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CBORDecoderTests.swift
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//
// CBORDecoderTests.swift
// PotentCodables
//
// Copyright © 2021 Outfox, inc.
//
//
// Distributed under the MIT License, See LICENSE for details.
//
import BigInt
@testable import PotentCBOR
@testable import PotentCodables
import XCTest
class CBORDecoderTests: XCTestCase {
func testDecodeEmpty() {
struct Empty: Equatable, Codable {}
XCTAssertEqual(try CBORDecoder.default.decode(Empty.self, from: Data([0xA0])), Empty())
}
func testDecodeNull() {
XCTAssertNil(try CBORDecoder.default.decodeIfPresent(String.self, from: Data([0xF6])))
}
func testDecodeBools() {
XCTAssertEqual(try CBORDecoder.default.decode(Bool.self, from: Data([0xF4])), false)
XCTAssertEqual(try CBORDecoder.default.decode(Bool.self, from: Data([0xF5])), true)
XCTAssertThrowsError(try CBORDecoder.default.decode(Bool.self, from: Data([0x1]))) { error in
AssertDecodingTypeMismatch(error)
}
XCTAssertEqual(try CBORDecoder.default.decodeIfPresent(Bool.self, from: Data([0xf6])), nil)
}
func testDecodeInts() {
// Less than 24
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x00])), 0)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x08])), 8)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x0A])), 10)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x17])), 23)
// Just bigger than 23
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x18, 0x18])), 24)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x18, 0x19])), 25)
// Bigger
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x18, 0x64])), 100)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x19, 0x03, 0xE8])), 1000)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x1A, 0x00, 0x0F, 0x42, 0x40])), 1_000_000)
XCTAssertEqual(
try CBORDecoder.default.decode(Int64.self, from: Data([0x1B, 0x00, 0x00, 0x00, 0xE8, 0xD4, 0xA5, 0x10, 0x00])),
Int64(1_000_000_000_000)
)
// Biggest
XCTAssertEqual(
try CBORDecoder.default.decode(UInt64.self, from: Data([0x1B, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF])),
18_446_744_073_709_551_615
)
}
func testDecodeNegativeInts() {
// Less than 24
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x20])), -1)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x29])), -10)
// Bigger
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x38, 0x63])), -100)
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0x39, 0x03, 0xE7])), -1000)
// Overflow
XCTAssertThrowsError(try CBORDecoder.default.decode(Int8.self, from: Data([0x38, 0x80])))
// Biggest
XCTAssertEqual(
try CBORDecoder.default.decode(Int64.self, from: Data([0x3B, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF])),
-9_223_372_036_854_775_808
)
}
func testDecodeInt() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Int.self, from: Data([0xE3])),
Int(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Int.self, from: Data([0x03])),
Int(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Int.self, from: Data([0x22])),
Int(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int.self, from: Data([0xC2, 0x41, 0x03])),
Int(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int.self, from: Data([0xC3, 0x41, 0x02])),
Int(-3)
)
}
func testDecodeInt8() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Int8.self, from: Data([0xE3])),
Int8(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Int8.self, from: Data([0x03])),
Int8(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Int8.self, from: Data([0x22])),
Int8(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int8.self, from: Data([0xC2, 0x41, 0x03])),
Int8(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int8.self, from: Data([0xC3, 0x41, 0x02])),
Int8(-3)
)
}
func testDecodeInt16() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Int16.self, from: Data([0xE3])),
Int16(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Int16.self, from: Data([0x03])),
Int16(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Int16.self, from: Data([0x22])),
Int16(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int16.self, from: Data([0xC2, 0x41, 0x03])),
Int16(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int16.self, from: Data([0xC3, 0x41, 0x02])),
Int16(-3)
)
}
func testDecodeInt32() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Int32.self, from: Data([0xE3])),
Int32(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Int32.self, from: Data([0x03])),
Int32(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Int32.self, from: Data([0x22])),
Int32(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int32.self, from: Data([0xC2, 0x41, 0x03])),
Int32(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int32.self, from: Data([0xC3, 0x41, 0x02])),
Int32(-3)
)
}
func testDecodeInt64() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Int64.self, from: Data([0xE3])),
Int64(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Int64.self, from: Data([0x03])),
Int64(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Int64.self, from: Data([0x22])),
Int64(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int64.self, from: Data([0xC2, 0x41, 0x03])),
Int64(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Int64.self, from: Data([0xC3, 0x41, 0x02])),
Int64(-3)
)
}
func testDecodeUInt() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(UInt.self, from: Data([0xE3])),
UInt(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(UInt.self, from: Data([0x03])),
UInt(3)
)
// From negative int
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt.self, from: Data([0x22]))) { error in
AssertDecodingTypeMismatch(error)
}
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(UInt.self, from: Data([0xC2, 0x41, 0x03])),
UInt(3)
)
// From negative bignum
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt.self, from: Data([0xC3, 0x41, 0x02]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeUInt8() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(UInt8.self, from: Data([0xE3])),
UInt8(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(UInt8.self, from: Data([0x03])),
UInt8(3)
)
// From negative int
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt8.self, from: Data([0x22]))) { error in
AssertDecodingTypeMismatch(error)
}
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(UInt8.self, from: Data([0xC2, 0x41, 0x03])),
UInt8(3)
)
// From negative bignum
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt8.self, from: Data([0xC3, 0x41, 0x02]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeUInt16() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(UInt16.self, from: Data([0xE3])),
UInt16(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(UInt16.self, from: Data([0x03])),
UInt16(3)
)
// From negative int
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt16.self, from: Data([0x22]))) { error in
AssertDecodingTypeMismatch(error)
}
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(UInt16.self, from: Data([0xC2, 0x41, 0x03])),
UInt16(3)
)
// From negative bignum
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt16.self, from: Data([0xC3, 0x41, 0x02]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeUInt32() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(UInt32.self, from: Data([0xE3])),
UInt32(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(UInt32.self, from: Data([0x03])),
UInt32(3)
)
// From negative int
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt32.self, from: Data([0x22]))) { error in
AssertDecodingTypeMismatch(error)
}
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(UInt32.self, from: Data([0xC2, 0x41, 0x03])),
UInt32(3)
)
// From negative bignum
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt32.self, from: Data([0xC3, 0x41, 0x02]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeUInt64() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(UInt64.self, from: Data([0xE3])),
UInt64(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(UInt64.self, from: Data([0x03])),
UInt64(3)
)
// From negative int
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt64.self, from: Data([0x22]))) { error in
AssertDecodingTypeMismatch(error)
}
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(UInt64.self, from: Data([0xC2, 0x41, 0x03])),
UInt64(3)
)
// From negative bignum
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt64.self, from: Data([0xC3, 0x41, 0x02]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeTaggedInt() {
XCTAssertEqual(try CBORDecoder.default.decode(Int.self, from: Data([0xC5, 0x1])), 1)
}
func testDecodeIntFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(Int.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeBigInt() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(BigInt.self, from: Data([0xE3])),
BigInt(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(BigInt.self, from: Data([0x03])),
BigInt(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(BigInt.self, from: Data([0x22])),
BigInt(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(BigInt.self, from: Data([0xC2, 0x41, 0x03])),
BigInt(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(BigInt.self, from: Data([0xC3, 0x41, 0x02])),
BigInt(-3)
)
}
func testDecodeTaggedBigInt() {
XCTAssertEqual(try CBORDecoder.default.decode(BigInt.self, from: Data([0xC5, 0x1])), 1)
}
func testDecodeBigIntFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(BigInt.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeBigUInt() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(BigUInt.self, from: Data([0xE3])),
BigUInt(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(BigUInt.self, from: Data([0x03])),
BigUInt(3)
)
// From negative int
XCTAssertThrowsError(try CBORDecoder.default.decode(BigUInt.self, from: Data([0x22]))) { error in
AssertDecodingTypeMismatch(error)
}
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(BigUInt.self, from: Data([0xC2, 0x41, 0x03])),
BigUInt(3)
)
// From negative bignum
XCTAssertThrowsError(try CBORDecoder.default.decode(UInt.self, from: Data([0xC3, 0x41, 0x02]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeTaggedBigUInt() {
XCTAssertEqual(try CBORDecoder.default.decode(BigUInt.self, from: Data([0xC5, 0x1])), 1)
}
func testDecodeBigUIntFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(BigUInt.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeInvalidDecimalFractions() {
XCTAssertThrowsError(
try CBORDecoder.default.decode(Double.self, from: Data([0xC4, 0x82, 0xF6, 0xF6]))
) { error in
AssertDecodingTypeMismatch(error)
}
XCTAssertThrowsError(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xC4, 0x82, 0xF6, 0xF6]))
) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeHalf() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xE3])),
CBOR.Half(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0x03])),
CBOR.Half(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0x22])),
CBOR.Half(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xC2, 0x41, 0x03])),
CBOR.Half(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xC3, 0x41, 0x02])),
CBOR.Half(-3)
)
// From positive decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xC4, 0x82, 0x22, 0xC2, 0x43, 0x12, 0xD6, 0x87])),
CBOR.Half(1234.567)
)
// From positive decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xC4, 0x82, 0x01, 0xC2, 0x41, 0x12])),
CBOR.Half(180.0)
)
// From negative decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xC4, 0x82, 0x22, 0xC3, 0x43, 0x12, 0xD6, 0x86])),
CBOR.Half(-1234.567)
)
// From negative decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xC4, 0x82, 0x01, 0xC3, 0x41, 0x11])),
CBOR.Half(-180.0)
)
}
func testDecodeFloat() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0xE3])),
Float(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0x03])),
Float(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0x22])),
Float(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0xC2, 0x41, 0x03])),
Float(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0xC3, 0x41, 0x02])),
Float(-3)
)
// From positive decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0xC4, 0x82, 0x22, 0xC2, 0x43, 0x12, 0xD6, 0x87])),
Float(1234.567)
)
// From positive decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0xC4, 0x82, 0x01, 0xC2, 0x43, 0x12, 0xD6, 0x87])),
Float(12345670.0)
)
// From negative decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0xC4, 0x82, 0x22, 0xC3, 0x43, 0x12, 0xD6, 0x86])),
Float(-1234.567)
)
// From negative decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Float.self, from: Data([0xC4, 0x82, 0x01, 0xC3, 0x43, 0x12, 0xD6, 0x86])),
Float(-12345670.0)
)
}
func testDecodeDouble() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xE3])),
Double(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0x03])),
Double(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0x22])),
Double(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xC2, 0x41, 0x03])),
Double(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xC3, 0x41, 0x02])),
Double(-3)
)
// From positve half
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xf9, 0x3e, 0x00])),
Double(1.5)
)
// From negative half
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xf9, 0xbe, 0x00])),
Double(-1.5)
)
// From positve float
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xfa, 0x3f, 0xfe, 0x66, 0x66])),
Double(1.9874999523162842)
)
// From negative float
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xfa, 0xbf, 0xfe, 0x66, 0x66])),
Double(-1.9874999523162842)
)
// From positve double
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xfb, 0x3f, 0xf3, 0xbe, 0x76, 0xc8, 0xb4, 0x39, 0x58])),
Double(1.234)
)
// From negative double
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xfb, 0xbf, 0xf3, 0xbe, 0x76, 0xc8, 0xb4, 0x39, 0x58])),
Double(-1.234)
)
// From positive decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xC4, 0x82, 0x22, 0xC2, 0x43, 0x12, 0xD6, 0x87])),
Double(1234.567)
)
// From positive decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xC4, 0x82, 0x01, 0xC2, 0x43, 0x12, 0xD6, 0x87])),
Double(12345670.0)
)
// From negative decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xC4, 0x82, 0x22, 0xC3, 0x43, 0x12, 0xD6, 0x86])),
Double(-1234.567)
)
// From negative decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Double.self, from: Data([0xC4, 0x82, 0x01, 0xC3, 0x43, 0x12, 0xD6, 0x86])),
Double(-12345670.0)
)
}
func testDecodeTaggedFloat() {
XCTAssertEqual(try CBORDecoder.default.decode(CBOR.Half.self, from: Data([0xC5, 0xF9, 0x3E, 0x00])), 1.5)
}
func testDecodeFloatFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(Float.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeDecimal() {
// From simple
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xE3])),
Decimal(3)
)
// From unsigned int
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0x03])),
Decimal(3)
)
// From negative int
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0x22])),
Decimal(-3)
)
// From positive bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xC2, 0x41, 0x03])),
Decimal(3)
)
// From negative bignum
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xC3, 0x41, 0x02])),
Decimal(-3)
)
// From positve half
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xf9, 0x3e, 0x00])),
Decimal(1.5)
)
// From negative half
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xf9, 0xbe, 0x00])),
Decimal(-1.5)
)
// From positve float
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xfa, 0x3f, 0xfe, 0x66, 0x66])),
Decimal(1.9874999523162842)
)
// From negative float
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xfa, 0xbf, 0xfe, 0x66, 0x66])),
Decimal(-1.9874999523162842)
)
// From positve double
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xfb, 0x3f, 0xf3, 0xbe, 0x76, 0xc8, 0xb4, 0x39, 0x58])),
Decimal(1.234)
)
// From negative double
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xfb, 0xbf, 0xf3, 0xbe, 0x76, 0xc8, 0xb4, 0x39, 0x58])),
Decimal(-1.234)
)
// From positive decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xC4, 0x82, 0x22, 0xC2, 0x43, 0x12, 0xD6, 0x87])),
Decimal(1234.567)
)
// From positive decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xC4, 0x82, 0x01, 0xC2, 0x43, 0x12, 0xD6, 0x87])),
Decimal(12345670.0)
)
// From negative decimal fraction (neg exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xC4, 0x82, 0x22, 0xC3, 0x43, 0x12, 0xD6, 0x86])),
Decimal(-1234.567)
)
// From negative decimal fraction (pos exp)
XCTAssertEqual(
try CBORDecoder.default.decode(Decimal.self, from: Data([0xC4, 0x82, 0x01, 0xC3, 0x43, 0x12, 0xD6, 0x86])),
Decimal(-12345670.0)
)
}
func testDecodeTaggedDecimal() {
XCTAssertEqual(try CBORDecoder.default.decode(Decimal.self, from: Data([0xc5, 0x01])), Decimal(1))
}
func testDecodeDecimalFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(Decimal.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeDecimalNil() {
XCTAssertEqual(try CBORDecoder.default.decodeIfPresent(Decimal.self, from: Data([0xf6])), nil)
}
func testDecodeStrings() {
XCTAssertEqual(try CBORDecoder.default.decode(String.self, from: Data([0x60])), "")
XCTAssertEqual(try CBORDecoder.default.decode(String.self, from: Data([0x61, 0x61])), "a")
XCTAssertEqual(try CBORDecoder.default.decode(String.self, from: Data([0x64, 0x49, 0x45, 0x54, 0x46])), "IETF")
XCTAssertEqual(try CBORDecoder.default.decode(String.self, from: Data([0x62, 0x22, 0x5C])), "\"\\")
XCTAssertEqual(try CBORDecoder.default.decode(String.self, from: Data([0x62, 0xC3, 0xBC])), "\u{00FC}")
}
func testDecodeStringFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(String.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeByteStrings() {
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0x44, 0x01, 0x02, 0x03, 0x04])),
Data([0x01, 0x02, 0x03, 0x04])
)
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0x5F, 0x42, 0x01, 0x02, 0x43, 0x03, 0x04, 0x05, 0xFF])),
Data([0x01, 0x02, 0x03, 0x04, 0x05])
)
}
func testDecodeArrays() {
XCTAssertEqual(
try CBORDecoder.default.decode([String].self, from: Data([0x80])),
[]
)
XCTAssertEqual(
try CBORDecoder.default.decode([Int].self, from: Data([0x83, 0x01, 0x02, 0x03])),
[1, 2, 3]
)
XCTAssertEqual(
try CBORDecoder.default.decode([Int].self, from: Data([0x98, 0x19, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x18,
0x18, 0x19])),
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25]
)
XCTAssertEqual(
try CBORDecoder.default.decode([[Int]].self, from: Data([0x83, 0x81, 0x01, 0x82, 0x02, 0x03, 0x82, 0x04, 0x05])),
[[1], [2, 3], [4, 5]]
)
// indefinite
XCTAssertEqual(
try CBORDecoder.default.decode([Int].self, from: Data([0x9F, 0x04, 0x05, 0xFF])),
[4, 5]
)
XCTAssertEqual(
try CBORDecoder.default
.decode([[Int]].self, from: Data([0x9F, 0x81, 0x01, 0x82, 0x02, 0x03, 0x9F, 0x04, 0x05, 0xFF, 0xFF])),
[[1], [2, 3], [4, 5]]
)
}
func testDecodeMaps() {
XCTAssertEqual(
try CBORDecoder.default.decode([String: String].self, from: Data([0xA0])),
[:]
)
XCTAssertEqual(
try CBORDecoder.default.decode([String: String].self, from: Data([0xA5, 0x61, 0x61, 0x61, 0x41, 0x61, 0x62,
0x61, 0x42, 0x61, 0x63, 0x61, 0x43, 0x61,
0x64, 0x61, 0x44, 0x61, 0x65, 0x61, 0x45])),
["a": "A", "b": "B", "c": "C", "d": "D", "e": "E"]
)
XCTAssertEqual(
try CBORDecoder.default.decode([Int: Int].self, from: Data([0xA2, 0x01, 0x02, 0x03, 0x04])),
[1: 2, 3: 4]
)
XCTAssertEqual(
try CBORDecoder.default.decode([Int: Int].self, from: Data([0xA2, 0x20, 0x21, 0x22, 0x23])),
[-1: -2, -3: -4]
)
XCTAssertEqual(
try CBORDecoder.default.decode([String: String].self, from: Data([0xBF, 0x63, 0x46, 0x75, 0x6E, 0x61, 0x62,
0x63, 0x41, 0x6D, 0x74, 0x61, 0x63, 0xFF])),
["Fun": "b", "Amt": "c"]
)
XCTAssertEqual(
try CBORDecoder.default.decode([String: [String: String]].self, from: Data([0xBF, 0x63, 0x46, 0x75, 0x6E, 0xA1,
0x61, 0x62, 0x61, 0x42, 0x63, 0x41,
0x6D, 0x74, 0xBF, 0x61, 0x63, 0x61,
0x43, 0xFF, 0xFF])),
["Fun": ["b": "B"], "Amt": ["c": "C"]]
)
}
func testDecodeInvalidMapKeysThrowsError() throws {
XCTAssertThrowsError(
try CBORDecoder.default.decode([Int: Int].self, from: Data([0xA2, 0xf6, 0x02, 0x03, 0x04]))
) { error in
AssertDecodingDataCorrupted(error)
}
}
func testDecodingDoesntTranslateMapKeys() throws {
let decoder = CBORDecoder()
decoder.keyDecodingStrategy = .convertFromSnakeCase
let dict = try decoder.decodeTree([String: Int].self, from: .map(["this_is_an_example_key": 0]))
XCTAssertEqual(dict.keys.first, "this_is_an_example_key")
}
func testDecodeNumericDates() {
XCTAssertEqual(
try CBORDecoder.default.decode(Date.self, from: Data([0xC1, 0x1A, 0x51, 0x4B, 0x67, 0xB0])),
Date(timeIntervalSince1970: 1_363_896_240)
)
XCTAssertEqual(
try CBORDecoder.default.decode(Date.self, from: Data([0xC1, 0xFB, 0x41, 0xD4, 0x52,
0xD9, 0xEC, 0x20, 0x00, 0x00])),
Date(timeIntervalSince1970: 1_363_896_240.5)
)
}
func testDecodeISO8601Dates() {
XCTAssertEqual(
try CBORDecoder.default.decode(Date.self, from: Data([0xC0, 0x78, 0x18, 0x32, 0x30, 0x32, 0x30, 0x2D, 0x31,
0x32, 0x2D, 0x31, 0x31, 0x54, 0x31, 0x32, 0x3A, 0x33,
0x34, 0x3A, 0x35, 0x36, 0x2E, 0x37, 0x38, 0x39, 0x5A])),
Date(timeIntervalSince1970: 1607690096.789)
)
XCTAssertThrowsError(
try CBORDecoder.default.decode(Date.self, from: Data([0xC0, 0x78, 0x0f, 0x32, 0x30, 0x32, 0x30, 0x2D, 0x31,
0x32, 0x2D, 0x31, 0x31, 0x54, 0x31, 0x32, 0x3A, 0x33]))
) { error in
AssertDecodingDataCorrupted(error)
}
}
func testDecodeExtraTaggedDate() {
XCTAssertEqual(
try CBORDecoder.default.decode(Date.self, from: Data([0xC5, 0xC1, 0x1A, 0x51, 0x4B, 0x67, 0xB0])),
Date(timeIntervalSince1970: 1_363_896_240)
)
}
func testDecodeUntaggedDateAsUnits() {
let decoder = CBORDecoder()
decoder.untaggedDateDecodingStrategy = .unitsSince1970
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0xC1, 0x1A, 0x51, 0x4B, 0x67, 0xB0])),
Date(timeIntervalSince1970: 1_363_896_240)
)
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0x1B, 0x00, 0x00, 0x01, 0x3D, 0x8E, 0x8D, 0x07, 0x80])),
Date(timeIntervalSince1970: 1_363_896_240)
)
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0xFB, 0x41, 0xD4, 0x52, 0xD9, 0xEC, 0x00, 0x00, 0x00])),
Date(timeIntervalSince1970: 1_363_896_240)
)
}
func testDecodeUntaggedDateAsMilliseconds() {
let decoder = CBORDecoder()
decoder.untaggedDateDecodingStrategy = .millisecondsSince1970
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0xC1, 0x1A, 0x51, 0x4B, 0x67, 0xB0])),
Date(timeIntervalSince1970: 1_363_896_240)
)
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0x1B, 0x00, 0x00, 0x01, 0x3D, 0x8E, 0x8D, 0x07, 0x80])),
Date(timeIntervalSince1970: 1_363_896_240)
)
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0xFB, 0x42, 0x73, 0xD8, 0xE8, 0xD0, 0x78, 0x00, 0x00])),
Date(timeIntervalSince1970: 1_363_896_240)
)
}
func testDecodeUntaggedDateAsSeconds() {
let decoder = CBORDecoder()
decoder.untaggedDateDecodingStrategy = .secondsSince1970
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0xC1, 0x1A, 0x51, 0x4B, 0x67, 0xB0])),
Date(timeIntervalSince1970: 1_363_896_240)
)
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0x1A, 0x51, 0x4B, 0x67, 0xB0])),
Date(timeIntervalSince1970: 1_363_896_240)
)
XCTAssertEqual(
try decoder.decode(Date.self, from: Data([0xFB, 0x41, 0xD4, 0x52, 0xD9, 0xEC, 0x00, 0x00, 0x00])),
Date(timeIntervalSince1970: 1_363_896_240)
)
}
func testDecodeDateFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(Date.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeData() {
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0x45, 0x1, 0x2, 0x3, 0x4, 0x5])),
Data([1, 2, 3, 4, 5])
)
}
func testDecodeBase64Data() {
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0xD8, 0x22, 0x68, 0x41, 0x51, 0x49,
0x44, 0x42, 0x41, 0x55, 0x2B])),
Data([1, 2, 3, 4, 5, 62])
)
// Unpadded
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0xD8, 0x22, 0x66, 0x41, 0x51, 0x49,
0x44, 0x42, 0x41])),
Data([1, 2, 3, 4])
)
XCTAssertThrowsError(
try CBORDecoder.default.decode(Data.self, from: Data([0xD8, 0x22, 0x68, 0x41, 0x51, 0x49,
0x44, 0x42, 0x41, 0x55, 0x60]))
) { error in
AssertDecodingDataCorrupted(error)
}
}
func testDecodeBase64UrlData() {
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0xD8, 0x21, 0x68, 0x41, 0x51, 0x49,
0x44, 0x42, 0x41, 0x55, 0x2D])),
Data([1, 2, 3, 4, 5, 62])
)
// Unpadded
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0xD8, 0x21, 0x66, 0x41, 0x51, 0x49,
0x44, 0x42, 0x41])),
Data([1, 2, 3, 4])
)
XCTAssertThrowsError(
try CBORDecoder.default.decode(Data.self, from: Data([0xD8, 0x21, 0x68, 0x41, 0x51, 0x49,
0x44, 0x42, 0x41, 0x55, 0x60]))
) { error in
AssertDecodingDataCorrupted(error)
}
}
func testDecodeDataFromUnsupportedValue() {
XCTAssertThrowsError(try CBORDecoder.default.decode(Data.self, from: Data([0xF5]))) { error in
AssertDecodingTypeMismatch(error)
}
}
func testDecodeTaggedData() {
XCTAssertEqual(
try CBORDecoder.default.decode(Data.self, from: Data([0xc5, 0x45, 0x1, 0x2, 0x3, 0x4, 0x5])),
Data([1, 2, 3, 4, 5])
)
}
func testDecodeURL() {
XCTAssertEqual(
try CBORDecoder.default.decode(URL.self, from: Data([0xD8, 0x20, 0x78, 0x1E, 0x68, 0x74, 0x74, 0x70, 0x73, 0x3A,
0x2F, 0x2F, 0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65, 0x2E,
0x63, 0x6F, 0x6D, 0x2F, 0x73, 0x6F, 0x6D, 0x65, 0x2F, 0x74,
0x68, 0x69, 0x6E, 0x67])),
URL(string: "https://example.com/some/thing")
)
XCTAssertThrowsError(
try CBORDecoder.default.decode(URL.self, from: Data([0xD8, 0x20, 0x60]))
) { error in
AssertDecodingDataCorrupted(error)
}
}
func testDecodeTaggedURL() {
XCTAssertEqual(
try CBORDecoder.default.decode(URL.self, from: Data([0xc5, 0xD8, 0x20, 0x78, 0x1E, 0x68, 0x74, 0x74, 0x70, 0x73,
0x3A, 0x2F, 0x2F, 0x65, 0x78, 0x61, 0x6D, 0x70, 0x6C, 0x65,