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Add coverage for Set for environments w/o native support.

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John-David Dalton
2014-01-19 23:52:27 -08:00
parent 77fbffdc4b
commit a3d18d0429
3 changed files with 280 additions and 91 deletions
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119
test/test.js
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@@ -151,7 +151,7 @@
var empties = [[], {}].concat(falsey.slice(1));
/** Used as the size when optimizations are enabled for large arrays */
var largeArraySize = 75;
var LARGE_ARRAY_SIZE = 75;
/** Used to set property descriptors */
var defineProperty = (function() {
@@ -192,6 +192,32 @@
});
}
/**
* Sets a non-enumerable property value on `object`.
*
* @private
* @param {Object} object The object augment.
* @param {string} key The name of the property to set.
* @param {*} value The property value.
*/
var setProperty = (function() {
if (!defineProperty) {
return function(object, key, value) {
object[key] = value;
};
}
return function(object, key, value) {
// avoid a bug where overwriting non-enumerable built-ins makes them enumerable
// https://code.google.com/p/v8/issues/detail?id=1623
defineProperty(object, key, {
'configurable': true,
'enumerable': false,
'writable': true,
'value': value
});
};
}());
/**
* Skips a given number of tests with a passing result.
*
@@ -211,8 +237,6 @@
(function() {
if (!amd) {
try {
emptyObject(require.cache);
_.extend(_, require('vm').runInNewContext([
'({',
"'_arguments': (function() { return arguments; }(1, 2, 3)),",
@@ -231,61 +255,60 @@
].join('\n')));
// fake `WinRTError`
global.WinRTError = Error;
setProperty(global, 'WinRTError', Error);
// fake DOM
global.window = {
'document': {
'createDocumentFragment': function() {
return { 'nodeType': 11 };
}
}
};
setProperty(global, 'window', {});
setProperty(global.window, 'document', {});
setProperty(global.window.document, 'createDocumentFragment', function() {
return { 'nodeType': 11 };
});
// add extensions
Function.prototype._method = function() {};
// set bad shims
var _isArray = Array.isArray;
Array.isArray = function() {};
setProperty(Array, 'isArray', function() {});
var _now = Date.now;
Date.now = function() {};
setProperty(Date, 'now', function() {});
var _create = Object.create;
Object.create = function() {};
setProperty(Object, 'create', function() {});
var _defineProperty = Object.defineProperty;
Object.defineProperty = function() {};
setProperty(Object, 'defineProperty', function() {});
var _getPrototypeOf = Object.getPrototypeOf;
Object.getPrototypeOf = function() {};
setProperty(Object, 'getPrototypeOf', function() {});
var _keys = Object.keys;
Object.keys = function() {};
setProperty(Object, 'keys', function() {});
var _contains = String.prototype.contains;
String.prototype.contains = _contains ? function() {} : Boolean;
setProperty(String.prototype, 'contains', _contains ? function() {} : Boolean);
var _trim = String.prototype.trim;
String.prototype.trim = _trim ? function() {} : String;
setProperty(String.prototype, 'trim', _trim ? function() {} : String);
var _trimLeft = String.prototype.trimLeft;
String.prototype.trimLeft = _trimLeft ? function() {} : String;
setProperty(String.prototype, 'trimLeft', _trimLeft ? function() {} : String);
var _trimRight = String.prototype.trimRight;
String.prototype.trimRight = _trimRight ? function() {} : String;
setProperty(String.prototype, 'trimRight', _trimRight ? function() {} : String);
// load Lo-Dash and expose it to the bad extensions/shims
emptyObject(require.cache);
lodashBizarro = (lodashBizarro = require(filePath))._ || lodashBizarro;
// restore native methods
Array.isArray = _isArray;
Date.now = _now;
Object.create = _create;
Object.defineProperty = _defineProperty;
Object.getPrototypeOf = _getPrototypeOf;
Object.keys = _keys;
setProperty(Array, 'isArray', _isArray);
setProperty(Date, 'now', _now);
setProperty(Object, 'create', _create);
setProperty(Object, 'defineProperty', _defineProperty);
setProperty(Object, 'getPrototypeOf', _getPrototypeOf);
setProperty(Object, 'keys', _keys);
_.forOwn({
'contains': _contains,
@@ -295,14 +318,7 @@
},
function(func, key) {
if (func) {
// avoid a bug where overwriting non-enumerable built-ins makes them enumerable
// https://code.google.com/p/v8/issues/detail?id=1623
defineProperty(String.prototype, key, {
'configurable': true,
'enumerable': false,
'writable': true,
'value': func
});
setProperty(String.prototype, key, func);
} else {
delete String.prototype[key];
}
@@ -2030,7 +2046,7 @@
});
test('should work with large arrays', 1, function() {
var array1 = _.range(largeArraySize),
var array1 = _.range(LARGE_ARRAY_SIZE),
array2 = array1.slice(),
a = {},
b = {},
@@ -2045,7 +2061,7 @@
test('should work with large arrays of objects', 1, function() {
var object = {};
var largeArray = _.times(largeArraySize, function() {
var largeArray = _.times(LARGE_ARRAY_SIZE, function() {
return object;
});
@@ -2948,7 +2964,7 @@
stringObject = Object(stringLiteral),
expected = [stringLiteral, stringObject];
var largeArray = _.times(largeArraySize, function(count) {
var largeArray = _.times(LARGE_ARRAY_SIZE, function(count) {
return count % 2 ? stringObject : stringLiteral;
});
@@ -3227,6 +3243,10 @@
var array = [1, new Foo, 3, new Foo],
indexOf = _.indexOf;
var largeArray = _.times(LARGE_ARRAY_SIZE, function() {
return new Foo;
});
test('`_.contains` should work with a custom `_.indexOf` method', 1, function() {
if (!isModularize) {
_.indexOf = custom;
@@ -3238,25 +3258,27 @@
}
});
test('`_.difference` should work with a custom `_.indexOf` method', 1, function() {
test('`_.difference` should work with a custom `_.indexOf` method', 2, function() {
if (!isModularize) {
_.indexOf = custom;
deepEqual(_.difference(array, [new Foo]), [1, 3]);
deepEqual(_.difference(array, largeArray), [1, 3]);
_.indexOf = indexOf;
}
else {
skipTest();
skipTest(2);
}
});
test('`_.intersection` should work with a custom `_.indexOf` method', 1, function() {
test('`_.intersection` should work with a custom `_.indexOf` method', 2, function() {
if (!isModularize) {
_.indexOf = custom;
deepEqual(_.intersection(array, [new Foo]), [array[1]]);
deepEqual(_.intersection(largeArray, [new Foo]), [array[1]]);
_.indexOf = indexOf;
}
else {
skipTest();
skipTest(2);
}
});
@@ -3264,11 +3286,6 @@
if (!isModularize) {
_.indexOf = custom;
deepEqual(_.uniq(array), array.slice(0, 3));
var largeArray = _.times(largeArraySize, function() {
return new Foo;
});
deepEqual(_.uniq(largeArray), [largeArray[0]]);
_.indexOf = indexOf;
}
@@ -3388,7 +3405,7 @@
var object = {},
expected = [object];
var largeArray = _.times(largeArraySize, function() {
var largeArray = _.times(LARGE_ARRAY_SIZE, function() {
return object;
});
@@ -8202,7 +8219,7 @@
test('should work with large arrays', 1, function() {
var object = {};
var largeArray = _.times(largeArraySize, function(index) {
var largeArray = _.times(LARGE_ARRAY_SIZE, function(index) {
switch (index % 3) {
case 0: return 0;
case 1: return 'a';
@@ -8247,7 +8264,7 @@
test('should work with large arrays of boolean, `null`, and `undefined` values', 1, function() {
var array = [],
expected = [true, false, null, undefined],
count = Math.ceil(largeArraySize / expected.length);
count = Math.ceil(LARGE_ARRAY_SIZE / expected.length);
_.times(count, function() {
push.apply(array, expected);
@@ -8258,7 +8275,7 @@
test('should distinguish between numbers and numeric strings', 1, function() {
var array = [],
expected = ['2', 2, Object('2'), Object(2)],
count = Math.ceil(largeArraySize / expected.length);
count = Math.ceil(LARGE_ARRAY_SIZE / expected.length);
_.times(count, function() {
push.apply(array, expected);