diff --git a/EditDistance/SpecRunner.html b/EditDistance/SpecRunner.html new file mode 100644 index 0000000..8aa077d --- /dev/null +++ b/EditDistance/SpecRunner.html @@ -0,0 +1,41 @@ + + + + Algorithms Meetup Edit Distance Test Suite [Mocha] + + + + + + + + + + + + + + + + + + + +
+ + diff --git a/EditDistance/lib/css/mocha.css b/EditDistance/lib/css/mocha.css new file mode 100644 index 0000000..463fb8b --- /dev/null +++ b/EditDistance/lib/css/mocha.css @@ -0,0 +1,241 @@ +@charset "utf-8"; + +body { + font: 20px/1.5 "Helvetica Neue", Helvetica, Arial, sans-serif; + padding: 60px 50px; +} + +#mocha ul, #mocha li { + margin: 0; + padding: 0; +} + +#mocha ul { + list-style: none; +} + +#mocha h1, #mocha h2 { + margin: 0; +} + +#mocha h1 { + margin-top: 15px; + font-size: 1em; + font-weight: 200; +} + +#mocha h1 a { + text-decoration: none; + color: inherit; +} + +#mocha h1 a:hover { + text-decoration: underline; +} + +#mocha .suite .suite h1 { + margin-top: 0; + font-size: .8em; +} + +.hidden { + display: none; +} + +#mocha h2 { + font-size: 12px; + font-weight: normal; + cursor: pointer; +} + +#mocha .suite { + margin-left: 15px; +} + +#mocha .test { + margin-left: 15px; + overflow: hidden; +} + +#mocha .test.pending:hover h2::after { + content: '(pending)'; + font-family: arial; +} + +#mocha .test.pass.medium .duration { + background: #C09853; +} + +#mocha .test.pass.slow .duration { + background: #B94A48; +} + +#mocha .test.pass::before { + content: '✓'; + font-size: 12px; + display: block; + float: left; + margin-right: 5px; + color: #00d6b2; +} + +#mocha .test.pass .duration { + font-size: 9px; + margin-left: 5px; + padding: 2px 5px; + color: white; + -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.2); + -moz-box-shadow: inset 0 1px 1px rgba(0,0,0,.2); + box-shadow: inset 0 1px 1px rgba(0,0,0,.2); + -webkit-border-radius: 5px; + -moz-border-radius: 5px; + -ms-border-radius: 5px; + -o-border-radius: 5px; + border-radius: 5px; +} + +#mocha .test.pass.fast .duration { + display: none; +} + +#mocha .test.pending { + color: #0b97c4; +} + +#mocha .test.pending::before { + content: '◦'; + color: #0b97c4; +} + +#mocha .test.fail { + color: #c00; +} + +#mocha .test.fail pre { + color: black; +} + +#mocha .test.fail::before { + content: '✖'; + font-size: 12px; + display: block; + float: left; + margin-right: 5px; + color: #c00; +} + +#mocha .test pre.error { + color: #c00; + max-height: 300px; + overflow: auto; +} + +#mocha .test pre { + display: block; + float: left; + clear: left; + font: 12px/1.5 monaco, monospace; + margin: 5px; + padding: 15px; + border: 1px solid #eee; + border-bottom-color: #ddd; + -webkit-border-radius: 3px; + -webkit-box-shadow: 0 1px 3px #eee; + -moz-border-radius: 3px; + -moz-box-shadow: 0 1px 3px #eee; +} + +#mocha .test h2 { + position: relative; +} + +#mocha .test a.replay { + position: absolute; + top: 3px; + right: 0; + text-decoration: none; + vertical-align: middle; + display: block; + width: 15px; + height: 15px; + line-height: 15px; + text-align: center; + background: #eee; + font-size: 15px; + -moz-border-radius: 15px; + border-radius: 15px; + -webkit-transition: opacity 200ms; + -moz-transition: opacity 200ms; + transition: opacity 200ms; + opacity: 0.3; + color: #888; +} + +#mocha .test:hover a.replay { + opacity: 1; +} + +#mocha-report.pass .test.fail { + display: none; +} + +#mocha-report.fail .test.pass { + display: none; +} + +#mocha-error { + color: #c00; + font-size: 1.5 em; + font-weight: 100; + letter-spacing: 1px; +} + +#mocha-stats { + position: fixed; + top: 15px; + right: 10px; + font-size: 12px; + margin: 0; + color: #888; +} + +#mocha-stats .progress { + float: right; + padding-top: 0; +} + +#mocha-stats em { + color: black; +} + +#mocha-stats a { + text-decoration: none; + color: inherit; +} + +#mocha-stats a:hover { + border-bottom: 1px solid #eee; +} + +#mocha-stats li { + display: inline-block; + margin: 0 5px; + list-style: none; + padding-top: 11px; +} + +code .comment { color: #ddd } +code .init { color: #2F6FAD } +code .string { color: #5890AD } +code .keyword { color: #8A6343 } +code .number { color: #2F6FAD } + +@media screen and (max-device-width: 480px) { + body { + padding: 60px 0px; + } + + #stats { + position: absolute; + } +} diff --git a/EditDistance/lib/expect.js b/EditDistance/lib/expect.js new file mode 100644 index 0000000..58c7049 --- /dev/null +++ b/EditDistance/lib/expect.js @@ -0,0 +1,1253 @@ + +(function (global, module) { + + if ('undefined' == typeof module) { + var module = { exports: {} } + , exports = module.exports + } + + /** + * Exports. + */ + + module.exports = expect; + expect.Assertion = Assertion; + + /** + * Exports version. + */ + + expect.version = '0.1.2'; + + /** + * Possible assertion flags. + */ + + var flags = { + not: ['to', 'be', 'have', 'include', 'only'] + , to: ['be', 'have', 'include', 'only', 'not'] + , only: ['have'] + , have: ['own'] + , be: ['an'] + }; + + function expect (obj) { + return new Assertion(obj); + } + + /** + * Constructor + * + * @api private + */ + + function Assertion (obj, flag, parent) { + this.obj = obj; + this.flags = {}; + + if (undefined != parent) { + this.flags[flag] = true; + + for (var i in parent.flags) { + if (parent.flags.hasOwnProperty(i)) { + this.flags[i] = true; + } + } + } + + var $flags = flag ? flags[flag] : keys(flags) + , self = this + + if ($flags) { + for (var i = 0, l = $flags.length; i < l; i++) { + // avoid recursion + if (this.flags[$flags[i]]) continue; + + var name = $flags[i] + , assertion = new Assertion(this.obj, name, this) + + if ('function' == typeof Assertion.prototype[name]) { + // clone the function, make sure we dont touch the prot reference + var old = this[name]; + this[name] = function () { + return old.apply(self, arguments); + } + + for (var fn in Assertion.prototype) { + if (Assertion.prototype.hasOwnProperty(fn) && fn != name) { + this[name][fn] = bind(assertion[fn], assertion); + } + } + } else { + this[name] = assertion; + } + } + } + }; + + /** + * Performs an assertion + * + * @api private + */ + + Assertion.prototype.assert = function (truth, msg, error) { + var msg = this.flags.not ? error : msg + , ok = this.flags.not ? !truth : truth; + + if (!ok) { + throw new Error(msg.call(this)); + } + + this.and = new Assertion(this.obj); + }; + + /** + * Check if the value is truthy + * + * @api public + */ + + Assertion.prototype.ok = function () { + this.assert( + !!this.obj + , function(){ return 'expected ' + i(this.obj) + ' to be truthy' } + , function(){ return 'expected ' + i(this.obj) + ' to be falsy' }); + }; + + /** + * Assert that the function throws. + * + * @param {Function|RegExp} callback, or regexp to match error string against + * @api public + */ + + Assertion.prototype.throwError = + Assertion.prototype.throwException = function (fn) { + expect(this.obj).to.be.a('function'); + + var thrown = false + , not = this.flags.not + + try { + this.obj(); + } catch (e) { + if ('function' == typeof fn) { + fn(e); + } else if ('object' == typeof fn) { + var subject = 'string' == typeof e ? e : e.message; + if (not) { + expect(subject).to.not.match(fn); + } else { + expect(subject).to.match(fn); + } + } + thrown = true; + } + + if ('object' == typeof fn && not) { + // in the presence of a matcher, ensure the `not` only applies to + // the matching. + this.flags.not = false; + } + + var name = this.obj.name || 'fn'; + this.assert( + thrown + , function(){ return 'expected ' + name + ' to throw an exception' } + , function(){ return 'expected ' + name + ' not to throw an exception' }); + }; + + /** + * Checks if the array is empty. + * + * @api public + */ + + Assertion.prototype.empty = function () { + var expectation; + + if ('object' == typeof this.obj && null !== this.obj && !isArray(this.obj)) { + if ('number' == typeof this.obj.length) { + expectation = !this.obj.length; + } else { + expectation = !keys(this.obj).length; + } + } else { + if ('string' != typeof this.obj) { + expect(this.obj).to.be.an('object'); + } + + expect(this.obj).to.have.property('length'); + expectation = !this.obj.length; + } + + this.assert( + expectation + , function(){ return 'expected ' + i(this.obj) + ' to be empty' } + , function(){ return 'expected ' + i(this.obj) + ' to not be empty' }); + return this; + }; + + /** + * Checks if the obj exactly equals another. + * + * @api public + */ + + Assertion.prototype.be = + Assertion.prototype.equal = function (obj) { + this.assert( + obj === this.obj + , function(){ return 'expected ' + i(this.obj) + ' to equal ' + i(obj) } + , function(){ return 'expected ' + i(this.obj) + ' to not equal ' + i(obj) }); + return this; + }; + + /** + * Checks if the obj sortof equals another. + * + * @api public + */ + + Assertion.prototype.eql = function (obj) { + this.assert( + expect.eql(obj, this.obj) + , function(){ return 'expected ' + i(this.obj) + ' to sort of equal ' + i(obj) } + , function(){ return 'expected ' + i(this.obj) + ' to sort of not equal ' + i(obj) }); + return this; + }; + + /** + * Assert within start to finish (inclusive). + * + * @param {Number} start + * @param {Number} finish + * @api public + */ + + Assertion.prototype.within = function (start, finish) { + var range = start + '..' + finish; + this.assert( + this.obj >= start && this.obj <= finish + , function(){ return 'expected ' + i(this.obj) + ' to be within ' + range } + , function(){ return 'expected ' + i(this.obj) + ' to not be within ' + range }); + return this; + }; + + /** + * Assert typeof / instance of + * + * @api public + */ + + Assertion.prototype.a = + Assertion.prototype.an = function (type) { + if ('string' == typeof type) { + // proper english in error msg + var n = /^[aeiou]/.test(type) ? 'n' : ''; + + // typeof with support for 'array' + this.assert( + 'array' == type ? isArray(this.obj) : + 'object' == type + ? 'object' == typeof this.obj && null !== this.obj + : type == typeof this.obj + , function(){ return 'expected ' + i(this.obj) + ' to be a' + n + ' ' + type } + , function(){ return 'expected ' + i(this.obj) + ' not to be a' + n + ' ' + type }); + } else { + // instanceof + var name = type.name || 'supplied constructor'; + this.assert( + this.obj instanceof type + , function(){ return 'expected ' + i(this.obj) + ' to be an instance of ' + name } + , function(){ return 'expected ' + i(this.obj) + ' not to be an instance of ' + name }); + } + + return this; + }; + + /** + * Assert numeric value above _n_. + * + * @param {Number} n + * @api public + */ + + Assertion.prototype.greaterThan = + Assertion.prototype.above = function (n) { + this.assert( + this.obj > n + , function(){ return 'expected ' + i(this.obj) + ' to be above ' + n } + , function(){ return 'expected ' + i(this.obj) + ' to be below ' + n }); + return this; + }; + + /** + * Assert numeric value below _n_. + * + * @param {Number} n + * @api public + */ + + Assertion.prototype.lessThan = + Assertion.prototype.below = function (n) { + this.assert( + this.obj < n + , function(){ return 'expected ' + i(this.obj) + ' to be below ' + n } + , function(){ return 'expected ' + i(this.obj) + ' to be above ' + n }); + return this; + }; + + /** + * Assert string value matches _regexp_. + * + * @param {RegExp} regexp + * @api public + */ + + Assertion.prototype.match = function (regexp) { + this.assert( + regexp.exec(this.obj) + , function(){ return 'expected ' + i(this.obj) + ' to match ' + regexp } + , function(){ return 'expected ' + i(this.obj) + ' not to match ' + regexp }); + return this; + }; + + /** + * Assert property "length" exists and has value of _n_. + * + * @param {Number} n + * @api public + */ + + Assertion.prototype.length = function (n) { + expect(this.obj).to.have.property('length'); + var len = this.obj.length; + this.assert( + n == len + , function(){ return 'expected ' + i(this.obj) + ' to have a length of ' + n + ' but got ' + len } + , function(){ return 'expected ' + i(this.obj) + ' to not have a length of ' + len }); + return this; + }; + + /** + * Assert property _name_ exists, with optional _val_. + * + * @param {String} name + * @param {Mixed} val + * @api public + */ + + Assertion.prototype.property = function (name, val) { + if (this.flags.own) { + this.assert( + Object.prototype.hasOwnProperty.call(this.obj, name) + , function(){ return 'expected ' + i(this.obj) + ' to have own property ' + i(name) } + , function(){ return 'expected ' + i(this.obj) + ' to not have own property ' + i(name) }); + return this; + } + + if (this.flags.not && undefined !== val) { + if (undefined === this.obj[name]) { + throw new Error(i(this.obj) + ' has no property ' + i(name)); + } + } else { + var hasProp; + try { + hasProp = name in this.obj + } catch (e) { + hasProp = undefined !== this.obj[name] + } + + this.assert( + hasProp + , function(){ return 'expected ' + i(this.obj) + ' to have a property ' + i(name) } + , function(){ return 'expected ' + i(this.obj) + ' to not have a property ' + i(name) }); + } + + if (undefined !== val) { + this.assert( + val === this.obj[name] + , function(){ return 'expected ' + i(this.obj) + ' to have a property ' + i(name) + + ' of ' + i(val) + ', but got ' + i(this.obj[name]) } + , function(){ return 'expected ' + i(this.obj) + ' to not have a property ' + i(name) + + ' of ' + i(val) }); + } + + this.obj = this.obj[name]; + return this; + }; + + /** + * Assert that the array contains _obj_ or string contains _obj_. + * + * @param {Mixed} obj|string + * @api public + */ + + Assertion.prototype.string = + Assertion.prototype.contain = function (obj) { + if ('string' == typeof this.obj) { + this.assert( + ~this.obj.indexOf(obj) + , function(){ return 'expected ' + i(this.obj) + ' to contain ' + i(obj) } + , function(){ return 'expected ' + i(this.obj) + ' to not contain ' + i(obj) }); + } else { + this.assert( + ~indexOf(this.obj, obj) + , function(){ return 'expected ' + i(this.obj) + ' to contain ' + i(obj) } + , function(){ return 'expected ' + i(this.obj) + ' to not contain ' + i(obj) }); + } + return this; + }; + + /** + * Assert exact keys or inclusion of keys by using + * the `.own` modifier. + * + * @param {Array|String ...} keys + * @api public + */ + + Assertion.prototype.key = + Assertion.prototype.keys = function ($keys) { + var str + , ok = true; + + $keys = isArray($keys) + ? $keys + : Array.prototype.slice.call(arguments); + + if (!$keys.length) throw new Error('keys required'); + + var actual = keys(this.obj) + , len = $keys.length; + + // Inclusion + ok = every($keys, function (key) { + return ~indexOf(actual, key); + }); + + // Strict + if (!this.flags.not && this.flags.only) { + ok = ok && $keys.length == actual.length; + } + + // Key string + if (len > 1) { + $keys = map($keys, function (key) { + return i(key); + }); + var last = $keys.pop(); + str = $keys.join(', ') + ', and ' + last; + } else { + str = i($keys[0]); + } + + // Form + str = (len > 1 ? 'keys ' : 'key ') + str; + + // Have / include + str = (!this.flags.only ? 'include ' : 'only have ') + str; + + // Assertion + this.assert( + ok + , function(){ return 'expected ' + i(this.obj) + ' to ' + str } + , function(){ return 'expected ' + i(this.obj) + ' to not ' + str }); + + return this; + }; + /** + * Assert a failure. + * + * @param {String ...} custom message + * @api public + */ + Assertion.prototype.fail = function (msg) { + msg = msg || "explicit failure"; + this.assert(false, msg, msg); + return this; + }; + + /** + * Function bind implementation. + */ + + function bind (fn, scope) { + return function () { + return fn.apply(scope, arguments); + } + } + + /** + * Array every compatibility + * + * @see bit.ly/5Fq1N2 + * @api public + */ + + function every (arr, fn, thisObj) { + var scope = thisObj || global; + for (var i = 0, j = arr.length; i < j; ++i) { + if (!fn.call(scope, arr[i], i, arr)) { + return false; + } + } + return true; + }; + + /** + * Array indexOf compatibility. + * + * @see bit.ly/a5Dxa2 + * @api public + */ + + function indexOf (arr, o, i) { + if (Array.prototype.indexOf) { + return Array.prototype.indexOf.call(arr, o, i); + } + + if (arr.length === undefined) { + return -1; + } + + for (var j = arr.length, i = i < 0 ? i + j < 0 ? 0 : i + j : i || 0 + ; i < j && arr[i] !== o; i++); + + return j <= i ? -1 : i; + }; + + // https://gist.github.com/1044128/ + var getOuterHTML = function(element) { + if ('outerHTML' in element) return element.outerHTML; + var ns = "http://www.w3.org/1999/xhtml"; + var container = document.createElementNS(ns, '_'); + var elemProto = (window.HTMLElement || window.Element).prototype; + var xmlSerializer = new XMLSerializer(); + var html; + if (document.xmlVersion) { + return xmlSerializer.serializeToString(element); + } else { + container.appendChild(element.cloneNode(false)); + html = container.innerHTML.replace('><', '>' + element.innerHTML + '<'); + container.innerHTML = ''; + return html; + } + }; + + // Returns true if object is a DOM element. + var isDOMElement = function (object) { + if (typeof HTMLElement === 'object') { + return object instanceof HTMLElement; + } else { + return object && + typeof object === 'object' && + object.nodeType === 1 && + typeof object.nodeName === 'string'; + } + }; + + /** + * Inspects an object. + * + * @see taken from node.js `util` module (copyright Joyent, MIT license) + * @api private + */ + + function i (obj, showHidden, depth) { + var seen = []; + + function stylize (str) { + return str; + }; + + function format (value, recurseTimes) { + // Provide a hook for user-specified inspect functions. + // Check that value is an object with an inspect function on it + if (value && typeof value.inspect === 'function' && + // Filter out the util module, it's inspect function is special + value !== exports && + // Also filter out any prototype objects using the circular check. + !(value.constructor && value.constructor.prototype === value)) { + return value.inspect(recurseTimes); + } + + // Primitive types cannot have properties + switch (typeof value) { + case 'undefined': + return stylize('undefined', 'undefined'); + + case 'string': + var simple = '\'' + json.stringify(value).replace(/^"|"$/g, '') + .replace(/'/g, "\\'") + .replace(/\\"/g, '"') + '\''; + return stylize(simple, 'string'); + + case 'number': + return stylize('' + value, 'number'); + + case 'boolean': + return stylize('' + value, 'boolean'); + } + // For some reason typeof null is "object", so special case here. + if (value === null) { + return stylize('null', 'null'); + } + + if (isDOMElement(value)) { + return getOuterHTML(value); + } + + // Look up the keys of the object. + var visible_keys = keys(value); + var $keys = showHidden ? Object.getOwnPropertyNames(value) : visible_keys; + + // Functions without properties can be shortcutted. + if (typeof value === 'function' && $keys.length === 0) { + if (isRegExp(value)) { + return stylize('' + value, 'regexp'); + } else { + var name = value.name ? ': ' + value.name : ''; + return stylize('[Function' + name + ']', 'special'); + } + } + + // Dates without properties can be shortcutted + if (isDate(value) && $keys.length === 0) { + return stylize(value.toUTCString(), 'date'); + } + + var base, type, braces; + // Determine the object type + if (isArray(value)) { + type = 'Array'; + braces = ['[', ']']; + } else { + type = 'Object'; + braces = ['{', '}']; + } + + // Make functions say that they are functions + if (typeof value === 'function') { + var n = value.name ? ': ' + value.name : ''; + base = (isRegExp(value)) ? ' ' + value : ' [Function' + n + ']'; + } else { + base = ''; + } + + // Make dates with properties first say the date + if (isDate(value)) { + base = ' ' + value.toUTCString(); + } + + if ($keys.length === 0) { + return braces[0] + base + braces[1]; + } + + if (recurseTimes < 0) { + if (isRegExp(value)) { + return stylize('' + value, 'regexp'); + } else { + return stylize('[Object]', 'special'); + } + } + + seen.push(value); + + var output = map($keys, function (key) { + var name, str; + if (value.__lookupGetter__) { + if (value.__lookupGetter__(key)) { + if (value.__lookupSetter__(key)) { + str = stylize('[Getter/Setter]', 'special'); + } else { + str = stylize('[Getter]', 'special'); + } + } else { + if (value.__lookupSetter__(key)) { + str = stylize('[Setter]', 'special'); + } + } + } + if (indexOf(visible_keys, key) < 0) { + name = '[' + key + ']'; + } + if (!str) { + if (indexOf(seen, value[key]) < 0) { + if (recurseTimes === null) { + str = format(value[key]); + } else { + str = format(value[key], recurseTimes - 1); + } + if (str.indexOf('\n') > -1) { + if (isArray(value)) { + str = map(str.split('\n'), function (line) { + return ' ' + line; + }).join('\n').substr(2); + } else { + str = '\n' + map(str.split('\n'), function (line) { + return ' ' + line; + }).join('\n'); + } + } + } else { + str = stylize('[Circular]', 'special'); + } + } + if (typeof name === 'undefined') { + if (type === 'Array' && key.match(/^\d+$/)) { + return str; + } + name = json.stringify('' + key); + if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) { + name = name.substr(1, name.length - 2); + name = stylize(name, 'name'); + } else { + name = name.replace(/'/g, "\\'") + .replace(/\\"/g, '"') + .replace(/(^"|"$)/g, "'"); + name = stylize(name, 'string'); + } + } + + return name + ': ' + str; + }); + + seen.pop(); + + var numLinesEst = 0; + var length = reduce(output, function (prev, cur) { + numLinesEst++; + if (indexOf(cur, '\n') >= 0) numLinesEst++; + return prev + cur.length + 1; + }, 0); + + if (length > 50) { + output = braces[0] + + (base === '' ? '' : base + '\n ') + + ' ' + + output.join(',\n ') + + ' ' + + braces[1]; + + } else { + output = braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1]; + } + + return output; + } + return format(obj, (typeof depth === 'undefined' ? 2 : depth)); + }; + + function isArray (ar) { + return Object.prototype.toString.call(ar) == '[object Array]'; + }; + + function isRegExp(re) { + var s; + try { + s = '' + re; + } catch (e) { + return false; + } + + return re instanceof RegExp || // easy case + // duck-type for context-switching evalcx case + typeof(re) === 'function' && + re.constructor.name === 'RegExp' && + re.compile && + re.test && + re.exec && + s.match(/^\/.*\/[gim]{0,3}$/); + }; + + function isDate(d) { + if (d instanceof Date) return true; + return false; + }; + + function keys (obj) { + if (Object.keys) { + return Object.keys(obj); + } + + var keys = []; + + for (var i in obj) { + if (Object.prototype.hasOwnProperty.call(obj, i)) { + keys.push(i); + } + } + + return keys; + } + + function map (arr, mapper, that) { + if (Array.prototype.map) { + return Array.prototype.map.call(arr, mapper, that); + } + + var other= new Array(arr.length); + + for (var i= 0, n = arr.length; i= 2) { + var rv = arguments[1]; + } else { + do { + if (i in this) { + rv = this[i++]; + break; + } + + // if array contains no values, no initial value to return + if (++i >= len) + throw new TypeError(); + } while (true); + } + + for (; i < len; i++) { + if (i in this) + rv = fun.call(null, rv, this[i], i, this); + } + + return rv; + }; + + /** + * Asserts deep equality + * + * @see taken from node.js `assert` module (copyright Joyent, MIT license) + * @api private + */ + + expect.eql = function eql (actual, expected) { + // 7.1. All identical values are equivalent, as determined by ===. + if (actual === expected) { + return true; + } else if ('undefined' != typeof Buffer + && Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) { + if (actual.length != expected.length) return false; + + for (var i = 0; i < actual.length; i++) { + if (actual[i] !== expected[i]) return false; + } + + return true; + + // 7.2. If the expected value is a Date object, the actual value is + // equivalent if it is also a Date object that refers to the same time. + } else if (actual instanceof Date && expected instanceof Date) { + return actual.getTime() === expected.getTime(); + + // 7.3. Other pairs that do not both pass typeof value == "object", + // equivalence is determined by ==. + } else if (typeof actual != 'object' && typeof expected != 'object') { + return actual == expected; + + // 7.4. For all other Object pairs, including Array objects, equivalence is + // determined by having the same number of owned properties (as verified + // with Object.prototype.hasOwnProperty.call), the same set of keys + // (although not necessarily the same order), equivalent values for every + // corresponding key, and an identical "prototype" property. Note: this + // accounts for both named and indexed properties on Arrays. + } else { + return objEquiv(actual, expected); + } + } + + function isUndefinedOrNull (value) { + return value === null || value === undefined; + } + + function isArguments (object) { + return Object.prototype.toString.call(object) == '[object Arguments]'; + } + + function objEquiv (a, b) { + if (isUndefinedOrNull(a) || isUndefinedOrNull(b)) + return false; + // an identical "prototype" property. + if (a.prototype !== b.prototype) return false; + //~~~I've managed to break Object.keys through screwy arguments passing. + // Converting to array solves the problem. + if (isArguments(a)) { + if (!isArguments(b)) { + return false; + } + a = pSlice.call(a); + b = pSlice.call(b); + return expect.eql(a, b); + } + try{ + var ka = keys(a), + kb = keys(b), + key, i; + } catch (e) {//happens when one is a string literal and the other isn't + return false; + } + // having the same number of owned properties (keys incorporates hasOwnProperty) + if (ka.length != kb.length) + return false; + //the same set of keys (although not necessarily the same order), + ka.sort(); + kb.sort(); + //~~~cheap key test + for (i = ka.length - 1; i >= 0; i--) { + if (ka[i] != kb[i]) + return false; + } + //equivalent values for every corresponding key, and + //~~~possibly expensive deep test + for (i = ka.length - 1; i >= 0; i--) { + key = ka[i]; + if (!expect.eql(a[key], b[key])) + return false; + } + return true; + } + + var json = (function () { + "use strict"; + + if ('object' == typeof JSON && JSON.parse && JSON.stringify) { + return { + parse: nativeJSON.parse + , stringify: nativeJSON.stringify + } + } + + var JSON = {}; + + function f(n) { + // Format integers to have at least two digits. + return n < 10 ? '0' + n : n; + } + + function date(d, key) { + return isFinite(d.valueOf()) ? + d.getUTCFullYear() + '-' + + f(d.getUTCMonth() + 1) + '-' + + f(d.getUTCDate()) + 'T' + + f(d.getUTCHours()) + ':' + + f(d.getUTCMinutes()) + ':' + + f(d.getUTCSeconds()) + 'Z' : null; + }; + + var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, + escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g, + gap, + indent, + meta = { // table of character substitutions + '\b': '\\b', + '\t': '\\t', + '\n': '\\n', + '\f': '\\f', + '\r': '\\r', + '"' : '\\"', + '\\': '\\\\' + }, + rep; + + + function quote(string) { + + // If the string contains no control characters, no quote characters, and no + // backslash characters, then we can safely slap some quotes around it. + // Otherwise we must also replace the offending characters with safe escape + // sequences. + + escapable.lastIndex = 0; + return escapable.test(string) ? '"' + string.replace(escapable, function (a) { + var c = meta[a]; + return typeof c === 'string' ? c : + '\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }) + '"' : '"' + string + '"'; + } + + + function str(key, holder) { + + // Produce a string from holder[key]. + + var i, // The loop counter. + k, // The member key. + v, // The member value. + length, + mind = gap, + partial, + value = holder[key]; + + // If the value has a toJSON method, call it to obtain a replacement value. + + if (value instanceof Date) { + value = date(key); + } + + // If we were called with a replacer function, then call the replacer to + // obtain a replacement value. + + if (typeof rep === 'function') { + value = rep.call(holder, key, value); + } + + // What happens next depends on the value's type. + + switch (typeof value) { + case 'string': + return quote(value); + + case 'number': + + // JSON numbers must be finite. Encode non-finite numbers as null. + + return isFinite(value) ? String(value) : 'null'; + + case 'boolean': + case 'null': + + // If the value is a boolean or null, convert it to a string. Note: + // typeof null does not produce 'null'. The case is included here in + // the remote chance that this gets fixed someday. + + return String(value); + + // If the type is 'object', we might be dealing with an object or an array or + // null. + + case 'object': + + // Due to a specification blunder in ECMAScript, typeof null is 'object', + // so watch out for that case. + + if (!value) { + return 'null'; + } + + // Make an array to hold the partial results of stringifying this object value. + + gap += indent; + partial = []; + + // Is the value an array? + + if (Object.prototype.toString.apply(value) === '[object Array]') { + + // The value is an array. Stringify every element. Use null as a placeholder + // for non-JSON values. + + length = value.length; + for (i = 0; i < length; i += 1) { + partial[i] = str(i, value) || 'null'; + } + + // Join all of the elements together, separated with commas, and wrap them in + // brackets. + + v = partial.length === 0 ? '[]' : gap ? + '[\n' + gap + partial.join(',\n' + gap) + '\n' + mind + ']' : + '[' + partial.join(',') + ']'; + gap = mind; + return v; + } + + // If the replacer is an array, use it to select the members to be stringified. + + if (rep && typeof rep === 'object') { + length = rep.length; + for (i = 0; i < length; i += 1) { + if (typeof rep[i] === 'string') { + k = rep[i]; + v = str(k, value); + if (v) { + partial.push(quote(k) + (gap ? ': ' : ':') + v); + } + } + } + } else { + + // Otherwise, iterate through all of the keys in the object. + + for (k in value) { + if (Object.prototype.hasOwnProperty.call(value, k)) { + v = str(k, value); + if (v) { + partial.push(quote(k) + (gap ? ': ' : ':') + v); + } + } + } + } + + // Join all of the member texts together, separated with commas, + // and wrap them in braces. + + v = partial.length === 0 ? '{}' : gap ? + '{\n' + gap + partial.join(',\n' + gap) + '\n' + mind + '}' : + '{' + partial.join(',') + '}'; + gap = mind; + return v; + } + } + + // If the JSON object does not yet have a stringify method, give it one. + + JSON.stringify = function (value, replacer, space) { + + // The stringify method takes a value and an optional replacer, and an optional + // space parameter, and returns a JSON text. The replacer can be a function + // that can replace values, or an array of strings that will select the keys. + // A default replacer method can be provided. Use of the space parameter can + // produce text that is more easily readable. + + var i; + gap = ''; + indent = ''; + + // If the space parameter is a number, make an indent string containing that + // many spaces. + + if (typeof space === 'number') { + for (i = 0; i < space; i += 1) { + indent += ' '; + } + + // If the space parameter is a string, it will be used as the indent string. + + } else if (typeof space === 'string') { + indent = space; + } + + // If there is a replacer, it must be a function or an array. + // Otherwise, throw an error. + + rep = replacer; + if (replacer && typeof replacer !== 'function' && + (typeof replacer !== 'object' || + typeof replacer.length !== 'number')) { + throw new Error('JSON.stringify'); + } + + // Make a fake root object containing our value under the key of ''. + // Return the result of stringifying the value. + + return str('', {'': value}); + }; + + // If the JSON object does not yet have a parse method, give it one. + + JSON.parse = function (text, reviver) { + // The parse method takes a text and an optional reviver function, and returns + // a JavaScript value if the text is a valid JSON text. + + var j; + + function walk(holder, key) { + + // The walk method is used to recursively walk the resulting structure so + // that modifications can be made. + + var k, v, value = holder[key]; + if (value && typeof value === 'object') { + for (k in value) { + if (Object.prototype.hasOwnProperty.call(value, k)) { + v = walk(value, k); + if (v !== undefined) { + value[k] = v; + } else { + delete value[k]; + } + } + } + } + return reviver.call(holder, key, value); + } + + + // Parsing happens in four stages. In the first stage, we replace certain + // Unicode characters with escape sequences. JavaScript handles many characters + // incorrectly, either silently deleting them, or treating them as line endings. + + text = String(text); + cx.lastIndex = 0; + if (cx.test(text)) { + text = text.replace(cx, function (a) { + return '\\u' + + ('0000' + a.charCodeAt(0).toString(16)).slice(-4); + }); + } + + // In the second stage, we run the text against regular expressions that look + // for non-JSON patterns. We are especially concerned with '()' and 'new' + // because they can cause invocation, and '=' because it can cause mutation. + // But just to be safe, we want to reject all unexpected forms. + + // We split the second stage into 4 regexp operations in order to work around + // crippling inefficiencies in IE's and Safari's regexp engines. First we + // replace the JSON backslash pairs with '@' (a non-JSON character). Second, we + // replace all simple value tokens with ']' characters. Third, we delete all + // open brackets that follow a colon or comma or that begin the text. Finally, + // we look to see that the remaining characters are only whitespace or ']' or + // ',' or ':' or '{' or '}'. If that is so, then the text is safe for eval. + + if (/^[\],:{}\s]*$/ + .test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, '@') + .replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, ']') + .replace(/(?:^|:|,)(?:\s*\[)+/g, ''))) { + + // In the third stage we use the eval function to compile the text into a + // JavaScript structure. The '{' operator is subject to a syntactic ambiguity + // in JavaScript: it can begin a block or an object literal. We wrap the text + // in parens to eliminate the ambiguity. + + j = eval('(' + text + ')'); + + // In the optional fourth stage, we recursively walk the new structure, passing + // each name/value pair to a reviver function for possible transformation. + + return typeof reviver === 'function' ? + walk({'': j}, '') : j; + } + + // If the text is not JSON parseable, then a SyntaxError is thrown. + + throw new SyntaxError('JSON.parse'); + }; + + return JSON; + })(); + + if ('undefined' != typeof window) { + window.expect = module.exports; + } + +})( + this + , 'undefined' != typeof module ? module : {} + , 'undefined' != typeof exports ? exports : {} +); diff --git a/EditDistance/lib/jquery.js b/EditDistance/lib/jquery.js new file mode 100644 index 0000000..50d1b22 --- /dev/null +++ b/EditDistance/lib/jquery.js @@ -0,0 +1,4 @@ +/*! jQuery v1.9.0 | (c) 2005, 2012 jQuery Foundation, Inc. | jquery.org/license */(function(e,t){"use strict";function n(e){var t=e.length,n=st.type(e);return 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