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57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
// test ceil
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var assert = require('assert'),
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approx = require('../../../tools/approx.js'),
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math = require('../../../index.js'),
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complex = math.complex,
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matrix = math.matrix,
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unit = math.unit,
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range = math.range,
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ceil = math.ceil;
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describe('ceil', function() {
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it('should be parsed correctly', function() {
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assert.equal(math.eval('ceil(1.3)'), 2);
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assert.equal(math.eval('ceil(1.8)'), 2);
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});
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it('should return the ceil of a number', function() {
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approx.equal(ceil(0), 0);
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approx.equal(ceil(1), 1);
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approx.equal(ceil(1.3), 2);
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approx.equal(ceil(1.8), 2);
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approx.equal(ceil(2), 2);
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approx.equal(ceil(-1), -1);
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approx.equal(ceil(-1.3), -1);
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approx.equal(ceil(-1.8), -1);
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approx.equal(ceil(-2), -2);
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approx.equal(ceil(-2.1), -2);
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approx.deepEqual(ceil(math.pi), 4);
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});
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it('should return the ceil of real and imag part of a complex', function() {
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approx.deepEqual(ceil(complex(0, 0)), complex(0, 0));
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approx.deepEqual(ceil(complex(1.3, 1.8)), complex(2, 2));
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approx.deepEqual(ceil(math.i), complex(0, 1));
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approx.deepEqual(ceil(complex(-1.3, -1.8)), complex(-1, -1));
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});
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it('should throw an error for units', function() {
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assert.throws(function () {ceil(unit('5cm'))}, TypeError, 'Function ceil(unit) not supported');
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});
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it('should throw an error for strings', function() {
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assert.throws(function () {ceil('hello world')}, TypeError, 'Function ceil(string) not supported');
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});
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it('should ceil each element in a matrix, array or range', function() {
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approx.deepEqual(ceil([1.2, 3.4, 5.6, 7.8, 10.0]), [2, 4, 6, 8, 10]);
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approx.deepEqual(ceil(matrix([1.2, 3.4, 5.6, 7.8, 10.0])), matrix([2, 4, 6, 8, 10]));
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approx.deepEqual(ceil(range(1.2, 11, 2.2)), [2, 4, 6, 8, 10]);
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});
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});
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