Function assertEquals

assert/equals.ts:46–68

(
  actual: T,
  expected: T,
  msg?: string,
)

 * @param msg The optional message to display if the assertion fails.
 */
export function assertEquals<T>(
  actual: T,
  expected: T,
  msg?: string,
) {
  if (equal(actual, expected)) {
    return;
  }
  const msgSuffix = msg ? `: ${msg}` : ".";
  let message = `Values are not equal${msgSuffix}`;

  const actualString = format(actual);
  const expectedString = format(expected);
  const stringDiff = (typeof actual === "string") &&
    (typeof expected === "string");
  const diffResult = stringDiff
    ? diffStr(actual as string, expected as string)
    : diff(actualString.split("\n"), expectedString.split("\n"));
  const diffMsg = buildMessage(diffResult, { stringDiff }, arguments[3])
    .join("\n");
  message = `${message}\n${diffMsg}`;
  throw new AssertionError(message);
}