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Classes defined in Objective-C are mangled differently from Swift-defined classes, and have no nominal type descriptor. Recognize this mangling and search for the appropriate Objective-C class using the Objective-C runtime. Thread the resulting metadata through the mangled name -> metadata decoder.
41 lines
1.0 KiB
Swift
41 lines
1.0 KiB
Swift
// RUN: %target-run-simple-swift
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// REQUIRES: executable_test
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// REQUIRES: objc_interop
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import StdlibUnittest
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import Foundation
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let DemangleToMetadataTests = TestSuite("DemangleToMetadataObjC")
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@objc class C : NSObject { }
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@objc enum E: Int { case a }
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@objc protocol P1 { }
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DemangleToMetadataTests.test("@objc classes") {
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expectEqual(type(of: C()), _typeByMangledName("4main1CC")!)
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}
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DemangleToMetadataTests.test("@objc enums") {
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expectEqual(type(of: E.a), _typeByMangledName("4main1EO")!)
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}
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func f1_composition_objc_protocol(_: P1) { }
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DemangleToMetadataTests.test("@objc protocols") {
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expectEqual(type(of: f1_composition_objc_protocol),
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_typeByMangledName("yy4main2P1_pc")!)
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}
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DemangleToMetadataTests.test("Objective-C classes") {
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expectEqual(type(of: NSObject()), _typeByMangledName("So8NSObjectC")!)
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}
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func f1_composition_NSCoding(_: NSCoding) { }
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DemangleToMetadataTests.test("Objective-C protocols") {
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expectEqual(type(of: f1_composition_NSCoding), _typeByMangledName("yySo8NSCoding_pc")!)
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}
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runAllTests()
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