| 1 | import { BasicTests } from "../../test/helper/Basic.js";
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| 2 | import { InstrumentTest } from "../../test/helper/InstrumentTests.js";
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| 3 | import { DuoSynth } from "./DuoSynth.js";
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| 4 | import { CompareToFile } from "../../test/helper/CompareToFile.js";
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| 5 | import { expect } from "chai";
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| 6 | import { MonophonicTest } from "../../test/helper/MonophonicTests.js";
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| 7 |
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| 8 | describe("DuoSynth", () => {
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| 9 | BasicTests(DuoSynth);
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| 10 | MonophonicTest(DuoSynth, "C4");
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| 11 | InstrumentTest(DuoSynth, "C4", {
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| 12 | voice0: {
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| 13 | oscillator: {
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| 14 | type: "square",
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| 15 | },
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| 16 | envelope: {
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| 17 | decay: 0.1,
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| 18 | sustain: 0.5,
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| 19 | release: 0.2,
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| 20 | },
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| 21 | },
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| 22 | voice1: {
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| 23 | oscillator: {
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| 24 | type: "square",
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| 25 | },
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| 26 | envelope: {
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| 27 | decay: 0.1,
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| 28 | sustain: 0.5,
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| 29 | release: 0.3,
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| 30 | },
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| 31 | },
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| 32 | });
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| 33 |
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| 34 | it("matches a file", () => {
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| 35 | return CompareToFile(
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| 36 | () => {
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| 37 | const synth = new DuoSynth().toDestination();
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| 38 | synth.triggerAttackRelease("C5", 0.1, 0.1);
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| 39 | },
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| 40 | "duoSynth.wav",
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| 41 | 0.07
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| 42 | );
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| 43 | });
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| 44 |
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| 45 | context("API", () => {
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| 46 | it("can get and set voice0 attributes", () => {
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| 47 | const duoSynth = new DuoSynth();
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| 48 | duoSynth.voice0.oscillator.type = "triangle";
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| 49 | expect(duoSynth.voice0.oscillator.type).to.equal("triangle");
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| 50 | duoSynth.dispose();
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| 51 | });
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| 52 |
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| 53 | it("can get and set voice1 attributes", () => {
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| 54 | const duoSynth = new DuoSynth();
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| 55 | duoSynth.voice1.envelope.attack = 0.24;
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| 56 | expect(duoSynth.voice1.envelope.attack).to.equal(0.24);
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| 57 | duoSynth.dispose();
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| 58 | });
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| 59 |
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| 60 | it("can get and set harmonicity", () => {
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| 61 | const duoSynth = new DuoSynth();
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| 62 | duoSynth.harmonicity.value = 2;
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| 63 | expect(duoSynth.harmonicity.value).to.equal(2);
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| 64 | duoSynth.dispose();
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| 65 | });
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| 66 |
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| 67 | it("can get and set vibratoRate", () => {
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| 68 | const duoSynth = new DuoSynth();
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| 69 | duoSynth.vibratoRate.value = 2;
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| 70 | expect(duoSynth.vibratoRate.value).to.equal(2);
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| 71 | duoSynth.dispose();
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| 72 | });
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| 73 |
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| 74 | it("can be constructed with an options object", () => {
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| 75 | const duoSynth = new DuoSynth({
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| 76 | voice0: {
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| 77 | filter: {
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| 78 | rolloff: -24,
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| 79 | },
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| 80 | },
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| 81 | });
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| 82 | expect(duoSynth.voice0.filter.rolloff).to.equal(-24);
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| 83 | duoSynth.dispose();
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| 84 | });
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| 85 |
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| 86 | it("can get/set attributes", () => {
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| 87 | const duoSynth = new DuoSynth();
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| 88 | duoSynth.set({
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| 89 | harmonicity: 1.5,
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| 90 | });
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| 91 | expect(duoSynth.get().harmonicity).to.equal(1.5);
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| 92 | duoSynth.dispose();
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| 93 | });
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| 94 | });
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| 95 | });
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