swift-mirror/test/Sema/lifetime_attr.swift

// RUN: %target-typecheck-verify-swift -disable-availability-checking -enable-experimental-feature LifetimeDependence

// REQUIRES: swift_feature_LifetimeDependence

struct NE : ~Escapable {
  @lifetime(self) // expected-error{{invalid lifetime dependence on self in an initializer}}
  init() {}
}

@lifetime(nonexisting) // expected-error{{invalid parameter name specified 'nonexisting'}}
func invalidAttrOnNonExistingParam(_ ne: NE) -> NE {
  ne
}

@lifetime(self) // expected-error{{invalid lifetime dependence specifier on non-existent self}}
func invalidAttrOnNonExistingSelf(_ ne: NE) -> NE {
  ne
}

@lifetime(2) // expected-error{{invalid parameter index specified '2'}}
func invalidAttrOnNonExistingParamIndex(_ ne: NE) -> NE {
  ne
}

@lifetime(ne, ne) // expected-error{{duplicate lifetime dependence specifier}}
func invalidDuplicateLifetimeDependence1(_ ne: borrowing NE) -> NE {
  ne
}

class Klass {}

@lifetime(borrow x) // expected-error{{invalid use of borrow dependence with consuming ownership}}
func invalidDependence(_ x: consuming Klass) -> NE {
  NE()
}

@lifetime(result: source) 
@lifetime(result: source) // TODO: display error here
func invalidTarget(_ result: inout NE, _ source: consuming NE) { // expected-error{{invalid duplicate target lifetime dependencies on function}}
  result = source
}

@lifetime(immortal)
func immortalConflict(_ immortal: Int) -> NE { // expected-error{{conflict between the parameter name and 'immortal' contextual keyword}}
  NE()
}