87 lines
1.7 KiB
TypeScript
87 lines
1.7 KiB
TypeScript
/**
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* Smoke test: load libcavacore.dylib via bun:ffi, init → execute → destroy.
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* Run: bun tests/cavacore-smoke.ts
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*/
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import { dlopen, FFIType, ptr } from "bun:ffi";
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import { join } from "path";
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const libPath = join(
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import.meta.dir,
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"..",
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"src",
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"native",
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"libcavacore.dylib",
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);
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const lib = dlopen(libPath, {
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cava_init: {
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args: [
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FFIType.i32,
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FFIType.u32,
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FFIType.i32,
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FFIType.i32,
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FFIType.double,
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FFIType.i32,
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FFIType.i32,
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FFIType.i32,
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],
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returns: FFIType.ptr,
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},
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cava_execute: {
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args: [FFIType.ptr, FFIType.i32, FFIType.ptr, FFIType.ptr],
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returns: FFIType.void,
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},
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cava_destroy: {
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args: [FFIType.ptr],
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returns: FFIType.void,
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},
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});
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const bars = 10;
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const rate = 44100;
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const channels = 1;
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// Init
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const plan = lib.symbols.cava_init(
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bars,
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rate,
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channels,
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1,
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0.77,
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50,
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10000,
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0 /* CAVA_SCALING_LINEAR */,
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);
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if (!plan) {
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console.error("FAIL: cava_init returned null");
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process.exit(1);
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}
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console.log("cava_init OK, plan pointer:", plan);
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// Generate a 200Hz sine wave test signal
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const bufferSize = 512;
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const cavaIn = new Float64Array(bufferSize);
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const cavaOut = new Float64Array(bars * channels);
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for (let k = 0; k < 100; k++) {
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for (let n = 0; n < bufferSize; n++) {
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cavaIn[n] =
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Math.sin(((2 * Math.PI * 200) / rate) * (n + k * bufferSize)) * 20000;
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}
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lib.symbols.cava_execute(ptr(cavaIn), bufferSize, ptr(cavaOut), plan);
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}
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console.log(
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"cava_execute OK, output:",
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Array.from(cavaOut).map((v) => v.toFixed(3)),
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);
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// Check that bar 2 (200Hz) has the peak
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const maxIdx = cavaOut.indexOf(Math.max(...cavaOut));
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console.log(`Peak at bar ${maxIdx} (expected ~2 for 200Hz)`);
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// Destroy
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lib.symbols.cava_destroy(plan);
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console.log("cava_destroy OK");
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console.log("\nSMOKE TEST PASSED");
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