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// RUN: %target-run-simple-swift(-I %S/Inputs/ -Xfrontend -enable-experimental-cxx-interop)
//
// REQUIRES: executable_test
import StdlibUnittest
import Fields
var FieldsTestSuite = TestSuite("Getting and setting fields in base classes")
struct SwiftStructWrapper {
let value: DerivedFromOneField
}
func optionalDerivedFromAll() -> DerivedFromAll? { DerivedFromAll() }
FieldsTestSuite.test("Fields from derived from all") {
let derived = DerivedFromAll()
expectEqual(derived.a, 1)
expectEqual(derived.b, 2)
expectEqual(derived.c, 3)
expectEqual(derived.d, 4)
expectEqual(derived.e, 5)
expectEqual(derived.f, 6)
var mutable = DerivedFromAll()
mutable.a = 42
mutable.d = 44
mutable.e = 46
mutable.f = 48
expectEqual(mutable.a, 42)
expectEqual(mutable.d, 44)
expectEqual(mutable.e, 46)
expectEqual(mutable.f, 48)
}
FieldsTestSuite.test("Optional") {
let derived = optionalDerivedFromAll()
expectEqual(derived!.a, 1)
expectEqual(derived!.b, 2)
expectEqual(derived!.c, 3)
expectEqual(derived!.d, 4)
expectEqual(derived!.e, 5)
expectEqual(derived!.f, 6)
}
FieldsTestSuite.test("Struct holding derived from one field") {
let derived = DerivedFromOneField()
let s = SwiftStructWrapper(value: derived)
expectEqual(s.value.value, 42)
}
FieldsTestSuite.test("Fields from derived from non trivial") {
let derived = NonTrivialDerivedFromAll()
expectEqual(derived.a, 1)
expectEqual(derived.b, 2)
expectEqual(derived.c, 3)
expectEqual(derived.d, 4)
expectEqual(derived.e, 5)
expectEqual(derived.f, 6)
var mutable = NonTrivialDerivedFromAll()
mutable.a = 42
mutable.d = 44
mutable.e = 46
mutable.f = 48
expectEqual(mutable.a, 42)
expectEqual(mutable.d, 44)
expectEqual(mutable.e, 46)
expectEqual(mutable.f, 48)
}
FieldsTestSuite.test("Derived from class template") {
var derived = DerivedFromClassTemplate()
derived.value = 42
expectEqual(derived.value, 42)
}
FieldsTestSuite.test("Same field from derived") {
var derived = DerivedWithSameField()
derived.a = 42
expectEqual(derived.a, 42)
}
extension CopyTrackedBaseClass {
var swiftProp: CInt {
return x
}
}
FieldsTestSuite.test("Get field without copying base in the getter accessor") {
let base = CopyTrackedBaseClass(0)
var copyCounter = getCopyCounter().pointee
expectEqual(base.swiftProp, 0)
// Measure copy counter of a regular
// property access for a C++ type to compare
// it to see if any additional copies are
// needed to access the property from the base class.
let expectedCopyCountDiff = getCopyCounter().pointee - copyCounter
let derived = CopyTrackedDerivedClass(234)
copyCounter = getCopyCounter().pointee
expectEqual(derived.x, 234)
expectEqual(copyCounter, getCopyCounter().pointee - expectedCopyCountDiff)
let derivedDerived = CopyTrackedDerivedDerivedClass(-11)
copyCounter = getCopyCounter().pointee
expectEqual(derivedDerived.x, -11)
expectEqual(copyCounter, getCopyCounter().pointee - expectedCopyCountDiff)
}
FieldsTestSuite.test("Structs with virtual methods") {
var derived = InheritFromStructsWithVirtualMethod()
derived.d = 42
expectEqual(derived.d, 42)
}
FieldsTestSuite.test("Field in tail padding of base class") {
let usesBaseTailPadding = DerivedUsesBaseTailPadding()
expectEqual(usesBaseTailPadding.field2, 789)
expectEqual(usesBaseTailPadding.field4, 456)
expectEqual(usesBaseTailPadding.field8, 123)
}
FieldsTestSuite.test("Out-of-order inheritance") {
let d = DerivedOutOfOrder()
expectEqual(d.leafField, 789)
expectEqual(d.derivedField, 456)
expectEqual(d.baseField, 123)
}
runAllTests()
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