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ac3f047496
toString(x) => String(x) toDebugString(x) => String(reflecting: x) Printable => CustomStringConvertible DebugPrintable => CustomDebugStringConvertible Also updated comments to clarify these protocols Swift SVN r27090
29 lines
1.1 KiB
Swift
29 lines
1.1 KiB
Swift
// RUN: rm -rf %t && mkdir %t
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// RUN: %target-build-swift -emit-library -c %S/Inputs/testability_helper.swift -enable-testing -force-single-frontend-invocation -o %t/testability_helper.o -emit-module
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// RUN: %target-build-swift %s -I %t -Xlinker %t/testability_helper.o -o %t/main
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// RUN: %target-run %t/main | FileCheck %s
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@testable import testability_helper
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func log(value: Any, line: Int = __LINE__) {
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println("\(line): \(value)")
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}
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log(Base(1)) // CHECK: {{^}}[[@LINE]]: instance 1{{$}}
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log(Base(2).description) // CHECK: {{^}}[[@LINE]]: instance 2{{$}}
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log((Base(3) as CustomStringConvertible).description) // CHECK: {{^}}[[@LINE]]: instance 3{{$}}
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class Sub : Base {
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override var description: String {
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return "sub " + super.description
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}
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}
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log(Sub(1)) // CHECK: {{^}}[[@LINE]]: sub instance 1{{$}}
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log(Sub(2) as Any as? Base) // CHECK: {{^}}[[@LINE]]: Optional(sub instance 2){{$}}
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log(Base(1).callPrivate()) // CHECK: {{^}}[[@LINE]]: private 1{{$}}
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log(Sub(2).callPrivate()) // CHECK: {{^}}[[@LINE]]: private 2{{$}}
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log(getPrivateInstance().callPrivate()) // CHECK: {{^}}[[@LINE]]: really private{{$}}
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