diff options
Diffstat (limited to 'deps/npm/node_modules/has-symbols/test')
4 files changed, 132 insertions, 0 deletions
diff --git a/deps/npm/node_modules/has-symbols/test/index.js b/deps/npm/node_modules/has-symbols/test/index.js new file mode 100644 index 0000000000..352129ca35 --- /dev/null +++ b/deps/npm/node_modules/has-symbols/test/index.js @@ -0,0 +1,22 @@ +'use strict'; + +var test = require('tape'); +var hasSymbols = require('../'); +var runSymbolTests = require('./tests'); + +test('interface', function (t) { + t.equal(typeof hasSymbols, 'function', 'is a function'); + t.equal(typeof hasSymbols(), 'boolean', 'returns a boolean'); + t.end(); +}); + +test('Symbols are supported', { skip: !hasSymbols() }, function (t) { + runSymbolTests(t); + t.end(); +}); + +test('Symbols are not supported', { skip: hasSymbols() }, function (t) { + t.equal(typeof Symbol, 'undefined', 'global Symbol is undefined'); + t.equal(typeof Object.getOwnPropertySymbols, 'undefined', 'Object.getOwnPropertySymbols does not exist'); + t.end(); +}); diff --git a/deps/npm/node_modules/has-symbols/test/shams/core-js.js b/deps/npm/node_modules/has-symbols/test/shams/core-js.js new file mode 100644 index 0000000000..df5365c23e --- /dev/null +++ b/deps/npm/node_modules/has-symbols/test/shams/core-js.js @@ -0,0 +1,28 @@ +'use strict'; + +var test = require('tape'); + +if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') { + test('has native Symbol support', function (t) { + t.equal(typeof Symbol, 'function'); + t.equal(typeof Symbol(), 'symbol'); + t.end(); + }); + return; +} + +var hasSymbols = require('../../shams'); + +test('polyfilled Symbols', function (t) { + /* eslint-disable global-require */ + t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling'); + require('core-js/fn/symbol'); + require('core-js/fn/symbol/to-string-tag'); + + require('../tests')(t); + + var hasSymbolsAfter = hasSymbols(); + t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling'); + /* eslint-enable global-require */ + t.end(); +}); diff --git a/deps/npm/node_modules/has-symbols/test/shams/get-own-property-symbols.js b/deps/npm/node_modules/has-symbols/test/shams/get-own-property-symbols.js new file mode 100644 index 0000000000..9191b248ba --- /dev/null +++ b/deps/npm/node_modules/has-symbols/test/shams/get-own-property-symbols.js @@ -0,0 +1,28 @@ +'use strict'; + +var test = require('tape'); + +if (typeof Symbol === 'function' && typeof Symbol() === 'symbol') { + test('has native Symbol support', function (t) { + t.equal(typeof Symbol, 'function'); + t.equal(typeof Symbol(), 'symbol'); + t.end(); + }); + return; +} + +var hasSymbols = require('../../shams'); + +test('polyfilled Symbols', function (t) { + /* eslint-disable global-require */ + t.equal(hasSymbols(), false, 'hasSymbols is false before polyfilling'); + + require('get-own-property-symbols'); + + require('../tests')(t); + + var hasSymbolsAfter = hasSymbols(); + t.equal(hasSymbolsAfter, true, 'hasSymbols is true after polyfilling'); + /* eslint-enable global-require */ + t.end(); +}); diff --git a/deps/npm/node_modules/has-symbols/test/tests.js b/deps/npm/node_modules/has-symbols/test/tests.js new file mode 100644 index 0000000000..93ff0eae90 --- /dev/null +++ b/deps/npm/node_modules/has-symbols/test/tests.js @@ -0,0 +1,54 @@ +'use strict'; + +module.exports = function runSymbolTests(t) { + t.equal(typeof Symbol, 'function', 'global Symbol is a function'); + + if (typeof Symbol !== 'function') { return false }; + + t.notEqual(Symbol(), Symbol(), 'two symbols are not equal'); + + /* + t.equal( + Symbol.prototype.toString.call(Symbol('foo')), + Symbol.prototype.toString.call(Symbol('foo')), + 'two symbols with the same description stringify the same' + ); + */ + + var foo = Symbol('foo'); + + /* + t.notEqual( + String(foo), + String(Symbol('bar')), + 'two symbols with different descriptions do not stringify the same' + ); + */ + + t.equal(typeof Symbol.prototype.toString, 'function', 'Symbol#toString is a function'); + // t.equal(String(foo), Symbol.prototype.toString.call(foo), 'Symbol#toString equals String of the same symbol'); + + t.equal(typeof Object.getOwnPropertySymbols, 'function', 'Object.getOwnPropertySymbols is a function'); + + var obj = {}; + var sym = Symbol('test'); + var symObj = Object(sym); + t.notEqual(typeof sym, 'string', 'Symbol is not a string'); + t.equal(Object.prototype.toString.call(sym), '[object Symbol]', 'symbol primitive Object#toStrings properly'); + t.equal(Object.prototype.toString.call(symObj), '[object Symbol]', 'symbol primitive Object#toStrings properly'); + + var symVal = 42; + obj[sym] = symVal; + for (sym in obj) { t.fail('symbol property key was found in for..in of object'); } + + t.deepEqual(Object.keys(obj), [], 'no enumerable own keys on symbol-valued object'); + t.deepEqual(Object.getOwnPropertyNames(obj), [], 'no own names on symbol-valued object'); + t.deepEqual(Object.getOwnPropertySymbols(obj), [sym], 'one own symbol on symbol-valued object'); + t.equal(Object.prototype.propertyIsEnumerable.call(obj, sym), true, 'symbol is enumerable'); + t.deepEqual(Object.getOwnPropertyDescriptor(obj, sym), { + configurable: true, + enumerable: true, + value: 42, + writable: true + }, 'property descriptor is correct'); +}; |