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61 lines
3.3 KiB
Swift
61 lines
3.3 KiB
Swift
// RUN: rm -rf %t
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// RUN: mkdir %t
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// FIXME: BEGIN -enable-source-import hackaround
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -emit-module -o %t %clang-importer-sdk-path/swift-modules/Foundation.swift
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// FIXME: END -enable-source-import hackaround
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) -parse %s -verify
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk-nosource -I %t) %s -dump-ast -verify 2>&1 | FileCheck %s
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// REQUIRES: objc_interop
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import Foundation
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func testDowncastObjectToArray(obj: AnyObject, objImplicit: AnyObject!) {
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var nsstrArr1 = (obj as! [NSString])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[NSString]'}}{{39-40=}}
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var strArr1 = (obj as! [String])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[String]'}}{{35-36=}}
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var nsstrArr2 = (objImplicit as! [NSString])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[NSString]'}}{{47-48=}}
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var strArr2 = (objImplicit as! [String])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[String]'}}{{43-44=}}
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}
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func testArrayDowncast(arr: [AnyObject], arrImplicit: [AnyObject]!) {
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var nsstrArr1 = (arr as! [NSString])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[NSString]'}}
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var strArr1 = (arr as! [String])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[String]'}}
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var nsstrArr2 = (arrImplicit as! [NSString])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[NSString]'}}
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var strArr2 = (arrImplicit as! [String])! // expected-error{{extraneous postfix '!'; forced downcast already produces a non-optional value of type '[String]'}}
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}
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func testDowncastNSArrayToArray(nsarray: NSArray) {
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var nsstrArr1 = nsarray as! [NSString]
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var strArr1 = nsarray as! [String]
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}
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// CHECK-LABEL: testDowncastOptionalObject
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func testDowncastOptionalObject(obj: AnyObject?!) -> [String]? {
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// CHECK: (optional_evaluation_expr implicit type='[String]?'
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// CHECK-NEXT: (inject_into_optional implicit type='[String]?'
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// CHECK: (forced_checked_cast_expr type='[String]'{{.*value_cast}}
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// CHECK: (bind_optional_expr implicit type='AnyObject'
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// CHECK-NEXT: (force_value_expr implicit type='AnyObject?'
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// CHECK-NEXT: (declref_expr type='AnyObject?!'
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return obj as! [String]?
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}
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// CHECK-LABEL: testDowncastOptionalObjectConditional
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func testDowncastOptionalObjectConditional(obj: AnyObject?!) -> [String]?? {
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// CHECK: (optional_evaluation_expr implicit type='[String]??'
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// CHECK-NEXT: (inject_into_optional implicit type='[String]??'
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// CHECK-NEXT: (optional_evaluation_expr implicit type='[String]?'
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// CHECK-NEXT: (inject_into_optional implicit type='[String]?'
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// CHECK-NEXT: (bind_optional_expr implicit type='[String]'
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// CHECK-NEXT: (conditional_checked_cast_expr type='[String]?' {{.*value_cast}} writtenType=[String]?
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// CHECK-NEXT: (bind_optional_expr implicit type='AnyObject'
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// CHECK-NEXT: (bind_optional_expr implicit type='AnyObject?'
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// CHECK-NEXT: (declref_expr type='AnyObject?!'
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return obj as? [String]?
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}
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