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ba5b1bab89
The use of a synthesized C++ method allows us to avoid making a copy of self when invoking the base method from Swift
108 lines
3.9 KiB
Swift
108 lines
3.9 KiB
Swift
// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop)
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//
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// REQUIRES: executable_test
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import StdlibUnittest
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import Functions
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var FunctionsTestSuite = TestSuite("Calling functions in base classes")
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FunctionsTestSuite.test("Basic methods from derived") {
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let derived = Derived()
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expectEqual(String(cString: derived.constInBase()!), "Base::constInBase")
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expectEqual(String(cString: derived.takesArgsInBase(0, 1, 2)!), "Base::takesArgsInBase")
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var mutableDerived = derived
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expectEqual(String(cString: mutableDerived.mutatingInBase()!), "Base::mutatingInBase")
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}
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FunctionsTestSuite.test("NonTrivial methods from derived") {
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let derived = Derived()
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expectEqual(String(cString: derived.takesNonTrivialInBase(NonTrivial())!), "Base::takesNonTrivialInBase")
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_ = derived.returnsNonTrivialInBase()
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}
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// TODO: eventually support templates.
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//FunctionsTestSuite.test("Template from derived") {
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// let derived = Derived()
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// expectEqual(String(cString: derived.templateInBase(0)!), "Base::templateInBase")
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//}
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// TODO: eventually support static functions.
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//FunctionsTestSuite.test("Static from derived") {
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// expectEqual(String(cString: Derived.staticInBase()!), "Base::staticInBase")
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//}
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FunctionsTestSuite.test("Other base member from derived") {
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let derived = Derived()
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expectEqual(String(cString: derived.inOtherBase()!), "OtherBase::inOtherBase")
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}
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FunctionsTestSuite.test("Unambiguous members from derived") {
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let derived = Derived()
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expectEqual(derived.sameMethodNameSameSignature(), 21)
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expectEqual(derived.sameMethodDifferentSignature(1), 2)
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expectEqual(derived.sameMethodDifferentSignature(), 18)
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}
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FunctionsTestSuite.test("Basic methods from derived * 2") {
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let dd = DerivedFromDerived()
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expectEqual(String(cString: dd.constInBase()!), "Base::constInBase")
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expectEqual(String(cString: dd.takesArgsInBase(0, 1, 2)!), "Base::takesArgsInBase")
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var mutableDerived = dd
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expectEqual(String(cString: mutableDerived.mutatingInBase()!), "Base::mutatingInBase")
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}
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FunctionsTestSuite.test("NonTrivial methods from derived * 2") {
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let dd = DerivedFromDerived()
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expectEqual(String(cString: dd.takesNonTrivialInBase(NonTrivial())!), "Base::takesNonTrivialInBase")
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_ = dd.returnsNonTrivialInBase()
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}
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// TODO: eventually support static functions.
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//FunctionsTestSuite.test("Static from derived * 2") {
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// expectEqual(String(cString: DerivedFromDerived.staticInBase()!), "Base::staticInBase")
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//}
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FunctionsTestSuite.test("Other base member from derived * 2") {
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let dd = DerivedFromDerived()
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expectEqual(String(cString: dd.inOtherBase()!), "OtherBase::inOtherBase")
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}
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FunctionsTestSuite.test("base member from derived from non trivial") {
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let dnt = DerivedFromNonTrivial()
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expectEqual(String(cString: dnt.inNonTrivial()!), "NonTrivial::inNonTrivial")
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expectEqual(String(cString: dnt.inNonTrivialWithArgs(0, 1)!), "NonTrivial::inNonTrivialWithArgs")
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}
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FunctionsTestSuite.test("non-empty derived from empty class") {
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let derived = DerivedFromEmptyBaseClass()
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expectEqual(String(cString: derived.inBase()!), "EmptyBaseClass::inBase")
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expectEqual(derived.b, 42)
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}
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FunctionsTestSuite.test("base member calls do not require copying") {
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let derived = CopyTrackedDerivedClass(42)
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var copyCounter = getCopyCounter().pointee
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expectEqual(derived.getX(), 42)
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expectEqual(copyCounter, getCopyCounter().pointee)
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expectEqual(derived.getDerivedX(), 42)
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expectEqual(copyCounter, getCopyCounter().pointee)
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let derivedDerived = CopyTrackedDerivedDerivedClass(-5)
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copyCounter = getCopyCounter().pointee
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expectEqual(derivedDerived.getX(), -5)
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expectEqual(derivedDerived.getY(), 11)
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expectEqual(copyCounter, getCopyCounter().pointee)
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}
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FunctionsTestSuite.test("mutating base member calls do not require copying") {
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var derived = CopyTrackedDerivedClass(42)
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var copyCounter = getCopyCounter().pointee
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expectEqual(derived.getXMut(), 42)
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expectEqual(copyCounter, getCopyCounter().pointee)
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}
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runAllTests()
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