| // RUN: %empty-directory(%t) | |
| // RUN: not test -e %platform-sdk-overlay-dir/XCTest.swiftmodule || %target-build-swift %s -o %t/main | |
| // REQUIRES: objc_interop | |
| import XCTest | |
| // Check that we can actually refer to functions from the XCTest overlay. | |
| let optionalInt: Int? = nil | |
| XCTAssertNil(optionalInt) | |
| // Check that the underlying framework was imported. | |
| _ = XCTestCase.self |