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ANKSigned+Text.swift
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//=----------------------------------------------------------------------------=
// This source file is part of the AwesomeNumbersKit open source project.
//
// Copyright (c) 2022 Oscar Byström Ericsson
// Licensed under Apache License, Version 2.0
//
// See http://www.apache.org/licenses/LICENSE-2.0 for license information.
//=----------------------------------------------------------------------------=
#if DEBUG
import ANKSignedKit
import XCTest
//*============================================================================*
// MARK: * ANK x Signed x Text
//*============================================================================*
final class ANKSignedTestsOnText: XCTestCase {
typealias T = ANKSigned<UInt64>
typealias M = UInt64
//=------------------------------------------------------------------------=
// MARK: Tests x Decode
//=------------------------------------------------------------------------=
func testDecodingRadix02() {
ANKAssertDecodeText(T.min, 02, "-" + String(repeating: "1", count: M.bitWidth / 1))
ANKAssertDecodeText(T.max, 02, String(repeating: "1", count: M.bitWidth / 1))
}
func testDecodingRadix03() {
ANKAssertDecodeText(T.min, 03, "-11112220022122120101211020120210210211220")
ANKAssertDecodeText(T.max, 03, "11112220022122120101211020120210210211220")
}
func testDecodingRadix04() {
ANKAssertDecodeText(T.min, 04, "-" + String(repeating: "3", count: M.bitWidth / 2))
ANKAssertDecodeText(T.max, 04, String(repeating: "3", count: M.bitWidth / 2))
}
func testDecodingRadix08() {
ANKAssertDecodeText(T.min, 08, "-1" + String(repeating: "7", count: 21))
ANKAssertDecodeText(T.max, 08, "1" + String(repeating: "7", count: 21))
}
func testDecodingRadix10() {
ANKAssertDecodeText(T.min, 10, "-18446744073709551615")
ANKAssertDecodeText(T.max, 10, "18446744073709551615")
}
func testDecodingRadix16() {
ANKAssertDecodeText(T.min, 16, "-" + String(repeating: "f", count: M.bitWidth / 4))
ANKAssertDecodeText(T.max, 16, String(repeating: "f", count: M.bitWidth / 4))
}
func testDecodingRadix32() {
ANKAssertDecodeText(T.min, 32, "-f" + String(repeating: "v", count: 12))
ANKAssertDecodeText(T.max, 32, "f" + String(repeating: "v", count: 12))
}
func testDecodingRadix36() {
ANKAssertDecodeText(T.min, 36, "-3w5e11264sgsf")
ANKAssertDecodeText(T.max, 36, "3w5e11264sgsf")
}
func testDecodingRadixLiteralAsNumber() {
ANKAssertDecodeText(T( 33), 36, "0x")
ANKAssertDecodeText(T( 24), 36, "0o")
ANKAssertDecodeText(T( 11), 36, "0b")
ANKAssertDecodeText(T( 33), 36, "+0x")
ANKAssertDecodeText(T( 24), 36, "+0o")
ANKAssertDecodeText(T( 11), 36, "+0b")
ANKAssertDecodeText(T(-33), 36, "-0x")
ANKAssertDecodeText(T(-24), 36, "-0o")
ANKAssertDecodeText(T(-11), 36, "-0b")
}
func testDecodingRadixLiteralAsRadixReturnsNil() {
ANKAssertDecodeText(T?.none, 10, "0x10")
ANKAssertDecodeText(T?.none, 10, "0o10")
ANKAssertDecodeText(T?.none, 10, "0b10")
ANKAssertDecodeText(T?.none, 10, "+0x10")
ANKAssertDecodeText(T?.none, 10, "+0o10")
ANKAssertDecodeText(T?.none, 10, "+0b10")
ANKAssertDecodeText(T?.none, 10, "-0x10")
ANKAssertDecodeText(T?.none, 10, "-0o10")
ANKAssertDecodeText(T?.none, 10, "-0b10")
}
func testDecodingStringsWithAndWithoutSign() {
ANKAssertDecodeText(T( 1234567890), 10, "1234567890")
ANKAssertDecodeText(T( 1234567890), 10, "+1234567890")
ANKAssertDecodeText(T(-1234567890), 10, "-1234567890")
}
func testDecodingStrategyIsCaseInsensitive() {
ANKAssertDecodeText(T(0xabcdef), 16, "abcdef")
ANKAssertDecodeText(T(0xABCDEF), 16, "ABCDEF")
ANKAssertDecodeText(T(0xaBcDeF), 16, "aBcDeF")
ANKAssertDecodeText(T(0xAbCdEf), 16, "AbCdEf")
}
func testDecodingUnalignedStringsIsOK() {
ANKAssertDecodeText(T(1), 10, "1")
ANKAssertDecodeText(T(1), 16, "1")
}
func testDecodingPrefixingZerosHasNoEffect() {
let zero = String(repeating: "0", count: M.bitWidth) + "0"
let one = String(repeating: "0", count: M.bitWidth) + "1"
for radix in 02 ... 36 {
ANKAssertDecodeText(T(0), radix, zero)
ANKAssertDecodeText(T(1), radix, one )
}
}
func testDecodingInvalidCharactersReturnsNil() {
ANKAssertDecodeText(T?.none, 16, "/")
ANKAssertDecodeText(T?.none, 16, "G")
ANKAssertDecodeText(T?.none, 10, "/")
ANKAssertDecodeText(T?.none, 10, ":")
ANKAssertDecodeText(T?.none, 10, String(repeating: "1", count: 19) + "/")
ANKAssertDecodeText(T?.none, 10, String(repeating: "1", count: 19) + ":")
}
func testDecodingStringsWithoutDigitsReturnsNil() {
ANKAssertDecodeText(T?.none, 10, "")
ANKAssertDecodeText(T?.none, 10, "+")
ANKAssertDecodeText(T?.none, 10, "-")
ANKAssertDecodeText(T?.none, 10, "~")
ANKAssertDecodeText(T?.none, 16, "")
ANKAssertDecodeText(T?.none, 16, "+")
ANKAssertDecodeText(T?.none, 16, "-")
ANKAssertDecodeText(T?.none, 16, "~")
}
func testDecodingValuesOutsideOfRepresentableRangeReturnsNil() {
let positive = "+" + String(repeating: "1", count: M.bitWidth + 1)
let negative = "-" + String(repeating: "1", count: M.bitWidth + 1)
for radix in 02 ... 36 {
ANKAssertDecodeText(T?.none, radix, positive)
ANKAssertDecodeText(T?.none, radix, negative)
}
ANKAssertDecodeText(T?.none, 36, "-3w5e11264sgsg" ) // - 01
ANKAssertDecodeText(T?.none, 36, "-3w5e11264sgsf0") // * 36
ANKAssertDecodeText(T?.none, 36, "3w5e11264sgsg" ) // + 01
ANKAssertDecodeText(T?.none, 36, "3w5e11264sgsf0") // * 36
}
//=------------------------------------------------------------------------=
// MARK: Tests x Encode
//=------------------------------------------------------------------------=
func testEncodingRadix02() {
ANKAssertEncodeText(T.min, 02, false, "-" + String(repeating: "1", count: M.bitWidth / 1))
ANKAssertEncodeText(T.max, 02, false, String(repeating: "1", count: M.bitWidth / 1))
}
func testEncodingRadix03() {
ANKAssertEncodeText(T.min, 03, false, "-11112220022122120101211020120210210211220")
ANKAssertEncodeText(T.max, 03, false, "11112220022122120101211020120210210211220")
}
func testEncodingRadix04() {
ANKAssertEncodeText(T.min, 04, false, "-" + String(repeating: "3", count: M.bitWidth / 2))
ANKAssertEncodeText(T.max, 04, false, String(repeating: "3", count: M.bitWidth / 2))
}
func testEncodingRadix08() {
ANKAssertEncodeText(T.min, 08, false, "-1" + String(repeating: "7", count: 21))
ANKAssertEncodeText(T.max, 08, false, "1" + String(repeating: "7", count: 21))
}
func testEncodingRadix10() {
ANKAssertEncodeText(T.min, 10, false, "-18446744073709551615")
ANKAssertEncodeText(T.max, 10, false, "18446744073709551615")
}
func testEncodingRadix16() {
ANKAssertEncodeText(T.min, 16, false, "-" + String(repeating: "f", count: M.bitWidth / 4))
ANKAssertEncodeText(T.min, 16, true , "-" + String(repeating: "F", count: M.bitWidth / 4))
ANKAssertEncodeText(T.max, 16, false, String(repeating: "f", count: M.bitWidth / 4))
ANKAssertEncodeText(T.max, 16, true , String(repeating: "F", count: M.bitWidth / 4))
}
func testEncodingRadix32() {
ANKAssertEncodeText(T.min, 32, false, "-f" + String(repeating: "v", count: 12))
ANKAssertEncodeText(T.min, 32, true , "-F" + String(repeating: "V", count: 12))
ANKAssertEncodeText(T.max, 32, false, "f" + String(repeating: "v", count: 12))
ANKAssertEncodeText(T.max, 32, true , "F" + String(repeating: "V", count: 12))
}
func testEncodingRadix36() {
ANKAssertEncodeText(T.min, 36, false, "-3w5e11264sgsf")
ANKAssertEncodeText(T.min, 36, true , "-3W5E11264SGSF")
ANKAssertEncodeText(T.max, 36, false, "3w5e11264sgsf")
ANKAssertEncodeText(T.max, 36, true , "3W5E11264SGSF")
}
}
#endif