/**
 * This is a Jest utility file that makes creating multiple test cases
 * for a single function very simple. Start by creating an array of test
 * cases that are formatted as a tuple.
 *
 * This example will create three unit tests and
 * test the parseInt function with each input
 *
 * const testCases = [
 *  ['1234567', 1234567], // means parseInt('1234567') should be 1234567 (number)
 *  ['-12', -12],
 *  ['0', 0]
 * ]
 *
 * testmap(testCases, 'Test parseInt with %s', parseInt)
 *
 * The message will replace all instances of %s with the input for that case
 * The parameter can also be a callback that takes the input and creates the name
 */
type TestPackage<I, O> = Array<[I, O]>;
type MessageCallback<I> = (input: I) => string;
type Map<I, O> = (input: I) => O;
/**
 * Tests a function (map) on a whole list of tests
 * @param tests - An array of tests in the format of [[input, output],...]
 * @param message - A string using %s to name the tests, or a function that returns a string on input
 * @param map - The function to test, takes in an input and produces an output to test against
 */
export declare const testmap: <I, O>(tests: TestPackage<I, O>, message: string | MessageCallback<I>, map: Map<I, O>) => void;
export {};