mirror of
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50 lines
1.8 KiB
JavaScript
50 lines
1.8 KiB
JavaScript
var assert = require('assert'),
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math = require('../../../index')(),
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conj = math.conj;
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describe('conj', function() {
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it('should compute the conjugate of a boolean', function () {
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assert.equal(conj(true), true);
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assert.equal(conj(false), false);
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});
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it('should compute the conjugate of a number', function () {
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assert.equal(conj(1), 1);
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assert.equal(conj(2), 2);
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assert.equal(conj(0), 0);
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assert.equal(conj(-2), -2);
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});
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it('should compute the conjugate of a bignumber', function () {
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assert.deepEqual(conj(math.bignumber(2)), math.bignumber(2));
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});
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it('should calculate the conjugate of a complex number correctly', function() {
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assert.equal(conj(math.complex('2 + 3i')).toString(), '2 - 3i');
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assert.equal(conj(123).toString(), '123');
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assert.equal(conj(math.complex('2 - 3i')).toString(), '2 + 3i');
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assert.equal(conj(math.complex('2')).toString(), '2');
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assert.equal(conj(math.complex('-4i')).toString(), '4i');
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assert.equal(conj(math.i).toString(), '-i');
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});
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it('should calculate the conjugate for each element in a matrix', function() {
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assert.equal(math.format(conj([math.complex('2+3i'), math.complex('3-4i')])),
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'[2 - 3i, 3 + 4i]');
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assert.equal(conj(math.matrix([math.complex('2+3i'), math.complex('3-4i')])).toString(),
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'[2 - 3i, 3 + 4i]');
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});
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it('should be identity if used with a string', function() {
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assert.equal(conj('string'), 'string');
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});
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it('should be identity if used with a unit', function() {
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assert.deepEqual(conj(math.unit('5cm')), math.unit('5cm'));
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});
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it('should throw an error in case of invalid number of arguments', function() {
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assert.throws(function () {conj()}, math.error.ArgumentsError);
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assert.throws(function () {conj(1, 2)}, math.error.ArgumentsError);
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});
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}); |