// This file tests that we emit cross-imports into module interfaces.

// RUN: %empty-directory(%t)
// RUN: cp -r %S/Inputs/lib-templates/* %t/

//
// Should pass with -enable-cross-import-overlays
//

// RUN: %target-swift-emit-module-interface(%t.swiftinterface) %s -enable-cross-import-overlays -I %t/lib/swift -module-name ClientLibrary
// RUN: %target-swift-typecheck-module-from-interface(%t.swiftinterface) -enable-cross-import-overlays -I %t/lib/swift -module-name ClientLibrary
// RUN: %FileCheck %s < %t.swiftinterface

//
// Should fail with -disable-cross-import-overlays
//

// RUN: not %target-swift-emit-module-interface(%t.swiftinterface) %s -disable-cross-import-overlays -I %t/lib/swift -module-name ClientLibrary 2>/dev/null

//
// Should fail by default
//

// RUN: not %target-swift-emit-module-interface(%t.swiftinterface) %s -I %t/lib/swift -module-name ClientLibrary -swift-version 5 2>/dev/null


import DeclaringLibrary
import BystandingLibrary

public func fn(_: DeclaringLibraryTy, _: BystandingLibraryTy, _: OverlayLibraryTy) {}

public func alias(_: DeclaringLibrary.OverlayLibraryTy) {}

public func shadow(_: DeclaringLibrary.ShadowTy, _: ShadowTy) {}

// CHECK: // swift-interface-format-version
// CHECK: // swift-module-flags: {{.*}} -module-name ClientLibrary

// CHECK-DAG: import Swift
// CHECK-DAG: import DeclaringLibrary
// CHECK-DAG: import BystandingLibrary
// CHECK-DAG: import _OverlayLibrary

// CHECK-DAG: public func fn(_: DeclaringLibrary.DeclaringLibraryTy, _: BystandingLibrary.BystandingLibraryTy, _: _OverlayLibrary.OverlayLibraryTy)
// CHECK-DAG: public func alias(_: _OverlayLibrary.OverlayLibraryTy)
// CHECK-DAG: public func shadow(_: _OverlayLibrary.ShadowTy, _: _OverlayLibrary.ShadowTy)