import { bench, describe } from 'vitest';
import { STANDARD } from '../helpers/bench-options.js';
import {
  Result,
  ntFromThrowable,
  E,
  TmResult,
} from '../helpers/imports.js';

// ---------------------------------------------------------------------------
// Result.from — success (no throw)
// ---------------------------------------------------------------------------

describe('Result.from — success (no throw)', () => {
  const fn = () => 42;

  bench('native-monad', () => { Result.from(fn); }, STANDARD);
  bench('neverthrow', () => { ntFromThrowable(fn)(); }, STANDARD);
  bench('fp-ts', () => { E.tryCatch(fn, () => 'error'); }, STANDARD);
  bench('true-myth', () => { TmResult.tryOr('error', fn); }, STANDARD);
  // ts-results-es: no from/tryCatch
  // oxide.ts: no from/tryCatch
});

// ---------------------------------------------------------------------------
// Result.from — failure (throws)
// ---------------------------------------------------------------------------

describe('Result.from — failure (throws)', () => {
  const thrower = () => {
    throw new Error('fail');
  };
  const mapErr = () => 'error' as const;

  bench('native-monad', () => { Result.from(thrower, mapErr); }, STANDARD);
  bench('neverthrow', () => { ntFromThrowable(thrower, mapErr)(); }, STANDARD);
  bench('fp-ts', () => { E.tryCatch(thrower, mapErr); }, STANDARD);
  bench('true-myth', () => { TmResult.tryOr('error', thrower); }, STANDARD);
});