Andreas Hocevar
126 lines
4.0 KiB
JavaScript
126 lines
4.0 KiB
JavaScript
// Copyright 2009 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.i18n.uCharTest');
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goog.setTestOnly('goog.i18n.uCharTest');
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goog.require('goog.i18n.uChar');
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goog.require('goog.testing.jsunit');
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function testToHexString() {
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var result = goog.i18n.uChar.toHexString('\uD869\uDED6');
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assertEquals('U+2A6D6', result);
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}
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function testPadString() {
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var result = goog.i18n.uChar.padString_('abc', 4, '0');
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assertEquals('0abc', result);
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}
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function testToCharCode() {
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var result = goog.i18n.uChar.toCharCode('\uD869\uDED6');
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assertEquals(0x2A6D6, result);
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}
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function testcodePointAt() {
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// Basic cases.
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assertEquals(0x006C, goog.i18n.uChar.getCodePointAround('Hello!', 2));
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assertEquals(0x2708 /* Airplane symbol (non-ASCII) */,
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goog.i18n.uChar.getCodePointAround('Hello\u2708', 5));
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// Supplementary characters.
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assertEquals(0x2A6D6, goog.i18n.uChar.getCodePointAround('\uD869\uDED6', 0));
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assertEquals(-0x2A6D6, goog.i18n.uChar.getCodePointAround('\uD869\uDED6', 1));
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assertEquals(0xD869, goog.i18n.uChar.getCodePointAround('\uD869' + 'w', 0));
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assertEquals(0xDED6, goog.i18n.uChar.getCodePointAround('\uD869' + 'w' +
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'\uDED6', 2));
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}
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function testBuildSupplementaryCodePoint() {
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var result = goog.i18n.uChar.buildSupplementaryCodePoint(0xD869, 0xDED6);
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assertEquals(0x2A6D6, result);
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assertNull(goog.i18n.uChar.buildSupplementaryCodePoint(0xDED6, 0xD869));
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assertNull(goog.i18n.uChar.buildSupplementaryCodePoint(0xD869, 0xAC00));
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}
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function testCharCount() {
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assertEquals(2, goog.i18n.uChar.charCount(0x2A6D6));
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assertEquals(1, goog.i18n.uChar.charCount(0xAC00));
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}
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function testIsSupplementaryCodePoint() {
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assertTrue(goog.i18n.uChar.isSupplementaryCodePoint(0x2A6D6));
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assertFalse(goog.i18n.uChar.isSupplementaryCodePoint(0xAC00));
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}
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function testIsLeadSurrogateCodepoint() {
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assertTrue(goog.i18n.uChar.isLeadSurrogateCodePoint(0xD869));
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assertFalse(goog.i18n.uChar.isLeadSurrogateCodePoint(0xDED6));
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assertFalse(goog.i18n.uChar.isLeadSurrogateCodePoint(0xAC00));
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}
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function testIsTrailSurrogateCodePoint() {
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assertTrue(goog.i18n.uChar.isTrailSurrogateCodePoint(0xDED6));
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assertFalse(goog.i18n.uChar.isTrailSurrogateCodePoint(0xD869));
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assertFalse(goog.i18n.uChar.isTrailSurrogateCodePoint(0xAC00));
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}
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function testFromCharCode() {
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var result = goog.i18n.uChar.fromCharCode(0x2A6D6);
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assertEquals('\uD869\uDED6', result);
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}
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function testFromCharCode_invalidValues() {
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var result = goog.i18n.uChar.fromCharCode(-1);
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assertEquals(null, result);
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result = goog.i18n.uChar.fromCharCode(
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goog.i18n.uChar.CODE_POINT_MAX_VALUE_ + 1);
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assertEquals(null, result);
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result = goog.i18n.uChar.fromCharCode(null);
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assertEquals(null, result);
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result = goog.i18n.uChar.fromCharCode(undefined);
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assertEquals(null, result);
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result = goog.i18n.uChar.fromCharCode(NaN);
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assertEquals(null, result);
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}
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function testToName() {
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var result = goog.i18n.uChar.toName(' ');
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assertEquals('Space', result);
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}
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function testToNameForNumberKey() {
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var result = goog.i18n.uChar.toName('\u2028');
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assertEquals('Line Separator', result);
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}
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function testToNameForVariationSelector() {
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var result = goog.i18n.uChar.toName('\ufe00');
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assertEquals('Variation Selector - 1', result);
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}
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function testToNameForVariationSelectorSupp() {
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var result = goog.i18n.uChar.toName('\uDB40\uDD00');
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assertEquals('Variation Selector - 17', result);
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}
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function testToNameForNull() {
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var result = goog.i18n.uChar.toName('a');
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assertNull(result);
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}
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