mathjs/test/function/arithmetic/smallereq.test.js

80 lines
3.1 KiB
JavaScript

// test smaller
var assert = require('assert'),
math = require('../../../index.js'),
complex = math.complex,
matrix = math.matrix,
unit = math.unit,
smallereq = math.smallereq;
describe('smallereq', function() {
it('should compare two numbers correctly', function() {
assert.equal(smallereq(2, 3), true);
assert.equal(smallereq(2, 2), true);
assert.equal(smallereq(2, 1), false);
assert.equal(smallereq(0, 0), true);
assert.equal(smallereq(-2, 2), true);
assert.equal(smallereq(-2, -3), false);
assert.equal(smallereq(-2, -2), true);
assert.equal(smallereq(-3, -2), true);
});
it('should compare two booleans', function() {
assert.equal(smallereq(true, true), true);
assert.equal(smallereq(true, false), false);
assert.equal(smallereq(false, true), true);
assert.equal(smallereq(false, false), true);
});
it('should compare mixed numbers and booleans', function() {
assert.equal(smallereq(2, true), false);
assert.equal(smallereq(1, true), true);
assert.equal(smallereq(0, true), true);
assert.equal(smallereq(true, 2), true);
assert.equal(smallereq(true, 1), true);
assert.equal(smallereq(false, 2), true);
});
it('should compare two complex numbers correctly', function() {
assert.equal(smallereq(complex(1,1), complex(1,2)), true);
assert.equal(smallereq(complex(1,1), complex(1,1)), true);
assert.equal(smallereq(complex(2,4), complex(4,2)), true);
assert.equal(smallereq(complex(1,1), complex(2,1)), true);
assert.equal(smallereq(complex(1,6), complex(7,1)), true);
assert.equal(smallereq(complex(4,1), complex(2,2)), false);
assert.equal(smallereq(complex(2,0), 3), true);
assert.equal(smallereq(complex(2,0), 2), true);
assert.equal(smallereq(complex(2,0), 1), false);
assert.equal(smallereq(3, complex(2,0)), false);
assert.equal(smallereq(2, complex(2,0)), true);
assert.equal(smallereq(1, complex(2,0)), true);
});
it('should compare two measures of the same unit correctly', function() {
assert.equal(smallereq(unit('100cm'), unit('10inch')), false);
assert.equal(smallereq(unit('99cm'), unit('1m')), true);
//assert.equal(smallereq(unit('100cm'), unit('1m')), true); // dangerous, round-off errors
assert.equal(smallereq(unit('101cm'), unit('1m')), false);
});
it('should throw an error if comparing a unit with a number', function() {
assert.throws(function () {smallereq(unit('100cm'), 22)});
});
it('should perform lexical comprison of two strings', function() {
assert.equal(smallereq('0', 0), true);
assert.equal(smallereq('abd', 'abc'), false);
assert.equal(smallereq('abc', 'abc'), true);
assert.equal(smallereq('abc', 'abd'), true);
});
it('should perform element-wise comparison on two matrices', function() {
assert.deepEqual(smallereq([1,4,6], [3,4,5]), [true, true, false]);
assert.deepEqual(smallereq([1,4,6], matrix([3,4,5])), matrix([true, true, false]));
});
it('should throw an error with two matrices of different sizes', function () {
assert.throws(function () {smallereq([1,4,6], [3,4])});
});
});