| // RUN: %target-run-simple-swift |
| // REQUIRES: executable_test |
| |
| import StdlibUnittest |
| |
| |
| var ThrowingInitTestSuite = TestSuite("ThrowingInit") |
| |
| enum E : Error { |
| case X |
| } |
| |
| func unwrap(_ b: Bool) throws -> Int { |
| if b { |
| throw E.X |
| } |
| return 0 |
| } |
| |
| class Bear { |
| let x: LifetimeTracked |
| |
| /* Designated */ |
| init(n: Int) { |
| x = LifetimeTracked(0) |
| } |
| |
| init(n: Int, before: Bool) throws { |
| if before { |
| throw E.X |
| } |
| self.x = LifetimeTracked(0) |
| } |
| |
| init(n: Int, after: Bool) throws { |
| self.x = LifetimeTracked(0) |
| if after { |
| throw E.X |
| } |
| } |
| |
| init(n: Int, before: Bool, after: Bool) throws { |
| if before { |
| throw E.X |
| } |
| self.x = LifetimeTracked(0) |
| if after { |
| throw E.X |
| } |
| } |
| |
| /* Convenience */ |
| convenience init(before: Bool) throws { |
| try unwrap(before) |
| self.init(n: 0) |
| } |
| |
| convenience init(before2: Bool) throws { |
| try self.init(n: unwrap(before2)) |
| } |
| |
| convenience init(before: Bool, before2: Bool) throws { |
| try unwrap(before) |
| try self.init(n: unwrap(before2)) |
| } |
| |
| convenience init(during: Bool) throws { |
| try self.init(n: 0, after: during) |
| } |
| |
| convenience init(before: Bool, during: Bool) throws { |
| try unwrap(before) |
| try self.init(n: 0, after: during) |
| } |
| |
| convenience init(after: Bool) throws { |
| self.init(n: 0) |
| try unwrap(after) |
| } |
| |
| convenience init(before: Bool, after: Bool) throws { |
| try unwrap(before) |
| self.init(n: 0) |
| try unwrap(after) |
| } |
| |
| convenience init(during: Bool, after: Bool) throws { |
| try self.init(n: 0, after: during) |
| try unwrap(after) |
| } |
| |
| convenience init(before: Bool, during: Bool, after: Bool) throws { |
| try unwrap(before) |
| try self.init(n: 0, after: during) |
| try unwrap(after) |
| } |
| |
| convenience init(before: Bool, before2: Bool, during: Bool, after: Bool) throws { |
| try unwrap(before) |
| try self.init(n: unwrap(before2), after: during) |
| try unwrap(after) |
| } |
| } |
| |
| class PolarBear : Bear { |
| let y: LifetimeTracked |
| |
| /* Designated */ |
| override init(n: Int) { |
| self.y = LifetimeTracked(0) |
| super.init(n: n) |
| } |
| |
| override init(n: Int, before: Bool) throws { |
| if before { |
| throw E.X |
| } |
| self.y = LifetimeTracked(0) |
| super.init(n: n) |
| } |
| |
| init(n: Int, during: Bool) throws { |
| self.y = LifetimeTracked(0) |
| try super.init(n: n, before: during) |
| } |
| |
| init(n: Int, before: Bool, during: Bool) throws { |
| self.y = LifetimeTracked(0) |
| if before { |
| throw E.X |
| } |
| try super.init(n: n, before: during) |
| } |
| |
| override init(n: Int, after: Bool) throws { |
| self.y = LifetimeTracked(0) |
| super.init(n: n) |
| if after { |
| throw E.X |
| } |
| } |
| |
| init(n: Int, during: Bool, after: Bool) throws { |
| self.y = LifetimeTracked(0) |
| try super.init(n: n, before: during) |
| if after { |
| throw E.X |
| } |
| } |
| |
| override init(n: Int, before: Bool, after: Bool) throws { |
| if before { |
| throw E.X |
| } |
| self.y = LifetimeTracked(0) |
| super.init(n: n) |
| if after { |
| throw E.X |
| } |
| } |
| |
| init(n: Int, before: Bool, during: Bool, after: Bool) throws { |
| if before { |
| throw E.X |
| } |
| self.y = LifetimeTracked(0) |
| try super.init(n: n, before: during) |
| if after { |
| throw E.X |
| } |
| } |
| } |
| |
| class GuineaPig<T> : Bear { |
| let y: LifetimeTracked |
| let t: T |
| |
| init(t: T, during: Bool) throws { |
| self.y = LifetimeTracked(0) |
| self.t = t |
| try super.init(n: 0, before: during) |
| } |
| } |
| |
| struct Chimera { |
| let x: LifetimeTracked |
| let y: LifetimeTracked |
| |
| init(before: Bool) throws { |
| if before { |
| throw E.X |
| } |
| x = LifetimeTracked(0) |
| y = LifetimeTracked(0) |
| } |
| |
| init(during: Bool) throws { |
| x = LifetimeTracked(0) |
| if during { |
| throw E.X |
| } |
| y = LifetimeTracked(0) |
| } |
| |
| init(before: Bool, during: Bool) throws { |
| if before { |
| throw E.X |
| } |
| x = LifetimeTracked(0) |
| if during { |
| throw E.X |
| } |
| y = LifetimeTracked(0) |
| } |
| |
| init(after: Bool) throws { |
| x = LifetimeTracked(0) |
| y = LifetimeTracked(0) |
| if after { |
| throw E.X |
| } |
| } |
| |
| init(before: Bool, after: Bool) throws { |
| if before { |
| throw E.X |
| } |
| x = LifetimeTracked(0) |
| y = LifetimeTracked(0) |
| if after { |
| throw E.X |
| } |
| } |
| |
| init(during: Bool, after: Bool) throws { |
| x = LifetimeTracked(0) |
| if during { |
| throw E.X |
| } |
| y = LifetimeTracked(0) |
| if after { |
| throw E.X |
| } |
| } |
| |
| init(before: Bool, during: Bool, after: Bool) throws { |
| if before { |
| throw E.X |
| } |
| x = LifetimeTracked(0) |
| if during { |
| throw E.X |
| } |
| y = LifetimeTracked(0) |
| if after { |
| throw E.X |
| } |
| } |
| } |
| |
| func mustThrow<T>(_ f: () throws -> T) { |
| do { |
| _ = try f() |
| preconditionFailure("Didn't throw") |
| } catch {} |
| } |
| |
| ThrowingInitTestSuite.test("DesignatedInitSuccess_Root") { |
| _ = try! Bear(n: 0, before: false) |
| _ = try! Bear(n: 0, after: false) |
| _ = try! Bear(n: 0, before: false, after: false) |
| } |
| |
| ThrowingInitTestSuite.test("DesignatedInitFailure_Root") { |
| mustThrow { try Bear(n: 0, before: true) } |
| mustThrow { try Bear(n: 0, after: true) } |
| mustThrow { try Bear(n: 0, before: true, after: false) } |
| mustThrow { try Bear(n: 0, before: false, after: true) } |
| } |
| |
| ThrowingInitTestSuite.test("DesignatedInitSuccess_Derived") { |
| _ = try! PolarBear(n: 0, before: false) |
| _ = try! PolarBear(n: 0, during: false) |
| _ = try! PolarBear(n: 0, before: false, during: false) |
| _ = try! PolarBear(n: 0, during: false, after: false) |
| _ = try! PolarBear(n: 0, before: false, after: false) |
| _ = try! PolarBear(n: 0, before: false, during: false, after: false) |
| } |
| |
| ThrowingInitTestSuite.test("DesignatedInitFailure_Derived") { |
| mustThrow { try PolarBear(n: 0, before: true) } |
| mustThrow { try PolarBear(n: 0, during: true) } |
| mustThrow { try PolarBear(n: 0, before: true, during: false) } |
| mustThrow { try PolarBear(n: 0, before: false, during: true) } |
| mustThrow { try PolarBear(n: 0, after: true) } |
| mustThrow { try PolarBear(n: 0, during: true, after: false) } |
| mustThrow { try PolarBear(n: 0, during: false, after: true) } |
| mustThrow { try PolarBear(n: 0, before: true, after: false) } |
| mustThrow { try PolarBear(n: 0, before: false, after: true) } |
| mustThrow { try PolarBear(n: 0, before: true, during: false, after: false) } |
| mustThrow { try PolarBear(n: 0, before: false, during: true, after: false) } |
| mustThrow { try PolarBear(n: 0, before: false, during: false, after: true) } |
| } |
| |
| ThrowingInitTestSuite.test("DesignatedInitSuccess_DerivedGeneric") { |
| _ = try! GuineaPig(t: LifetimeTracked(0), during: false) |
| } |
| |
| ThrowingInitTestSuite.test("DesignatedInitFailure_DerivedGeneric") { |
| mustThrow { try GuineaPig(t: LifetimeTracked(0), during: true) } |
| } |
| |
| ThrowingInitTestSuite.test("ConvenienceInitSuccess_Root") { |
| _ = try! Bear(before: false) |
| _ = try! Bear(before2: false) |
| _ = try! Bear(before: false, before2: false) |
| _ = try! Bear(during: false) |
| _ = try! Bear(before: false, during: false) |
| _ = try! Bear(after: false) |
| _ = try! Bear(before: false, after: false) |
| _ = try! Bear(during: false, after: false) |
| _ = try! Bear(before: false, during: false, after: false) |
| _ = try! Bear(before: false, before2: false, during: false, after: false) |
| } |
| |
| ThrowingInitTestSuite.test("ConvenienceInitFailure_Root") { |
| mustThrow { try Bear(before: true) } |
| mustThrow { try Bear(before2: true) } |
| mustThrow { try Bear(before: true, before2: false) } |
| mustThrow { try Bear(before: false, before2: true) } |
| mustThrow { try Bear(during: true) } |
| mustThrow { try Bear(before: true, during: false) } |
| mustThrow { try Bear(before: false, during: true) } |
| mustThrow { try Bear(after: true) } |
| mustThrow { try Bear(before: true, after: false) } |
| mustThrow { try Bear(before: false, after: true) } |
| mustThrow { try Bear(during: true, after: false) } |
| mustThrow { try Bear(during: false, after: true) } |
| mustThrow { try Bear(before: true, during: false, after: false) } |
| mustThrow { try Bear(before: false, during: true, after: false) } |
| mustThrow { try Bear(before: false, during: false, after: true) } |
| mustThrow { try Bear(before: true, before2: false, during: false, after: false) } |
| mustThrow { try Bear(before: false, before2: true, during: false, after: false) } |
| mustThrow { try Bear(before: false, before2: false, during: true, after: false) } |
| mustThrow { try Bear(before: false, before2: false, during: false, after: true) } |
| } |
| |
| ThrowingInitTestSuite.test("ConvenienceInitSuccess_Derived") { |
| _ = try! PolarBear(before: false) |
| _ = try! PolarBear(before2: false) |
| _ = try! PolarBear(before: false, before2: false) |
| _ = try! PolarBear(during: false) |
| _ = try! PolarBear(before: false, during: false) |
| _ = try! PolarBear(after: false) |
| _ = try! PolarBear(before: false, after: false) |
| _ = try! PolarBear(during: false, after: false) |
| _ = try! PolarBear(before: false, during: false, after: false) |
| _ = try! PolarBear(before: false, before2: false, during: false, after: false) |
| } |
| |
| ThrowingInitTestSuite.test("ConvenienceInitFailure_Derived") { |
| mustThrow { try PolarBear(before: true) } |
| mustThrow { try PolarBear(before2: true) } |
| mustThrow { try PolarBear(before: true, before2: false) } |
| mustThrow { try PolarBear(before: false, before2: true) } |
| mustThrow { try PolarBear(during: true) } |
| mustThrow { try PolarBear(before: true, during: false) } |
| mustThrow { try PolarBear(before: false, during: true) } |
| mustThrow { try PolarBear(after: true) } |
| mustThrow { try PolarBear(before: true, after: false) } |
| mustThrow { try PolarBear(before: false, after: true) } |
| mustThrow { try PolarBear(during: true, after: false) } |
| mustThrow { try PolarBear(during: false, after: true) } |
| mustThrow { try PolarBear(before: true, during: false, after: false) } |
| mustThrow { try PolarBear(before: false, during: true, after: false) } |
| mustThrow { try PolarBear(before: false, during: false, after: true) } |
| mustThrow { try PolarBear(before: true, before2: false, during: false, after: false) } |
| mustThrow { try PolarBear(before: false, before2: true, during: false, after: false) } |
| mustThrow { try PolarBear(before: false, before2: false, during: true, after: false) } |
| mustThrow { try PolarBear(before: false, before2: false, during: false, after: true) } |
| } |
| |
| ThrowingInitTestSuite.test("InitSuccess_Struct") { |
| _ = try! Chimera(before: false) |
| _ = try! Chimera(during: false) |
| _ = try! Chimera(before: false, during: false) |
| _ = try! Chimera(after: false) |
| _ = try! Chimera(before: false, after: false) |
| _ = try! Chimera(during: false, after: false) |
| _ = try! Chimera(before: false, during: false, after: false) |
| } |
| |
| ThrowingInitTestSuite.test("InitFailure_Struct") { |
| mustThrow { try Chimera(before: true) } |
| mustThrow { try Chimera(during: true) } |
| mustThrow { try Chimera(before: true, during: false) } |
| mustThrow { try Chimera(before: false, during: true) } |
| mustThrow { try Chimera(after: true) } |
| mustThrow { try Chimera(before: true, after: false) } |
| mustThrow { try Chimera(before: false, after: true) } |
| mustThrow { try Chimera(during: true, after: false) } |
| mustThrow { try Chimera(during: false, after: true) } |
| mustThrow { try Chimera(before: true, during: false, after: false) } |
| mustThrow { try Chimera(before: false, during: true, after: false) } |
| mustThrow { try Chimera(before: false, during: false, after: true) } |
| } |
| |
| // Specific regression tests: |
| |
| // <https://bugs.swift.org/browse/SR-1714> - try? self.init(...)` in init? causes overrelease |
| class ThrowAndFailRoot { |
| let x = LifetimeTracked(0) |
| } |
| |
| class ThrowAndFailDerived: ThrowAndFailRoot { |
| let name: String |
| let y = LifetimeTracked(0) |
| |
| init(name: String) throws { |
| self.name = name |
| super.init() |
| if name.isEmpty { |
| struct EmptyError: Error {} |
| throw EmptyError() |
| } |
| } |
| |
| convenience init?(b: Bool) { |
| try? self.init(name: b ? "Bob" : "") |
| } |
| } |
| |
| ThrowingInitTestSuite.test("ThrowsAndFailableTest") { |
| _ = ThrowAndFailDerived(b: true)! |
| if let x = ThrowAndFailDerived(b: false) { preconditionFailure() } |
| } |
| |
| // <https://bugs.swift.org/browse/SR-3132> - Invalid pointer dequeued from free list. Runtime crash on some weird code |
| |
| runAllTests() |
