// Copyright 2012-2015 The Rust Project Developers.
// Copyright 2017 The UNIC Project Developers.
//
// See the COPYRIGHT file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.

&[
    // Two Prepend chars between two other chars.
    (
        "\u{20}\u{600}\u{600}\u{20}",
        &["\u{20}", "\u{600}\u{600}\u{20}"],
        Some(&["\u{20}", "\u{600}", "\u{600}", "\u{20}"]),
    ),

    // Test for Prepend followed by two other chars.
    (
        "\u{600}\u{20}\u{20}",
        &["\u{600}\u{20}", "\u{20}"],
        Some(&["\u{600}", "\u{20}", "\u{20}"]),
    ),

    // Family emoji (more than two emoji joined by ZWJ)
    (
        "\u{1f468}\u{200d}\u{1f467}\u{200d}\u{1f466}",
        &["\u{1f468}\u{200d}\u{1f467}\u{200d}\u{1f466}"],
        None,
    ),

    // Cartwheel emoji followed by two fitzpatrick skin tone modifiers
    // (test case from <https://github.com/unicode-rs/unicode-segmentation/issues/19>)
    (
        "\u{1F938}\u{1F3FE}\u{1F3FE}",
        &["\u{1F938}\u{1F3FE}", "\u{1F3FE}"],
        None,
    ),
]