25 lines
1.2 KiB
JavaScript
25 lines
1.2 KiB
JavaScript
 
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const { tuzCompress } = require("../tuz.js");
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const { execFileSync } = require("child_process");
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let rnd = 12345;
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const rand = () => (rnd = (rnd * 1103515245 + 12345) & 0x7fffffff) & 0xff;
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const cases = [];
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for (const leds of [44, 88, 176]) {
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cases.push(Array.from({ length: leds * 3 }, (_, i) => [255, 0, 128][i % 3]));
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cases.push(Array.from({ length: leds * 3 }, (_, i) => (i * 7) & 0xff));
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cases.push(Array.from({ length: leds * 3 }, rand));
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cases.push(Array.from({ length: leds * 3 }, (_, i) => (Math.floor(i / 30) * 40) & 0xff));
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}
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for (let t = 0; t < 200; t++) {
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const n = 1 + (rand() * 7) % 700;
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const alph = 1 + rand() % 6;
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cases.push(Array.from({ length: n }, () => rand() % alph * 50));
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}
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let ok = 0;
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for (const c of cases) {
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const code = Buffer.from(tuzCompress(c));
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const out = execFileSync(require("path").join(__dirname, "..", "tuzd.exe"), [String(c.length)], { input: code });
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if (Buffer.compare(out, Buffer.from(c)) !== 0) { console.log("MISMATCH len", c.length); process.exit(1); }
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ok++;
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}
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const solid = tuzCompress(Array.from({ length: 132 }, (_, i) => [128, 0, 255][i % 3]));
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console.log(`${ok}/${cases.length} round-trips ok; solid 44 LEDs -> ${solid.length} bytes`);
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