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// RUN: %target-typecheck-verify-swift
struct X { }
struct Y { }
struct Z { }
class A {
func f(x: X) -> X { }
func f(y: Y) -> Y { }
func g(z: Z) -> X { } // expected-note 2{{found this candidate}}
func g(z: Z) -> Y { } // expected-note 2{{found this candidate}}
class func sf(x: X) -> X { }
class func sf(y: Y) -> Y { }
class func sg(z: Z) -> X { } // expected-note 2{{found this candidate}}
class func sg(z: Z) -> Y { } // expected-note 2{{found this candidate}}
func mixed(x: X) -> X { }
class func mixed(y: Y) -> Y { }
func mixed2(z: Z) -> X { }
class func mixed2(z: Z) -> Y { }
}
func test_method_overload(_ a: A, x: X, y: Y) {
var x1 = a.f(x: x)
x1 = x
_ = x1
var y1 = a.f(y: y)
y1 = y
_ = y1
}
func test_method_overload_coerce(_ a: A, x: inout X, y: inout Y, z: Z) {
var fail = a.g(z: z) // expected-error{{ambiguous use of 'g(z:)'}}
x = a.g(z: z)
y = a.g(z: z)
}
func test_method_value_coerce(_ a: A) {
var _ : (X) -> X = a.f
var _ : (A) -> (X) -> X = A.f
}
func test_static_method_overload(_ a: A, x: X, y: Y) {
var x1 = A.sf(x: x)
x1 = x
_ = x1
var y1 = A.sf(y: y)
y1 = y
_ = y1
}
func test_static_method_overload_coerce(_ a: A, x: inout X, y: inout Y, z: Z) {
var fail = A.sg(z: z) // expected-error{{ambiguous use of 'sg(z:)'}}
x = A.sg(z: z)
y = A.sg(z: z)
}
func test_static_method_value_coerce(_ a: A) {
var _ : (X) -> X = A.sf
var _ : (Y) -> Y = A.sf
}
func test_mixed_overload(_ a: A, x: X, y: Y) {
var x1 = a.mixed(x: x)
x1 = x
var y1 = a.mixed(y: y) // expected-error {{static member 'mixed' cannot be used on instance of type 'A'}} {{12-13=A}}
A.mixed(x) // expected-error{{cannot convert value of type 'X' to expected argument type 'A'}}
var x2 = A.mixed(a)(x: x)
x2 = x
var y2 = A.mixed(y: y)
y2 = y
}
func test_mixed_overload_coerce(_ a: A, x: inout X, y: Y, z: Z) {
_ = a.mixed2(z: z)
var y1 = A.mixed2(z: z)
y1 = y
_ = y1
x = a.mixed2(z: z)
}
func test_mixed_method_value_coerce(_ a: A) {
var _ : (X) -> X = a.mixed
var _ : (Y) -> Y = A.mixed
var _ : (Y) -> Y = a.mixed; // expected-error {{static member 'mixed' cannot be used on instance of type 'A'}} {{22-23=A}}
var _ : (A) -> (X) -> X = A.mixed
}
extension A {
func test_method_overload(x: X, y: Y) {
var x1 = self.f(x: x)
x1 = x
_ = x1
var x2 = f(x: x)
x2 = x
_ = x2
var y1 = self.f(y: y)
y1 = y
_ = y1
var y2 = f(y: y)
y2 = y
_ = y2
}
func test_method_overload_coerce(x: inout X, y: inout Y, z: Z) {
var fail = g(z: z) // expected-error{{ambiguous use of 'g(z:)'}}
x = g(z: z)
y = g(z: z)
}
func test_method_value_coerce() {
var _ : (X) -> X = f
var _ : (A) -> (X) -> X = A.f
var _ : (A) -> (X) -> X = A.f
}
func test_mixed_overload_coerce(x: inout X, y: Y, z: Z) {
_ = mixed2(z: z)
x = mixed2(z: z)
}
func test_mixed_method_value_coerce() {
var _ : (X) -> X = mixed
var _ : (Y) -> Y = mixed; // expected-error {{static member 'mixed' cannot be used on instance of type 'A'}} {{24-24=A.}}
var _ : (Y) -> Y = mixed; // expected-error {{static member 'mixed' cannot be used on instance of type 'A'}} {{24-24=A.}}
var _ : (A) -> (X) -> X = A.mixed
}
class func test_method_overload_static(x: X, y: Y, z: Z) {
var x1 = sf(x: x)
x1 = x
_ = x1
var y1 = sf(y: y)
y1 = y
_ = y1
}
class func test_method_overload_coerce_static(x: inout X, y: inout Y, z: Z) {
var fail = sg(z: z) // expected-error{{ambiguous use of 'sg(z:)'}}
x = sg(z: z)
y = sg(z: z)
}
class func test_method_value_coerce_static() {
var _ : (X) -> X = sf
var _ : (Y) -> Y = sf
}
class func test_mixed_overload_static(a: A, x: X, y: Y) {
mixed(x) // expected-error{{cannot convert value of type 'X' to expected argument type 'A'}}
var x2 = mixed(a)(x: x)
x2 = x
var y2 = mixed(y: y)
y2 = y
}
class func test_mixed_overload_coerce_static(y: Y, z: Z) {
var y1 = mixed2(z: z)
y1 = y
_ = y1
}
class func test_mixed_method_value_coerce_static() {
var _ : (Y) -> Y = mixed
var _ : (A) -> (X) -> X = mixed
}
}
var clams : X
struct WeirdIvarLookupBehavior {
var clams : Y
func f() {
var _ : Y = clams
}
static func static_f() {
// FIXME: These diagnostics still suck.
var a : X = clams // expected-error{{member 'clams' cannot be used on type 'WeirdIvarLookupBehavior'}}
// expected-error@-1 {{cannot convert value of type 'Y' to specified type 'X'}}
var b : Y = clams // expected-error{{member 'clams' cannot be used on type 'WeirdIvarLookupBehavior'}}
}
}
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