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51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
import { fastcat, stack, slowcat, silence, pure } from '../pattern.mjs';
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import { strict as assert } from 'assert';
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import drawLine from '../drawLine.mjs';
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describe('drawLine', () => {
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it('supports equal lengths', () => {
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assert.equal(drawLine(fastcat(0), 4), '|0|0');
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assert.equal(drawLine(fastcat(0, 1), 4), '|01|01');
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assert.equal(drawLine(fastcat(0, 1, 2), 6), '|012|012');
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});
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it('supports unequal lengths', () => {
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assert.equal(drawLine(fastcat(0, [1, 2]), 10), '|0-12|0-12');
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assert.equal(drawLine(fastcat(0, [1, 2, 3]), 10), '|0--123|0--123');
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assert.equal(drawLine(fastcat(0, 1, [2, 3]), 10), '|0-1-23|0-1-23');
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});
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it('supports unequal silence', () => {
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assert.equal(drawLine(fastcat(0, silence, [1, 2]), 10), '|0-..12|0-..12');
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});
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it('supports polyrhythms', () => {
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'0*2 1*3';
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assert.equal(drawLine(fastcat(pure(0).fast(2), pure(1).fast(3)), 10), '|0--0--1-1-1-');
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});
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it('supports multiple lines', () => {
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assert.equal(
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drawLine(fastcat(0, stack(1, 2)), 10),
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`|01|01|01|01
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|.2|.2|.2|.2`,
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);
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assert.equal(
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drawLine(fastcat(0, 1, stack(2, 3)), 10),
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`|012|012|012
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|..3|..3|..3`,
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);
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assert.equal(
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drawLine(fastcat(0, stack(1, 2, 3)), 10),
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`|01|01|01|01
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|.2|.2|.2|.2
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|.3|.3|.3|.3`,
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);
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assert.equal(
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drawLine(fastcat(0, 1, stack(2, 3, 4)), 10),
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`|012|012|012
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|..3|..3|..3
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|..4|..4|..4`,
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);
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});
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it('supports unequal cycle lengths', () => {
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assert.equal(drawLine(slowcat(0, [1, 2]), 10), `|0|12|0|12`);
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});
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});
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