diff options
Diffstat (limited to 'node_modules/define-properties/test')
-rw-r--r-- | node_modules/define-properties/test/index.js | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/node_modules/define-properties/test/index.js b/node_modules/define-properties/test/index.js deleted file mode 100644 index 3387f6b..0000000 --- a/node_modules/define-properties/test/index.js +++ /dev/null @@ -1,125 +0,0 @@ -'use strict'; - -var define = require('../'); -var test = require('tape'); -var keys = require('object-keys'); - -var arePropertyDescriptorsSupported = function () { - var obj = { a: 1 }; - try { - Object.defineProperty(obj, 'x', { value: obj }); - return obj.x === obj; - } catch (e) { /* this is IE 8. */ - return false; - } -}; -var descriptorsSupported = !!Object.defineProperty && arePropertyDescriptorsSupported(); - -var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol'; - -test('defineProperties', function (dt) { - dt.test('with descriptor support', { skip: !descriptorsSupported }, function (t) { - var getDescriptor = function (value) { - return { - configurable: true, - enumerable: false, - value: value, - writable: true - }; - }; - - var obj = { - a: 1, - b: 2, - c: 3 - }; - t.deepEqual(keys(obj), ['a', 'b', 'c'], 'all literal-set keys start enumerable'); - define(obj, { - b: 3, - c: 4, - d: 5 - }); - t.deepEqual(obj, { - a: 1, - b: 2, - c: 3 - }, 'existing properties were not overridden'); - t.deepEqual(Object.getOwnPropertyDescriptor(obj, 'd'), getDescriptor(5), 'new property "d" was added and is not enumerable'); - t.deepEqual(['a', 'b', 'c'], keys(obj), 'new keys are not enumerable'); - - define(obj, { - a: 2, - b: 3, - c: 4 - }, { - a: function () { return true; }, - b: function () { return false; } - }); - t.deepEqual(obj, { - b: 2, - c: 3 - }, 'properties only overriden when predicate exists and returns true'); - t.deepEqual(Object.getOwnPropertyDescriptor(obj, 'd'), getDescriptor(5), 'existing property "d" remained and is not enumerable'); - t.deepEqual(Object.getOwnPropertyDescriptor(obj, 'a'), getDescriptor(2), 'existing property "a" was overridden and is not enumerable'); - t.deepEqual(['b', 'c'], keys(obj), 'overridden keys are not enumerable'); - - t.end(); - }); - - dt.test('without descriptor support', { skip: descriptorsSupported }, function (t) { - var obj = { - a: 1, - b: 2, - c: 3 - }; - define(obj, { - b: 3, - c: 4, - d: 5 - }); - t.deepEqual(obj, { - a: 1, - b: 2, - c: 3, - d: 5 - }, 'existing properties were not overridden, new properties were added'); - - define(obj, { - a: 2, - b: 3, - c: 4 - }, { - a: function () { return true; }, - b: function () { return false; } - }); - t.deepEqual(obj, { - a: 2, - b: 2, - c: 3, - d: 5 - }, 'properties only overriden when predicate exists and returns true'); - - t.end(); - }); - - dt.end(); -}); - -test('symbols', { skip: !hasSymbols }, function (t) { - var sym = Symbol('foo'); - var obj = {}; - var aValue = {}; - var bValue = {}; - var properties = { a: aValue }; - properties[sym] = bValue; - - define(obj, properties); - - t.deepEqual(Object.keys(obj), [], 'object has no enumerable keys'); - t.deepEqual(Object.getOwnPropertyNames(obj), ['a'], 'object has non-enumerable "a" key'); - t.deepEqual(Object.getOwnPropertySymbols(obj), [sym], 'object has non-enumerable symbol key'); - t.equal(obj.a, aValue, 'string keyed value is defined'); - t.equal(obj[sym], bValue, 'symbol keyed value is defined'); - - t.end(); -}); |