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74 lines
2.6 KiB
Swift
74 lines
2.6 KiB
Swift
// RUN: rm -rf %t/stats-dir
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// RUN: mkdir -p %t/stats-dir
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// RUN: %target-typecheck-verify-swift
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// RUN: not %target-swift-frontend -typecheck -debug-cycles %s -output-request-graphviz %t.dot -stats-output-dir %t/stats-dir 2> %t.cycles
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// RUN: %FileCheck %s < %t.cycles
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// RUN: %FileCheck -check-prefix CHECK-DOT %s < %t.dot
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// Check that we produced superclass type requests.
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// RUN: %{python} %utils/process-stats-dir.py --evaluate 'SuperclassTypeRequest == 17' %t/stats-dir
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class Left // expected-error {{circular reference}}
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: Right.Hand { // expected-note {{through reference here}}
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class Hand {}
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}
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class Right // expected-note {{through reference here}}
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: Left.Hand { // expected-note {{through reference here}}
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class Hand {}
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}
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class C : B { } // expected-error{{'C' inherits from itself}}
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class B : A { } // expected-note{{class 'B' declared here}}
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class A : C { } // expected-note{{class 'A' declared here}}
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class TrivialCycle : TrivialCycle {} // expected-error{{'TrivialCycle' inherits from itself}}
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protocol P : P {} // expected-error {{protocol 'P' refines itself}}
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class Isomorphism : Automorphism { }
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class Automorphism : Automorphism { } // expected-error{{'Automorphism' inherits from itself}}
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// FIXME: Useless error
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let _ = A() // expected-error{{'A' cannot be constructed because it has no accessible initializers}}
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class Outer {
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class Inner : Outer {}
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}
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class Outer2 // expected-error {{circular reference}}
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: Outer2.Inner { // expected-note {{through reference here}}
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class Inner {}
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}
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class Outer3 // expected-error {{circular reference}}
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: Outer3.Inner<Int> { // expected-note {{through reference here}}
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class Inner<T> {}
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}
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// CHECK: ===CYCLE DETECTED===
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// CHECK-NEXT: `--{{.*}}SuperclassDeclRequest({{.*Left}}
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// CHECK: `--{{.*}}InheritedDeclsReferencedRequest(circular_inheritance.(file).Left@
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// CHECK: `--{{.*}}SuperclassDeclRequest
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// CHECK: `--{{.*}}InheritedDeclsReferencedRequest(circular_inheritance.(file).Right@
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// CHECK: `--{{.*}}SuperclassDeclRequest{{.*(cyclic dependency)}}
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// CHECK-DOT: digraph Dependencies
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// CHECK-DOT: label="InheritedTypeRequest
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protocol Initable {
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init()
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// expected-note@-1 {{protocol requires initializer 'init()' with type '()'; do you want to add a stub?}}
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}
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protocol Shape : Circle {}
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class Circle : Initable & Circle {}
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// expected-error@-1 {{'Circle' inherits from itself}}
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// expected-error@-2 {{type 'Circle' does not conform to protocol 'Initable'}}
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func crash() {
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Circle()
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// expected-error@-1 {{'Circle' cannot be constructed because it has no accessible initializers}}
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}
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