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cbc0ec3b88
These are tests that fail in the next commit without this flag. This does not add -verify-ignore-unrelated to all tests with -verify, only the ones that would fail without it. This is NFC since this flag is currently a no-op.
99 lines
3.5 KiB
Swift
99 lines
3.5 KiB
Swift
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -verify -verify-ignore-unrelated %s
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// REQUIRES: objc_interop
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import Foundation
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struct NotClass {}
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class SomeClass {}
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func nsobject_as_class_cast<T>(_ x: NSObject, _: T) {
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let _ = x is AnyObject.Type
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let _ = x as! AnyObject.Type
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let _ = x as? AnyObject.Type
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let _ = x is Any.Type
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let _ = x as! Any.Type
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let _ = x as? Any.Type
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let _ = x is SomeClass.Type
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let _ = x as! SomeClass.Type
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let _ = x as? SomeClass.Type
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let _ = x is T.Type
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let _ = x as! T.Type
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let _ = x as? T.Type
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let _ = x is NotClass.Type // expected-warning{{cast from 'NSObject' to unrelated type 'NotClass.Type' always fails}}
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let _ = x as! NotClass.Type // expected-warning{{cast from 'NSObject' to unrelated type 'NotClass.Type' always fails}}
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let _ = x as? NotClass.Type // expected-warning{{cast from 'NSObject' to unrelated type 'NotClass.Type' always fails}}
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}
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// <rdar://problem/20294245> QoI: Error message mentions value rather than key for subscript
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func test(_ a : CFString!, b : CFString) {
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let dict = NSMutableDictionary()
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let object = NSObject()
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dict[a] = object
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dict[b] = object
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}
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// <rdar://problem/22507759> QoI: poor error message for invalid unsafeDowncast()
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let r22507759: NSObject! = "test" as NSString
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let _: NSString! = unsafeDowncast(r22507759) // expected-error {{missing argument for parameter 'to' in call}}
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// rdar://problem/29496775
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// https://github.com/apple/swift/issues/45907
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func f_45907(f: CGFloat, n: NSNumber) {
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let _ = [f].map { $0 as NSNumber }
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let _ = [n].map { $0 as! CGFloat }
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}
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func alwaysSucceedingConditionalCasts(f: CGFloat, n: NSNumber) {
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let _ = f as? NSNumber // expected-warning{{conditional cast from 'CGFloat' to 'NSNumber' always succeeds}}
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let _ = n as? CGFloat
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}
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func optionalityReducingCasts(f: CGFloat?, n: NSNumber?) {
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let _ = f as? NSNumber
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let _ = f as! NSNumber // expected-warning{{forced cast from 'CGFloat?' to 'NSNumber' only unwraps and bridges; did you mean to use '!' with 'as'?}}
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let _ = n as? CGFloat
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let _ = n as! CGFloat
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}
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func optionalityMatchingCasts(f: CGFloat?, n: NSNumber?) {
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let _ = f as NSNumber?
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let _ = f as? NSNumber? // expected-warning{{conditional cast from 'CGFloat?' to 'NSNumber?' always succeeds}}
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let _ = f as! NSNumber? // expected-warning{{forced cast from 'CGFloat?' to 'NSNumber?' always succeeds; did you mean to use 'as'?}}{{13-16=as}}
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let _ = n as? CGFloat?
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let _ = n as! CGFloat?
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}
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func optionalityMatchingCastsIUO(f: CGFloat?!, n: NSNumber?!) {
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let _ = f as NSNumber?
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let _ = f as? NSNumber?
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let _ = f as! NSNumber? // expected-warning{{forced cast from 'CGFloat??' to 'NSNumber?' only unwraps and bridges; did you mean to use '!' with 'as'?}}
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let _ = n as? CGFloat?
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let _ = n as! CGFloat?
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}
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func optionalityMismatchingCasts(f: CGFloat, n: NSNumber, fooo: CGFloat???,
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nooo: NSNumber???) {
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_ = f as NSNumber?
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_ = f as NSNumber??
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let _ = fooo as NSNumber?? // expected-error{{cannot convert value of type 'CGFloat???' to type 'NSNumber??' in coercion}}
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//expected-note@-1 {{arguments to generic parameter 'Wrapped' ('CGFloat?' and 'NSNumber') are expected to be equal}}
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let _ = fooo as NSNumber???? // okay: injects extra optionals
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}
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func anyObjectCasts(xo: [Int]?, xooo: [Int]???, x: [Int]) {
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_ = x as AnyObject
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_ = x as AnyObject?
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_ = xo as AnyObject
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_ = xo as AnyObject?
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_ = xooo as AnyObject??
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_ = xooo as AnyObject???
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_ = xooo as AnyObject???? // okay: injects extra optionals
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}
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