From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001 From: ruki Date: Thu, 8 Nov 2018 00:38:48 +0800 Subject: switch to vuepress --- node_modules/object.assign/test/native.js | 47 +++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 node_modules/object.assign/test/native.js (limited to 'node_modules/object.assign/test/native.js') diff --git a/node_modules/object.assign/test/native.js b/node_modules/object.assign/test/native.js new file mode 100644 index 00000000..6ebd70bb --- /dev/null +++ b/node_modules/object.assign/test/native.js @@ -0,0 +1,47 @@ +'use strict'; + +var test = require('tape'); +var defineProperties = require('define-properties'); +var isEnumerable = Object.prototype.propertyIsEnumerable; +var functionsHaveNames = function f() {}.name === 'f'; + +var runTests = require('./tests'); + +test('native', function (t) { + t.equal(Object.assign.length, 2, 'Object.assign has a length of 2'); + t.test('Function name', { skip: !functionsHaveNames }, function (st) { + st.equal(Object.assign.name, 'assign', 'Object.assign has name "assign"'); + st.end(); + }); + + t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) { + et.equal(false, isEnumerable.call(Object, 'assign'), 'Object.assign is not enumerable'); + et.end(); + }); + + var supportsStrictMode = (function () { return typeof this === 'undefined'; }()); + + t.test('bad object value', { skip: !supportsStrictMode }, function (st) { + st['throws'](function () { return Object.assign(undefined); }, TypeError, 'undefined is not an object'); + st['throws'](function () { return Object.assign(null); }, TypeError, 'null is not an object'); + st.end(); + }); + + // v8 in node 0.8 and 0.10 have non-enumerable string properties + var stringCharsAreEnumerable = isEnumerable.call('xy', 0); + t.test('when Object.assign is present and has pending exceptions', { skip: !stringCharsAreEnumerable || !Object.preventExtensions }, function (st) { + // Firefox 37 still has "pending exception" logic in its Object.assign implementation, + // which is 72% slower than our shim, and Firefox 40's native implementation. + var thrower = Object.preventExtensions({ 1: '2' }); + var error; + try { Object.assign(thrower, 'xy'); } catch (e) { error = e; } + st.equal(error instanceof TypeError, true, 'error is TypeError'); + st.equal(thrower[1], '2', 'thrower[1] === "2"'); + + st.end(); + }); + + runTests(Object.assign, t); + + t.end(); +}); -- cgit v1.2.3