bigint-and-object.js (5314B)
1 // Copyright (C) 2017 Josh Wolfe. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 /*--- 4 description: Non-strict equality comparison of BigInt values and non-primitive objects 5 esid: sec-abstract-equality-comparison 6 info: | 7 10. If Type(x) is either String, Number, BigInt, or Symbol and Type(y) is Object, return the result of the comparison x == ? ToPrimitive(y). 8 11. If Type(x) is Object and Type(y) is either String, Number, BigInt, or Symbol, return the result of the comparison ? ToPrimitive(x) == y. 9 10 then after the recursion: 11 12 1. If Type(x) is the same as Type(y), then 13 a. Return the result of performing Strict Equality Comparison x === y. 14 ... 15 6. If Type(x) is BigInt and Type(y) is String, 16 a. Let n be StringToBigInt(y). 17 b. If n is NaN, return false. 18 c. Return the result of x == n. 19 7. If Type(x) is String and Type(y) is BigInt, return the result of y == x. 20 21 features: [BigInt] 22 ---*/ 23 assert.sameValue(0n == Object(0n), true, 'The result of (0n == Object(0n)) is true'); 24 assert.sameValue(Object(0n) == 0n, true, 'The result of (Object(0n) == 0n) is true'); 25 assert.sameValue(0n == Object(1n), false, 'The result of (0n == Object(1n)) is false'); 26 assert.sameValue(Object(1n) == 0n, false, 'The result of (Object(1n) == 0n) is false'); 27 assert.sameValue(1n == Object(0n), false, 'The result of (1n == Object(0n)) is false'); 28 assert.sameValue(Object(0n) == 1n, false, 'The result of (Object(0n) == 1n) is false'); 29 assert.sameValue(1n == Object(1n), true, 'The result of (1n == Object(1n)) is true'); 30 assert.sameValue(Object(1n) == 1n, true, 'The result of (Object(1n) == 1n) is true'); 31 assert.sameValue(2n == Object(0n), false, 'The result of (2n == Object(0n)) is false'); 32 assert.sameValue(Object(0n) == 2n, false, 'The result of (Object(0n) == 2n) is false'); 33 assert.sameValue(2n == Object(1n), false, 'The result of (2n == Object(1n)) is false'); 34 assert.sameValue(Object(1n) == 2n, false, 'The result of (Object(1n) == 2n) is false'); 35 assert.sameValue(2n == Object(2n), true, 'The result of (2n == Object(2n)) is true'); 36 assert.sameValue(Object(2n) == 2n, true, 'The result of (Object(2n) == 2n) is true'); 37 assert.sameValue(0n == {}, false, 'The result of (0n == {}) is false'); 38 assert.sameValue({} == 0n, false, 'The result of (({}) == 0n) is false'); 39 40 assert.sameValue(0n == { 41 valueOf: function() { 42 return 0n; 43 } 44 }, true, 'The result of (0n == {valueOf: function() {return 0n;}}) is true'); 45 46 assert.sameValue({ 47 valueOf: function() { 48 return 0n; 49 } 50 } == 0n, true, 'The result of (({valueOf: function() {return 0n;}}) == 0n) is true'); 51 52 assert.sameValue(0n == { 53 valueOf: function() { 54 return 1n; 55 } 56 }, false, 'The result of (0n == {valueOf: function() {return 1n;}}) is false'); 57 58 assert.sameValue({ 59 valueOf: function() { 60 return 1n; 61 } 62 } == 0n, false, 'The result of (({valueOf: function() {return 1n;}}) == 0n) is false'); 63 64 assert.sameValue(0n == { 65 toString: function() { 66 return '0'; 67 } 68 }, true, 'The result of (0n == {toString: function() {return "0";}}) is true'); 69 70 assert.sameValue({ 71 toString: function() { 72 return '0'; 73 } 74 } == 0n, true, 'The result of (({toString: function() {return "0";}}) == 0n) is true'); 75 76 assert.sameValue(0n == { 77 toString: function() { 78 return '1'; 79 } 80 }, false, 'The result of (0n == {toString: function() {return "1";}}) is false'); 81 82 assert.sameValue({ 83 toString: function() { 84 return '1'; 85 } 86 } == 0n, false, 'The result of (({toString: function() {return "1";}}) == 0n) is false'); 87 88 assert.sameValue(900719925474099101n == { 89 valueOf: function() { 90 return 900719925474099101n; 91 } 92 }, true, 'The result of (900719925474099101n == {valueOf: function() {return 900719925474099101n;}}) is true'); 93 94 assert.sameValue({ 95 valueOf: function() { 96 return 900719925474099101n; 97 } 98 } == 900719925474099101n, true, 'The result of (({valueOf: function() {return 900719925474099101n;}}) == 900719925474099101n) is true'); 99 100 assert.sameValue(900719925474099101n == { 101 valueOf: function() { 102 return 900719925474099102n; 103 } 104 }, false, 'The result of (900719925474099101n == {valueOf: function() {return 900719925474099102n;}}) is false'); 105 106 assert.sameValue({ 107 valueOf: function() { 108 return 900719925474099102n; 109 } 110 } == 900719925474099101n, false, 'The result of (({valueOf: function() {return 900719925474099102n;}}) == 900719925474099101n) is false'); 111 112 assert.sameValue(900719925474099101n == { 113 toString: function() { 114 return '900719925474099101'; 115 } 116 }, true, 'The result of (900719925474099101n == {toString: function() {return "900719925474099101";}}) is true'); 117 118 assert.sameValue({ 119 toString: function() { 120 return '900719925474099101'; 121 } 122 } == 900719925474099101n, true, 'The result of (({toString: function() {return "900719925474099101";}}) == 900719925474099101n) is true'); 123 124 assert.sameValue(900719925474099101n == { 125 toString: function() { 126 return '900719925474099102'; 127 } 128 }, false, 'The result of (900719925474099101n == {toString: function() {return "900719925474099102";}}) is false'); 129 130 assert.sameValue({ 131 toString: function() { 132 return '900719925474099102'; 133 } 134 } == 900719925474099101n, false, 'The result of (({toString: function() {return "900719925474099102";}}) == 900719925474099101n) is false'); 135 136 reportCompare(0, 0);