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Side by Side Diff: pkg/i18n/test/bidi_format_test.dart

Issue 10829442: Rename i18n to intl (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 4 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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.
4
5
6 #library('bidi_format_test');
7
8 #import('../intl.dart');
9 #import('../../../pkg/unittest/unittest.dart');
10
11 /**
12 * Tests the bidirectional text formatting library.
13 */
14 main() {
15 var LTR = TextDirection.LTR;
16 var RTL = TextDirection.RTL;
17 var UNKNOWN = TextDirection.UNKNOWN;
18 var he = '\u05e0\u05e1';
19 var en = 'abba';
20 var html = '<';
21 var longEn = 'abba sabba gabba ';
22 var longHe = '\u05e0 \u05e1 \u05e0 ';
23 var ltrFmt = new BidiFormatter.LTR(); // LTR context
24 var rtlFmt = new BidiFormatter.RTL(); // RTL context
25 var unkFmt = new BidiFormatter.UNKNOWN(); // unknown context
26
27 test('estimateDirection', () {
28 expect(ltrFmt.estimateDirection(''), equals(UNKNOWN));
29 expect(rtlFmt.estimateDirection(''), equals(UNKNOWN));
30 expect(unkFmt.estimateDirection(''), equals(UNKNOWN));
31 expect(ltrFmt.estimateDirection(en), equals(LTR));
32 expect(rtlFmt.estimateDirection(en), equals(LTR));
33 expect(unkFmt.estimateDirection(en), equals(LTR));
34 expect(ltrFmt.estimateDirection(he), equals(RTL));
35 expect(rtlFmt.estimateDirection(he), equals(RTL));
36 expect(unkFmt.estimateDirection(he), equals(RTL));
37
38 // Text contains HTML or HTML-escaping.
39 expect(ltrFmt.estimateDirection(
40 '<some sort of tag/>$he &amp;', false), equals(LTR));
41 expect(ltrFmt.estimateDirection(
42 '<some sort of tag/>$he &amp;', true), equals(RTL));
43 });
44
45 test('wrapWithSpan', () {
46 // Test overall dir matches context dir (LTR), no dirReset.
47 expect(ltrFmt.wrapWithSpan(en, true, false), equals(en));
48 // Test overall dir matches context dir (LTR), dirReset.
49 expect(ltrFmt.wrapWithSpan(en, true, true), equals(en));
50 // Test overall dir matches context dir (RTL), no dirReset'.
51 expect(rtlFmt.wrapWithSpan(he, true, false), equals(he));
52 // Test overall dir matches context dir (RTL), dirReset.
53 expect(rtlFmt.wrapWithSpan(he, true, true), equals(he));
54 // Test overall dir (RTL) doesn't match context dir (LTR), no dirReset.
55 expect(ltrFmt.wrapWithSpan(he, true, false),
56 equals('<span dir=rtl>$he</span>'));
57 // Test overall dir (RTL) doesn't match context dir (LTR), dirReset.
58 expect(ltrFmt.wrapWithSpan(he, true, true),
59 equals('<span dir=rtl>$he</span>$LRM'));
60 // Test overall dir (LTR) doesn't match context dir (RTL), no dirReset.
61 expect(rtlFmt.wrapWithSpan(en, true, false),
62 equals('<span dir=ltr>$en</span>'));
63 // Test overall dir (LTR) doesn't match context dir (RTL), dirReset.
64 expect(rtlFmt.wrapWithSpan(en, true, true),
65 equals('<span dir=ltr>$en</span>$RLM'));
66 // Test overall dir (LTR) doesn't match context dir (unknown), no dirReset.
67 expect(unkFmt.wrapWithSpan(en, true, false),
68 equals('<span dir=ltr>$en</span>'));
69 // Test overall dir (RTL) doesn't match context dir (unknown), dirReset.
70 expect(unkFmt.wrapWithSpan(he, true, true),
71 equals('<span dir=rtl>$he</span>'));
72 // Test overall dir (neutral) doesn't match context dir (LTR), dirReset.
73 expect(ltrFmt.wrapWithSpan('', true, true), equals(''));
74
75 // Test exit dir (but not overall dir) is opposite to context dir, dirReset.
76 expect(ltrFmt.wrapWithSpan('$longEn$he$html', true, true),
77 equals('$longEn$he$html$LRM'));
78 // Test overall dir (but not exit dir) is opposite to context dir, dirReset.
79 expect(rtlFmt.wrapWithSpan('$longEn$he', true, true),
80 equals('<span dir=ltr>$longEn$he</span>$RLM'));
81
82 // Test input is plain text (not escaped).
83 expect(ltrFmt.wrapWithSpan('<br>$en', false, false),
84 equals('&lt;br&gt;$en'));
85
86 var ltrAlwaysSpanFmt = new BidiFormatter.LTR(true);
87 var rtlAlwaysSpanFmt = new BidiFormatter.RTL(true);
88 var unkAlwaysSpanFmt = new BidiFormatter.UNKNOWN(true);
89
90 // Test alwaysSpan, overall dir matches context dir (LTR), no dirReset.
91 expect(ltrAlwaysSpanFmt.wrapWithSpan(en, true, false),
92 equals('<span>$en</span>'));
93 // Test alwaysSpan, overall dir matches context dir (LTR), dirReset.
94 expect(ltrAlwaysSpanFmt.wrapWithSpan(en, true, true),
95 equals('<span>$en</span>'));
96 // Test alwaysSpan, overall dir matches context dir (RTL), no dirReset.
97 expect(rtlAlwaysSpanFmt.wrapWithSpan(he, true, false),
98 equals('<span>$he</span>'));
99 // Test alwaysSpan, overall dir matches context dir (RTL), dirReset.
100 expect(rtlAlwaysSpanFmt.wrapWithSpan(he, true, true),
101 equals('<span>$he</span>'));
102
103 // Test alwaysSpan, overall dir (RTL) doesn't match context dir (LTR),
104 // no dirReset.
105 expect(ltrAlwaysSpanFmt.wrapWithSpan(he, true, false),
106 equals('<span dir=rtl>$he</span>'));
107 // Test alwaysSpan, overall dir (RTL) doesn't match context dir (LTR),
108 // dirReset.
109 expect(ltrAlwaysSpanFmt.wrapWithSpan(he, true, true),
110 equals('<span dir=rtl>$he</span>$LRM'));
111 // Test alwaysSpan, overall dir (neutral) doesn't match context dir (LTR),
112 // dirReset
113 expect(ltrAlwaysSpanFmt.wrapWithSpan('', true, true),
114 equals('<span></span>'));
115
116 // Test overall dir matches context dir (LTR.
117 expect(ltrFmt.wrapWithSpan(en, direction : TextDirection.LTR), equals(en));
118 // Test overall dir (but not exit dir) supposedly matches context dir (LTR).
119 expect(ltrFmt.wrapWithSpan(he, direction : TextDirection.LTR),
120 equals('$he$LRM'));
121 // Test overall dir matches context dir (RTL.
122 expect(rtlFmt.wrapWithSpan(he, direction : TextDirection.RTL), equals(he));
123 // Test overall dir (but not exit dir) supposedly matches context dir (RTL).
124 expect(rtlFmt.wrapWithSpan(en, direction : TextDirection.RTL),
125 equals('$en$RLM'));
126
127 // Test overall dir (RTL) doesn't match context dir (LTR).
128 expect(ltrFmt.wrapWithSpan(he, direction : TextDirection.RTL),
129 equals('<span dir=rtl>$he</span>$LRM'));
130 // Test supposed overall dir (RTL) doesn't match context dir (LTR).
131 expect(ltrFmt.wrapWithSpan(en, direction : TextDirection.RTL),
132 equals('<span dir=rtl>$en</span>$LRM'));
133 // Test overall dir (LTR) doesn't match context dir (RTL).
134 expect(rtlFmt.wrapWithSpan(en, direction : TextDirection.LTR),
135 equals('<span dir=ltr>$en</span>$RLM'));
136 // Test supposed overall dir (LTR) doesn't match context dir (RTL).
137 expect(rtlFmt.wrapWithSpan(he, direction : TextDirection.LTR),
138 equals('<span dir=ltr>$he</span>$RLM'));
139 // Test supposed overall dir (LTR) doesn't match context dir (unknown).
140 expect(unkFmt.wrapWithSpan(he, direction : TextDirection.LTR),
141 equals('<span dir=ltr>$he</span>'));
142 // Test supposed overall dir (neutral) doesn't match context dir (LTR).
143 expect(ltrFmt.wrapWithSpan(he, direction : TextDirection.UNKNOWN),
144 equals('$he$LRM'));
145 });
146
147 test('wrapWithUnicode', () {
148 // Test overall dir matches context dir (LTR), no dirReset.
149 expect(ltrFmt.wrapWithUnicode(en, true, false), equals(en));
150 // Test overall dir matches context dir (LTR), dirReset.
151 expect(ltrFmt.wrapWithUnicode(en, true, true), equals(en));
152 // Test overall dir matches context dir (RTL), no dirReset.
153 expect(rtlFmt.wrapWithUnicode(he, true, false), equals(he));
154 // Test overall dir matches context dir (RTL), dirReset.
155 expect(rtlFmt.wrapWithUnicode(he, true, true), equals(he));
156
157 // Test overall dir (RTL) doesn't match context dir (LTR), no dirReset.
158 expect(ltrFmt.wrapWithUnicode(he, true, false), equals('$RLE$he$PDF'));
159 // Test overall dir (RTL) doesn't match context dir (LTR), dirReset.
160 expect(ltrFmt.wrapWithUnicode(he, true, true), equals('$RLE$he$PDF$LRM'));
161 // Test overall dir (LTR) doesn't match context dir (RTL), no dirReset.
162 expect(rtlFmt.wrapWithUnicode(en, true, false), equals('$LRE$en$PDF'));
163 // Test overall dir (LTR) doesn't match context dir (RTL), dirReset.
164 expect(rtlFmt.wrapWithUnicode(en, true, true), equals('$LRE$en$PDF$RLM'));
165 // Test overall dir (LTR) doesn't match context dir (unknown), no dirReset.
166 expect(unkFmt.wrapWithUnicode(en, true, false), equals('$LRE$en$PDF'));
167 // Test overall dir (RTL) doesn't match context dir (unknown), dirReset.
168 expect(unkFmt.wrapWithUnicode(he, true, true), equals('$RLE$he$PDF'));
169 // Test overall dir (neutral) doesn't match context dir (LTR), dirReset.
170 expect(ltrFmt.wrapWithUnicode('', true, true), equals(''));
171
172 // Test exit dir (but not overall dir) is opposite to context dir, dirReset.
173 expect(ltrFmt.wrapWithUnicode('$longEn$he$html', true, true),
174 equals('$longEn$he$html$LRM'));
175 // Test overall dir (but not exit dir) is opposite to context dir, dirReset.
176 expect(rtlFmt.wrapWithUnicode('$longEn$he', true, true),
177 equals('$LRE$longEn$he$PDF$RLM'));
178
179 // Test overall dir matches context dir (LTR).
180 expect(ltrFmt.wrapWithUnicode(en,
181 direction : TextDirection.LTR), equals(en));
182 // Test overall dir (but not exit dir) supposedly matches context dir (LTR).
183 expect(ltrFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
184 equals('$he$LRM'));
185 // Test overall dir matches context dir (RTL).
186 expect(rtlFmt.wrapWithUnicode(he,
187 direction : TextDirection.RTL), equals(he));
188 // Test overall dir (but not exit dir) supposedly matches context dir (RTL).
189 expect(rtlFmt.wrapWithUnicode(en, direction : TextDirection.RTL),
190 equals('$en$RLM'));
191
192 // Test overall dir (RTL) doesn't match context dir (LTR).
193 expect(ltrFmt.wrapWithUnicode(he, direction : TextDirection.RTL),
194 equals('$RLE$he$PDF$LRM'));
195 // Test supposed overall dir (RTL) doesn't match context dir (LTR).
196 expect(ltrFmt.wrapWithUnicode(en, direction : TextDirection.RTL),
197 equals('$RLE$en$PDF$LRM'));
198 // Test overall dir (LTR) doesn't match context dir (RTL).
199 expect(rtlFmt.wrapWithUnicode(en, direction : TextDirection.LTR),
200 equals('$LRE$en$PDF$RLM'));
201 // Test supposed overall dir (LTR) doesn't match context dir (RTL).
202 expect(rtlFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
203 equals('$LRE$he$PDF$RLM'));
204 // Test supposed overall dir (LTR) doesn't match context dir (unknown).
205 expect(unkFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
206 equals('$LRE$he$PDF'));
207 // Test supposed overall dir (neutral) doesn't match context dir (LTR).
208 expect(ltrFmt.wrapWithUnicode(he, direction : TextDirection.UNKNOWN),
209 equals('$he$LRM'));
210 });
211 }
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