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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.string</title>
<script src="../base.js"></script>
<script>
goog.require('goog.functions');
goog.require('goog.object');
goog.require('goog.string');
goog.require('goog.testing.PropertyReplacer');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
var stubs = new goog.testing.PropertyReplacer();
function tearDown() {
stubs.reset();
}
//=== tests for goog.string.collapseWhitespace ===
function testCollapseWhiteSpace() {
var f = goog.string.collapseWhitespace;
assertEquals('Leading spaces not stripped', f(' abc'), 'abc');
assertEquals('Trailing spaces not stripped', f('abc '), 'abc');
assertEquals('Wrapping spaces not stripped', f(' abc '), 'abc');
assertEquals('All white space chars not stripped',
f('\xa0\n\t abc\xa0\n\t '), 'abc');
assertEquals('Spaces not collapsed', f('a b c'), 'a b c');
assertEquals('Tabs not collapsed', f('a\t\t\tb\tc'), 'a b c');
assertEquals('All check failed', f(' \ta \t \t\tb\t\n\xa0 c \t\n'),
'a b c');
}
//=== tests for goog.string.isEmpty ===
function testIsEmpty() {
assert('1. Should be empty', goog.string.isEmpty(''));
assert('2. Should be empty', goog.string.isEmpty(' '));
assert('3. Should be empty', goog.string.isEmpty(' '));
assert('4. Should be empty', goog.string.isEmpty(' \t\t\n\xa0 '));
assert('1. Should not be empty', !goog.string.isEmpty(' abc \t\xa0'));
assert('2. Should not be empty', !goog.string.isEmpty(' a b c \t'));
assert('3. Should not be empty', !goog.string.isEmpty(';'));
var a;
assert('Undefined is not empty', !goog.string.isEmpty(a));
assert('Null is not empty', !goog.string.isEmpty(null));
assert('A random object is not empty', !goog.string.isEmpty({a: 1, b: 2}));
}
//=== tests for goog.string.isAlpha ===
function testIsAlpha() {
assertTrue('"a" should be alpha', goog.string.isAlpha('a'));
assertTrue('"n" should be alpha', goog.string.isAlpha('n'));
assertTrue('"z" should be alpha', goog.string.isAlpha('z'));
assertTrue('"A" should be alpha', goog.string.isAlpha('A'));
assertTrue('"N" should be alpha', goog.string.isAlpha('N'));
assertTrue('"Z" should be alpha', goog.string.isAlpha('Z'));
assertTrue('"aa" should be alpha', goog.string.isAlpha('aa'));
assertTrue('null is alpha', goog.string.isAlpha(null));
assertTrue('undefined is alpha', goog.string.isAlpha(undefined));
assertFalse('"aa!" is not alpha', goog.string.isAlpha('aa!s'));
assertFalse('"!" is not alpha', goog.string.isAlpha('!'));
assertFalse('"0" is not alpha', goog.string.isAlpha('0'));
assertFalse('"5" is not alpha', goog.string.isAlpha('5'));
}
//=== tests for goog.string.isNumeric ===
function testIsNumeric() {
assertTrue('"8" is a numeric string', goog.string.isNumeric('8'));
assertTrue('"5" is a numeric string', goog.string.isNumeric('5'));
assertTrue('"34" is a numeric string', goog.string.isNumeric('34'));
assertTrue('34 is a number', goog.string.isNumeric(34));
assertFalse('"3.14" has a period', goog.string.isNumeric('3.14'));
assertFalse('"A" is a letter', goog.string.isNumeric('A'));
assertFalse('"!" is punctuation', goog.string.isNumeric('!'));
assertFalse('null is not numeric', goog.string.isNumeric(null));
assertFalse('undefined is not numeric', goog.string.isNumeric(undefined));
}
//=== tests for tests for goog.string.isAlphaNumeric ===
function testIsAlphaNumeric() {
assertTrue('"ABCabc" should be alphanumeric',
goog.string.isAlphaNumeric('ABCabc'));
assertTrue('"123" should be alphanumeric', goog.string.isAlphaNumeric('123'));
assertTrue('"ABCabc123" should be alphanumeric',
goog.string.isAlphaNumeric('ABCabc123'));
assertTrue('null is alphanumeric', goog.string.isAlphaNumeric(null));
assertTrue('undefined is alphanumeric',
goog.string.isAlphaNumeric(undefined));
assertFalse('"123!" should not be alphanumeric',
goog.string.isAlphaNumeric('123!'));
assertFalse('" " should not be alphanumeric',
goog.string.isAlphaNumeric(' '));
}
//== tests for goog.string.isBreakingWhitespace ===
function testIsBreakingWhitespace() {
assertTrue('" " is breaking', goog.string.isBreakingWhitespace(' '));
assertTrue('"\\n" is breaking', goog.string.isBreakingWhitespace('\n'));
assertTrue('"\\t" is breaking', goog.string.isBreakingWhitespace('\t'));
assertTrue('"\\r" is breaking', goog.string.isBreakingWhitespace('\r'));
assertTrue('"\\r\\n\\t " is breaking',
goog.string.isBreakingWhitespace('\r\n\t '));
assertFalse('nbsp is non-breaking', goog.string.isBreakingWhitespace('\xa0'));
assertFalse('"a" is non-breaking', goog.string.isBreakingWhitespace('a'));
assertFalse('"a\\r" is non-breaking',
goog.string.isBreakingWhitespace('a\r'));
}
//=== tests for goog.string.isSpace ===
function testIsSpace() {
assertTrue('" " is a space', goog.string.isSpace(' '));
assertFalse('"\\n" is not a space', goog.string.isSpace('\n'));
assertFalse('"\\t" is not a space', goog.string.isSpace('\t'));
assertFalse('" " is not a space, it\'s two spaces',
goog.string.isSpace(' '));
assertFalse('"a" is not a space', goog.string.isSpace('a'));
assertFalse('"3" is not a space', goog.string.isSpace('3'));
assertFalse('"#" is not a space', goog.string.isSpace('#'));
assertFalse('null is not a space', goog.string.isSpace(null));
assertFalse('nbsp is not a space', goog.string.isSpace('\xa0'));
}
// === tests for goog.string.stripNewlines ===
function testStripNewLines() {
assertEquals('Should replace new lines with spaces',
goog.string.stripNewlines('some\nlines\rthat\r\nare\n\nsplit'),
'some lines that are split');
}
// === tests for goog.string.canonicalizeNewlines ===
function testCanonicalizeNewlines() {
assertEquals('Should replace all types of new line with \\n',
goog.string.canonicalizeNewlines(
'some\nlines\rthat\r\nare\n\nsplit'),
'some\nlines\nthat\nare\n\nsplit');
}
// === tests for goog.string.normalizeWhitespace ===
function testWhitespace() {
assertEquals('All whitespace chars should be replaced with a normal space',
goog.string.normalizeWhitespace('\xa0 \n\t \xa0 \n\t'),
' ');
}
// === tests for goog.string.normalizeSpaces ===
function testNormalizeSpaces() {
assertEquals('All whitespace chars should be replaced with a normal space',
goog.string.normalizeSpaces('\xa0 \t \xa0 \t'),
' ');
}
function testCollapseBreakingSpaces() {
assertEquals('breaking spaces are collapsed', 'a b',
goog.string.collapseBreakingSpaces(' \t\r\n a \t\r\n b \t\r\n '));
assertEquals('non-breaking spaces are kept', 'a \u00a0\u2000 b',
goog.string.collapseBreakingSpaces('a \u00a0\u2000 b'));
}
/// === tests for goog.string.trim ===
function testTrim() {
assertEquals('Should be the same', goog.string.trim('nothing 2 trim'),
'nothing 2 trim');
assertEquals('Remove spaces', goog.string.trim(' hello goodbye '),
'hello goodbye');
assertEquals('Trim other stuff', goog.string.trim('\n\r\xa0 hi \r\n\xa0'),
'hi');
}
/// === tests for goog.string.trimLeft ===
function testTrimLeft() {
var f = goog.string.trimLeft;
assertEquals('Should be the same', f('nothing to trim'), 'nothing to trim');
assertEquals('Remove spaces', f(' hello goodbye '), 'hello goodbye ');
assertEquals('Trim other stuff', f('\xa0\n\r hi \r\n\xa0'), 'hi \r\n\xa0');
}
/// === tests for goog.string.trimRight ===
function testTrimRight() {
var f = goog.string.trimRight;
assertEquals('Should be the same', f('nothing to trim'), 'nothing to trim');
assertEquals('Remove spaces', f(' hello goodbye '), ' hello goodbye');
assertEquals('Trim other stuff', f('\n\r\xa0 hi \r\n\xa0'), '\n\r\xa0 hi');
}
// === tests for goog.string.startsWith ===
function testStartsWith() {
assertTrue('Should start with \'\'', goog.string.startsWith('abcd', ''));
assertTrue('Should start with \'ab\'', goog.string.startsWith('abcd', 'ab'));
assertTrue('Should start with \'abcd\'',
goog.string.startsWith('abcd', 'abcd'));
assertFalse('Should not start with \'bcd\'',
goog.string.startsWith('abcd', 'bcd'));
}
function testEndsWith() {
assertTrue('Should end with \'\'', goog.string.endsWith('abcd', ''));
assertTrue('Should end with \'ab\'', goog.string.endsWith('abcd', 'cd'));
assertTrue('Should end with \'abcd\'', goog.string.endsWith('abcd', 'abcd'));
assertFalse('Should not end \'abc\'', goog.string.endsWith('abcd', 'abc'));
assertFalse('Should not end \'abcde\'',
goog.string.endsWith('abcd', 'abcde'));
}
// === tests for goog.string.caseInsensitiveStartsWith ===
function testCaseInsensitiveStartsWith() {
assertTrue('Should start with \'\'',
goog.string.caseInsensitiveStartsWith('abcd', ''));
assertTrue('Should start with \'ab\'',
goog.string.caseInsensitiveStartsWith('abcd', 'Ab'));
assertTrue('Should start with \'abcd\'',
goog.string.caseInsensitiveStartsWith('AbCd', 'abCd'));
assertFalse('Should not start with \'bcd\'',
goog.string.caseInsensitiveStartsWith('ABCD', 'bcd'));
}
// === tests for goog.string.caseInsensitiveEndsWith ===
function testCaseInsensitiveEndsWith() {
assertTrue('Should end with \'\'',
goog.string.caseInsensitiveEndsWith('abcd', ''));
assertTrue('Should end with \'cd\'',
goog.string.caseInsensitiveEndsWith('abCD', 'cd'));
assertTrue('Should end with \'abcd\'',
goog.string.caseInsensitiveEndsWith('abcd', 'abCd'));
assertFalse('Should not end \'abc\'',
goog.string.caseInsensitiveEndsWith('aBCd', 'ABc'));
assertFalse('Should not end \'abcde\'',
goog.string.caseInsensitiveEndsWith('ABCD', 'abcde'));
}
// === tests for goog.string.subs ===
function testSubs() {
assertEquals('Should be the same', goog.string.subs('nothing to subs'),
'nothing to subs');
assertEquals('Should be the same', goog.string.subs('%s', '1'), '1');
assertEquals('Should be the same',
goog.string.subs('%s%s%s', '1', 2, true), '12true');
function f() {
assertTrue('This should not be called', false);
}
f.toString = function() { return 'f'; };
assertEquals('Should not call function', goog.string.subs('%s', f), 'f');
// If the string that is to be substituted in contains $& then it will be
// usually be replaced with %s, we need to check goog.string.subs, handles
// this case.
assertEquals('$& should not be substituted with %s', 'Foo Bar $&',
goog.string.subs('Foo %s', 'Bar $&'));
assertEquals('$$ should not be substituted', '_$$_',
goog.string.subs('%s', '_$$_'));
assertEquals('$` should not be substituted', '_$`_',
goog.string.subs('%s', '_$`_'));
assertEquals('$\' should not be substituted', '_$\'_',
goog.string.subs('%s', '_$\'_'));
for (var i = 0; i < 99; i += 9) {
assertEquals('$' + i + ' should not be substituted',
'_$' + i + '_', goog.string.subs('%s', '_$' + i + '_'));
}
}
// === tests for goog.string.caseInsensitiveCompare ===
function testCaseInsensitiveCompare() {
var f = goog.string.caseInsensitiveCompare;
assert('"ABC" should be less than "def"', f('ABC', 'def') == -1);
assert('"abc" should be less than "DEF"', f('abc', 'DEF') == -1);
assert('"XYZ" should equal "xyz"', f('XYZ', 'xyz') == 0);
assert('"XYZ" should be greater than "UVW"', f('xyz', 'UVW') == 1);
assert('"XYZ" should be greater than "uvw"', f('XYZ', 'uvw') == 1);
}
// === tests for goog.string.numerateCompare ===
function testNumerateCompare() {
var f = goog.string.numerateCompare;
// Each comparison in this list is tested to assure that t[0] < t[1],
// t[1] > t[0], and identity tests t[0] == t[0] and t[1] == t[1].
var comparisons = [
['', '0'],
['2', '10'],
['05', '9'],
['3.14', '3.2'],
['sub', 'substring'],
['Photo 7', 'photo 8'], // Case insensitive for most sorts.
['Mango', 'mango'], // Case sensitive if strings are otherwise identical.
['album 2 photo 20', 'album 10 photo 20'],
['album 7 photo 20', 'album 7 photo 100']];
for (var i = 0; i < comparisons.length; i++) {
var t = comparisons[i];
assert(t[0] + ' should be less than ' + t[1],
f(t[0], t[1]) < 0);
assert(t[1] + ' should be greater than ' + t[0],
f(t[1], t[0]) > 0);
assert(t[0] + ' should be equal to ' + t[0],
f(t[0], t[0]) == 0);
assert(t[1] + ' should be equal to ' + t[1],
f(t[1], t[1]) == 0);
}
}
// === tests for goog.string.urlEncode && .urlDecode ===
// NOTE: When test was written it was simply an alias for the built in
// 'encodeURICompoent', therefore this test is simply used to make sure that in
// the future it doesn't get broken.
function testUrlEncodeAndDecode() {
var input = '<p>"hello there," she said, "what is going on here?</p>';
var output = '%3Cp%3E%22hello%20there%2C%22%20she%20said%2C%20%22what%20is' +
'%20going%20on%20here%3F%3C%2Fp%3E';
assertEquals('urlEncode vs encodeURIComponent',
encodeURIComponent(input),
goog.string.urlEncode(input));
assertEquals('urlEncode vs model', goog.string.urlEncode(input), output);
assertEquals('urlDecode vs model', goog.string.urlDecode(output), input);
assertEquals('urlDecode vs urlEncode',
goog.string.urlDecode(goog.string.urlEncode(input)), input);
assertEquals('urlDecode with +s instead of %20s',
goog.string.urlDecode(output.replace(/%20/g, '+')),
input);
}
// === tests for goog.string.newLineToBr ===
function testNewLineToBr() {
var str = 'some\nlines\rthat\r\nare\n\nsplit';
var html = 'some<br>lines<br>that<br>are<br><br>split';
var xhtml = 'some<br />lines<br />that<br />are<br /><br />split';
assertEquals('Should be html', goog.string.newLineToBr(str), html);
assertEquals('Should be html', goog.string.newLineToBr(str, false), html);
assertEquals('Should be xhtml', goog.string.newLineToBr(str, true), xhtml);
}
// === tests for goog.string.htmlEscape and .unescapeEntities ===
function testHtmlEscapeAndUnescapeEntities() {
var text = '"x1 < x2 && y2 > y1"';
var html = '"x1 < x2 && y2 > y1"';
assertEquals('Testing htmlEscape', goog.string.htmlEscape(text), html);
assertEquals('Testing htmlEscape', goog.string.htmlEscape(text, false), html);
assertEquals('Testing htmlEscape', goog.string.htmlEscape(text, true), html);
assertEquals('Testing unescapeEntities',
goog.string.unescapeEntities(html), text);
assertEquals('escape -> unescape',
goog.string.unescapeEntities(goog.string.htmlEscape(text)),
text);
assertEquals('unescape -> escape',
goog.string.htmlEscape(goog.string.unescapeEntities(html)),
html);
}
function testHtmlEscapeAndUnescapeEntitiesUsingDom() {
var text = '"x1 < x2 && y2 > y1"';
var html = '"x1 < x2 && y2 > y1"';
assertEquals('Testing unescapeEntities',
goog.string.unescapeEntitiesUsingDom_(html), text);
assertEquals('escape -> unescape',
goog.string.unescapeEntitiesUsingDom_(
goog.string.htmlEscape(text)), text);
assertEquals('unescape -> escape',
goog.string.htmlEscape(
goog.string.unescapeEntitiesUsingDom_(html)), html);
}
function testHtmlUnescapeEntitiesUsingDom_withAmpersands() {
var html = '<a&b>';
var text = '<a&b>';
assertEquals('wrong unescaped value',
text, goog.string.unescapeEntitiesUsingDom_(html));
}
function testHtmlEscapeAndUnescapePureXmlEntities_() {
var text = '"x1 < x2 && y2 > y1"';
var html = '"x1 < x2 && y2 > y1"';
assertEquals('Testing unescapePureXmlEntities_',
goog.string.unescapePureXmlEntities_(html), text);
assertEquals('escape -> unescape',
goog.string.unescapePureXmlEntities_(
goog.string.htmlEscape(text)), text);
assertEquals('unescape -> escape',
goog.string.htmlEscape(
goog.string.unescapePureXmlEntities_(html)), html);
}
var globalXssVar = 0;
function testXssUnescapeEntities() {
// This tests that we don't have any XSS exploits in unescapeEntities
var test = '&<script defer>globalXssVar=1;</' + 'script>';
var expected = '&<script defer>globalXssVar=1;</' + 'script>';
assertEquals('Testing unescapeEntities', expected,
goog.string.unescapeEntities(test));
assertEquals('unescapeEntities is vulnarable to XSS', 0, globalXssVar);
test = '&<script>globalXssVar=1;</' + 'script>';
expected = '&<script>globalXssVar=1;</' + 'script>';
assertEquals('Testing unescapeEntities', expected,
goog.string.unescapeEntities(test));
assertEquals('unescapeEntities is vulnarable to XSS', 0, globalXssVar);
}
function testXssUnescapeEntitiesUsingDom() {
// This tests that we don't have any XSS exploits in unescapeEntitiesUsingDom
var test = '&<script defer>globalXssVar=1;</' + 'script>';
var expected = '&<script defer>globalXssVar=1;</' + 'script>';
assertEquals('Testing unescapeEntitiesUsingDom_', expected,
goog.string.unescapeEntitiesUsingDom_(test));
assertEquals('unescapeEntitiesUsingDom_ is vulnerable to XSS', 0,
globalXssVar);
test = '&<script>globalXssVar=1;</' + 'script>';
expected = '&<script>globalXssVar=1;</' + 'script>';
assertEquals('Testing unescapeEntitiesUsingDom_', expected,
goog.string.unescapeEntitiesUsingDom_(test));
assertEquals('unescapeEntitiesUsingDom_ is vulnerable to XSS', 0,
globalXssVar);
}
function testXssUnescapePureXmlEntities() {
// This tests that we don't have any XSS exploits in unescapePureXmlEntities
var test = '&<script defer>globalXssVar=1;</' + 'script>';
var expected = '&<script defer>globalXssVar=1;</' + 'script>';
assertEquals('Testing unescapePureXmlEntities_', expected,
goog.string.unescapePureXmlEntities_(test));
assertEquals('unescapePureXmlEntities_ is vulnarable to XSS', 0,
globalXssVar);
test = '&<script>globalXssVar=1;</' + 'script>';
expected = '&<script>globalXssVar=1;</' + 'script>';
assertEquals('Testing unescapePureXmlEntities_', expected,
goog.string.unescapePureXmlEntities_(test));
assertEquals('unescapePureXmlEntities_ is vulnarable to XSS', 0,
globalXssVar);
}
function testUnescapeEntitiesPreservesWhitespace() {
// This tests that whitespace is preserved (primarily for IE)
// Also make sure leading and trailing whitespace are preserved.
var test = '\nTesting\n\twhitespace\n preservation\n';
var expected = test;
assertEquals('Testing unescapeEntities', expected,
goog.string.unescapeEntities(test));
// Now with entities
test += ' & \n';
expected += ' &\u00A0\n';
assertEquals('Testing unescapeEntities', expected,
goog.string.unescapeEntities(test));
}
// === tests for goog.string.whitespaceEscape ===
function testWhiteSpaceEscape() {
assertEquals('Should be the same',
goog.string.whitespaceEscape('one two three four five '),
'one two  three   four    five     ');
}
// === tests for goog.string.stripQuotes ===
function testStripQuotes() {
assertEquals('Quotes should be stripped',
goog.string.stripQuotes('"hello"', '"'),
'hello');
assertEquals('Quotes should be stripped',
goog.string.stripQuotes('\'hello\'', '\''),
'hello');
assertEquals('Quotes should not be stripped',
goog.string.stripQuotes('-"hello"', '"'),
'-"hello"');
}
function testStripQuotesMultiple() {
assertEquals('Quotes should be stripped',
goog.string.stripQuotes('"hello"', '"\''),
'hello');
assertEquals('Quotes should be stripped',
goog.string.stripQuotes('\'hello\'', '"\''),
'hello');
assertEquals('Quotes should be stripped',
goog.string.stripQuotes('\'hello\'', ''),
'\'hello\'');
}
function testStripQuotesMultiple2() {
// Makes sure we do not strip twice
assertEquals('Quotes should be stripped',
goog.string.stripQuotes('"\'hello\'"', '"\''),
'\'hello\'');
assertEquals('Quotes should be stripped',
goog.string.stripQuotes('"\'hello\'"', '\'"'),
'\'hello\'');
}
// === tests for goog.string.truncate ===
function testTruncate() {
var str = 'abcdefghijklmnopqrstuvwxyz';
assertEquals('Should be equal', goog.string.truncate(str, 8), 'abcde...');
assertEquals('Should be equal', goog.string.truncate(str, 11), 'abcdefgh...');
var html = 'true && false == false';
assertEquals('Should clip html char', goog.string.truncate(html, 11),
'true &am...');
assertEquals('Should not clip html char',
goog.string.truncate(html, 12, true),
'true && f...');
}
// === tests for goog.string.truncateMiddle ===
function testTruncateMiddle() {
var str = 'abcdefghijklmnopqrstuvwxyz';
assertEquals('abc...xyz', goog.string.truncateMiddle(str, 6));
assertEquals('abc...yz', goog.string.truncateMiddle(str, 5));
assertEquals(str, goog.string.truncateMiddle(str, str.length));
var html = 'true && false == false';
assertEquals('Should clip html char', 'true &a...= false',
goog.string.truncateMiddle(html, 14));
assertEquals('Should not clip html char',
'true &&...= false',
goog.string.truncateMiddle(html, 14, true));
assertEquals('ab...xyz', goog.string.truncateMiddle(str, 5, null, 3));
assertEquals('abcdefg...xyz', goog.string.truncateMiddle(str, 10, null, 3));
assertEquals('abcdef...wxyz', goog.string.truncateMiddle(str, 10, null, 4));
assertEquals('...yz', goog.string.truncateMiddle(str, 2, null, 3));
assertEquals(str, goog.string.truncateMiddle(str, 50, null, 3));
assertEquals('Should clip html char', 'true &&...lse',
goog.string.truncateMiddle(html, 14, null, 3));
assertEquals('Should not clip html char',
'true && fal...lse',
goog.string.truncateMiddle(html, 14, true, 3));
}
// === goog.string.quote ===
function testQuote() {
var str = allChars();
assertEquals(str, eval(goog.string.quote(str)));
// empty string
assertEquals('', eval(goog.string.quote('')));
// unicode
str = allChars(0, 10000);
assertEquals(str, eval(goog.string.quote(str)));
}
function testQuoteSpecialChars() {
assertEquals('"\\""', goog.string.quote('"'));
assertEquals('"\'"', goog.string.quote("'"));
assertEquals('"\\\\"', goog.string.quote('\\'));
var zeroQuoted = goog.string.quote('\0');
assertTrue(
'goog.string.quote mangles the 0 char: ',
'"\\0"' == zeroQuoted || '"\\x00"' == zeroQuoted);
}
function testCrossBrowserQuote() {
// The vertical space char has weird semantics on jscript, so we don't test
// that one.
var vertChar = '\x0B'.charCodeAt(0);
// The zero char has two alternate encodings (\0 and \x00) both are ok,
// and tested above.
var zeroChar = 0;
var str = allChars(zeroChar + 1, vertChar) + allChars(vertChar + 1, 10000);
var nativeQuote = goog.string.quote(str);
stubs.set(String.prototype, 'quote', null);
assertNull(''.quote);
assertEquals(nativeQuote, goog.string.quote(str));
}
function allChars(opt_start, opt_end) {
opt_start = opt_start || 0;
opt_end = opt_end || 256;
var rv = '';
for (var i = opt_start; i < opt_end; i++) {
rv += String.fromCharCode(i);
}
return rv;
}
function testEscapeString() {
var expected = allChars(0, 10000);
try {
var actual =
eval('"' + goog.string.escapeString(expected) + '"');
} catch (e) {
fail('Quote failed: err ' + e.message);
}
assertEquals(expected, actual);
}
function testCountOf() {
assertEquals(goog.string.countOf('REDSOXROX', undefined), 0);
assertEquals(goog.string.countOf('REDSOXROX', null), 0);
assertEquals(goog.string.countOf('REDSOXROX', ''), 0);
assertEquals(goog.string.countOf('', undefined), 0);
assertEquals(goog.string.countOf('', null), 0);
assertEquals(goog.string.countOf('', ''), 0);
assertEquals(goog.string.countOf('', 'REDSOXROX'), 0);
assertEquals(goog.string.countOf(undefined, 'R'), 0);
assertEquals(goog.string.countOf(null, 'R'), 0);
assertEquals(goog.string.countOf(undefined, undefined), 0);
assertEquals(goog.string.countOf(null, null), 0);
assertEquals(goog.string.countOf('REDSOXROX', 'R'), 2);
assertEquals(goog.string.countOf('REDSOXROX', 'E'), 1);
assertEquals(goog.string.countOf('REDSOXROX', 'X'), 2);
assertEquals(goog.string.countOf('REDSOXROX', 'RED'), 1);
assertEquals(goog.string.countOf('REDSOXROX', 'ROX'), 1);
assertEquals(goog.string.countOf('REDSOXROX', 'OX'), 2);
assertEquals(goog.string.countOf('REDSOXROX', 'Z'), 0);
assertEquals(goog.string.countOf('REDSOXROX', 'REDSOXROX'), 1);
assertEquals(goog.string.countOf('REDSOXROX', 'YANKEES'), 0);
assertEquals(goog.string.countOf('REDSOXROX', 'EVIL_EMPIRE'), 0);
assertEquals(goog.string.countOf('RRRRRRRRR', 'R'), 9);
assertEquals(goog.string.countOf('RRRRRRRRR', 'RR'), 4);
assertEquals(goog.string.countOf('RRRRRRRRR', 'RRR'), 3);
assertEquals(goog.string.countOf('RRRRRRRRR', 'RRRR'), 2);
assertEquals(goog.string.countOf('RRRRRRRRR', 'RRRRR'), 1);
assertEquals(goog.string.countOf('RRRRRRRRR', 'RRRRRR'), 1);
}
function testRemoveAt() {
var str = 'barfoobarbazbar';
str = goog.string.removeAt(str, 0, 3);
assertEquals('Remove first bar', 'foobarbazbar', str);
str = goog.string.removeAt(str, 3, 3);
assertEquals('Remove middle bar', 'foobazbar', str);
str = goog.string.removeAt(str, 6, 3);
assertEquals('Remove last bar', 'foobaz', str);
assertEquals('Invalid negative index', 'foobaz',
goog.string.removeAt(str, -1, 0));
assertEquals('Invalid overflow index', 'foobaz',
goog.string.removeAt(str, 9, 0));
assertEquals('Invalid negative stringLength', 'foobaz',
goog.string.removeAt(str, 0, -1));
assertEquals('Invalid overflow stringLength', '',
goog.string.removeAt(str, 0, 9));
assertEquals('Invalid overflow index and stringLength', 'foobaz',
goog.string.removeAt(str, 9, 9));
assertEquals('Invalid zero stringLength', 'foobaz',
goog.string.removeAt(str, 0, 0));
}
function testRemove() {
var str = 'barfoobarbazbar';
str = goog.string.remove(str, 'bar');
assertEquals('Remove first bar', 'foobarbazbar', str);
str = goog.string.remove(str, 'bar');
assertEquals('Remove middle bar', 'foobazbar', str);
str = goog.string.remove(str, 'bar');
assertEquals('Remove last bar', 'foobaz', str);
str = goog.string.remove(str, 'bar');
assertEquals('Original string', 'foobaz', str);
}
function testRemoveAll() {
var str = 'foobarbazbarfoobazfoo';
str = goog.string.removeAll(str, 'foo');
assertEquals('Remove all occurrences of foo', 'barbazbarbaz', str);
str = goog.string.removeAll(str, 'foo');
assertEquals('Original string', 'barbazbarbaz', str);
}
function testRegExpEscape() {
var spec = '()[]{}+-?*.$^|,:#<!\\';
var escapedSpec = '\\' + spec.split('').join('\\');
assertEquals('special chars', escapedSpec, goog.string.regExpEscape(spec));
assertEquals('backslash b', '\\x08', goog.string.regExpEscape('\b'));
var s = allChars();
var re = new RegExp('^' + goog.string.regExpEscape(s) + '$');
assertTrue('All ASCII', re.test(s));
s = '';
var re = new RegExp('^' + goog.string.regExpEscape(s) + '$');
assertTrue('empty string', re.test(s));
s = allChars(0, 10000);
var re = new RegExp('^' + goog.string.regExpEscape(s) + '$');
assertTrue('Unicode', re.test(s));
}
function testPadNumber() {
assertEquals('01.250', goog.string.padNumber(1.25, 2, 3));
assertEquals('01.25', goog.string.padNumber(1.25, 2));
assertEquals('01.3', goog.string.padNumber(1.25, 2, 1));
assertEquals('1.25', goog.string.padNumber(1.25, 0));
assertEquals('10', goog.string.padNumber(9.9, 2, 0));
assertEquals('7', goog.string.padNumber(7, 0));
assertEquals('7', goog.string.padNumber(7, 1));
assertEquals('07', goog.string.padNumber(7, 2));
}
function testAsString() {
assertEquals('', goog.string.makeSafe(null));
assertEquals('', goog.string.makeSafe(undefined));
assertEquals('', goog.string.makeSafe(''));
assertEquals('abc', goog.string.makeSafe('abc'));
assertEquals('123', goog.string.makeSafe(123));
assertEquals('0', goog.string.makeSafe(0));
assertEquals('true', goog.string.makeSafe(true));
assertEquals('false', goog.string.makeSafe(false));
var funky = function() {};
funky.toString = function() { return 'funky-thing' };
assertEquals('funky-thing', goog.string.makeSafe(funky));
}
function testStringRepeat() {
assertEquals('', goog.string.repeat('*', 0));
assertEquals('*', goog.string.repeat('*', 1));
assertEquals(' ', goog.string.repeat(' ', 5));
assertEquals('__________', goog.string.repeat('_', 10));
assertEquals('aaa', goog.string.repeat('a', 3));
assertEquals('foofoofoofoofoofoo', goog.string.repeat('foo', 6));
}
function testBuildString() {
assertEquals('', goog.string.buildString());
assertEquals('a', goog.string.buildString('a'));
assertEquals('ab', goog.string.buildString('ab'));
assertEquals('ab', goog.string.buildString('a', 'b'));
assertEquals('abcd', goog.string.buildString('a', 'b', 'c', 'd'));
assertEquals('0', goog.string.buildString(0));
assertEquals('0123', goog.string.buildString(0, 1, 2, 3));
assertEquals('ab01', goog.string.buildString('a', 'b', 0, 1));
assertEquals('', goog.string.buildString(null, undefined));
}
function testCompareVersions() {
var f = goog.string.compareVersions;
assertTrue('numeric equality broken', f(1, 1) == 0);
assertTrue('numeric less than broken', f(1.0, 1.1) < 0);
assertTrue('numeric greater than broken', f(2.0, 1.1) > 0);
assertTrue('exact equality broken', f('1.0', '1.0') == 0);
assertTrue('mutlidot equality broken', f('1.0.0.0', '1.0') == 0);
assertTrue('mutlidigit equality broken', f('1.000', '1.0') == 0);
assertTrue('less than broken', f('1.0.2.1', '1.1') < 0);
assertTrue('greater than broken', f('1.1', '1.0.2.1') > 0);
assertTrue('substring less than broken', f('1', '1.1') < 0);
assertTrue('substring greater than broken', f('2.2', '2') > 0);
assertTrue('b greater than broken', f('1.1', '1.1b') > 0);
assertTrue('b less than broken', f('1.1b', '1.1') < 0);
assertTrue('b equality broken', f('1.1b', '1.1b') == 0);
assertTrue('b > a broken', f('1.1b', '1.1a') > 0);
assertTrue('a < b broken', f('1.1a', '1.1b') < 0);
assertTrue('9.5 < 9.10 broken', f('9.5', '9.10') < 0);
assertTrue('9.5 < 9.11 broken', f('9.5', '9.11') < 0);
assertTrue('9.11 > 9.10 broken', f('9.11', '9.10') > 0);
assertTrue('9.1 < 9.10 broken', f('9.1', '9.10') < 0);
assertTrue('9.1.1 < 9.10 broken', f('9.1.1', '9.10') < 0);
assertTrue('9.1.1 < 9.11 broken', f('9.1.1', '9.11') < 0);
assertTrue('10a > 9b broken', f('1.10a', '1.9b') > 0);
assertTrue('b < b2 broken', f('1.1b', '1.1b2') < 0);
assertTrue('b10 > b9 broken', f('1.1b10', '1.1b9') > 0);
assertTrue('7 > 6 broken with leading whitespace', f(' 7', '6') > 0);
assertTrue('7 > 6 broken with trailing whitespace', f('7 ', '6') > 0);
}
function testIsUnicodeChar() {
assertFalse('empty string broken', goog.string.isUnicodeChar(''));
assertFalse('non-single char string broken',
goog.string.isUnicodeChar('abc'));
assertTrue('space broken', goog.string.isUnicodeChar(' '));
assertTrue('single char broken', goog.string.isUnicodeChar('a'));
assertTrue('upper case broken', goog.string.isUnicodeChar('A'));
assertTrue('unicode char broken', goog.string.isUnicodeChar('\u0C07'));
}
function assertHashcodeEquals(expectedHashCode, str) {
assertEquals('wrong hashCode for ' + str.substring(0, 32),
expectedHashCode, goog.string.hashCode(str));
}
/**
* Verify we get random-ish looking values for hash of Strings.
*/
function testHashCode() {
try {
goog.string.hashCode(null);
fail('should throw exception for null');
} catch (ex) {
// success
}
assertHashcodeEquals(0, '');
assertHashcodeEquals(101574, 'foo');
assertHashcodeEquals(1301670364, '\uAAAAfoo');
assertHashcodeEquals(92567585, goog.string.repeat('a', 5));
assertHashcodeEquals(2869595232, goog.string.repeat('a', 6));
assertHashcodeEquals(3058106369, goog.string.repeat('a', 7));
assertHashcodeEquals(312017024, goog.string.repeat('a', 8));
assertHashcodeEquals(2929737728, goog.string.repeat('a', 1024));
}
function testUniqueString() {
var TEST_COUNT = 20;
var obj = {};
for (var i = 0; i < TEST_COUNT; i++) {
obj[goog.string.createUniqueString()] = true;
}
assertEquals('All strings should be unique.', TEST_COUNT,
goog.object.getCount(obj));
}
function testToNumber() {
// First, test the cases goog.string.toNumber() was primarily written for,
// because JS built-ins are dumb.
assertNaN(goog.string.toNumber('123a'));
assertNaN(goog.string.toNumber('123.456.78'));
assertNaN(goog.string.toNumber(''));
assertNaN(goog.string.toNumber(' '));
// Now, sanity-check.
assertEquals(123, goog.string.toNumber(' 123 '));
assertEquals(321.123, goog.string.toNumber('321.123'));
assertEquals(1.00001, goog.string.toNumber('1.00001'));
assertEquals(1, goog.string.toNumber('1.00000'));
assertEquals(0.2, goog.string.toNumber('0.20'));
assertEquals(0, goog.string.toNumber('0'));
assertEquals(0, goog.string.toNumber('0.0'));
assertEquals(-1, goog.string.toNumber('-1'));
assertEquals(-0.3, goog.string.toNumber('-.3'));
assertEquals(-12.345, goog.string.toNumber('-12.345'));
assertEquals(100, goog.string.toNumber('1e2'));
assertEquals(0.123, goog.string.toNumber('12.3e-2'));
assertNaN(goog.string.toNumber('abc'));
}
function testGetRandomString() {
stubs.set(goog, 'now', goog.functions.constant(1295726605874));
stubs.set(Math, 'random', goog.functions.constant(0.6679361383522245));
assertTrue('String must be alphanumeric',
goog.string.isAlphaNumeric(goog.string.getRandomString()));
}
function testToCamelCase() {
assertEquals('OneTwoThree', goog.string.toCamelCase('-one-two-three'));
assertEquals('oneTwoThree', goog.string.toCamelCase('one-two-three'));
assertEquals('oneTwo', goog.string.toCamelCase('one-two'));
assertEquals('one', goog.string.toCamelCase('one'));
assertEquals('oneTwo', goog.string.toCamelCase('oneTwo'));
assertEquals('String value matching a native function name.',
'toString', goog.string.toCamelCase('toString'));
}
function testToSelectorCase() {
assertEquals('-one-two-three', goog.string.toSelectorCase('OneTwoThree'));
assertEquals('one-two-three', goog.string.toSelectorCase('oneTwoThree'));
assertEquals('one-two', goog.string.toSelectorCase('oneTwo'));
assertEquals('one', goog.string.toSelectorCase('one'));
assertEquals('one-two', goog.string.toSelectorCase('one-two'));
assertEquals('String value matching a native function name.',
'to-string', goog.string.toSelectorCase('toString'));
}
function testToTitleCase() {
assertEquals('One', goog.string.toTitleCase('one'));
assertEquals('CamelCase', goog.string.toTitleCase('camelCase'));
assertEquals('Onelongword', goog.string.toTitleCase('onelongword'));
assertEquals('One Two Three', goog.string.toTitleCase('one two three'));
assertEquals('One Two Three',
goog.string.toTitleCase('one two three'));
assertEquals(' Longword ', goog.string.toTitleCase(' longword '));
assertEquals('One-two-three', goog.string.toTitleCase('one-two-three'));
assertEquals('One_two_three', goog.string.toTitleCase('one_two_three'));
assertEquals('String value matching a native function name.',
'ToString', goog.string.toTitleCase('toString'));
// Verify results with no delimiter.
assertEquals('One two three', goog.string.toTitleCase('one two three', ''));
assertEquals('One-two-three', goog.string.toTitleCase('one-two-three', ''));
assertEquals(' onetwothree', goog.string.toTitleCase(' onetwothree', ''));
// Verify results with one delimiter.
assertEquals('One two', goog.string.toTitleCase('one two', '.'));
assertEquals(' one two', goog.string.toTitleCase(' one two', '.'));
assertEquals(' one.Two', goog.string.toTitleCase(' one.two', '.'));
assertEquals('One.Two', goog.string.toTitleCase('one.two', '.'));
assertEquals('One...Two...', goog.string.toTitleCase('one...two...', '.'));
// Verify results with multiple delimiters.
var delimiters = '_-.';
assertEquals('One two three',
goog.string.toTitleCase('one two three', delimiters));
assertEquals(' one two three',
goog.string.toTitleCase(' one two three', delimiters));
assertEquals('One-Two-Three',
goog.string.toTitleCase('one-two-three', delimiters));
assertEquals('One_Two_Three',
goog.string.toTitleCase('one_two_three', delimiters));
assertEquals('One...Two...Three',
goog.string.toTitleCase('one...two...three', delimiters));
assertEquals('One. two. three',
goog.string.toTitleCase('one. two. three', delimiters));
}
function testParseInt() {
// Many example values borrowed from
// http://trac.webkit.org/browser/trunk/LayoutTests/fast/js/kde/
// GlobalObject-expected.txt
// Check non-numbers and strings
assertTrue(isNaN(goog.string.parseInt(undefined)));
assertTrue(isNaN(goog.string.parseInt(null)));
assertTrue(isNaN(goog.string.parseInt({})));
assertTrue(isNaN(goog.string.parseInt('')));
assertTrue(isNaN(goog.string.parseInt(' ')));
assertTrue(isNaN(goog.string.parseInt('a')));
assertTrue(isNaN(goog.string.parseInt('FFAA')));
assertEquals(1, goog.string.parseInt(1))
assertEquals(1234567890123456, goog.string.parseInt(1234567890123456))
assertEquals(2, goog.string.parseInt(' 2.3'));
assertEquals(16, goog.string.parseInt('0x10'));
assertEquals(11, goog.string.parseInt('11'));
assertEquals(15, goog.string.parseInt('0xF'));
assertEquals(15, goog.string.parseInt('0XF'));
assertEquals(3735928559, goog.string.parseInt('0XDEADBEEF'));
assertEquals(3, goog.string.parseInt('3x'));
assertEquals(3, goog.string.parseInt('3 x'));
assertFalse(isFinite(goog.string.parseInt('Infinity')));
assertEquals(15, goog.string.parseInt('15'));
assertEquals(15, goog.string.parseInt('015'));
assertEquals(15, goog.string.parseInt('0xf'));
assertEquals(15, goog.string.parseInt('15'));
assertEquals(15, goog.string.parseInt('0xF'));
assertEquals(15, goog.string.parseInt('15.99'));
assertTrue(isNaN(goog.string.parseInt('FXX123')));
assertEquals(15, goog.string.parseInt('15*3'));
assertEquals(7, goog.string.parseInt('0x7'));
assertEquals(1, goog.string.parseInt('1x7'));
// Strings have no special meaning
assertTrue(isNaN(goog.string.parseInt('Infinity')));
assertTrue(isNaN(goog.string.parseInt('NaN')));
// Test numbers and values
assertEquals(3, goog.string.parseInt(3.3));
assertEquals(-3, goog.string.parseInt(-3.3));
assertEquals(0, goog.string.parseInt(-0));
assertTrue(isNaN(goog.string.parseInt(Infinity)));
assertTrue(isNaN(goog.string.parseInt(NaN)));
assertTrue(isNaN(goog.string.parseInt(Number.POSITIVE_INFINITY)));
assertTrue(isNaN(goog.string.parseInt(Number.NEGATIVE_INFINITY)));
// In Chrome (at least), parseInt(Number.MIN_VALUE) is 5 (5e-324) and
// parseInt(Number.MAX_VALUE) is 1 (1.79...e+308) as they are converted
// to strings. We do not attempt to correct this behavior.
// Additional values for negatives.
assertEquals(-3, goog.string.parseInt('-3'));
assertEquals(-32, goog.string.parseInt('-32 '));
assertEquals(-32, goog.string.parseInt(' -32 '));
assertEquals(-3, goog.string.parseInt('-0x3'));
assertEquals(-50, goog.string.parseInt('-0x32 '));
assertEquals(-243, goog.string.parseInt(' -0xF3 '));
assertTrue(isNaN(goog.string.parseInt(' - 0x32 ')));
}
</script>
</body>
</html>
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