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52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
// test floor
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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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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 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 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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approx.deepEqual(floor(range(1.2, 11, 2.2)), [1, 3, 5, 7, 10]);
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});
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}); |