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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Darwin.C
@main
struct Entrypoint {
static func main() throws {
let args = CommandLine.arguments
if args.count >= 3, args[1] == "--test-bundle-path" {
let bundlePath = args[2]
guard let image = dlopen(bundlePath, RTLD_LAZY | RTLD_FIRST) else {
let errorMessage: String = dlerror().flatMap {
#if compiler(>=6)
String(validatingCString: $0)
#else
String(validatingUTF8: $0)
#endif
} ?? "An unknown error occurred."
fatalError("Failed to open test bundle at path \(bundlePath): \(errorMessage)")
}
defer {
dlclose(image)
}
// Find and call the main function from the image. This function may
// link to the copy of Swift Testing included with Xcode, or may link to
// a copy that's included as a package dependency.
let main = dlsym(image, "main").map {
unsafeBitCast(
$0,
to: (@convention(c) (CInt, UnsafeMutablePointer<UnsafeMutablePointer<CChar>?>) -> CInt).self
)
}
if let main {
exit(main(CommandLine.argc, CommandLine.unsafeArgv))
}
}
}
}
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