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41 lines
1.1 KiB
Swift
41 lines
1.1 KiB
Swift
// RUN: rm -rf %t
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// RUN: mkdir -p %t
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// RUN: %target-build-swift %s -o %t/Assert_Debug -Onone
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// RUN: %target-build-swift %s -Xfrontend -disable-access-control -o %t/Assert_Release -O
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// RUN: %target-build-swift %s -Xfrontend -disable-access-control -o %t/Assert_Unchecked -Ounchecked
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//
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// RUN: %target-run %t/Assert_Debug
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// RUN: %target-run %t/Assert_Release
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// RUN: %target-run %t/Assert_Unchecked
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import StdlibUnittest
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func returnNil() -> AnyObject? {
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return _opaqueIdentity(nil as AnyObject?)
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}
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var OptionalTraps = TestSuite("OptionalTraps")
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OptionalTraps.test("UnwrapNone")
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.skip(.Custom(
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{ _isFastAssertConfiguration() },
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reason: "unwrapping nil might or might not cause a crash in -Ounchecked mode"))
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.code {
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var a: AnyObject? = returnNil()
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expectCrashLater()
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let unwrapped: AnyObject = a!
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_blackHole(unwrapped)
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}
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OptionalTraps.test("UnwrapNone/Ounchecked")
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.xfail(.Custom(
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{ !_isFastAssertConfiguration() },
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reason: "unwrapping nil should trap unless we are in -Ounchecked mode"))
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.code {
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var a: AnyObject? = returnNil()
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expectEqual(0, unsafeBitCast(a!, Word.self))
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}
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runAllTests()
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