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Made all numeric types support protocol
Codable.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| // | ||
| // CodableTests.swift | ||
| // NumberKitTests | ||
| // | ||
| // Created by Matthias Zenger on 08/02/2020. | ||
| // Copyright © 2020 Matthias Zenger. All rights reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
| // | ||
|
|
||
| import XCTest | ||
| @testable import NumberKit | ||
|
|
||
| class CodableTests: XCTestCase { | ||
|
|
||
| func testComplexCodable() { | ||
| let c1: Complex<Double> = 987654.41 - 2.0.i | ||
| XCTAssertEqual(self.recodeJSON(c1), c1) | ||
| let c2: Complex<Double> = 1.5.i | ||
| XCTAssertEqual(self.recodeJSON(c2), c2) | ||
| let c3: Complex<Double> = 0.0 | ||
| XCTAssertEqual(self.recodeJSON(c3), c3) | ||
| } | ||
|
|
||
| func testRationalCodable() { | ||
| let r1: Rational<Int> = 7/2 | ||
| XCTAssertEqual(self.recodeJSON(r1), r1) | ||
| let r2: Rational<Int> = 7654321 | ||
| XCTAssertEqual(self.recodeJSON(r2), r2) | ||
| let r3: Rational<Int> = 0 | ||
| XCTAssertEqual(self.recodeJSON(r3), r3) | ||
| } | ||
|
|
||
| func testBigIntCodable() { | ||
| let x1: BigInt = "811248574598402980294572048572242498127" | ||
| XCTAssertEqual(self.recodeJSON(x1), x1) | ||
| let x2: BigInt = "847597200" | ||
| XCTAssertEqual(self.recodeJSON(x2), x2) | ||
| let x3: BigInt = "-75537574353998534693615828134454330968785329792741330257228043492082567" | ||
| XCTAssertEqual(self.recodeJSON(x3), x3) | ||
| } | ||
|
|
||
| private func recodeJSON<T: Codable>(_ obj: T) -> T? { | ||
| guard let encodedObj = self.encodeJSON(obj) else { | ||
| return nil | ||
| } | ||
| return self.decodeJSON(type(of: obj), encodedObj) | ||
| } | ||
|
|
||
| private func encodeJSON<T: Codable>(_ obj: T) -> String? { | ||
| guard let encodedObj = try? JSONEncoder().encode(obj) else { | ||
| return nil | ||
| } | ||
| guard let res = String(data: encodedObj, encoding: .utf8) else { | ||
| return nil | ||
| } | ||
| return res | ||
| } | ||
|
|
||
| private func decodeJSON<T: Codable>(_ type: T.Type, _ str: String) -> T? { | ||
| return try? JSONDecoder().decode(type, from: str.data(using: .utf8)!) | ||
| } | ||
|
|
||
| static let allTests = [ | ||
| ("testComplexCodable", testComplexCodable), | ||
| ("testRationalCodable", testRationalCodable), | ||
| ("testBigIntCodable", testBigIntCodable), | ||
| ] | ||
| } |
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