Function expectToBeCloseToColorArray

packages/tests/utils.js:41–55

(
  actual: Uint8Array,
  expected: Uint8Array
)

}

export const expectToBeCloseToColorArray = (
  actual: Uint8Array,
  expected: Uint8Array
) => {
  expect(actual).toBeInstanceOf(Uint8Array);
  expect(expected).toBeInstanceOf(Uint8Array);
  expect(actual.length).toBe(expected.length);
  for (let i = 0; i < actual.length; i += 4) {
    const dr = actual[i + 0] - expected[i + 0];
    const dg = actual[i + 1] - expected[i + 1];
    const db = actual[i + 2] - expected[i + 2];
    const da = actual[i + 3] - expected[i + 3];
    expect(dr * dr + dg * dg + db * db + da * da).toBeLessThan(10);
  }
};

export const create = (el: React.Element<*>) => {
  const container = document.createElement("div");