gskachkov@gmail.com | 9ddd884 | 2016-08-10 22:32:48 +0000 | [diff] [blame] | 1 | var obj = Object.create({ a: "qux", d: "qux" }); |
| 2 | obj.a = "foo"; obj.b = "bar"; obj.c = "baz"; |
| 3 | var values = Object.values(obj); |
| 4 | var passed = Array.isArray(values) && String(values) === "foo,bar,baz"; |
| 5 | |
| 6 | if (!passed) |
| 7 | throw new Error("Object.values return wrong result."); |
| 8 | |
| 9 | var complexObject = { |
| 10 | obj : { |
| 11 | a: 'x', |
| 12 | b: 'y' |
| 13 | }, |
| 14 | primitive : 'z' |
| 15 | }; |
| 16 | |
| 17 | passed = false; |
| 18 | values = Object.values(complexObject); |
| 19 | |
gskachkov@gmail.com | a487b35 | 2016-08-12 20:46:24 +0000 | [diff] [blame] | 20 | passed = values.length === 2 && values[0].a === 'x' && values[0].b === 'y' && values[1] === 'z'; |
gskachkov@gmail.com | 9ddd884 | 2016-08-10 22:32:48 +0000 | [diff] [blame] | 21 | |
| 22 | if (!passed) |
| 23 | throw new Error("Object.values return wrong result."); |
| 24 | |
| 25 | values = Object.values({ a: 'abcdef' }); |
| 26 | |
gskachkov@gmail.com | a487b35 | 2016-08-12 20:46:24 +0000 | [diff] [blame] | 27 | passed = values.length === 1 && values[0] === 'abcdef'; |
gskachkov@gmail.com | 9ddd884 | 2016-08-10 22:32:48 +0000 | [diff] [blame] | 28 | |
| 29 | if (!passed) |
| 30 | throw new Error("Object.values return wrong result."); |
| 31 | |
| 32 | var primitives = [ |
| 33 | ["string", ['s', 't', 'r', 'i', 'n', 'g']], |
| 34 | [42, []], |
| 35 | [Symbol("symbol"), []], |
| 36 | [true, []], |
| 37 | [false, []] |
| 38 | ]; |
| 39 | |
| 40 | function compare(ax, bx) { |
| 41 | if (ax.length !== bx.length) |
| 42 | return false; |
| 43 | for (var i = 0, iz = ax.length; i < iz; ++i) { |
| 44 | if (ax[i] !== bx[i]) |
| 45 | return false; |
| 46 | } |
| 47 | return true; |
| 48 | } |
| 49 | |
| 50 | for (var [primitive, expected] of primitives) { |
| 51 | var ret = Object.values(primitive); |
| 52 | if (!compare(ret, expected)) |
| 53 | throw new Error("bad value for " + String(primitive) + ": " + String(ret)); |
| 54 | } |
| 55 | |
| 56 | [ |
| 57 | [ null, "TypeError: Object.values requires that input parameter not be null or undefined" ], |
| 58 | [ undefined, "TypeError: Object.values requires that input parameter not be null or undefined" ] |
| 59 | ].forEach(function ([value, message]) { |
| 60 | var error = null; |
| 61 | try { |
| 62 | Object.values(value); |
| 63 | } catch (e) { |
| 64 | error = e; |
| 65 | } |
| 66 | if (!error) |
| 67 | throw new Error("error not thrown"); |
| 68 | if (String(error) !== message) |
| 69 | throw new Error("bad error: " + String(error)); |
| 70 | }); |
| 71 | |
| 72 | const getInvokedFunctions = (obj) => { |
| 73 | let arr = [] |
| 74 | let p = new Proxy(obj, { |
| 75 | ownKeys: function(...args) { |
| 76 | arr.push("ownKeys"); |
| 77 | return Reflect.ownKeys(...args); |
| 78 | }, |
| 79 | getOwnPropertyDescriptor: function(...args) { |
| 80 | arr.push("getOwnPropertyDescriptor"); |
| 81 | return Reflect.getOwnPropertyDescriptor(...args); |
| 82 | } |
| 83 | }); |
| 84 | |
| 85 | Object.values(p); |
| 86 | return arr; |
| 87 | }; |
| 88 | |
| 89 | const arr1 = getInvokedFunctions({}); |
| 90 | passed = arr1.length === 1 && arr1[0] === "ownKeys"; |
| 91 | |
| 92 | if (!passed) |
| 93 | throw new Error("Object.values should invoke ownkeys."); |
| 94 | |
| 95 | const arr2 = getInvokedFunctions({a:'foo', b:'boo'}); |
gskachkov@gmail.com | a487b35 | 2016-08-12 20:46:24 +0000 | [diff] [blame] | 96 | passed = arr2.length === 3 && arr2[0] === "ownKeys"; |
gskachkov@gmail.com | 9ddd884 | 2016-08-10 22:32:48 +0000 | [diff] [blame] | 97 | |
| 98 | if (!passed) |
| 99 | throw new Error("Object.values should invoke ownkeys."); |
| 100 | |
| 101 | passed = arr2[1] === "getOwnPropertyDescriptor"; |
| 102 | |
| 103 | if (!passed) |
| 104 | throw new Error("Object.values should get property descriptor."); |
| 105 | |
| 106 | Array.prototype.push = function () { throw new Error("Array.prototype.push should not be used during invoking of Object.values.")}; |
gskachkov@gmail.com | bb1103e | 2016-08-14 23:04:50 +0000 | [diff] [blame] | 107 | Object.getOwnPropertyDescriptor = function () { throw new Error("Array.prototype.getOwnPropertyDescriptor should not be used during invoking of Object.values.")}; |
gskachkov@gmail.com | 9ddd884 | 2016-08-10 22:32:48 +0000 | [diff] [blame] | 108 | |
| 109 | values = Object.values({a:'1-2', b:'3-4'}); |
| 110 | passed = Array.isArray(values) && String(values) === "1-2,3-4"; |
| 111 | |
| 112 | if (!passed) |
| 113 | throw new Error("Object.values return wrong result."); |