jos 6e96d5a808 Merge branch 'develop' into v2
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
2015-04-22 21:43:56 +02:00

84 lines
2.9 KiB
JavaScript

// test fix
var assert = require('assert');
var approx = require('../../../tools/approx');
var math = require('../../../index');
var bignumber = math.bignumber;
var complex = math.complex;
var matrix = math.matrix;
var unit = math.unit;
var range = math.range;
var fix = math.fix;
describe('fix', function() {
it('should round booleans correctly', function () {
assert.equal(fix(true), 1);
assert.equal(fix(false), 0);
});
it('should round null', function () {
assert.equal(math.ceil(null), 0);
});
it('should round numbers correctly', function() {
approx.equal(fix(0), 0);
approx.equal(fix(1), 1);
approx.equal(fix(1.3), 1);
approx.equal(fix(1.8), 1);
approx.equal(fix(2), 2);
approx.equal(fix(-1), -1);
approx.equal(fix(-1.3), -1);
approx.equal(fix(-1.8), -1);
approx.equal(fix(-2), -2);
approx.equal(fix(-2.1), -2);
approx.deepEqual(fix(math.pi), 3);
});
it('should round big numbers correctly', function() {
assert.deepEqual(fix(bignumber(0)), bignumber(0));
assert.deepEqual(fix(bignumber(1)), bignumber(1));
assert.deepEqual(fix(bignumber(1.3)), bignumber(1));
assert.deepEqual(fix(bignumber(1.8)), bignumber(1));
assert.deepEqual(fix(bignumber(2)), bignumber(2));
assert.deepEqual(fix(bignumber(-1)), bignumber(-1));
assert.deepEqual(fix(bignumber(-1.3)), bignumber(-1));
assert.deepEqual(fix(bignumber(-1.8)), bignumber(-1));
assert.deepEqual(fix(bignumber(-2)), bignumber(-2));
assert.deepEqual(fix(bignumber(-2.1)), bignumber(-2));
});
it('should round complex numbers correctly', function() {
// complex
approx.deepEqual(fix(complex(0, 0)), complex(0, 0));
approx.deepEqual(fix(complex(1.3, 1.8)), complex(1, 1));
approx.deepEqual(fix(math.i), complex(0, 1));
approx.deepEqual(fix(complex(-1.3, -1.8)), complex(-1, -1));
});
it('should throw an error on unit as parameter', function() {
// unit
assert.throws(function () {fix(unit('5cm'))}, TypeError, 'Function fix(unit) not supported');
});
it('should throw an error on string as parameter', function() {
// string
assert.throws(function () {fix('hello world')}, TypeError, 'Function fix(string) not supported');
});
it('should correctly round all values of a matrix element-wise', function() {
// matrix, array, range
approx.deepEqual(fix([1.2, 3.4, 5.6, 7.8, 10.0]), [1, 3, 5, 7, 10]);
approx.deepEqual(fix(matrix([1.2, 3.4, 5.6, 7.8, 10.0])), matrix([1, 3, 5, 7, 10]));
});
it('should throw an error in case of invalid number of arguments', function() {
assert.throws(function () {fix()}, /TypeError: Too few arguments/);
assert.throws(function () {fix(1, 2)}, /TypeError: Too many arguments/);
});
it('should LaTeX fix', function () {
var expression = math.parse('fix(0.6)');
assert.equal(expression.toTex(), '\\mathrm{fix}\\left(0.6\\right)');
});
});