)

// bigData returns the contents of our large test file repeated multiple times.
func bigData(t testing.TB) []byte {
	bigDataOnce.Do(func() {
		bigDataBytes, bigDataErr = os.ReadFile("../../testdata/Isaac.Newton-Opticks.txt")
		if bigDataErr == nil {
			bigDataBytes = bytes.Repeat(bigDataBytes, 20)
		}
	})
	if bigDataErr != nil {
		t.Fatal(bigDataErr)
	}
	return bigDataBytes
}