mirror of https://github.com/zulip/zulip.git
53 lines
3.3 KiB
JavaScript
53 lines
3.3 KiB
JavaScript
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var rtl = require('js/rtl.js');
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var util = require('js/util.js');
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set_global('util', {
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lower_bound: util.lower_bound,
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});
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(function test_get_direction() {
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// These characters are strong R or AL: ا ب پ ج ض و د ؛
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// These characters are not strong: ۱ ۲ ۳ ۴ ۵ ۶ ۷ ۸ ۹ ۰
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assert.equal(rtl.get_direction('abcابپ'), 'ltr');
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assert.equal(rtl.get_direction('ابپabc'), 'rtl');
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assert.equal(rtl.get_direction('123abc'), 'ltr');
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assert.equal(rtl.get_direction('۱۲۳abc'), 'ltr');
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assert.equal(rtl.get_direction('123؛بپ'), 'rtl');
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assert.equal(rtl.get_direction('۱۲۳ابپ'), 'rtl');
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assert.equal(rtl.get_direction('۱۲جg'), 'rtl');
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assert.equal(rtl.get_direction('12gج'), 'ltr');
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assert.equal(rtl.get_direction('۱۲۳'), 'ltr');
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assert.equal(rtl.get_direction('1234'), 'ltr');
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// Testing with some isolate initiators and PDIs.
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var i_chars = '\u2066\u2067\u2068';
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var pdi = '\u2069';
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assert.equal(rtl.get_direction('aa' + i_chars.charAt(0) + 'bb' + pdi + 'cc'), 'ltr');
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assert.equal(rtl.get_direction('دد' + i_chars.charAt(0) + 'bb' + pdi + 'cc'), 'rtl');
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assert.equal(rtl.get_direction('12' + i_chars.charAt(0) + 'bb' + pdi + 'جج'), 'rtl');
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assert.equal(rtl.get_direction('۱۲' + i_chars.charAt(0) + 'جج' + pdi + 'cc'), 'ltr');
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assert.equal(rtl.get_direction('aa' + i_chars.charAt(0) + 'ج؛ج'), 'ltr');
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assert.equal(rtl.get_direction('12' + i_chars.charAt(0) + 'ج؛ج'), 'ltr');
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assert.equal(rtl.get_direction('۱۲' + i_chars.charAt(0) + 'aaa'), 'ltr');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(0) + 'bb' + i_chars.charAt(0) + 'جج' + pdi + 'ضض' + pdi + '..'), 'ltr');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(0) + 'bb' + i_chars.charAt(0) + 'جج' + pdi + 'ضض' + pdi + 'وو'), 'rtl');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(0) + 'bb' + pdi + '33' + pdi + '..'), 'ltr');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(0) + 'bb' + pdi + '12' + pdi + 'وو'), 'rtl');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(0) + 'ضج' + pdi + '12' + pdi + 'ff'), 'ltr');
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assert.equal(rtl.get_direction('aa' + i_chars.charAt(1) + 'bb' + pdi + 'cc'), 'ltr');
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assert.equal(rtl.get_direction('دد' + i_chars.charAt(2) + 'bb' + pdi + 'cc'), 'rtl');
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assert.equal(rtl.get_direction('12' + i_chars.charAt(1) + 'bb' + pdi + 'جج'), 'rtl');
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assert.equal(rtl.get_direction('۱۲' + i_chars.charAt(2) + 'جج' + pdi + 'cc'), 'ltr');
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assert.equal(rtl.get_direction('aa' + i_chars.charAt(1) + 'ججج'), 'ltr');
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assert.equal(rtl.get_direction('12' + i_chars.charAt(2) + 'ججج'), 'ltr');
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assert.equal(rtl.get_direction('۱۲' + i_chars.charAt(1) + 'aaa'), 'ltr');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(1) + 'bb' + i_chars.charAt(2) + 'جج' + pdi + 'ضض' + pdi + '..'), 'ltr');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(2) + 'bb' + i_chars.charAt(1) + '؛ج' + pdi + 'ضض' + pdi + 'وو'), 'rtl');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(1) + 'bb' + pdi + '33' + pdi + '..'), 'ltr');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(2) + 'bb' + pdi + '12' + pdi + 'وو'), 'rtl');
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assert.equal(rtl.get_direction(',,' + i_chars.charAt(1) + 'ضج' + pdi + '12' + pdi + 'ff'), 'ltr');
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}());
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