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73 lines
2.5 KiB
JavaScript
73 lines
2.5 KiB
JavaScript
// test bitNot
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var assert = require('assert'),
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math = require('../../../index'),
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error = require('../../../lib/error/index'),
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// bignumber = math.bignumber,
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bitNot = math.bitNot;
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describe('bitNot', function () {
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it('should return bitwise not of a boolean', function () {
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assert.equal(bitNot(true), -2);
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assert.equal(bitNot(false), -1);
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});
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/*it('should return bignumber bitwise not of a boolean', function () {
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var bigmath = math.create({number: 'bignumber'});
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assert.deepEqual(bigmath.bitNot(true), bigmath.bignumber(-2));
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assert.deepEqual(bigmath.bitNot(false), bigmath.bignumber(-1));
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});*/
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it('should return bitwise not of null', function () {
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assert.equal(bitNot(null), -1);
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});
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it('should return bitwise not of a string', function () {
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assert.equal(bitNot('2'), -3);
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assert.equal(bitNot('-2'), 1);
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assert.equal(bitNot('-86e2'), 8599);
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});
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/*it('should return bignumber bitwise not on a string', function() {
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var bigmath = math.create({number: 'bignumber'});
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assert.deepEqual(bigmath.bitNot('2'), bigmath.bignumber(-3));
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assert.deepEqual(bigmath.bitNot('-2'), bigmath.bignumber(1));
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});*/
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it('should perform bitwise not of a number', function () {
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assert.deepEqual(bitNot(2), -3);
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assert.deepEqual(bitNot(-2), 1);
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assert.deepEqual(bitNot(0), -1);
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});
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/*it('should perform bitwise not of a big number', function() {
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assert.deepEqual(bitNot(bignumber(2)), bignumber(-3));
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assert.deepEqual(bitNot(bignumber(-2)), bignumber(1));
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});*/
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it('should throw an error if used with a unit', function() {
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assert.throws(function () {bitNot(math.unit('5cm'))}, error.UnsupportedTypeError);
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});
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it('should perform element-wise bitwise not on a matrix', function () {
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a2 = math.matrix([[1,2],[3,4]]);
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var a7 = bitNot(a2);
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assert.ok(a7 instanceof math.type.Matrix);
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assert.deepEqual(a7.size(), [2,2]);
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assert.deepEqual(a7.valueOf(), [[-2,-3],[-4,-5]]);
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});
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it('should perform element-wise bitwise not on an array', function () {
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assert.deepEqual(bitNot([[1,2],[3,4]]), [[-2,-3],[-4,-5]]);
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});
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it('should throw an error in case of invalid number of arguments', function () {
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assert.throws(function () {bitNot()}, error.ArgumentsError);
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assert.throws(function () {bitNot(1, 2)}, error.ArgumentsError);
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});
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it('should throw an error in case of invalid type of argument', function () {
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assert.throws(function () {bitNot(new Date())}, error.UnsupportedTypeError);
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});
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});
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