std/assert/assert_greater_or_equal.ts

// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { format } from "./_format.ts";
import { AssertionError } from "./assertion_error.ts";

/**
 * Make an assertion that `actual` is greater than or equal to `expected`.
 * If not then throw.
 */
export function assertGreaterOrEqual<T>(actual: T, expected: T, msg?: string) {
  if (actual >= expected) return;

  const actualString = format(actual);
  const expectedString = format(expected);
  throw new AssertionError(
    msg ?? `Expect ${actualString} >= ${expectedString}`,
  );
}