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Issue 10682012: Revert r9138 while I fix tests. (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 5 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('../../../lib/i18n/bidi_formatter.dart');
9 #import('../../../lib/i18n/bidi_utils.dart');
10 #import('../../../lib/unittest/unittest.dart');
11
12 /**
13 * Tests the bidirectional text formatting library.
14 */
15 main() {
16 var LRM = BidiUtils.LRM;
17 var RLM = BidiUtils.RLM;
18 var LRE = BidiUtils.LRE;
19 var RLE = BidiUtils.RLE;
20 var PDF = BidiUtils.PDF;
21 var LTR = TextDirection.LTR;
22 var RTL = TextDirection.RTL;
23 var UNKNOWN = TextDirection.UNKNOWN;
24 var he = '\u05e0\u05e1';
25 var en = 'abba';
26 var html = '<';
27 var longEn = 'abba sabba gabba ';
28 var longHe = '\u05e0 \u05e1 \u05e0 ';
29 var ltrFmt = new BidiFormatter.LTR(); // LTR context
30 var rtlFmt = new BidiFormatter.RTL(); // RTL context
31 var unkFmt = new BidiFormatter.UNKNOWN(); // unknown context
32
33 test('estimateDirection', () {
34 expect(ltrFmt.estimateDirection(''), equals(UNKNOWN));
35 expect(rtlFmt.estimateDirection(''), equals(UNKNOWN));
36 expect(unkFmt.estimateDirection(''), equals(UNKNOWN));
37 expect(ltrFmt.estimateDirection(en), equals(LTR));
38 expect(rtlFmt.estimateDirection(en), equals(LTR));
39 expect(unkFmt.estimateDirection(en), equals(LTR));
40 expect(ltrFmt.estimateDirection(he), equals(RTL));
41 expect(rtlFmt.estimateDirection(he), equals(RTL));
42 expect(unkFmt.estimateDirection(he), equals(RTL));
43
44 // Text contains HTML or HTML-escaping.
45 expect(ltrFmt.estimateDirection(
46 '<some sort of tag/>$he &amp;', false), equals(LTR));
47 expect(ltrFmt.estimateDirection(
48 '<some sort of tag/>$he &amp;', true), equals(RTL));
49 });
50
51 test('wrapWithSpan', () {
52 // Test overall dir matches context dir (LTR), no dirReset.
53 expect(ltrFmt.wrapWithSpan(en, true, false), equals(en));
54 // Test overall dir matches context dir (LTR), dirReset.
55 expect(ltrFmt.wrapWithSpan(en, true, true), equals(en));
56 // Test overall dir matches context dir (RTL), no dirReset'.
57 expect(rtlFmt.wrapWithSpan(he, true, false), equals(he));
58 // Test overall dir matches context dir (RTL), dirReset.
59 expect(rtlFmt.wrapWithSpan(he, true, true), equals(he));
60 // Test overall dir (RTL) doesn't match context dir (LTR), no dirReset.
61 expect(ltrFmt.wrapWithSpan(he, true, false),
62 equals('<span dir=rtl>$he</span>'));
63 // Test overall dir (RTL) doesn't match context dir (LTR), dirReset.
64 expect(ltrFmt.wrapWithSpan(he, true, true),
65 equals('<span dir=rtl>$he</span>$LRM'));
66 // Test overall dir (LTR) doesn't match context dir (RTL), no dirReset.
67 expect(rtlFmt.wrapWithSpan(en, true, false),
68 equals('<span dir=ltr>$en</span>'));
69 // Test overall dir (LTR) doesn't match context dir (RTL), dirReset.
70 expect(rtlFmt.wrapWithSpan(en, true, true),
71 equals('<span dir=ltr>$en</span>$RLM'));
72 // Test overall dir (LTR) doesn't match context dir (unknown), no dirReset.
73 expect(unkFmt.wrapWithSpan(en, true, false),
74 equals('<span dir=ltr>$en</span>'));
75 // Test overall dir (RTL) doesn't match context dir (unknown), dirReset.
76 expect(unkFmt.wrapWithSpan(he, true, true),
77 equals('<span dir=rtl>$he</span>'));
78 // Test overall dir (neutral) doesn't match context dir (LTR), dirReset.
79 expect(ltrFmt.wrapWithSpan('', true, true), equals(''));
80
81 // Test exit dir (but not overall dir) is opposite to context dir, dirReset.
82 expect(ltrFmt.wrapWithSpan('$longEn$he$html', true, true),
83 equals('$longEn$he$html$LRM'));
84 // Test overall dir (but not exit dir) is opposite to context dir, dirReset.
85 expect(rtlFmt.wrapWithSpan('$longEn$he', true, true),
86 equals('<span dir=ltr>$longEn$he</span>$RLM'));
87
88 // Test input is plain text (not escaped).
89 expect(ltrFmt.wrapWithSpan('<br>$en', false, false),
90 equals('&lt;br&gt;$en'));
91
92 var ltrAlwaysSpanFmt = new BidiFormatter.LTR(true);
93 var rtlAlwaysSpanFmt = new BidiFormatter.RTL(true);
94 var unkAlwaysSpanFmt = new BidiFormatter.UNKNOWN(true);
95
96 // Test alwaysSpan, overall dir matches context dir (LTR), no dirReset.
97 expect(ltrAlwaysSpanFmt.wrapWithSpan(en, true, false),
98 equals('<span>$en</span>'));
99 // Test alwaysSpan, overall dir matches context dir (LTR), dirReset.
100 expect(ltrAlwaysSpanFmt.wrapWithSpan(en, true, true),
101 equals('<span>$en</span>'));
102 // Test alwaysSpan, overall dir matches context dir (RTL), no dirReset.
103 expect(rtlAlwaysSpanFmt.wrapWithSpan(he, true, false),
104 equals('<span>$he</span>'));
105 // Test alwaysSpan, overall dir matches context dir (RTL), dirReset.
106 expect(rtlAlwaysSpanFmt.wrapWithSpan(he, true, true),
107 equals('<span>$he</span>'));
108
109 // Test alwaysSpan, overall dir (RTL) doesn't match context dir (LTR),
110 // no dirReset.
111 expect(ltrAlwaysSpanFmt.wrapWithSpan(he, true, false),
112 equals('<span dir=rtl>$he</span>'));
113 // Test alwaysSpan, overall dir (RTL) doesn't match context dir (LTR),
114 // dirReset.
115 expect(ltrAlwaysSpanFmt.wrapWithSpan(he, true, true),
116 equals('<span dir=rtl>$he</span>$LRM'));
117 // Test alwaysSpan, overall dir (neutral) doesn't match context dir (LTR),
118 // dirReset
119 expect(ltrAlwaysSpanFmt.wrapWithSpan('', true, true),
120 equals('<span></span>'));
121
122 // Test overall dir matches context dir (LTR.
123 expect(ltrFmt.wrapWithSpan(en, direction : TextDirection.LTR), equals(en));
124 // Test overall dir (but not exit dir) supposedly matches context dir (LTR).
125 expect(ltrFmt.wrapWithSpan(he, direction : TextDirection.LTR),
126 equals('$he$LRM'));
127 // Test overall dir matches context dir (RTL.
128 expect(rtlFmt.wrapWithSpan(he, direction : TextDirection.RTL), equals(he));
129 // Test overall dir (but not exit dir) supposedly matches context dir (RTL).
130 expect(rtlFmt.wrapWithSpan(en, direction : TextDirection.RTL),
131 equals('$en$RLM'));
132
133 // Test overall dir (RTL) doesn't match context dir (LTR).
134 expect(ltrFmt.wrapWithSpan(he, direction : TextDirection.RTL),
135 equals('<span dir=rtl>$he</span>$LRM'));
136 // Test supposed overall dir (RTL) doesn't match context dir (LTR).
137 expect(ltrFmt.wrapWithSpan(en, direction : TextDirection.RTL),
138 equals('<span dir=rtl>$en</span>$LRM'));
139 // Test overall dir (LTR) doesn't match context dir (RTL).
140 expect(rtlFmt.wrapWithSpan(en, direction : TextDirection.LTR),
141 equals('<span dir=ltr>$en</span>$RLM'));
142 // Test supposed overall dir (LTR) doesn't match context dir (RTL).
143 expect(rtlFmt.wrapWithSpan(he, direction : TextDirection.LTR),
144 equals('<span dir=ltr>$he</span>$RLM'));
145 // Test supposed overall dir (LTR) doesn't match context dir (unknown).
146 expect(unkFmt.wrapWithSpan(he, direction : TextDirection.LTR),
147 equals('<span dir=ltr>$he</span>'));
148 // Test supposed overall dir (neutral) doesn't match context dir (LTR).
149 expect(ltrFmt.wrapWithSpan(he, direction : TextDirection.UNKNOWN),
150 equals('$he$LRM'));
151 });
152
153 test('wrapWithUnicode', () {
154 // Test overall dir matches context dir (LTR), no dirReset.
155 expect(ltrFmt.wrapWithUnicode(en, true, false), equals(en));
156 // Test overall dir matches context dir (LTR), dirReset.
157 expect(ltrFmt.wrapWithUnicode(en, true, true), equals(en));
158 // Test overall dir matches context dir (RTL), no dirReset.
159 expect(rtlFmt.wrapWithUnicode(he, true, false), equals(he));
160 // Test overall dir matches context dir (RTL), dirReset.
161 expect(rtlFmt.wrapWithUnicode(he, true, true), equals(he));
162
163 // Test overall dir (RTL) doesn't match context dir (LTR), no dirReset.
164 expect(ltrFmt.wrapWithUnicode(he, true, false), equals('$RLE$he$PDF'));
165 // Test overall dir (RTL) doesn't match context dir (LTR), dirReset.
166 expect(ltrFmt.wrapWithUnicode(he, true, true), equals('$RLE$he$PDF$LRM'));
167 // Test overall dir (LTR) doesn't match context dir (RTL), no dirReset.
168 expect(rtlFmt.wrapWithUnicode(en, true, false), equals('$LRE$en$PDF'));
169 // Test overall dir (LTR) doesn't match context dir (RTL), dirReset.
170 expect(rtlFmt.wrapWithUnicode(en, true, true), equals('$LRE$en$PDF$RLM'));
171 // Test overall dir (LTR) doesn't match context dir (unknown), no dirReset.
172 expect(unkFmt.wrapWithUnicode(en, true, false), equals('$LRE$en$PDF'));
173 // Test overall dir (RTL) doesn't match context dir (unknown), dirReset.
174 expect(unkFmt.wrapWithUnicode(he, true, true), equals('$RLE$he$PDF'));
175 // Test overall dir (neutral) doesn't match context dir (LTR), dirReset.
176 expect(ltrFmt.wrapWithUnicode('', true, true), equals(''));
177
178 // Test exit dir (but not overall dir) is opposite to context dir, dirReset.
179 expect(ltrFmt.wrapWithUnicode('$longEn$he$html', true, true),
180 equals('$longEn$he$html$LRM'));
181 // Test overall dir (but not exit dir) is opposite to context dir, dirReset.
182 expect(rtlFmt.wrapWithUnicode('$longEn$he', true, true),
183 equals('$LRE$longEn$he$PDF$RLM'));
184
185 // Test overall dir matches context dir (LTR).
186 expect(ltrFmt.wrapWithUnicode(en,
187 direction : TextDirection.LTR), equals(en));
188 // Test overall dir (but not exit dir) supposedly matches context dir (LTR).
189 expect(ltrFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
190 equals('$he$LRM'));
191 // Test overall dir matches context dir (RTL).
192 expect(rtlFmt.wrapWithUnicode(he,
193 direction : TextDirection.RTL), equals(he));
194 // Test overall dir (but not exit dir) supposedly matches context dir (RTL).
195 expect(rtlFmt.wrapWithUnicode(en, direction : TextDirection.RTL),
196 equals('$en$RLM'));
197
198 // Test overall dir (RTL) doesn't match context dir (LTR).
199 expect(ltrFmt.wrapWithUnicode(he, direction : TextDirection.RTL),
200 equals('$RLE$he$PDF$LRM'));
201 // Test supposed overall dir (RTL) doesn't match context dir (LTR).
202 expect(ltrFmt.wrapWithUnicode(en, direction : TextDirection.RTL),
203 equals('$RLE$en$PDF$LRM'));
204 // Test overall dir (LTR) doesn't match context dir (RTL).
205 expect(rtlFmt.wrapWithUnicode(en, direction : TextDirection.LTR),
206 equals('$LRE$en$PDF$RLM'));
207 // Test supposed overall dir (LTR) doesn't match context dir (RTL).
208 expect(rtlFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
209 equals('$LRE$he$PDF$RLM'));
210 // Test supposed overall dir (LTR) doesn't match context dir (unknown).
211 expect(unkFmt.wrapWithUnicode(he, direction : TextDirection.LTR),
212 equals('$LRE$he$PDF'));
213 // Test supposed overall dir (neutral) doesn't match context dir (LTR).
214 expect(ltrFmt.wrapWithUnicode(he, direction : TextDirection.UNKNOWN),
215 equals('$he$LRM'));
216 });
217 }
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