import { assertEquals } from "@std/assert";
import { f16 } from "@hertzg/binstruct/numeric";

// Create big-endian and little-endian coders
const f16be = f16("be");
const f16le = f16("le");

// Test data
const testValue = 3.14;

// Encode and decode with big-endian
const bufferBE = new Uint8Array(2);
const bytesWrittenBE = f16be.encode(testValue, bufferBE);
const [decodedBE, bytesReadBE] = f16be.decode(bufferBE);

// Use approximate comparison for floating-point precision
assertEquals(Math.abs(decodedBE - testValue) < 0.01, true);
assertEquals(bytesWrittenBE, 2);
assertEquals(bytesReadBE, 2);

// Encode and decode with little-endian
const bufferLE = new Uint8Array(2);
const bytesWrittenLE = f16le.encode(testValue, bufferLE);
const [decodedLE, bytesReadLE] = f16le.decode(bufferLE);

// Use approximate comparison for floating-point precision
assertEquals(Math.abs(decodedLE - testValue) < 0.01, true);
assertEquals(bytesWrittenLE, 2);
assertEquals(bytesReadLE, 2);