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103 lines
2.5 KiB
Swift
103 lines
2.5 KiB
Swift
// -*- swift -*-
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// RUN: rm -rf %t ; mkdir -p %t
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// RUN: %S/../../utils/gyb %s -o %t/CastTraps.swift
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// RUN: %S/../../utils/line-directive %t/CastTraps.swift -- %target-build-swift %t/CastTraps.swift -o %t/a.out
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// RUN: %S/../../utils/line-directive %t/CastTraps.swift -- %target-run %t/a.out
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// REQUIRES: executable_test
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// FIXME: Casting.cpp has dozens of places to fail a cast. This test does not
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// attempt to enumerate them all.
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// XFAIL: linux
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import StdlibUnittest
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// Also import modules which are used by StdlibUnittest internally. This
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// workaround is needed to link all required libraries in case we compile
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// StdlibUnittest with -sil-serialize-all.
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import SwiftPrivate
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#if _runtime(_ObjC)
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import ObjectiveC
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#endif
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import Foundation
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% types = []
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% objectTypes = []
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% protocolTypes = []
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% types.append(['a.Class1', 'a.Class2'])
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% objectTypes.append(['a.Class1', 'a.Class2'])
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class Class1 { }
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class Class2 { }
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% types.append(['a.Struct1', 'a.Struct2'])
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struct Struct1 { }
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struct Struct2 { }
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% types.append(['a.ObjCClass1', 'a.ObjCClass2'])
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% objectTypes.append(['a.ObjCClass1', 'a.ObjCClass2'])
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class ObjCClass1 : NSObject { }
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class ObjCClass2 : NSObject { }
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% types.append(['NSDateFormatter', 'NSNumberFormatter'])
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% objectTypes.append(['NSDateFormatter', 'NSNumberFormatter'])
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// non-Swift Objective-C class
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% protocolTypes.append('a.Proto1')
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% protocolTypes.append('a.Proto2')
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protocol Proto1 { }
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protocol Proto2 { }
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% protocolTypes.append('NSURLSessionDelegate')
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// non-Swift Objective-C protocol
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var CastTrapsTestSuite = TestSuite("CastTraps")
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// Test `(T1() as Any) as T2` cast failure
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// for all type pairs.
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% for (t1, _) in types:
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% for (_, t2) in types:
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CastTrapsTestSuite.test("${t1}__${t2}")
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.skip(.custom(
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{ _isFastAssertConfiguration() },
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reason: "this trap is not guaranteed to happen in -Ounchecked"))
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.crashOutputMatches("Could not cast value of type '${t1}' ")
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.crashOutputMatches(" to '${t2}'")
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.code
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{
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let o = ${t1}() as Any
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expectCrashLater()
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o as! ${t2}
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}
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% end
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% end
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// Test `(T1() as AnyObject) as T2` cast failure
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// for object type to protocol type pairs
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% for (t1, _) in objectTypes:
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% for (t2) in protocolTypes:
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CastTrapsTestSuite.test("${t1}__${t2}")
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.skip(.custom(
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{ _isFastAssertConfiguration() },
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reason: "this trap is not guaranteed to happen in -Ounchecked"))
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.crashOutputMatches("Could not cast value of type '${t1}' ")
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.crashOutputMatches(" to '${t2}'")
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.code
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{
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let o = ${t1}() as AnyObject
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expectCrashLater()
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o as! ${t2}
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}
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% end
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% end
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runAllTests()
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