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0f420fe8a4
Having a Swift array of C++ reference types without crashing at runtime only became possible recently (https://github.com/apple/swift/pull/73615). When building against an older runtime, one would still see runtime crashes. This is expected because part of the fix is in the Swift runtime. This makes sure we don't try to run tests for C++ reference types with an older Swift runtime. rdar://128681137
88 lines
2.2 KiB
Swift
88 lines
2.2 KiB
Swift
// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -Xfrontend -disable-availability-checking -Onone -D NO_OPTIMIZATIONS)
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// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop -Xfrontend -validate-tbd-against-ir=none -Xfrontend -disable-llvm-verify -Xfrontend -disable-availability-checking -O)
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//
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// REQUIRES: executable_test
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// XFAIL: OS=windows-msvc
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// Temporarily disable when running with an older runtime (rdar://128681137)
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// UNSUPPORTED: use_os_stdlib
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// UNSUPPORTED: back_deployment_runtime
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import StdlibUnittest
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import ReferenceCounted
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var ReferenceCountedTestSuite = TestSuite("Foreign reference types that have reference counts")
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@inline(never)
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public func blackHole<T>(_ _: T) { }
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@inline(never)
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func localTest() {
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var x = NS.LocalCount.create()
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#if NO_OPTIMIZATIONS
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expectEqual(x.value, 8) // This is 8 because of "var x" "x.value" * 2, two method calls on x, and "(x, x, x)".
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#endif
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expectEqual(x.returns42(), 42)
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expectEqual(x.constMethod(), 42)
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let t = (x, x, x)
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#if NO_OPTIMIZATIONS
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expectEqual(x.value, 5)
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#endif
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}
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ReferenceCountedTestSuite.test("Local") {
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expectNotEqual(finalLocalRefCount, 0)
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localTest()
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expectEqual(finalLocalRefCount, 0)
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}
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var globalOptional: NS.LocalCount? = nil
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ReferenceCountedTestSuite.test("Global optional holding local ref count") {
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globalOptional = NS.LocalCount.create()
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expectEqual(finalLocalRefCount, 1)
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}
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@inline(never)
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func globalTest1() {
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var x = GlobalCount.create()
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let t = (x, x, x)
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#if NO_OPTIMIZATIONS
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expectEqual(globalCount, 4)
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#endif
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blackHole(t)
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}
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@inline(never)
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func globalTest2() {
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var x = GlobalCount.create()
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#if NO_OPTIMIZATIONS
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expectEqual(globalCount, 1)
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#endif
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}
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ReferenceCountedTestSuite.test("Global") {
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expectEqual(globalCount, 0)
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globalTest1()
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globalTest2()
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expectEqual(globalCount, 0)
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}
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var globalArray: [GlobalCount] = []
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ReferenceCountedTestSuite.test("Global array") {
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expectEqual(globalCount, 0)
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globalArray = [GlobalCount.create()]
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#if NO_OPTIMIZATIONS
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expectEqual(globalCount, 1)
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#endif
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globalArray = []
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expectEqual(globalCount, 0)
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}
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runAllTests()
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