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Ensure _.isEqual works on error objects and add tests for cloning and comparing errors and typed arrays.

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This commit is contained in:
John-David Dalton
2014-05-25 23:10:08 -07:00
parent 7da022ebb4
commit cd8d9bf07c
2 changed files with 60 additions and 10 deletions
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57
test/test.js
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@@ -206,6 +206,18 @@
/** Used to check problem JScript properties too */
var shadowedObject = _.invert(shadowedProps);
/** Used to check whether methods support typed arrays */
var typedArrays = [
'Float32Array',
'Int8Array',
'Int16Array',
'Int32Array',
'Uint8Array',
'Uint8ClampedArray',
'Uint16Array',
'Uint32Array'
];
/** Used to check for problems removing whitespace */
var whitespace = ' \t\x0B\f\xA0\ufeff\n\r\u2028\u2029\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000';
@@ -1183,6 +1195,13 @@
'an array-like-object': { '0': 'a', '1': 'b', '2': 'c', '3': '', 'length': 5 },
'boolean': false,
'boolean object': Object(false),
'an Error object': new Error('text'),
'an EvalError object': new EvalError('text'),
'a RangeError object': new RangeError('text'),
'a ReferenceError object': new ReferenceError('text'),
'a SyntaxError object': new SyntaxError('text'),
'a TypeError object': new TypeError('text'),
'a URIError object': new URIError('text'),
'a Klass instance': new Klass,
'an object': { 'a': 0, 'b': 1, 'c': 3 },
'an object with object values': { 'a': /a/, 'b': ['B'], 'c': { 'C': 1 } },
@@ -1243,9 +1262,22 @@
});
});
_.each(typedArrays, function(type) {
test('`_.' + methodName + '` should clone ' + type + ' arrays', 2, function() {
var Ctor = root[type] || Array,
buffer = Ctor == Array ? 4 : new ArrayBuffer(4),
array = new Ctor(buffer),
actual = func(array);
deepEqual(actual, array);
notStrictEqual(actual, array);
});
});
test('`_.' + methodName + '` should clone problem JScript properties (test in IE < 9)', 2, function() {
deepEqual(func(shadowedObject), shadowedObject);
notStrictEqual(func(shadowedObject), shadowedObject);
var actual = func(shadowedObject);
deepEqual(actual, shadowedObject);
notStrictEqual(actual, shadowedObject);
});
test('`_.' + methodName + '` should perform a ' + (isDeep ? 'deep' : 'shallow') + ' clone when used as a callback for `_.map`', 2, function() {
@@ -1284,7 +1316,7 @@
deepEqual(actual, { 'a': { 'b': 'c' } });
});
test('`_.' + methodName + '` should deep clone `index` and `input` array properties', 2, function() {
test('`_.' + methodName + '` should clone `index` and `input` array properties', 2, function() {
var array = /x/.exec('vwxyz'),
actual = func(array);
@@ -1292,7 +1324,7 @@
strictEqual(actual.input, 'vwxyz');
});
test('`_.' + methodName + '` should deep clone `lastIndex` regexp property', 1, function() {
test('`_.' + methodName + '` should clone `lastIndex` regexp property', 1, function() {
// avoid a regexp literal for older Opera and use `exec` for older Safari
var regexp = RegExp('x', 'g');
regexp.exec('vwxyz');
@@ -4779,6 +4811,23 @@
}
});
test('should perform comparisons between typed arrays', 1, function() {
var pairs = _.map(typedArrays, function(type) {
var Ctor = root[type] || Array,
buffer = Ctor == Array ? 4 : new ArrayBuffer(4);
return [new Ctor(buffer), new Ctor(buffer)];
});
var expected = _.times(pairs.length, _.constant(true));
var actual = _.map(pairs, function(pair) {
return _.isEqual(pair[0], pair[1]);
});
deepEqual(actual, expected);
});
test('should perform comparisons between wrapped values', 4, function() {
if (!isNpm) {
var object1 = _({ 'a': 1, 'b': 2 }),