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codeql-action/node_modules/which-boxed-primitive/test/index.js
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'use strict'; | |
var test = require('tape'); | |
var inspect = require('object-inspect'); | |
var whichBoxedPrimitive = require('..'); | |
var debug = function (v, m) { return inspect(v) + ' ' + m; }; | |
var forEach = function (arr, func) { | |
var i; | |
for (i = 0; i < arr.length; ++i) { | |
func(arr[i], i, arr); | |
} | |
}; | |
var hasSymbols = require('has-symbols')(); | |
var hasBigInts = typeof BigInt === 'function'; | |
var primitives = [ | |
true, | |
false, | |
42, | |
NaN, | |
Infinity, | |
'', | |
'foo' | |
].concat( | |
hasSymbols ? [Symbol(), Symbol.iterator] : [], | |
hasBigInts ? BigInt(42) : [] | |
); | |
var objects = [ | |
/a/g, | |
new Date(), | |
function () {}, | |
[], | |
{} | |
]; | |
test('isBoxedPrimitive', function (t) { | |
t.test('unboxed primitives', function (st) { | |
forEach([null, undefined].concat(primitives), function (primitive) { | |
st.equal(null, whichBoxedPrimitive(primitive), debug(primitive, 'is a primitive, but not a boxed primitive')); | |
}); | |
st.end(); | |
}); | |
t.test('boxed primitives', function (st) { | |
forEach(primitives, function (primitive) { | |
var boxed = Object(primitive); | |
var expected = boxed.constructor.name; | |
st.equal(typeof expected, 'string', 'expected is string'); | |
st.equal(whichBoxedPrimitive(boxed), expected, debug(boxed, 'is a boxed primitive: ' + expected)); | |
}); | |
st.end(); | |
}); | |
t.test('non-primitive objects', function (st) { | |
forEach(objects, function (object) { | |
st.equal(undefined, whichBoxedPrimitive(object), debug(object, 'is not a primitive, boxed or otherwise')); | |
}); | |
st.end(); | |
}); | |
t.end(); | |
}); |