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| 1 | +// Package: web3swift |
| 2 | +// Created by Alex Vlasov. |
| 3 | +// Copyright © 2018 Alex Vlasov. All rights reserved. |
| 4 | +// |
| 5 | +// Base58 tests by Mark Loit 2022 |
| 6 | +// |
| 7 | + |
| 8 | +import XCTest |
| 9 | + |
| 10 | +@testable import web3swift |
| 11 | + |
| 12 | +// |
| 13 | +// This Test suite is intended to hold various tests for our data conversion code |
| 14 | +// that don't seem to fit elsewhere |
| 15 | +// |
| 16 | + |
| 17 | +// Some base58 test vectors pulled from: https://tools.ietf.org/id/draft-msporny-base58-01.html |
| 18 | +// note that one of the return values is incorrect in the reference above, it is corrected here |
| 19 | +class DataConversionTests: XCTestCase { |
| 20 | + // test an empty input for the base58 decoder & decoder |
| 21 | + func testBase58() throws { |
| 22 | + let vector = "" |
| 23 | + |
| 24 | + print("Testing Base58 Decode \"\(vector)\"") |
| 25 | + guard let resultDecoded = vector.base58DecodedData else { return XCTFail("base58 decode unexpectedly returned nil") } |
| 26 | + XCTAssert(resultDecoded.count == 0) |
| 27 | + |
| 28 | + print("Testing Base58 Encode \"\(vector)\"") |
| 29 | + let resultEncoded1 = vector.base58EncodedString |
| 30 | + XCTAssert(resultEncoded1 == vector) |
| 31 | + |
| 32 | + print("Testing Base58 Encode [empty]") |
| 33 | + let arr = resultDecoded.withUnsafeBytes { Array($0) } |
| 34 | + let resultEncoded2 = arr.base58EncodedString |
| 35 | + XCTAssert(resultEncoded2 == vector) |
| 36 | + } |
| 37 | + |
| 38 | + // test a reference string "Hello World!" |
| 39 | + func testBase58HelloWorld() throws { |
| 40 | + let vector = "2NEpo7TZRRrLZSi2U" |
| 41 | + let expected = "Hello World!" |
| 42 | + |
| 43 | + print("Testing Base58 Decode \"\(vector)\"") |
| 44 | + guard let resultDecoded = vector.base58DecodedData else { return XCTFail("base58 decode unexpectedly returned nil") } |
| 45 | + let arr = resultDecoded.withUnsafeBytes { Array($0) } |
| 46 | + let str = String(bytes: arr, encoding: .utf8) |
| 47 | + XCTAssert(str == expected) |
| 48 | + |
| 49 | + print("Testing Base58 Encode \"\(expected)\"") |
| 50 | + let resultEncoded = expected.base58EncodedString |
| 51 | + XCTAssert(resultEncoded == vector) |
| 52 | + } |
| 53 | + |
| 54 | + // test a reference string "The quick brown fox jumps over the lazy dog." |
| 55 | + func testBase58LazyFox() throws { |
| 56 | + let vector = "USm3fpXnKG5EUBx2ndxBDMPVciP5hGey2Jh4NDv6gmeo1LkMeiKrLJUUBk6Z" |
| 57 | + let expected = "The quick brown fox jumps over the lazy dog." |
| 58 | + |
| 59 | + print("Testing Base58 Decode \"\( vector )\"") |
| 60 | + guard let resultDecoded = vector.base58DecodedData else { return XCTFail("base58 decode unexpectedly returned nil") } |
| 61 | + let arr = resultDecoded.withUnsafeBytes { Array($0) } |
| 62 | + let str = String(bytes: arr, encoding: .utf8) |
| 63 | + XCTAssert(str == expected) |
| 64 | + |
| 65 | + print("Testing Base58 Encode \"\(expected)\"") |
| 66 | + let resultEncoded = expected.base58EncodedString |
| 67 | + XCTAssert(resultEncoded == vector) |
| 68 | + } |
| 69 | + |
| 70 | + // test a reference binary value "0x000000287fb4cd" (tested as a hex string to validate length) **corrected from ref document |
| 71 | + func testBase58HexData() throws { |
| 72 | + let vector = "111233QC4" |
| 73 | + let expected = "0x000000287fb4cd" |
| 74 | + |
| 75 | + print("Testing Base58 Decode \"\(vector)\"") |
| 76 | + guard let resultDecoded = vector.base58DecodedData else { return XCTFail("base58 decode unexpectedly returned nil") } |
| 77 | + let str = resultDecoded.toHexString().addHexPrefix() |
| 78 | + XCTAssert(str == expected) |
| 79 | + |
| 80 | + print("Testing Base58 Encode \(expected)") |
| 81 | + let arr = resultDecoded.withUnsafeBytes { Array($0) } |
| 82 | + let resultEncoded = arr.base58EncodedString |
| 83 | + XCTAssert(resultEncoded == vector) |
| 84 | + } |
| 85 | + |
| 86 | + // test all zero encoded data from issue 424 |
| 87 | + func testBase58Zero() throws { |
| 88 | + let vector = "11111111111111111111111111111111" |
| 89 | + let expected = "0x0000000000000000000000000000000000000000000000000000000000000000" |
| 90 | + |
| 91 | + print("Testing Base58 Decode \"\(vector)\"") |
| 92 | + guard let resultDecoded = vector.base58DecodedData else { return XCTFail("base58 decode unexpectedly returned nil") } |
| 93 | + let str = resultDecoded.toHexString().addHexPrefix() |
| 94 | + XCTAssert(str == expected) |
| 95 | + |
| 96 | + print("Testing Base58 Encode \(expected)") |
| 97 | + let arr = resultDecoded.withUnsafeBytes { Array($0) } |
| 98 | + let resultEncoded = arr.base58EncodedString |
| 99 | + XCTAssert(resultEncoded == vector) |
| 100 | + } |
| 101 | + |
| 102 | +} |
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