41 lines
1.4 KiB
Plaintext
41 lines
1.4 KiB
Plaintext
"use strict";
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var assert = require("chai").assert
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, coerceToNumber = require("../../number/coerce");
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describe("number/coerce", function () {
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it("Should return input number", function () {
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assert.equal(coerceToNumber(123.123), 123.123);
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});
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it("Should return input infinite number", function () {
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assert.equal(coerceToNumber(Infinity), Infinity);
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});
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it("Should coerce string", function () { assert.equal(coerceToNumber("12"), 12); });
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it("Should coerce booleans", function () { assert.equal(coerceToNumber(true), 1); });
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it("Should coerce number objects", function () {
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assert.equal(coerceToNumber(new Number(343)), 343);
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});
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it("Should coerce objects", function () {
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assert.equal(coerceToNumber({ valueOf: function () { return 23; } }), 23);
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});
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it("Should reject NaN", function () { assert.equal(coerceToNumber(NaN), null); });
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if (typeof Object.create === "function") {
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it("Should not coerce objects with no number representation", function () {
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assert.equal(coerceToNumber(Object.create(null)), null);
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});
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}
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it("Should not coerce null", function () { assert.equal(coerceToNumber(null), null); });
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it("Should not coerce undefined", function () {
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assert.equal(coerceToNumber(undefined), null);
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});
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if (typeof Symbol === "function") {
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it("Should not coerce symbols", function () {
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assert.equal(coerceToNumber(Symbol("foo")), null);
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});
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}
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});
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