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749f8500d6
We now suggest up to three Fix-Its for each reference to a potentially
unavailable symbol: one to wrap the reference in an if #os(...) { ... }
guard (if possible), one to add an @availability attribute to an enclosing
property or method (if possible), and one to add an @availability attribute
to an enclosing class/struct/extension, etc. or global function.
The goal here is not to infer the "best" Fix-It but rather to ensure
discoverability of #os() and @availability attributes. We want the user, when
faced with an availability diagnostic, to be aware of the tools in her toolbox
to deal with it.
This is still missing QoI improvements, including Fix-Its to update
existing @availability attributes and more precise wording in diagnostics
(e.g, "initializer" instead of function, "class" instead of "type"). These
improvements will come in later commits.
Swift SVN r26073
100 lines
5.5 KiB
Swift
100 lines
5.5 KiB
Swift
// RUN: %target-parse-verify-swift %clang-importer-sdk -I %S/Inputs/custom-modules -enable-experimental-availability-checking
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// REQUIRES: OS=macosx
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// REQUIRES: objc_interop
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import Foundation
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// Tests for uses of version-based potential unavailability imported from ObjC APIs.
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func callUnavailableObjC() {
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let _ = NSAvailableOn10_10() // expected-error {{'NSAvailableOn10_10' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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if #os(OSX >= 10.10) {
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let o = NSAvailableOn10_10()
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// Properties
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let _ = o.propertyOn10_11 // expected-error {{'propertyOn10_11' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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o.propertyOn10_11 = 22 // expected-error {{'propertyOn10_11' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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// Methods
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o.methodAvailableOn10_11() // expected-error {{'methodAvailableOn10_11()' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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// Initializers
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let _ = NSAvailableOn10_10(stringOn10_11:"Hi") // expected-error {{'init(stringOn10_11:)' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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}
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}
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// Declarations with Objective-C-originated potentially unavailable APIs
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func functionWithObjCParam(o: NSAvailableOn10_10) { // expected-error {{'NSAvailableOn10_10' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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}
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class ClassExtendingUnvailableClass : NSAvailableOn10_10 { // expected-error {{'NSAvailableOn10_10' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing type}}
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}
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class ClassAdoptingUnavailableProtocol : NSProtocolAvailableOn10_10 { // expected-error {{'NSProtocolAvailableOn10_10' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing type}}
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}
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// Enums from Objective-C
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let _: NSUnavailableOptions = .First // expected-error {{'NSUnavailableOptions' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{guard with version check}}
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let _: NSOptionsWithUnavailableElement = .Third // expected-error {{'Third' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{guard with version check}}
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let _: NSUnavailableEnum = .First // expected-error {{'NSUnavailableEnum' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{guard with version check}}
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let _: NSEnumWithUnavailableElement = .Third // expected-error {{'Third' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{guard with version check}}
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// Differing availability on getters and setters imported from ObjC.
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func gettersAndSettersFromObjC(o: NSAvailableOn10_9) {
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let _: Int = o.propertyOn10_10WithSetterOn10_11After // expected-error {{'propertyOn10_10WithSetterOn10_11After' is only available on OS X version 10.10 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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if #os(OSX >= 10.10) {
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// Properties with unavailable accessors declared before property in Objective-C header
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o.propertyOn10_10WithSetterOn10_11Before = 5 // expected-error {{setter for 'propertyOn10_10WithSetterOn10_11Before' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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let _: Int = o.propertyOn10_10WithGetterOn10_11Before // expected-error {{getter for 'propertyOn10_10WithGetterOn10_11Before' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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// Properties with unavailable accessors declared after property in Objective-C header
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o.propertyOn10_10WithSetterOn10_11After = 5 // expected-error {{setter for 'propertyOn10_10WithSetterOn10_11After' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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let _: Int = o.propertyOn10_10WithGetterOn10_11After // expected-error {{getter for 'propertyOn10_10WithGetterOn10_11After' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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// Property with unavailable setter redeclared in Objective-C category
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o.readOnlyRedeclaredWithSetterInCategory = 5 // expected-error {{setter for 'readOnlyRedeclaredWithSetterInCategory' is only available on OS X version 10.11 or greater}}
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// expected-note@-1 {{add @availability attribute to enclosing function}}
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// expected-note@-2 {{guard with version check}}
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}
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}
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