splash-rs/highlight-swift/Tests/highlight-swift-tests/HighlightTests.swift

//
//  HighlightTests.swift
//  
//
//  Created by Shadowfacts on 12/10/22.
//

import XCTest
@testable import highlight_swift

class HighlightTests: XCTestCase {
    static var allTests = [
        ("testHighlight", testHighlight),
    ]
    
    func testHighlight() {
        var code = "1+1"
        var len: UInt64 = 0
        let result = code.withUTF8 { codePtr in
            withUnsafeMutablePointer(to: &len) { lenPtr in
                highlight(codePtr: codePtr.baseAddress!, codeLen: UInt64(codePtr.count), htmlLenPtr: lenPtr)
            }
        }
        let htmlPtr = UnsafeBufferPointer(start: result, count: Int(len))
        let data = Data(buffer: htmlPtr)
        let expected = "<span class=\"hl-num\">1</span>+<span class=\"hl-num\">1</span>"
        XCTAssertEqual(String(data: data, encoding: .utf8), expected)
    }
}