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Side by Side Diff: tests/corelib/string_replace_test.dart

Issue 2771453003: Format all tests. (Closed)
Patch Set: Format files Created 3 years, 8 months ago
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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
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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