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https://github.com/apple/swift.git
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862efcf3a0
Adds support for printing a C++ foreign reference in Swift.
Also skips metadata of private fields in C++ records imported as Swift classes, following up on #81035
(cherry-picked from 848fad0021)
98 lines
2.6 KiB
Swift
98 lines
2.6 KiB
Swift
// RUN: %target-run-simple-swift(-cxx-interoperability-mode=default -I %S/Inputs)
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// REQUIRES: executable_test
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// Metadata for foreign reference types is not supported on Windows.
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// UNSUPPORTED: OS=windows-msvc
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import StdlibUnittest
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import Mirror
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var MirrorTestSuite = TestSuite("Mirrors")
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MirrorTestSuite.test("EmptyCxxStruct") {
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let s = EmptyStruct()
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let m = Mirror(reflecting: s)
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expectEqual(.`struct`, m.displayStyle)
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expectTrue(m.subjectType == EmptyStruct.self)
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expectEqual(0, m.children.count)
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var output = ""
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dump(s, to: &output)
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expectEqual("- __C.EmptyStruct\n", output)
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}
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MirrorTestSuite.test("EmptyCxxClass") {
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let s = EmptyClass()
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let m = Mirror(reflecting: s)
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expectEqual(.`struct`, m.displayStyle)
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expectTrue(m.subjectType == EmptyClass.self)
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expectEqual(0, m.children.count)
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var output = ""
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dump(s, to: &output)
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expectEqual("- __C.EmptyClass\n", output)
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}
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MirrorTestSuite.test("CxxStructWithFields") {
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let s = BaseStruct(1, 2, 3)
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let m = Mirror(reflecting: s)
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expectEqual(.`struct`, m.displayStyle)
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expectTrue(m.subjectType == BaseStruct.self)
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expectEqual(1, m.children.count)
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expectEqual("publ", m.children.first!.label)
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expectEqual(2, m.children.first!.value as? Int32)
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var output = ""
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dump(s, to: &output)
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let expected =
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"▿ __C.BaseStruct\n" +
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" - publ: 2\n"
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expectEqual(expected, output)
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}
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MirrorTestSuite.test("CxxStructWithStructsAsFields") {
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let s = OuterStruct()
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let m = Mirror(reflecting: s)
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expectEqual(.`struct`, m.displayStyle)
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expectTrue(m.subjectType == OuterStruct.self)
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expectEqual(1, m.children.count)
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expectEqual("publStruct", m.children.first!.label)
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var output = ""
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dump(s, to: &output)
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let expected =
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"▿ __C.OuterStruct\n" +
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" ▿ publStruct: __C.BaseStruct\n" +
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" - publ: 5\n"
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expectEqual(expected, output)
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}
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if #available(SwiftStdlib 6.2, *) {
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MirrorTestSuite.test("CxxFRTStruct") {
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let s = FRTStruct()
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let m = Mirror(reflecting: s)
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expectEqual(.foreignReference, m.displayStyle)
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expectTrue(m.subjectType == FRTStruct.self)
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expectEqual(0, m.children.count)
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var output = ""
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dump(s, to: &output)
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expectEqual("- __C.FRTStruct\n", output)
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}
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MirrorTestSuite.test("CxxFRTImmortalClass") {
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let s = FRTImmortalClass()
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let m = Mirror(reflecting: s)
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expectEqual(.foreignReference, m.displayStyle)
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expectTrue(m.subjectType == FRTImmortalClass.self)
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expectEqual(0, m.children.count)
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var output = ""
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dump(s, to: &output)
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expectEqual("- __C.FRTImmortalClass\n", output)
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}
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}
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runAllTests()
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