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Add packages/edo for Equal Division of the Octave scales

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robmckinnon 2025-06-28 18:24:05 +01:00 • committed by robmckinnon
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commit 73965a3a39
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packages/edo/test/edoscale.test.mjs Normal file
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/*
edoscale.test.mjs - tests of EdoScale from edoscale.mjs
Copyright (C) 2025 Rob McKinnon and Strudel contributors - see <https://codeberg.org/uzu/strudel/src/branch/main/packages/edo/test/edoscale.test.mjs>
This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import '../edoscale.mjs'; // need to import this to add prototypes
import { EdoScale } from '../edoscale.mjs';
import { describe, it, expect } from 'vitest';
describe('EdoScale', () => {
it('updates edivisions', () => {
let scale = new EdoScale(2, 1, ['L', 'L', 's', 'L', 'L', 'L', 's']);
expect(scale.stepSize(0)).toEqual('L');
expect(scale.stepValue(0)).toEqual(2);
expect(scale.stepSize(2)).toEqual('s');
expect(scale.stepValue(2)).toEqual(1);
expect(scale.edivisions).toEqual(12);
});
});