// Since Node 10, we're using Mocha.
// You can use `chai` for assertions.
const chai = require("chai");
const assert = chai.assert;
// Uncomment the following line to disable truncating failure messages for deep equals, do:
// chai.config.truncateThreshold = 0;
// Since Node 12, we no longer include assertions from our deprecated custom test framework by default.
// Uncomment the following to use the old assertions:
// const Test = require("@codewars/test-compat");

describe("Solution", function() {
  it("should test for something", function() {
    // Test.assertEquals(1 + 1, 2);
    // assert.strictEqual(1 + 1, 2);
    assert.strictEqual(formatIfNumber("word", 4), "word");
    assert.strictEqual(formatIfNumber(8.141516, 4), 8.1415);
    assert.strictEqual(formatIfNumber(2, 4), 2);
    assert.strictEqual(formatIfNumber(15.34, 4), 15.34);
    assert.strictEqual(formatIfNumber(15.34, 1), 15.3);
  });
});