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<!DOCTYPE html>
<html>
<!--
Copyright 2006 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.format</title>
<script src="../base.js"></script>
<script>
goog.require('goog.dom');
goog.require('goog.format');
goog.require('goog.string');
goog.require('goog.testing.jsunit');
goog.require('goog.testing.PropertyReplacer');
goog.require('goog.style');
</script>
</head>
<body>
<script>
var propertyReplacer = new goog.testing.PropertyReplacer();
function tearDown() {
// set wordBreakHtml back to the original value (some tests edit this member).
propertyReplacer.reset();
}
function testFormatFileSize() {
var fileSize = goog.format.fileSize;
assertEquals('45', fileSize(45));
assertEquals('45', fileSize(45, 0));
assertEquals('45', fileSize(45, 1));
assertEquals('45', fileSize(45, 3));
assertEquals('454', fileSize(454));
assertEquals('600', fileSize(600));
assertEquals('1K', fileSize(1024));
assertEquals('2K', fileSize(2 * 1024));
assertEquals('5K', fileSize(5 * 1024));
assertEquals('5.123K', fileSize(5.12345 * 1024, 3));
assertEquals('5.68K', fileSize(5.678 * 1024, 2));
assertEquals('1M', fileSize(1024 * 1024));
assertEquals('1.5M', fileSize(1.5 * 1024 * 1024));
assertEquals('2M', fileSize(1.5 * 1024 * 1024, 0));
assertEquals('1.5M', fileSize(1.51 * 1024 * 1024, 1));
assertEquals('1.56M', fileSize(1.56 * 1024 * 1024, 2));
assertEquals('1G', fileSize(1024 * 1024 * 1024));
assertEquals('6G', fileSize(6 * 1024 * 1024 * 1024));
assertEquals('12.06T', fileSize(12345.6789 * 1024 * 1024 * 1024));
}
function testIsConvertableScaledNumber() {
var isConvertableScaledNumber = goog.format.isConvertableScaledNumber;
assertTrue(isConvertableScaledNumber('0'));
assertTrue(isConvertableScaledNumber('45'));
assertTrue(isConvertableScaledNumber('45K'));
assertTrue(isConvertableScaledNumber('45MB'));
assertTrue(isConvertableScaledNumber('45GB'));
assertTrue(isConvertableScaledNumber('45T'));
assertTrue(isConvertableScaledNumber('2.33P'));
assertTrue(isConvertableScaledNumber('45m'));
assertTrue(isConvertableScaledNumber('45u'));
assertTrue(isConvertableScaledNumber('-5.0n'));
assertFalse(isConvertableScaledNumber('45x'));
assertFalse(isConvertableScaledNumber('ux'));
assertFalse(isConvertableScaledNumber('K'));
}
function testNumericValueToString() {
var numericValueToString = goog.format.numericValueToString;
assertEquals('0', numericValueToString(0.0));
assertEquals('45', numericValueToString(45));
assertEquals('454', numericValueToString(454));
assertEquals('600', numericValueToString(600));
assertEquals('1.02K', numericValueToString(1024));
assertEquals('2.05K', numericValueToString(2 * 1024));
assertEquals('5.12K', numericValueToString(5 * 1024));
assertEquals('5.246K', numericValueToString(5.12345 * 1024, 3));
assertEquals('5.81K', numericValueToString(5.678 * 1024, 2));
assertEquals('1.05M', numericValueToString(1024 * 1024));
assertEquals('1.57M', numericValueToString(1.5 * 1024 * 1024));
assertEquals('2M', numericValueToString(1.5 * 1024 * 1024, 0));
assertEquals('1.6M', numericValueToString(1.51 * 1024 * 1024, 1));
assertEquals('1.64M', numericValueToString(1.56 * 1024 * 1024, 2));
assertEquals('1.07G', numericValueToString(1024 * 1024 * 1024));
assertEquals('6.44G', numericValueToString(6 * 1024 * 1024 * 1024));
assertEquals('13.26T', numericValueToString(12345.6789 * 1024 * 1024 * 1024));
assertEquals('23.4m', numericValueToString(0.0234));
assertEquals('1.23u', numericValueToString(0.00000123));
assertEquals('15.78n', numericValueToString(0.000000015784));
assertEquals('0.58u', numericValueToString(0.0000005784));
assertEquals('0.5', numericValueToString(0.5));
assertEquals('-45', numericValueToString(-45.3, 0));
assertEquals('-45', numericValueToString(-45.5, 0));
assertEquals('-46', numericValueToString(-45.51, 0));
}
function testFormatNumBytes() {
var numBytesToString = goog.format.numBytesToString;
assertEquals('45', numBytesToString(45));
assertEquals('454', numBytesToString(454));
assertEquals('5KB', numBytesToString(5 * 1024));
assertEquals('1MB', numBytesToString(1024 * 1024));
assertEquals('6GB', numBytesToString(6 * 1024 * 1024 * 1024));
assertEquals('12.06TB', numBytesToString(12345.6789 * 1024 * 1024 * 1024));
}
function testStringToNumeric() {
var stringToNumericValue = goog.format.stringToNumericValue;
var epsilon = Math.pow(10, -10);
assertNaN(stringToNumericValue('foo'));
assertEquals(45, stringToNumericValue('45'));
assertEquals(-45, stringToNumericValue('-45'));
assertEquals(-45, stringToNumericValue('-45'));
assertEquals(454, stringToNumericValue('454'));
assertEquals(5 * 1024, stringToNumericValue('5KB'));
assertEquals(1024 * 1024, stringToNumericValue('1MB'));
assertEquals(6 * 1024 * 1024 * 1024, stringToNumericValue('6GB'));
assertEquals(13260110230978.56, stringToNumericValue('12.06TB'));
assertEquals(5010, stringToNumericValue('5.01K'));
assertEquals(5100000, stringToNumericValue('5.1M'));
assertTrue(Math.abs(0.051 - stringToNumericValue('51.0m')) < epsilon);
assertTrue(Math.abs(0.000051 - stringToNumericValue('51.0u')) < epsilon);
}
function testStringToNumBytes() {
var stringToNumBytes = goog.format.stringToNumBytes;
assertEquals(45, stringToNumBytes('45'));
assertEquals(454, stringToNumBytes('454'));
assertEquals(5 * 1024, stringToNumBytes('5K'));
assertEquals(1024 * 1024, stringToNumBytes('1M'));
assertEquals(6 * 1024 * 1024 * 1024, stringToNumBytes('6G'));
assertEquals(13260110230978.56, stringToNumBytes('12.06T'));
}
function testInsertWordBreaks() {
// HTML that gets inserted is browser dependent, ensure for the test it is
// a constant - browser dependent HTML is for display purposes only.
propertyReplacer.set(goog.format, 'WORD_BREAK_HTML', '<wbr>');
var insertWordBreaks = goog.format.insertWordBreaks;
assertEquals('abcdef', insertWordBreaks('abcdef', 10));
assertEquals('ab<wbr>cd<wbr>ef', insertWordBreaks('abcdef', 2));
assertEquals('a<wbr>b<wbr>c<wbr>d<wbr>e<wbr>f', insertWordBreaks('abcdef', 1));
assertEquals('a&b=<wbr>=fal<wbr>se', insertWordBreaks('a&b==false', 4));
assertEquals('<&>»<wbr>«',
insertWordBreaks('<&>»«', 4));
assertEquals('a<wbr>b<wbr>c d<wbr>e<wbr>f', insertWordBreaks('abc def', 1));
assertEquals('ab<wbr>c de<wbr>f', insertWordBreaks('abc def', 2));
assertEquals('abc def', insertWordBreaks('abc def', 3));
assertEquals('abc def', insertWordBreaks('abc def', 4));
assertEquals('a<b>cd</b>e<wbr>f', insertWordBreaks('a<b>cd</b>ef', 4));
assertEquals('Thi<wbr>s is a <a href="">lin<wbr>k</a>.',
insertWordBreaks('This is a <a href="">link</a>.', 3));
assertEquals('<abc a="&&&&&">a<wbr>b',
insertWordBreaks('<abc a="&&&&&">ab', 1));
assertEquals('ab\u0300<wbr>cd', insertWordBreaks('ab\u0300cd', 2));
assertEquals('ab\u036F<wbr>cd', insertWordBreaks('ab\u036Fcd', 2));
assertEquals('ab<wbr>\u0370c<wbr>d', insertWordBreaks('ab\u0370cd', 2));
assertEquals('ab<wbr>\uFE1Fc<wbr>d', insertWordBreaks('ab\uFE1Fcd', 2));
assertEquals('ab\u0300<wbr>c\u0301<wbr>de<wbr>f',
insertWordBreaks('ab\u0300c\u0301def', 2));
}
function testInsertWordBreaksWithFormattingCharacters() {
// HTML that gets inserted is browser dependent, ensure for the test it is
// a constant - browser dependent HTML is for display purposes only.
propertyReplacer.set(goog.format, 'WORD_BREAK_HTML', '<wbr>');
var insertWordBreaks = goog.format.insertWordBreaks;
// A date in Arabic-Indic digits with Right-to-Left Marks (U+200F).
// The date is "11<RLM>/01<RLM>/2012".
var textWithRLMs = 'This is a date - ' +
'\u0661\u0661\u200f/\u0660\u0661\u200f/\u0662\u0660\u0661\u0662';
// A string of 10 Xs with invisible formatting characters in between.
// These characters are in the ranges U+200C to U+200F and U+202A to
// U+202E, inclusive. See: http://unicode.org/charts/PDF/U2000.pdf
var stringWithInvisibleFormatting = 'X\u200cX\u200dX\u200eX\u200fX\u202a' +
'X\u202bX\u202cX\u202dX\u202eX';
// A string formed by concatenating copies of the previous string alternating
// with characters which behave like breaking spaces. Besides the space
// character itself, the other characters are in the range U+2000 to U+200B
// inclusive, except for the exclusion of U+2007 and inclusion of U+2029.
// See: http://unicode.org/charts/PDF/U2000.pdf
var stringWithInvisibleFormattingAndSpacelikeCharacters =
stringWithInvisibleFormatting + ' ' +
stringWithInvisibleFormatting + '\u2000' +
stringWithInvisibleFormatting + '\u2001' +
stringWithInvisibleFormatting + '\u2002' +
stringWithInvisibleFormatting + '\u2003' +
stringWithInvisibleFormatting + '\u2005' +
stringWithInvisibleFormatting + '\u2006' +
stringWithInvisibleFormatting + '\u2008' +
stringWithInvisibleFormatting + '\u2009' +
stringWithInvisibleFormatting + '\u200A' +
stringWithInvisibleFormatting + '\u200B' +
stringWithInvisibleFormatting + '\u2029' +
stringWithInvisibleFormatting;
// Test that the word break algorithm does not count RLMs towards word
// length, and therefore does not insert word breaks into a typical date
// written in Arabic-Indic digits with RTMs (b/5853915).
assertEquals(textWithRLMs, insertWordBreaks(textWithRLMs, 10));
// Test that invisible formatting characters are not counted towards word
// length, and that characters which are treated as breaking spaces behave as
// breaking spaces.
assertEquals(stringWithInvisibleFormattingAndSpacelikeCharacters,
insertWordBreaks(stringWithInvisibleFormattingAndSpacelikeCharacters,
10));
}
function testInsertWordBreaksBasic() {
// HTML that gets inserted is browser dependent, ensure for the test it is
// a constant - browser dependent HTML is for display purposes only.
propertyReplacer.set(goog.format, 'WORD_BREAK_HTML', '<wbr>');
var insertWordBreaksBasic = goog.format.insertWordBreaksBasic;
assertEquals('abcdef', insertWordBreaksBasic('abcdef', 10));
assertEquals('ab<wbr>cd<wbr>ef', insertWordBreaksBasic('abcdef', 2));
assertEquals('a<wbr>b<wbr>c<wbr>d<wbr>e<wbr>f', insertWordBreaksBasic('abcdef', 1));
assertEquals('ab\u0300<wbr>c\u0301<wbr>de<wbr>f',
insertWordBreaksBasic('ab\u0300c\u0301def', 2));
assertEquals(
'Inserting word breaks into the word "Russia" should work fine.',
'\u0420\u043E<wbr>\u0441\u0441<wbr>\u0438\u044F',
insertWordBreaksBasic('\u0420\u043E\u0441\u0441\u0438\u044F', 2));
// The word 'Internet' in Hindi.
var hindiInternet = '\u0907\u0902\u091F\u0930\u0928\u0947\u091F';
assertEquals('The basic algorithm is not good enough to insert word ' +
'breaks into Hindi.',
hindiInternet, insertWordBreaksBasic(hindiInternet, 2));
// The word 'Internet' in Hindi broken into slashes.
assertEquals('Hindi can have word breaks inserted between slashes',
hindiInternet + '<wbr>/' + hindiInternet + '<wbr>.' + hindiInternet,
insertWordBreaksBasic(hindiInternet + '/' + hindiInternet + '.' + hindiInternet, 2));
}
function testWordBreaksWorking() {
var text = goog.string.repeat('test', 20);
var textWbr = goog.string.repeat('test' + goog.format.WORD_BREAK_HTML, 20);
var overflowEl = goog.dom.createDom('div',
{'style': 'width: 100px; overflow: hidden; margin 5px'});
var wbrEl = goog.dom.createDom('div',
{'style': 'width: 100px; overflow: hidden; margin-top: 15px'});
goog.dom.appendChild(goog.global.document.body, overflowEl);
goog.dom.appendChild(goog.global.document.body, wbrEl);
overflowEl.innerHTML = text;
wbrEl.innerHTML = textWbr;
assertTrue('Text should overflow', overflowEl.scrollWidth > 100);
assertTrue('Text should not overflow', wbrEl.scrollWidth <= 100);
}
function testWordBreaksRemovedFromTextContent() {
var expectedText = goog.string.repeat('test', 20);
var textWbr = goog.string.repeat('test' + goog.format.WORD_BREAK_HTML, 20);
var wbrEl = goog.dom.createDom('div', null);
wbrEl.innerHTML = textWbr;
assertEquals('text content should have wbr character removed', expectedText,
goog.dom.getTextContent(wbrEl));
}
</script>
</body>
</html>
|
