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Print.swift
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Print.swift
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// RUN: mkdir -p %t
// RUN: %target-build-swift %s -parse-stdlib -Xfrontend -disable-access-control -o %t/a.out -Xlinker -dead_strip
// RUN: %target-run %t/a.out env | FileCheck %s
// RUN: %target-run %t/a.out ru_RU.UTF-8 | FileCheck %s
// REQUIRES: executable_test
// XFAIL: linux
import Swift
import Darwin
// Interpret the command line arguments.
var arg = Process.arguments[1]
if arg == "env" {
setlocale(LC_ALL, "")
} else {
setlocale(LC_ALL, arg)
}
func stdlibTypesHaveDescription() {
func hasDescription(_: CustomStringConvertible) {}
hasDescription(Int(42))
hasDescription(UInt(42))
hasDescription(Int8(-42))
hasDescription(Int16(-42))
hasDescription(Int32(-42))
hasDescription(Int64(-42))
hasDescription(UInt8(42))
hasDescription(UInt16(42))
hasDescription(UInt32(42))
hasDescription(UInt64(42))
hasDescription(Bool(true))
hasDescription(CChar(42))
hasDescription(CUnsignedChar(42))
hasDescription(CUnsignedShort(42))
hasDescription(CUnsignedInt(42))
hasDescription(CUnsignedLong(42))
hasDescription(CUnsignedLongLong(42))
hasDescription(CSignedChar(42))
hasDescription(CShort(42))
hasDescription(CInt(42))
hasDescription(CLong(42))
hasDescription(CLongLong(42))
hasDescription(CFloat(1.0))
hasDescription(CDouble(1.0))
hasDescription(CWideChar(42))
hasDescription(CChar16(42))
hasDescription(CChar32(42))
hasDescription(CBool(true))
}
var failed = false
func printedIs<T>(
object: T, _ expected1: String, expected2: String? = nil,
file: StaticString = __FILE__, line: UInt = __LINE__
) {
let actual = String(object)
var match = expected1 == actual
if !match && expected2 != nil {
match = expected2! == actual
}
if !match {
print(
"check failed at \(file), line \(line)",
"expected: \"\(expected1)\" or \"\(expected2)\"",
"actual: \"\(actual)\"",
"",
separator: "\n")
failed = true
}
}
func debugPrintedIs<T>(
object: T, _ expected1: String, expected2: String? = nil,
file: StaticString = __FILE__, line: UInt = __LINE__
) {
var actual = ""
debugPrint(object, terminator: "", toStream: &actual)
if expected1 != actual && (expected2 != nil && expected2! != actual) {
print(
"check failed at \(file), line \(line)",
"expected: \"\(expected1)\" or \"\(expected2)\"",
"actual: \"\(actual)\"",
"",
separator: "\n")
failed = true
}
}
func assertEquals(
expected: String, _ actual: String,
file: StaticString = __FILE__, line: UInt = __LINE__
) {
if expected != actual {
print(
"check failed at \(file), line \(line)",
"expected: \"\(expected)\"",
"actual: \"\(actual)\"",
"",
separator: "\n")
failed = true
}
}
func test_StdlibTypesPrinted() {
printedIs(Float(1.0), "1.0")
printedIs(Float(-1.0), "-1.0")
printedIs(Double(1.0), "1.0")
printedIs(Double(-1.0), "-1.0")
printedIs(CChar(42), "42")
printedIs(CUnsignedChar(42), "42")
printedIs(CUnsignedShort(42), "42")
printedIs(CUnsignedInt(42), "42")
printedIs(CUnsignedLong(42), "42")
printedIs(CUnsignedLongLong(42), "42")
printedIs(CSignedChar(42), "42")
printedIs(CShort(42), "42")
printedIs(CInt(42), "42")
printedIs(CLong(42), "42")
printedIs(CLongLong(42), "42")
printedIs(CFloat(1.0), "1.0")
printedIs(CFloat(-1.0), "-1.0")
printedIs(CDouble(1.0), "1.0")
printedIs(CDouble(-1.0), "-1.0")
printedIs(CWideChar(42), "*")
printedIs(CChar16(42), "42")
printedIs(CChar32(42), "*")
printedIs(CBool(true), "true")
printedIs(CBool(false), "false")
var s: String = "abc"
printedIs(s, "abc")
debugPrintedIs(s, "\"abc\"")
s = "\\ \' \" \0 \n \r \t \u{05}"
debugPrintedIs(s, "\"\\\\ \\\' \\\" \\0 \\n \\r \\t \\u{05}\"")
let ch: Character = "a"
printedIs(ch, "a")
debugPrintedIs(ch, "\"a\"")
var us: UnicodeScalar = "a"
printedIs(us, "a")
debugPrintedIs(us, "\"a\"")
us = "\\"
printedIs(us, "\\")
assertEquals("\"\\\\\"", us.description)
debugPrintedIs(us, "\"\\\\\"")
us = "あ"
printedIs(us, "あ")
assertEquals("\"あ\"", us.description)
debugPrintedIs(us, "\"\\u{3042}\"")
if true {
var implicitlyUnwrappedString: String! = nil
printedIs(implicitlyUnwrappedString, "nil")
implicitlyUnwrappedString = "meow"
printedIs(implicitlyUnwrappedString, "meow")
}
if true {
var optionalString: String? = nil
printedIs(optionalString, "nil")
optionalString = "meow"
printedIs(optionalString, "Optional(\"meow\")")
}
if true {
struct Wrapper : CustomStringConvertible {
var x: CustomStringConvertible? = nil
var description: String {
return "Wrapper(" + x.debugDescription + ")"
}
}
printedIs(Wrapper(), "Wrapper(nil)")
printedIs(Wrapper(x: Wrapper()), "Wrapper(Optional(Wrapper(nil)))")
printedIs(Wrapper(x: Wrapper(x: Wrapper())),
"Wrapper(Optional(Wrapper(Optional(Wrapper(nil)))))")
}
print("test_StdlibTypesPrinted done")
}
test_StdlibTypesPrinted()
// CHECK: test_StdlibTypesPrinted done
func test_IntegerPrinting() {
if (UInt64(Int.max) > 0x1_0000_0000 as UInt64) {
printedIs(Int.min, "-9223372036854775808")
printedIs(Int.max, "9223372036854775807")
} else {
printedIs(Int.min, "-2147483648")
printedIs(Int.max, "2147483647")
}
printedIs(Int(0), "0")
printedIs(Int(42), "42")
printedIs(Int(-42), "-42")
if (UInt64(UInt.max) > 0x1_0000_0000 as UInt64) {
printedIs(UInt.max, "18446744073709551615")
} else {
printedIs(UInt.max, "4294967295")
}
printedIs(UInt.min, "0")
printedIs(UInt(0), "0")
printedIs(UInt(42), "42")
printedIs(Int8.min, "-128")
printedIs(Int8.max, "127")
printedIs(Int8(0), "0")
printedIs(Int8(42), "42")
printedIs(Int8(-42), "-42")
printedIs(UInt8.min, "0")
printedIs(UInt8.max, "255")
printedIs(UInt8(0), "0")
printedIs(UInt8(42), "42")
printedIs(Int16.min, "-32768")
printedIs(Int16.max, "32767")
printedIs(Int16(0), "0")
printedIs(Int16(42), "42")
printedIs(Int16(-42), "-42")
printedIs(UInt16.min, "0")
printedIs(UInt16.max, "65535")
printedIs(UInt16(0), "0")
printedIs(UInt16(42), "42")
printedIs(Int32.min, "-2147483648")
printedIs(Int32.max, "2147483647")
printedIs(Int32(0), "0")
printedIs(Int32(42), "42")
printedIs(Int32(-42), "-42")
printedIs(UInt32.min, "0")
printedIs(UInt32.max, "4294967295")
printedIs(UInt32(0), "0")
printedIs(UInt32(42), "42")
printedIs(Int64.min, "-9223372036854775808")
printedIs(Int64.max, "9223372036854775807")
printedIs(Int64(0), "0")
printedIs(Int64(42), "42")
printedIs(Int64(-42), "-42")
printedIs(UInt64.min, "0")
printedIs(UInt64.max, "18446744073709551615")
printedIs(UInt64(0), "0")
printedIs(UInt64(42), "42")
printedIs(Int8(-42), "-42")
printedIs(Int16(-42), "-42")
printedIs(Int32(-42), "-42")
printedIs(Int64(-42), "-42")
printedIs(UInt8(42), "42")
printedIs(UInt16(42), "42")
printedIs(UInt32(42), "42")
printedIs(UInt64(42), "42")
print("test_IntegerPrinting done")
}
test_IntegerPrinting()
// CHECK: test_IntegerPrinting done
func test_FloatingPointPrinting() {
func asFloat32(f: Float32) -> Float32 { return f }
func asFloat64(f: Float64) -> Float64 { return f }
#if arch(i386) || arch(x86_64)
func asFloat80(f: Swift.Float80) -> Swift.Float80 { return f }
#endif
printedIs(Float.infinity, "inf")
printedIs(-Float.infinity, "-inf")
printedIs(Float.NaN, "nan")
printedIs(asFloat32(0.0), "0.0")
printedIs(asFloat32(1.0), "1.0")
printedIs(asFloat32(-1.0), "-1.0")
printedIs(asFloat32(100.125), "100.125")
printedIs(asFloat32(-100.125), "-100.125")
printedIs(Double.infinity, "inf")
printedIs(-Double.infinity, "-inf")
printedIs(Double.NaN, "nan")
printedIs(asFloat64(0.0), "0.0")
printedIs(asFloat64(1.0), "1.0")
printedIs(asFloat64(-1.0), "-1.0")
printedIs(asFloat64(100.125), "100.125")
printedIs(asFloat64(-100.125), "-100.125")
printedIs(asFloat32(1.00001), "1.00001")
printedIs(asFloat32(125000000000000000.0), "1.25e+17")
printedIs(asFloat32(12500000000000000.0), "1.25e+16")
printedIs(asFloat32(1250000000000000.0), "1.25e+15")
printedIs(asFloat32(125000000000000.0), "1.25e+14")
printedIs(asFloat32(12500000000000.0), "1.25e+13")
printedIs(asFloat32(1250000000000.0), "1.25e+12")
printedIs(asFloat32(125000000000.0), "1.25e+11")
printedIs(asFloat32(12500000000.0), "1.25e+10")
printedIs(asFloat32(1250000000.0), "1.25e+09")
printedIs(asFloat32(125000000.0), "1.25e+08")
printedIs(asFloat32(12500000.0), "1.25e+07")
printedIs(asFloat32(1250000.0), "1.25e+06")
printedIs(asFloat32(125000.0), "125000.0")
printedIs(asFloat32(12500.0), "12500.0")
printedIs(asFloat32(1250.0), "1250.0")
printedIs(asFloat32(125.0), "125.0")
printedIs(asFloat32(12.5), "12.5")
printedIs(asFloat32(1.25), "1.25")
printedIs(asFloat32(0.125), "0.125")
printedIs(asFloat32(0.0125), "0.0125")
printedIs(asFloat32(0.00125), "0.00125")
printedIs(asFloat32(0.000125), "0.000125")
printedIs(asFloat32(0.0000125), "1.25e-05")
printedIs(asFloat32(0.00000125), "1.25e-06")
printedIs(asFloat32(0.000000125), "1.25e-07")
printedIs(asFloat32(0.0000000125), "1.25e-08")
printedIs(asFloat32(0.00000000125), "1.25e-09")
printedIs(asFloat32(0.000000000125), "1.25e-10")
printedIs(asFloat32(0.0000000000125), "1.25e-11")
printedIs(asFloat32(0.00000000000125), "1.25e-12")
printedIs(asFloat32(0.000000000000125), "1.25e-13")
printedIs(asFloat32(0.0000000000000125), "1.25e-14")
printedIs(asFloat32(0.00000000000000125), "1.25e-15")
printedIs(asFloat32(0.000000000000000125), "1.25e-16")
printedIs(asFloat32(0.0000000000000000125), "1.25e-17")
printedIs(asFloat64(1.00000000000001), "1.00000000000001")
printedIs(asFloat64(125000000000000000.0), "1.25e+17")
printedIs(asFloat64(12500000000000000.0), "1.25e+16")
printedIs(asFloat64(1250000000000000.0), "1.25e+15")
printedIs(asFloat64(125000000000000.0), "125000000000000.0")
printedIs(asFloat64(12500000000000.0), "12500000000000.0")
printedIs(asFloat64(1250000000000.0), "1250000000000.0")
printedIs(asFloat64(125000000000.0), "125000000000.0")
printedIs(asFloat64(12500000000.0), "12500000000.0")
printedIs(asFloat64(1250000000.0), "1250000000.0")
printedIs(asFloat64(125000000.0), "125000000.0")
printedIs(asFloat64(12500000.0), "12500000.0")
printedIs(asFloat64(1250000.0), "1250000.0")
printedIs(asFloat64(125000.0), "125000.0")
printedIs(asFloat64(12500.0), "12500.0")
printedIs(asFloat64(1250.0), "1250.0")
printedIs(asFloat64(125.0), "125.0")
printedIs(asFloat64(12.5), "12.5")
printedIs(asFloat64(1.25), "1.25")
printedIs(asFloat64(0.125), "0.125")
printedIs(asFloat64(0.0125), "0.0125")
printedIs(asFloat64(0.00125), "0.00125")
printedIs(asFloat64(0.000125), "0.000125")
printedIs(asFloat64(0.0000125), "1.25e-05")
printedIs(asFloat64(0.00000125), "1.25e-06")
printedIs(asFloat64(0.000000125), "1.25e-07")
printedIs(asFloat64(0.0000000125), "1.25e-08")
printedIs(asFloat64(0.00000000125), "1.25e-09")
printedIs(asFloat64(0.000000000125), "1.25e-10")
printedIs(asFloat64(0.0000000000125), "1.25e-11")
printedIs(asFloat64(0.00000000000125), "1.25e-12")
printedIs(asFloat64(0.000000000000125), "1.25e-13")
printedIs(asFloat64(0.0000000000000125), "1.25e-14")
printedIs(asFloat64(0.00000000000000125), "1.25e-15")
printedIs(asFloat64(0.000000000000000125), "1.25e-16")
printedIs(asFloat64(0.0000000000000000125), "1.25e-17")
#if arch(i386) || arch(x86_64)
printedIs(asFloat80(1.00000000000000001), "1.00000000000000001")
printedIs(asFloat80(12500000000000000000.0), "1.25e+19")
printedIs(asFloat80(1250000000000000000.0), "1.25e+18")
printedIs(asFloat80(125000000000000000.0), "125000000000000000.0")
printedIs(asFloat80(12500000000000000.0), "12500000000000000.0")
printedIs(asFloat80(1250000000000000.0), "1250000000000000.0")
printedIs(asFloat80(125000000000000.0), "125000000000000.0")
printedIs(asFloat80(12500000000000.0), "12500000000000.0")
printedIs(asFloat80(1250000000000.0), "1250000000000.0")
printedIs(asFloat80(125000000000.0), "125000000000.0")
printedIs(asFloat80(12500000000.0), "12500000000.0")
printedIs(asFloat80(1250000000.0), "1250000000.0")
printedIs(asFloat80(125000000.0), "125000000.0")
printedIs(asFloat80(12500000.0), "12500000.0")
printedIs(asFloat80(1250000.0), "1250000.0")
printedIs(asFloat80(125000.0), "125000.0")
printedIs(asFloat80(12500.0), "12500.0")
printedIs(asFloat80(1250.0), "1250.0")
printedIs(asFloat80(125.0), "125.0")
printedIs(asFloat80(12.5), "12.5")
printedIs(asFloat80(1.25), "1.25")
printedIs(asFloat80(0.125), "0.125")
printedIs(asFloat80(0.0125), "0.0125")
printedIs(asFloat80(0.00125), "0.00125")
printedIs(asFloat80(0.000125), "0.000125")
printedIs(asFloat80(0.0000125), "1.25e-05")
printedIs(asFloat80(0.00000125), "1.25e-06")
printedIs(asFloat80(0.000000125), "1.25e-07")
printedIs(asFloat80(0.0000000125), "1.25e-08")
printedIs(asFloat80(0.00000000125), "1.25e-09")
printedIs(asFloat80(0.000000000125), "1.25e-10")
printedIs(asFloat80(0.0000000000125), "1.25e-11")
printedIs(asFloat80(0.00000000000125), "1.25e-12")
printedIs(asFloat80(0.000000000000125), "1.25e-13")
printedIs(asFloat80(0.0000000000000125), "1.25e-14")
printedIs(asFloat80(0.00000000000000125), "1.25e-15")
printedIs(asFloat80(0.000000000000000125), "1.25e-16")
printedIs(asFloat80(0.0000000000000000125), "1.25e-17")
#endif
print("test_FloatingPointPrinting done")
}
test_FloatingPointPrinting()
// CHECK: test_FloatingPointPrinting done
func test_BoolPrinting() {
printedIs(Bool(true), "true")
printedIs(Bool(false), "false")
printedIs(true, "true")
printedIs(false, "false")
print("test_BoolPrinting done")
}
test_BoolPrinting()
// CHECK: test_BoolPrinting done
func test_CTypesPrinting() {
printedIs(CChar(42), "42")
printedIs(CUnsignedChar(42), "42")
printedIs(CUnsignedShort(42), "42")
printedIs(CUnsignedInt(42), "42")
printedIs(CUnsignedLong(42), "42")
printedIs(CUnsignedLongLong(42), "42")
printedIs(CSignedChar(42), "42")
printedIs(CShort(42), "42")
printedIs(CInt(42), "42")
printedIs(CLong(42), "42")
printedIs(CLongLong(42), "42")
printedIs(CFloat(1.0), "1.0")
printedIs(CFloat(-1.0), "-1.0")
printedIs(CDouble(1.0), "1.0")
printedIs(CDouble(-1.0), "-1.0")
printedIs(CWideChar(42), "*")
printedIs(CChar16(42), "42")
printedIs(CChar32(42), "*")
printedIs(CBool(true), "true")
printedIs(CBool(false), "false")
print("test_CTypesPrinting done")
}
test_CTypesPrinting()
// CHECK: test_CTypesPrinting done
func test_PointerPrinting() {
let nullUP = UnsafeMutablePointer<Float>()
let fourByteUP = UnsafeMutablePointer<Float>(bitPattern: 0xabcd1234 as UInt)
#if !(arch(i386) || arch(arm))
let eightByteAddr: UInt = 0xabcddcba12344321
let eightByteUP = UnsafeMutablePointer<Float>(bitPattern: eightByteAddr)
#endif
#if arch(i386) || arch(arm)
let expectedNull = "0x00000000"
printedIs(fourByteUP, "0xabcd1234")
#else
let expectedNull = "0x0000000000000000"
printedIs(fourByteUP, "0x00000000abcd1234")
printedIs(eightByteUP, "0xabcddcba12344321")
#endif
printedIs(nullUP, expectedNull)
printedIs(UnsafeBufferPointer(start: nullUP, count: 0),
"UnsafeBufferPointer(start: \(expectedNull), length: 0)")
printedIs(UnsafeMutableBufferPointer(start: nullUP, count: 0),
"UnsafeMutableBufferPointer(start: \(expectedNull), length: 0)")
printedIs(COpaquePointer(), expectedNull)
printedIs(CVaListPointer(_fromUnsafeMutablePointer: nullUP), expectedNull)
printedIs(AutoreleasingUnsafeMutablePointer<Int>(), expectedNull)
print("test_PointerPrinting done")
}
test_PointerPrinting()
// CHECK: test_PointerPrinting done
protocol ProtocolUnrelatedToPrinting {}
struct StructPrintable : CustomStringConvertible, ProtocolUnrelatedToPrinting {
let x: Int
init(_ x: Int) {
self.x = x
}
var description: String {
return "►\(x)◀︎"
}
}
struct LargeStructPrintable : CustomStringConvertible, ProtocolUnrelatedToPrinting {
let a: Int
let b: Int
let c: Int
let d: Int
init(_ a: Int, _ b: Int, _ c: Int, _ d: Int) {
self.a = a
self.b = b
self.c = c
self.d = d
}
var description: String {
return "<\(a) \(b) \(c) \(d)>"
}
}
struct StructDebugPrintable : CustomDebugStringConvertible {
let x: Int
init(_ x: Int) {
self.x = x
}
var debugDescription: String {
return "►\(x)◀︎"
}
}
struct StructVeryPrintable : CustomStringConvertible, CustomDebugStringConvertible, ProtocolUnrelatedToPrinting {
let x: Int
init(_ x: Int) {
self.x = x
}
var description: String {
return "<description: \(x)>"
}
var debugDescription: String {
return "<debugDescription: \(x)>"
}
}
struct EmptyStructWithoutDescription {}
struct WithoutDescription {
let x: Int
init(_ x: Int) {
self.x = x
}
}
struct ValuesWithoutDescription<T, U, V> {
let t: T
let u: U
let v: V
init(_ t: T, _ u: U, _ v: V) {
self.t = t
self.u = u
self.v = v
}
}
class ClassPrintable : CustomStringConvertible, ProtocolUnrelatedToPrinting {
let x: Int
init(_ x: Int) {
self.x = x
}
var description: String {
return "►\(x)◀︎"
}
}
class ClassVeryPrintable : CustomStringConvertible, CustomDebugStringConvertible, ProtocolUnrelatedToPrinting {
let x: Int
init(_ x: Int) {
self.x = x
}
var description: String {
return "<description: \(x)>"
}
var debugDescription: String {
return "<debugDescription: \(x)>"
}
}
func test_ObjectPrinting() {
if true {
let s = StructPrintable(1)
printedIs(s, "►1◀︎")
}
if true {
let s: ProtocolUnrelatedToPrinting = StructPrintable(1)
printedIs(s, "►1◀︎")
}
if true {
let s: CustomStringConvertible = StructPrintable(1)
printedIs(s, "►1◀︎")
}
if true {
let s: Any = StructPrintable(1)
printedIs(s, "►1◀︎")
}
if true {
let s = LargeStructPrintable(10, 20, 30, 40)
printedIs(s, "<10 20 30 40>")
}
if true {
let s: ProtocolUnrelatedToPrinting = LargeStructPrintable(10, 20, 30, 40)
printedIs(s, "<10 20 30 40>")
}
if true {
let s: CustomStringConvertible = LargeStructPrintable(10, 20, 30, 40)
printedIs(s, "<10 20 30 40>")
}
if true {
let s: Any = LargeStructPrintable(10, 20, 30, 40)
printedIs(s, "<10 20 30 40>")
}
if true {
let s = StructVeryPrintable(1)
printedIs(s, "<description: 1>")
}
if true {
let s: ProtocolUnrelatedToPrinting = StructVeryPrintable(1)
printedIs(s, "<description: 1>")
}
if true {
let s: CustomStringConvertible = StructVeryPrintable(1)
printedIs(s, "<description: 1>")
}
if true {
let s: CustomDebugStringConvertible = StructVeryPrintable(1)
printedIs(s, "<description: 1>")
}
if true {
let s: Any = StructVeryPrintable(1)
printedIs(s, "<description: 1>")
}
if true {
let c = ClassPrintable(1)
printedIs(c, "►1◀︎")
}
if true {
let c: ProtocolUnrelatedToPrinting = ClassPrintable(1)
printedIs(c, "►1◀︎")
}
if true {
let c: CustomStringConvertible = ClassPrintable(1)
printedIs(c, "►1◀︎")
}
if true {
let c: Any = ClassPrintable(1)
printedIs(c, "►1◀︎")
}
if true {
let c = ClassVeryPrintable(1)
printedIs(c, "<description: 1>")
}
if true {
let c: ProtocolUnrelatedToPrinting = ClassVeryPrintable(1)
printedIs(c, "<description: 1>")
}
if true {
let c: CustomStringConvertible = ClassVeryPrintable(1)
printedIs(c, "<description: 1>")
}
if true {
let c: CustomDebugStringConvertible = ClassVeryPrintable(1)
printedIs(c, "<description: 1>")
}
if true {
let c: Any = ClassVeryPrintable(1)
printedIs(c, "<description: 1>")
}
print("test_ObjectPrinting done")
}
test_ObjectPrinting()
// CHECK: test_ObjectPrinting done
func test_ThickMetatypePrintingImpl<T>(
thickMetatype: T.Type,
_ expectedPrint: String,
_ expectedDebug: String
) {
printedIs(thickMetatype, expectedPrint)
printedIs([ thickMetatype ], "[" + expectedDebug + "]")
debugPrintedIs(thickMetatype, expectedDebug)
debugPrintedIs([ thickMetatype ], "[" + expectedDebug + "]")
}
func test_gcMetatypePrinting() {
let structMetatype = StructPrintable.self
printedIs(structMetatype, "StructPrintable")
debugPrintedIs(structMetatype, "a.StructPrintable")
printedIs([ structMetatype ], "[a.StructPrintable]")
debugPrintedIs([ structMetatype ], "[a.StructPrintable]")
test_ThickMetatypePrintingImpl(structMetatype, "StructPrintable",
"a.StructPrintable")
let classMetatype = ClassPrintable.self
printedIs(classMetatype, "ClassPrintable")
debugPrintedIs(classMetatype, "a.ClassPrintable")
printedIs([ classMetatype ], "[a.ClassPrintable]")
debugPrintedIs([ classMetatype ], "[a.ClassPrintable]")
test_ThickMetatypePrintingImpl(classMetatype, "ClassPrintable",
"a.ClassPrintable")
print("test_gcMetatypePrinting done")
}
test_gcMetatypePrinting()
// CHECK: test_gcMetatypePrinting done
func test_ArrayPrinting() {
let arrayOfInts: [Int] = []
printedIs(arrayOfInts, "[]")
printedIs([ 1 ], "[1]")
printedIs([ 1, 2 ], "[1, 2]")
printedIs([ 1, 2, 3 ], "[1, 2, 3]")
printedIs([ "foo", "bar", "bas" ], "[\"foo\", \"bar\", \"bas\"]")
debugPrintedIs([ "foo", "bar", "bas" ], "[\"foo\", \"bar\", \"bas\"]")
printedIs([ StructPrintable(1), StructPrintable(2),
StructPrintable(3) ],
"[►1◀︎, ►2◀︎, ►3◀︎]")
printedIs([ LargeStructPrintable(10, 20, 30, 40),
LargeStructPrintable(50, 60, 70, 80) ],
"[<10 20 30 40>, <50 60 70 80>]")
printedIs([ StructDebugPrintable(1) ], "[►1◀︎]")
printedIs([ ClassPrintable(1), ClassPrintable(2),
ClassPrintable(3) ],
"[►1◀︎, ►2◀︎, ►3◀︎]")
printedIs([ ClassPrintable(1), ClassPrintable(2),
ClassPrintable(3) ] as Array<AnyObject>,
"[►1◀︎, ►2◀︎, ►3◀︎]")
print("test_ArrayPrinting done")
}
test_ArrayPrinting()
// CHECK: test_ArrayPrinting done
func test_DictionaryPrinting() {
var dictSI: Dictionary<String, Int> = [:]
printedIs(dictSI, "[:]")
debugPrintedIs(dictSI, "[:]")
dictSI = [ "aaa": 1 ]
printedIs(dictSI, "[\"aaa\": 1]")
debugPrintedIs(dictSI, "[\"aaa\": 1]")
dictSI = [ "aaa": 1, "bbb": 2 ]
printedIs(dictSI, "[\"aaa\": 1, \"bbb\": 2]", expected2: "[\"bbb\": 2, \"aaa\": 1]")
debugPrintedIs(dictSI, "[\"aaa\": 1, \"bbb\": 2]", expected2: "[\"bbb\": 2, \"aaa\": 1]")
let dictSS = [ "aaa": "bbb" ]
printedIs(dictSS, "[\"aaa\": \"bbb\"]")
debugPrintedIs(dictSS, "[\"aaa\": \"bbb\"]")
print("test_DictionaryPrinting done")
}
test_DictionaryPrinting()
// CHECK: test_DictionaryPrinting done
func test_SetPrinting() {
var sI = Set<Int>()
printedIs(sI, "[]")
debugPrintedIs(sI, "Set([])")
sI = Set<Int>([11, 22])
printedIs(sI, "[11, 22]", expected2: "[22, 11]")
debugPrintedIs(sI, "Set([11, 22])", expected2: "Set([22, 11])")
let sS = Set<String>(["Hello", "world"])
printedIs(sS, "[\"Hello\", \"world\"]", expected2: "[\"world\", \"Hello\"]")
debugPrintedIs(sS, "Set([\"Hello\", \"world\"])", expected2: "Set([\"world\", \"Hello\"])")
print("test_SetPrinting done")
}
test_SetPrinting()
// CHECK: test_SetPrinting done
func test_TuplePrinting() {
let tuple1 = (42, ())
printedIs(tuple1, "(42, ())")
let tuple2 = ((), 42)
printedIs(tuple2, "((), 42)")
let tuple3 = (42, StructPrintable(3))
printedIs(tuple3, "(42, ►3◀︎)")
let tuple4 = (42, LargeStructPrintable(10, 20, 30, 40))
printedIs(tuple4, "(42, <10 20 30 40>)")
let tuple5 = (42, ClassPrintable(3))
printedIs(tuple5, "(42, ►3◀︎)")
let tuple6 = ([123: 123], (1, 2, "3"))
printedIs(tuple6, "([123: 123], (1, 2, \"3\"))")
let arrayOfTuples1 =
[ (1, "two", StructPrintable(3), StructDebugPrintable(4),
WithoutDescription(5)) ]
printedIs(arrayOfTuples1, "[(1, \"two\", ►3◀︎, ►4◀︎, a.WithoutDescription(x: 5))]")
let arrayOfTuples2 =
[ (1, "two", WithoutDescription(3)),
(11, "twenty-two", WithoutDescription(33)),
(111, "two hundred twenty-two", WithoutDescription(333)) ]
printedIs(arrayOfTuples2, "[(1, \"two\", a.WithoutDescription(x: 3)), (11, \"twenty-two\", a.WithoutDescription(x: 33)), (111, \"two hundred twenty-two\", a.WithoutDescription(x: 333))]")
print("test_TuplePrinting done")
}
test_TuplePrinting()
// CHECK: test_TuplePrinting done
func test_ArbitraryStructPrinting() {
let arrayOfArbitraryStructs =
[ WithoutDescription(1), WithoutDescription(2), WithoutDescription(3) ]
printedIs(
arrayOfArbitraryStructs,
"[a.WithoutDescription(x: 1), a.WithoutDescription(x: 2), a.WithoutDescription(x: 3)]")
debugPrintedIs(
arrayOfArbitraryStructs,
"[a.WithoutDescription(x: 1), a.WithoutDescription(x: 2), a.WithoutDescription(x: 3)]")
printedIs(
EmptyStructWithoutDescription(),
"EmptyStructWithoutDescription()")
debugPrintedIs(
EmptyStructWithoutDescription(),
"a.EmptyStructWithoutDescription()")
printedIs(
ValuesWithoutDescription(1.25, "abc", [ 1, 2, 3 ]),
"ValuesWithoutDescription<Double, String, Array<Int>>(t: 1.25, u: \"abc\", v: [1, 2, 3])")
debugPrintedIs(
ValuesWithoutDescription(1.25, "abc", [ 1, 2, 3 ]),
"a.ValuesWithoutDescription<Swift.Double, Swift.String, Swift.Array<Swift.Int>>(t: 1.25, u: \"abc\", v: [1, 2, 3])")
print("test_ArbitraryStructPrinting done")
}
test_ArbitraryStructPrinting()
// CHECK: test_ArbitraryStructPrinting done
func test_MetatypePrinting() {
printedIs(Int.self, "Int")
debugPrintedIs(Int.self, "Swift.Int")
print("test_MetatypePrinting done")
}
test_MetatypePrinting()
// CHECK: test_MetatypePrinting done
func test_StringInterpolation() {
assertEquals("1", "\(1)")
assertEquals("2", "\(1 + 1)")
assertEquals("aaa1bbb2ccc", "aaa\(1)bbb\(2)ccc")
assertEquals("1.0", "\(1.0)")
assertEquals("1.5", "\(1.5)")
assertEquals("1e-12", "\(1.0 / (1000000000000))")
assertEquals("inf", "\(1 / 0.0)")
assertEquals("-inf", "\(-1 / 0.0)")
assertEquals("nan", "\(0 / 0.0)")
assertEquals("<[►1◀︎, ►2◀︎, ►3◀︎]>", "<\([ StructPrintable(1), StructPrintable(2), StructPrintable(3) ])>")
assertEquals("WithoutDescription(x: 1)", "\(WithoutDescription(1))")
print("test_StringInterpolation done")
}
test_StringInterpolation()
// CHECK: test_StringInterpolation done
struct MyString : StringLiteralConvertible, StringInterpolationConvertible {
init(str: String) {
value = str
}
var value: String
init(unicodeScalarLiteral value: String) {
self.init(str: value)
}
init(extendedGraphemeClusterLiteral value: String) {
self.init(str: value)
}
init(stringLiteral value: String) {
self.init(str: value)
}
init(stringInterpolation strings: MyString...) {
var result = ""
for s in strings {
result += s.value
}
self.init(str: result)
}
init<T>(stringInterpolationSegment expr: T) {
self.init(str: "<segment " + String(expr) + ">")
}
}
func test_CustomStringInterpolation() {
assertEquals("<segment aaa><segment 1><segment bbb>",
("aaa\(1)bbb" as MyString).value)
print("test_CustomStringInterpolation done")
}
test_CustomStringInterpolation()
// CHECK: test_CustomStringInterpolation done
func test_StdoutUTF8Printing() {
print("\u{00B5}")
// CHECK: {{^}}µ{{$}}
print("test_StdoutUTF8Printing done")
}
test_StdoutUTF8Printing()
// CHECK: test_StdoutUTF8Printing done
func test_varargs() {
print("", 1, 2, 3, 4, "", separator: "|") // CHECK: |1|2|3|4|
print(1, 2, 3, separator: "\n", terminator: "===")
print(4, 5, 6, separator: "\n")
// CHECK-NEXT: 1
// CHECK-NEXT: 2
// CHECK-NEXT: 3===4
// CHECK-NEXT: 5
// CHECK-NEXT: 6
debugPrint("", 1, 2, 3, 4, "", separator: "|")
// CHECK-NEXT: ""|1|2|3|4|""
debugPrint(1, 2, 3, separator: "\n", terminator: "===")
debugPrint(4, 5, 6, separator: "\n")
// CHECK-NEXT: 1
// CHECK-NEXT: 2
// CHECK-NEXT: 3===4
// CHECK-NEXT: 5
// CHECK-NEXT: 6
var output = ""
print(
"", 1, 2, 3, 4, "", separator: "|", toStream: &output)
print(output == "|1|2|3|4|\n") // CHECK-NEXT: true
output = ""
debugPrint(
"", 1, 2, 3, 4, "", separator: "|", terminator: "", toStream: &output)
print(output == "\"\"|1|2|3|4|\"\"") // CHECK-NEXT: true
print("test_varargs done")
}
test_varargs()
// CHECK: test_varargs done
func test_playgroundPrintHook() {
var printed: String? = nil
_playgroundPrintHook = { printed = $0 }
print("", 1, 2, 3, 4, "", separator: "|") // CHECK: |1|2|3|4|
print("%\(printed!)%") // CHECK-NEXT: %|1|2|3|4|
// CHECK-NEXT: %
printed = nil
debugPrint("", 1, 2, 3, 4, "", separator: "|")
// CHECK-NEXT: ""|1|2|3|4|""
print("%\(printed!)%") // CHECK-NEXT: %""|1|2|3|4|""