index.js
1 'use strict'; 2 3 var test = require('tape'); 4 var v = require('es-value-fixtures'); 5 var forEach = require('for-each'); 6 var inspect = require('object-inspect'); 7 8 var abs = require('../abs'); 9 var floor = require('../floor'); 10 var isFinite = require('../isFinite'); 11 var isInteger = require('../isInteger'); 12 var isNaN = require('../isNaN'); 13 var isNegativeZero = require('../isNegativeZero'); 14 var max = require('../max'); 15 var min = require('../min'); 16 var mod = require('../mod'); 17 var pow = require('../pow'); 18 var round = require('../round'); 19 var sign = require('../sign'); 20 21 var maxArrayLength = require('../constants/maxArrayLength'); 22 var maxSafeInteger = require('../constants/maxSafeInteger'); 23 var maxValue = require('../constants/maxValue'); 24 25 test('abs', function (t) { 26 t.equal(abs(-1), 1, 'abs(-1) === 1'); 27 t.equal(abs(+1), 1, 'abs(+1) === 1'); 28 t.equal(abs(+0), +0, 'abs(+0) === +0'); 29 t.equal(abs(-0), +0, 'abs(-0) === +0'); 30 31 t.end(); 32 }); 33 34 test('floor', function (t) { 35 t.equal(floor(-1.1), -2, 'floor(-1.1) === -2'); 36 t.equal(floor(+1.1), 1, 'floor(+1.1) === 1'); 37 t.equal(floor(+0), +0, 'floor(+0) === +0'); 38 t.equal(floor(-0), -0, 'floor(-0) === -0'); 39 t.equal(floor(-Infinity), -Infinity, 'floor(-Infinity) === -Infinity'); 40 t.equal(floor(Number(Infinity)), Number(Infinity), 'floor(+Infinity) === +Infinity'); 41 t.equal(floor(NaN), NaN, 'floor(NaN) === NaN'); 42 t.equal(floor(0), +0, 'floor(0) === +0'); 43 t.equal(floor(-0), -0, 'floor(-0) === -0'); 44 t.equal(floor(1), 1, 'floor(1) === 1'); 45 t.equal(floor(-1), -1, 'floor(-1) === -1'); 46 t.equal(floor(1.1), 1, 'floor(1.1) === 1'); 47 t.equal(floor(-1.1), -2, 'floor(-1.1) === -2'); 48 t.equal(floor(maxValue), maxValue, 'floor(maxValue) === maxValue'); 49 t.equal(floor(maxSafeInteger), maxSafeInteger, 'floor(maxSafeInteger) === maxSafeInteger'); 50 51 t.end(); 52 }); 53 54 test('isFinite', function (t) { 55 t.equal(isFinite(0), true, 'isFinite(+0) === true'); 56 t.equal(isFinite(-0), true, 'isFinite(-0) === true'); 57 t.equal(isFinite(1), true, 'isFinite(1) === true'); 58 t.equal(isFinite(Infinity), false, 'isFinite(Infinity) === false'); 59 t.equal(isFinite(-Infinity), false, 'isFinite(-Infinity) === false'); 60 t.equal(isFinite(NaN), false, 'isFinite(NaN) === false'); 61 62 forEach(v.nonNumbers, function (nonNumber) { 63 t.equal(isFinite(nonNumber), false, 'isFinite(' + inspect(nonNumber) + ') === false'); 64 }); 65 66 t.end(); 67 }); 68 69 test('isInteger', function (t) { 70 forEach([].concat( 71 // @ts-expect-error TS sucks with concat 72 v.nonNumbers, 73 v.nonIntegerNumbers 74 ), function (nonInteger) { 75 t.equal(isInteger(nonInteger), false, 'isInteger(' + inspect(nonInteger) + ') === false'); 76 }); 77 78 t.end(); 79 }); 80 81 test('isNaN', function (t) { 82 forEach([].concat( 83 // @ts-expect-error TS sucks with concat 84 v.nonNumbers, 85 v.infinities, 86 v.zeroes, 87 v.integerNumbers 88 ), function (nonNaN) { 89 t.equal(isNaN(nonNaN), false, 'isNaN(' + inspect(nonNaN) + ') === false'); 90 }); 91 92 t.equal(isNaN(NaN), true, 'isNaN(NaN) === true'); 93 94 t.end(); 95 }); 96 97 test('isNegativeZero', function (t) { 98 t.equal(isNegativeZero(-0), true, 'isNegativeZero(-0) === true'); 99 t.equal(isNegativeZero(+0), false, 'isNegativeZero(+0) === false'); 100 t.equal(isNegativeZero(1), false, 'isNegativeZero(1) === false'); 101 t.equal(isNegativeZero(-1), false, 'isNegativeZero(-1) === false'); 102 t.equal(isNegativeZero(NaN), false, 'isNegativeZero(NaN) === false'); 103 t.equal(isNegativeZero(Infinity), false, 'isNegativeZero(Infinity) === false'); 104 t.equal(isNegativeZero(-Infinity), false, 'isNegativeZero(-Infinity) === false'); 105 106 forEach(v.nonNumbers, function (nonNumber) { 107 t.equal(isNegativeZero(nonNumber), false, 'isNegativeZero(' + inspect(nonNumber) + ') === false'); 108 }); 109 110 t.end(); 111 }); 112 113 test('max', function (t) { 114 t.equal(max(1, 2), 2, 'max(1, 2) === 2'); 115 t.equal(max(1, 2, 3), 3, 'max(1, 2, 3) === 3'); 116 t.equal(max(1, 2, 3, 4), 4, 'max(1, 2, 3, 4) === 4'); 117 t.equal(max(1, 2, 3, 4, 5), 5, 'max(1, 2, 3, 4, 5) === 5'); 118 t.equal(max(1, 2, 3, 4, 5, 6), 6, 'max(1, 2, 3, 4, 5, 6) === 6'); 119 t.equal(max(1, 2, 3, 4, 5, 6, 7), 7, 'max(1, 2, 3, 4, 5, 6, 7) === 7'); 120 121 t.end(); 122 }); 123 124 test('min', function (t) { 125 t.equal(min(1, 2), 1, 'min(1, 2) === 1'); 126 t.equal(min(1, 2, 3), 1, 'min(1, 2, 3) === 1'); 127 t.equal(min(1, 2, 3, 4), 1, 'min(1, 2, 3, 4) === 1'); 128 t.equal(min(1, 2, 3, 4, 5), 1, 'min(1, 2, 3, 4, 5) === 1'); 129 t.equal(min(1, 2, 3, 4, 5, 6), 1, 'min(1, 2, 3, 4, 5, 6) === 1'); 130 131 t.end(); 132 }); 133 134 test('mod', function (t) { 135 t.equal(mod(1, 2), 1, 'mod(1, 2) === 1'); 136 t.equal(mod(2, 2), 0, 'mod(2, 2) === 0'); 137 t.equal(mod(3, 2), 1, 'mod(3, 2) === 1'); 138 t.equal(mod(4, 2), 0, 'mod(4, 2) === 0'); 139 t.equal(mod(5, 2), 1, 'mod(5, 2) === 1'); 140 t.equal(mod(6, 2), 0, 'mod(6, 2) === 0'); 141 t.equal(mod(7, 2), 1, 'mod(7, 2) === 1'); 142 t.equal(mod(8, 2), 0, 'mod(8, 2) === 0'); 143 t.equal(mod(9, 2), 1, 'mod(9, 2) === 1'); 144 t.equal(mod(10, 2), 0, 'mod(10, 2) === 0'); 145 t.equal(mod(11, 2), 1, 'mod(11, 2) === 1'); 146 147 t.end(); 148 }); 149 150 test('pow', function (t) { 151 t.equal(pow(2, 2), 4, 'pow(2, 2) === 4'); 152 t.equal(pow(2, 3), 8, 'pow(2, 3) === 8'); 153 t.equal(pow(2, 4), 16, 'pow(2, 4) === 16'); 154 t.equal(pow(2, 5), 32, 'pow(2, 5) === 32'); 155 t.equal(pow(2, 6), 64, 'pow(2, 6) === 64'); 156 t.equal(pow(2, 7), 128, 'pow(2, 7) === 128'); 157 t.equal(pow(2, 8), 256, 'pow(2, 8) === 256'); 158 t.equal(pow(2, 9), 512, 'pow(2, 9) === 512'); 159 t.equal(pow(2, 10), 1024, 'pow(2, 10) === 1024'); 160 161 t.end(); 162 }); 163 164 test('round', function (t) { 165 t.equal(round(1.1), 1, 'round(1.1) === 1'); 166 t.equal(round(1.5), 2, 'round(1.5) === 2'); 167 t.equal(round(1.9), 2, 'round(1.9) === 2'); 168 169 t.end(); 170 }); 171 172 test('sign', function (t) { 173 t.equal(sign(-1), -1, 'sign(-1) === -1'); 174 t.equal(sign(+1), +1, 'sign(+1) === +1'); 175 t.equal(sign(+0), +0, 'sign(+0) === +0'); 176 t.equal(sign(-0), -0, 'sign(-0) === -0'); 177 t.equal(sign(NaN), NaN, 'sign(NaN) === NaN'); 178 t.equal(sign(Infinity), +1, 'sign(Infinity) === +1'); 179 t.equal(sign(-Infinity), -1, 'sign(-Infinity) === -1'); 180 t.equal(sign(maxValue), +1, 'sign(maxValue) === +1'); 181 t.equal(sign(maxSafeInteger), +1, 'sign(maxSafeInteger) === +1'); 182 183 t.end(); 184 }); 185 186 test('constants', function (t) { 187 t.equal(typeof maxArrayLength, 'number', 'typeof maxArrayLength === "number"'); 188 t.equal(typeof maxSafeInteger, 'number', 'typeof maxSafeInteger === "number"'); 189 t.equal(typeof maxValue, 'number', 'typeof maxValue === "number"'); 190 191 t.end(); 192 });