import Testing
@testable import TXCore

@Suite("tmux -CC 哨兵序列检测")
struct TmuxControlSequenceTests {

    @Test("查找进入 DCS")
    func findEnter() {
        let stream = Array("shell output\r\n".utf8) + TmuxControlSequence.enter + Array("%begin".utf8)
        let idx = TmuxControlSequence.find(TmuxControlSequence.enter, in: stream)
        #expect(idx == Array("shell output\r\n".utf8).count)
    }

    @Test("查找退出 ST")
    func findExit() {
        let stream = Array("%exit\n".utf8) + TmuxControlSequence.exit
        #expect(TmuxControlSequence.find(TmuxControlSequence.exit, in: stream) == Array("%exit\n".utf8).count)
    }

    @Test("未出现返回 nil")
    func notFound() {
        #expect(TmuxControlSequence.find(TmuxControlSequence.enter, in: Array("normal text".utf8)) == nil)
    }

    @Test("enter 序列即 ESC P 1000 p")
    func enterBytes() {
        #expect(TmuxControlSequence.enter == [0x1B, 0x50, 0x31, 0x30, 0x30, 0x30, 0x70])
    }
}