2013-08-19 21:07:45 +02:00

57 lines
1.8 KiB
JavaScript

// test fix
var assert = require('assert'),
approx = require('../../../tools/approx.js'),
math = require('../../../index.js'),
complex = math.complex,
matrix = math.matrix,
unit = math.unit,
range = math.range,
fix = math.fix;
describe('fix', function() {
it('should be parsed correctly', function() {
assert.equal(math.eval('fix(1.3)'), 1);
assert.equal(math.eval('fix(1.8)'), 1);
});
it('should round values 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 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]));
approx.deepEqual(fix(range(1.2, 11, 2.2)), [1, 3, 5, 7, 10]);
});
});