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Conflicts: HISTORY.md bower.json component.json dist/math.js dist/math.map dist/math.min.js lib/function/arithmetic/abs.js lib/function/probability/gamma.js lib/version.js package.json
80 lines
2.8 KiB
JavaScript
80 lines
2.8 KiB
JavaScript
// test floor
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var assert = require('assert');
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var approx = require('../../../tools/approx');
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var math = require('../../../index');
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var bignumber = math.bignumber;
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var complex = math.complex;
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var matrix = math.matrix;
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var unit = math.unit;
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var range = math.range;
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var floor = math.floor;
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describe('floor', function() {
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it('should round booleans correctly', function () {
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assert.equal(floor(true), 1);
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assert.equal(floor(false), 0);
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});
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it('should round null', function () {
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assert.equal(floor(null), 0);
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});
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it('should floor numbers correctly', function() {
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approx.equal(floor(0), 0);
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approx.equal(floor(1), 1);
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approx.equal(floor(1.3), 1);
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approx.equal(floor(1.8), 1);
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approx.equal(floor(2), 2);
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approx.equal(floor(-1), -1);
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approx.equal(floor(-1.3), -2);
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approx.equal(floor(-1.8), -2);
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approx.equal(floor(-2), -2);
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approx.equal(floor(-2.1), -3);
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approx.deepEqual(floor(math.pi), 3);
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});
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it('should floor big numbers correctly', function() {
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assert.deepEqual(floor(bignumber(0)), bignumber(0));
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assert.deepEqual(floor(bignumber(1)), bignumber(1));
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assert.deepEqual(floor(bignumber(1.3)), bignumber(1));
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assert.deepEqual(floor(bignumber(1.8)), bignumber(1));
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assert.deepEqual(floor(bignumber(2)), bignumber(2));
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assert.deepEqual(floor(bignumber(-1)), bignumber(-1));
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assert.deepEqual(floor(bignumber(-1.3)), bignumber(-2));
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assert.deepEqual(floor(bignumber(-1.8)), bignumber(-2));
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assert.deepEqual(floor(bignumber(-2)), bignumber(-2));
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assert.deepEqual(floor(bignumber(-2.1)), bignumber(-3));
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});
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it('should floor complex numbers correctly', function() {
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approx.deepEqual(floor(complex(0, 0)), complex(0, 0));
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approx.deepEqual(floor(complex(1.3, 1.8)), complex(1, 1));
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approx.deepEqual(floor(math.i), complex(0, 1));
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approx.deepEqual(floor(complex(-1.3, -1.8)), complex(-2, -2));
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});
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it('should throw an error with a unit', function() {
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assert.throws(function () {floor(unit('5cm'))}, TypeError, 'Function floor(unit) not supported');
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});
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it('should throw an error with a string', function() {
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assert.throws(function () {floor('hello world')}, TypeError, 'Function floor(string) not supported');
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});
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it('should floor all elements in a matrix', function() {
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approx.deepEqual(floor([1.2, 3.4, 5.6, 7.8, 10.0]), [1, 3, 5, 7, 10]);
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approx.deepEqual(floor(matrix([1.2, 3.4, 5.6, 7.8, 10.0])), matrix([1, 3, 5, 7, 10]));
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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 () {floor()}, /TypeError: Too few arguments/);
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assert.throws(function () {floor(1, 2)}, /TypeError: Too many arguments/);
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});
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it('should LaTeX floor', function () {
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var expression = math.parse('floor(0.6)');
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assert.equal(expression.toTex(), '\\left\\lfloor0.6\\right\\rfloor');
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});
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});
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