// RUN: %empty-directory(%t)
// RUN: split-file %s %t

/// Do not print package-name for public or private interfaces
// RUN: %target-build-swift -emit-module %t/Bar.swift -I %t \
// RUN:   -module-name Bar -package-name foopkg \
// RUN:   -enable-library-evolution -swift-version 6 \
// RUN:   -package-name barpkg \
// RUN:   -Xfrontend -disable-print-package-name-for-non-package-interface \
// RUN:   -emit-module-interface-path %t/Bar.swiftinterface \
// RUN:   -emit-private-module-interface-path %t/Bar.private.swiftinterface \
// RUN:   -emit-package-module-interface-path %t/Bar.package.swiftinterface

// RUN: %FileCheck %s --check-prefix=CHECK-PUBLIC < %t/Bar.swiftinterface
// RUN: %FileCheck %s --check-prefix=CHECK-PRIVATE < %t/Bar.private.swiftinterface
// RUN: %FileCheck %s --check-prefix=CHECK-PACKAGE < %t/Bar.package.swiftinterface

// CHECK-PUBLIC-NOT: -package-name foopkg
// CHECK-PUBLIC-NOT: -package-name barpkg
// CHECK-PRIVATE-NOT: -package-name foopkg
// CHECK-PRIVATE-NOT: -package-name barpkg
// CHECK-PACKAGE-NOT: -package-name foopkg

// CHECK-PUBLIC:  -enable-library-evolution -swift-version 6 -module-name Bar
// CHECK-PRIVATE:  -enable-library-evolution -swift-version 6 -module-name Bar
// CHECK-PACKAGE:  -enable-library-evolution -swift-version 6 -module-name Bar -package-name barpkg

/// Verify building modules from non-package interfaces succeeds without the package-name flag.
// RUN: %target-swift-frontend -compile-module-from-interface %t/Bar.swiftinterface -o %t/Bar.swiftmodule -module-name Bar
// RUN: %target-swift-frontend -typecheck %t/Use.swift -I %t -verify
// RUN: %target-swift-frontend -typecheck %t/Use.swift -I %t -package-name barpkg -verify

// RUN: rm -rf %t/Bar.swiftmodule
// RUN: %target-swift-frontend -compile-module-from-interface %t/Bar.private.swiftinterface -o %t/Bar.swiftmodule -module-name Bar
// RUN: %target-swift-frontend -typecheck %t/Use.swift -I %t -verify
// RUN: %target-swift-frontend -typecheck %t/Use.swift -I %t -package-name barpkg -verify

// RUN: rm -rf %t/Bar.swiftmodule
// RUN: %target-swift-frontend -compile-module-from-interface %t/Bar.package.swiftinterface -o %t/Bar.swiftmodule -module-name Bar
// RUN: %target-swift-frontend -typecheck %t/Use.swift -I %t -package-name barpkg -experimental-package-interface-load -verify

// RUN: rm -rf %t/Bar.swiftmodule
// RUN: rm -rf %t/Bar.swiftinterface
// RUN: rm -rf %t/Bar.private.swiftinterface
// RUN: rm -rf %t/Bar.package.swiftinterface

/// By default, -package-name is printed in all interfaces.
// RUN: %target-build-swift -emit-module %t/Bar.swift -I %t \
// RUN:   -module-name Bar -package-name barpkg \
// RUN:   -enable-library-evolution -swift-version 6 \
// RUN:   -emit-module-interface-path %t/Bar.swiftinterface \
// RUN:   -emit-private-module-interface-path %t/Bar.private.swiftinterface \
// RUN:   -emit-package-module-interface-path %t/Bar.package.swiftinterface

// RUN: %FileCheck %s < %t/Bar.swiftinterface
// RUN: %FileCheck %s < %t/Bar.private.swiftinterface
// RUN: %FileCheck %s < %t/Bar.package.swiftinterface

// CHECK: -enable-library-evolution -package-name barpkg -swift-version 6 -module-name Bar

/// Building modules from non-package interfaces with package-name (default mode) should succeed.
// RUN: %target-swift-frontend -compile-module-from-interface %t/Bar.swiftinterface -o %t/Bar.swiftmodule -module-name Bar
// RUN: %target-swift-frontend -typecheck %t/ExpectFail.swift -I %t -package-name barpkg -verify

// RUN: rm -rf %t/Bar.swiftmodule
// RUN: %target-swift-frontend -compile-module-from-interface %t/Bar.private.swiftinterface -o %t/Bar.swiftmodule -module-name Bar
// RUN: %target-swift-frontend -typecheck %t/ExpectFail.swift -I %t -package-name barpkg -verify

// RUN: rm -rf %t/Bar.swiftmodule
// RUN: %target-swift-frontend -compile-module-from-interface %t/Bar.package.swiftinterface -o %t/Bar.swiftmodule -module-name Bar
// RUN: %target-swift-frontend -typecheck %t/Use.swift -I %t -package-name barpkg -experimental-package-interface-load -verify

//--- Bar.swift
public struct PubStruct {}
@_spi(bar) public struct SPIStruct {}
package struct PkgStruct {}

@usableFromInline
package struct UfiPkgStruct {
  @usableFromInline
  package var ufiPkgVar: PubStruct
  
  package var pkgVar: PubStruct
  
  @usableFromInline
  package init(_ x: PubStruct, _ y: PubStruct) {
    ufiPkgVar = x
    pkgVar = y
  }
}


//--- Use.swift
import Bar

func use(_ arg: PubStruct) -> PubStruct {
  return UfiPkgStruct(arg, arg).ufiPkgVar
}

//--- ExpectFail.swift
import Bar // expected-error {{module 'Bar' is in package 'barpkg' but was built from a non-package interface; modules of the same package can only be loaded if built from source or package interface}}

func use(_ arg: PubStruct) -> PubStruct {
  return UfiPkgStruct(arg, arg).ufiPkgVar
}