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|
enum E {
case first
case second
case third
case fourth
}
func checkForEnum(e: E) {
if e == .first {
print("first")
} else if e == .second {
print("second")
}
else {
print("default")
}
let x = "some other type"
if e == .first {
print("first")
} else if x == "some value" {
print("x")
}
}
func checkBiggerOrSmallerSign(integer: Int) {
if integer > 0 {
print("Positive integer")
} else if integer < 0 {
print("Negative integer")
} else {
print("Zero")
}
}
func checkInverseCondition(e: E) {
if .first == e {
print("first")
} else if .second == e {
print("second")
} else {
print("default")
}
}
func checkAvailabilityCondition() {
if #available(iOS 13, *) {
print("#available may only be used as condition of an 'if', 'guard' or 'while' statement")
}
}
func checkCaseCondition() {
let someOptional: Int? = 42
// Match using an enumeration case pattern.
if case .some(let x) = someOptional {
print(x)
}
// Match using an optional pattern.
if case let x? = someOptional {
print(x)
}
}
func checkOptionalBindingCondition(optional: String?) {
if let unwrapped = optional {
print(unwrapped)
}
if var unwrapped = optional {
unwrapped += "!"
print(unwrapped)
}
}
func checkConditionalList(x: Int, y: Int) -> Bool {
if x > 0, y < 0 {
return false
}
if x > 0, x < 10 {
return true
}
}
func checkFunctionCallExpression() {
if checkConditionalList(x: 0, y: 0) {
print("false")
}
}
func checkMultipleOrConditions(e: E) {
if e == .first || e == .second || e == .third {
print("1-3")
} else if e == .fourth {
print("4")
} else {
print(">4")
}
}
func checkMultipleAndConditions(e: E) {
if e == .first && e == .second && e == .third {
print("Never executed")
} else {
print("Whenever")
}
}
func checkMultipleWithUnrelatedCondition(e: E, x: Int) {
if e == .first || x > 0 {
print("e is the first or x is positive")
} else {
print("Shouldn't convert to switch")
}
}
func checkOperatorIsActuallyBeingUsed(e: E) {
if e != .first {
print("Can't use at case statement")
}
}
func checkLabeledCondition() {
enum Foo { case a, b, c }
let e = Foo.a
let f = Foo.a
outerLabel: if e == .a {
innerLabel: switch f {
case .a:
break outerLabel
default:
break innerLabel
}
print("outside switch")
}
print("outside if")
}
func checkEnumWithAssociatedValues() {
enum Barcode {
case upc(Int, Int, Int, Int)
case qrCode(String)
}
let productBarcode = Barcode.upc(8, 85909, 51226, 3)
if case .upc(let numberSystem, let manufacturer, let product, let check) = productBarcode {
print("UPC : \(numberSystem), \(manufacturer), \(product), \(check).")
} else if case let .qrCode(productCode) = productBarcode {
print("QR code: \(productCode).")
}
}
func checkEquatableProtocol(x: Int) {
if x == 5 {
print("5")
} else if x == 4 {
print("4")
} else if 1...3 ~= x {
print("1...3")
} else {
print("default")
}
struct MyType: Equatable { let v: String }
let y = MyType(v: "hello")
if y == MyType(v: "bye") {
print("bye")
} else if y == MyType(v: "tchau") {
print("tchau")
} else {
print("default")
}
}
// RUN: %refactor -pos=9:3 -end-pos=16:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=19:3 -end-pos=23:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=27:3 -end-pos=33:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=37:3 -end-pos=43:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=47:3 -end-pos=49:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=55:3 -end-pos=57:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=60:3 -end-pos=62:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=66:3 -end-pos=68:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=70:3 -end-pos=73:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=77:3 -end-pos=79:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=81:3 -end-pos=83:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=87:3 -end-pos=89:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=93:3 -end-pos=99:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=103:3 -end-pos=107:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=111:3 -end-pos=115:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=119:3 -end-pos=121:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT2
// RUN: %refactor -pos=129:3 -end-pos=137:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=148:3 -end-pos=152:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=156:3 -end-pos=164:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// RUN: %refactor -pos=169:3 -end-pos=175:4 -source-filename %s | %FileCheck %s -check-prefix=CHECK-CONVERT-TO-SWITCH-STATEMENT
// CHECK-CONVERT-TO-SWITCH-STATEMENT: Convert To Switch Statement
// CHECK-CONVERT-TO-SWITCH-STATEMENT2: Action begins
// CHECK-CONVERT-TO-SWITCH-STATEMENT2-NOT: Convert To Switch Statement
// CHECK-CONVERT-TO-SWITCH-STATEMENT2: Action ends
|
