45 lines
1.4 KiB
TypeScript
45 lines
1.4 KiB
TypeScript
import assert from 'node:assert/strict';
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import test from 'node:test';
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import { collectPads } from '../src/lib/parsers';
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import { TarFile } from '../src/lib/untar';
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function padFile(name: string, length: 26 | 27) {
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const data = new Uint8Array(length);
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return { data, file: new TarFile(name, data.length, data) };
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}
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test('decodes optional fractional pitch arithmetically for 26- and 27-byte pad records', () => {
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const native = padFile('pads/a/p01', 26);
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native.data[17] = 0xff;
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const extended = padFile('pads/a/p02', 27);
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extended.data[17] = 0xff;
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extended.data[26] = 91;
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const pads = collectPads([native.file, extended.file], []);
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assert.equal(pads.a[0].pitch, -1);
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assert.ok(Math.abs(pads.a[1].pitch - -0.09) < 1e-12);
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});
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test('reads trim length as unsigned 32-bit little-endian data', () => {
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const pad = padFile('pads/a/p01', 26);
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pad.data.set([0x03, 0x02, 0x01], 4);
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pad.data.set([0x04, 0x03, 0x02, 0x01], 8);
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const parsed = collectPads([pad.file], []).a[0];
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assert.equal(parsed.trimLeft, 0x010203);
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assert.equal(parsed.trimRight, 0x010203 + 0x01020304);
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});
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test('treats every nonzero mute byte as shared mute-group membership', () => {
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const member = padFile('pads/a/p01', 26);
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const nonmember = padFile('pads/a/p02', 26);
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member.data[22] = 200;
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const pads = collectPads([member.file, nonmember.file], []).a;
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assert.equal(pads[0].inChokeGroup, true);
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assert.equal(pads[1].inChokeGroup, false);
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});
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