// Copyright (c) 2022, 2024 blackshirt. All rights reserved.
// Use of this source code is governed by a MIT License
// that can be found in the LICENSE file.
module asn1

// Tests case for PrintableString
fn test_encode_printablestring_basic() ! {
    s := 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'

    ps := PrintableString.new(s)!
    buf := encode(ps)!

    mut out := [u8(0x13)]
    length := [u8(0x81), u8(s.len)]
    out << length
    out << s.bytes()
    // dump(out)
    assert out == buf

    psback, _ := PrintableString.decode(buf)!
    assert psback.tag().tag_number() == int(TagType.printablestring)
    assert psback.tag().tag_class() == .universal

    assert psback.value == s
}

struct EncodingTest[T] {
    input T
    exp   []u8
}

fn test_encode_printablestring_generic() {
    data := [
        // from dart asn1lib test
        EncodingTest[string]{'TheTestString', [u8(0x13), 13, 84, 104, 101, 84, 101, 115, 116, 83,
            116, 114, 105, 110, 103]},
        EncodingTest[string]{'Test User 1', [u8(0x13), 0x0b, 84, 101, 115, 116, 32, 85, 115, 101,
            114, 32, 49]},
    ]

    for t in data {
        ps := PrintableString.new(string(t.input))!
        out := encode(ps)!
        // out := serialize_printablestring(string(t.input))!
        assert out == t.exp

        // decode back
        psback, _ := PrintableString.decode(out)!

        assert psback.value == t.input
        assert psback.tag().tag_number() == int(TagType.printablestring)
        assert psback.tag().is_constructed() == false
    }
}