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// RUN: %empty-directory(%t)
// RUN: %target-build-swift-dylib(%t/%target-library-name(resilient_struct)) -enable-library-evolution %S/../../test/Inputs/resilient_struct.swift -emit-module -emit-module-path %t/resilient_struct.swiftmodule -module-name resilient_struct
// RUN: %target-codesign %t/%target-library-name(resilient_struct)
// RUN: %target-build-swift %s -L %t -I %t -lresilient_struct -o %t/main %target-rpath(%t) -target %target-stable-abi-triple
// RUN: %target-codesign %t/main
// RUN: %target-run %t/main %t/%target-library-name(resilient_struct)
// REQUIRES: executable_test
// REQUIRES: objc_interop
// REQUIRES: OS=macosx
// REQUIRES: CPU=x86_64
// Test that on an old Objective-C runtime we crash if attempting to use a
// class that requires the update callback and does not have a fragile layout.
import StdlibUnittest
import resilient_struct
var ClassTestSuite = TestSuite("Update callback")
public class ClassWithResilientField {
var x = ResilientInt(i: 0)
}
@_optimize(none) func blackHole<T>(_: T) {}
@_optimize(none) func forceMetadata() {
blackHole(ClassWithResilientField())
}
if #available(macOS 10.14.4, iOS 12.2, tvOS 12.2, watchOS 5.2, *) {
ClassTestSuite.test("RealizeResilientClass") {
print("Nothing to test. We have the new Objective-C runtime.")
forceMetadata()
}
} else {
ClassTestSuite.test("RealizeResilientClass")
.crashOutputMatches("class ClassWithResilientField does not have a fragile layout")
.code {
expectCrashLater()
print("About to crash...")
forceMetadata()
}
}
runAllTests()
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