Current File : /var/www/html/node_modules/which-boxed-primitive/test/index.js
'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();
});
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