Modules

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();
+});