 139 // Test startIndex with a RegExp with carat |
152 Expect.equals( | 140 Expect.equals("foo-bar-foo-bar", |
153 "foo-bar-foo-bar", | |
154 "foo-bar-foo-bar".replaceFirstMapped(new RegExp(r"^foo"), (_) => "", 8)); | 141 "foo-bar-foo-bar".replaceFirstMapped(new RegExp(r"^foo"), (_) => "", 8)); |
155 | 142 |
156 // Test startIndex with a RegExp | 143 // Test startIndex with a RegExp |
157 Expect.equals( | 144 Expect.equals("aaa{3}X{3}", |
158 "aaa{3}X{3}", | |
159 "aaa{3}aaa{3}".replaceFirstMapped(new RegExp(r"a{3}"), (_) => "X", 1)); | 145 "aaa{3}aaa{3}".replaceFirstMapped(new RegExp(r"a{3}"), (_) => "X", 1)); |
160 | 146 |
161 // Test startIndex with regexp-looking String | 147 // Test startIndex with regexp-looking String |
162 Expect.equals( | 148 Expect.equals( |
163 "aaa{3}aaX", "aaa{3}aaa{3}".replaceFirstMapped("a{3}", (_) => "X", 3)); | 149 "aaa{3}aaX", "aaa{3}aaa{3}".replaceFirstMapped("a{3}", (_) => "X", 3)); |
164 | 150 |
165 // Test negative startIndex | 151 // Test negative startIndex |
166 Expect.throws( | 152 Expect.throws(() => "hello".replaceFirstMapped("h", (_) => "X", -1), |
167 () => "hello".replaceFirstMapped("h", (_) => "X", -1), | |
168 (e) => e is RangeError); | 153 (e) => e is RangeError); |
169 | 154 |
170 // Test startIndex too large | 155 // Test startIndex too large |
171 Expect.throws( | 156 Expect.throws(() => "hello".replaceFirstMapped("h", (_) => "X", 6), |
172 () => "hello".replaceFirstMapped("h", (_) => "X", 6), | |
173 (e) => e is RangeError); | 157 (e) => e is RangeError); |
174 | 158 |
175 // Test null startIndex | 159 // Test null startIndex |
176 Expect.throws( | 160 Expect.throws(() => "hello".replaceFirstMapped("h", (_) => "X", null), |
177 () => "hello".replaceFirstMapped("h", (_) => "X", null), | |
178 (e) => e is ArgumentError); | 161 (e) => e is ArgumentError); |
179 | 162 |
180 // Test object startIndex | 163 // Test object startIndex |
181 Expect.throws( | 164 Expect |
182 () => "hello".replaceFirstMapped("h", (_) => "X", new Object())); | 165 .throws(() => "hello".replaceFirstMapped("h", (_) => "X", new Object())); |
183 | 166 |
184 // Test replacement depending on argument. | 167 // Test replacement depending on argument. |
185 Expect.equals( | 168 Expect.equals("foo-BAR-foo-bar", |
186 "foo-BAR-foo-bar", | |
187 "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => v[0].toUpperCase())); | 169 "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => v[0].toUpperCase())); |
188 | 170 |
189 Expect.equals( | 171 Expect.equals("foo-[bar]-foo-bar", |
190 "foo-[bar]-foo-bar", | |
191 "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => "[${v[0]}]")); | 172 "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => "[${v[0]}]")); |
192 | 173 |
193 Expect.equals("foo-foo-bar-foo-bar-foo-bar", | 174 Expect.equals("foo-foo-bar-foo-bar-foo-bar", |
194 "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => v.input)); | 175 "foo-bar-foo-bar".replaceFirstMapped("bar", (v) => v.input)); |
195 | 176 |
196 // Test replacement throwing. | 177 // Test replacement throwing. |
197 Expect.throws( | 178 Expect.throws(() => "foo-bar".replaceFirstMapped("bar", (v) => throw 42), |
198 () => "foo-bar".replaceFirstMapped("bar", (v) => throw 42), | 179 (e) => e == 42); |
199 (e) => e == 42); | |
200 | 180 |
201 // Test replacement returning non-String. | 181 // Test replacement returning non-String. |
202 var o = new Object(); | 182 var o = new Object(); |
203 Expect.equals("foo-$o", "foo-bar".replaceFirstMapped("bar", | 183 Expect.equals( |
204 (v) { return o; })); | 184 "foo-$o", |
| 185 "foo-bar".replaceFirstMapped("bar", (v) { |
| 186 return o; |
| 187 })); |
205 | 188 |
206 Expect.equals("foo-42", "foo-bar".replaceFirstMapped("bar", | 189 Expect.equals( |
207 (v) { return 42; })); | 190 "foo-42", |
| 191 "foo-bar".replaceFirstMapped("bar", (v) { |
| 192 return 42; |
| 193 })); |
208 | 194 |
209 // Test replacement returning object throwing on string-conversion. | 195 // Test replacement returning object throwing on string-conversion. |
210 var n = new Naughty(); | 196 var n = new Naughty(); |
211 Expect.throws( | 197 Expect.throws(() => "foo-bar".replaceFirstMapped("bar", (v) { |
212 () => "foo-bar".replaceFirstMapped("bar", (v) { return n; })); | 198 return n; |
| 199 })); |
213 | 200 |
214 for (var string in ["", "x", "foo", "x\u2000z"]) { | 201 for (var string in ["", "x", "foo", "x\u2000z"]) { |
215 for (var replacement in ["", "foo", string]) { | 202 for (var replacement in ["", "foo", string]) { |
216 for (int start = 0; start <= string.length; start++) { | 203 for (int start = 0; start <= string.length; start++) { |
217 var expect; | 204 var expect; |
218 for (int end = start; end <= string.length; end++) { | 205 for (int end = start; end <= string.length; end++) { |
219 expect = string.substring(0, start) + | 206 expect = |
220 replacement + | 207 string.substring(0, start) + replacement + string.substring(end); |
221 string.substring(end); | |
222 Expect.equals(expect, string.replaceRange(start, end, replacement), | 208 Expect.equals(expect, string.replaceRange(start, end, replacement), |
223 '"$string"[$start:$end]="$replacement"'); | 209 '"$string"[$start:$end]="$replacement"'); |
224 } | 210 } |
225 // Reuse expect from "end == string.length" case when omitting end. | 211 // Reuse expect from "end == string.length" case when omitting end. |
226 Expect.equals(expect, string.replaceRange(start, null, replacement), | 212 Expect.equals(expect, string.replaceRange(start, null, replacement), |
227 '"$string"[$start:]="$replacement"'); | 213 '"$string"[$start:]="$replacement"'); |
228 } | 214 } |
229 } | 215 } |
230 Expect.throws(() => string.replaceRange(0, 0, null)); | 216 Expect.throws(() => string.replaceRange(0, 0, null)); |
231 Expect.throws(() => string.replaceRange(0, 0, 42)); | 217 Expect.throws(() => string.replaceRange(0, 0, 42)); |
232 Expect.throws(() => string.replaceRange(0, 0, ["x"])); | 218 Expect.throws(() => string.replaceRange(0, 0, ["x"])); |
233 Expect.throws(() => string.replaceRange(-1, 0, "x")); | 219 Expect.throws(() => string.replaceRange(-1, 0, "x")); |
234 Expect.throws(() => string.replaceRange(0, string.length + 1, "x")); | 220 Expect.throws(() => string.replaceRange(0, string.length + 1, "x")); |
235 } | 221 } |
236 } | 222 } |
237 | 223 |
238 // Fails to return a String on toString, throws if converted by "$naughty". | 224 // Fails to return a String on toString, throws if converted by "$naughty". |
239 class Naughty { | 225 class Naughty { |
240 toString() => this; | 226 toString() => this; |
241 } | 227 } |
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