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* [CSDiagnostics] Emit fix-its to insert requirement stubs in editor mode for missing protocols in context * [CSDiagnostics] Only include missing requirements in stub fix-it for missing protocols in context The conforming type may already have declarations that could satisfy a requirement, so we shouldn't include it in the fix-it
46 lines
1.2 KiB
Swift
46 lines
1.2 KiB
Swift
// RUN: %target-swift-frontend -typecheck -diagnostics-editor-mode -verify %s
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// Test that we emit fix-its to insert requirement stubs for the missing protocol conformance, in addition to adding the conformance.
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protocol P {
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func method()
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var property: Int { get }
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}
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class C {
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var p: P?
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func assign() {
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p = self
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// expected-error@-1 {{cannot assign value of type 'C' to type 'P?'}}
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// expected-note@-2 {{add missing conformance to 'P' to class 'C'}} {{8-8=: P}} {{10-10=\n func method() {\n <#code#>\n \}\n\n var property: Int\n}}
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}
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}
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// Test that we don't emit fix-it to insert a requirement stub if there is already a satisfying witness.
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class C1 {
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var p: P?
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func assign() {
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p = self
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// expected-error@-1 {{cannot assign value of type 'C1' to type 'P?'}}
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// expected-note@-2 {{add missing conformance to 'P' to class 'C1'}} {{9-9=: P}} {{11-11=\n var property: Int\n}}
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}
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func method() {}
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}
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class C2 {
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var p: P?
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func assign() {
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p = self
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// expected-error@-1 {{cannot assign value of type 'C2' to type 'P?'}}
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// expected-note@-2 {{add missing conformance to 'P' to class 'C2'}} {{9-9=: P}}
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}
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func method() {}
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var property: Int = 0
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}
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