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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
class TestUnit: XCTestCase {
func test_equality() {
let s1 = "a"
let s2 = "ab"
let u1 = Unit(symbol: s1)
let u2 = Unit(symbol: s1)
let u3 = Unit(symbol: s2)
XCTAssertEqual(u1, u2)
XCTAssertEqual(u2, u1)
XCTAssertNotEqual(u1, u3)
XCTAssertNotEqual(u3, u1)
let uc1 = UnitConverterLinear(coefficient: 1, constant: 2)
let uc2 = UnitConverterLinear(coefficient: 1, constant: 3)
let d1 = Dimension(symbol: s1, converter: uc1)
let d2 = Dimension(symbol: s1, converter: uc1)
let d3 = Dimension(symbol: s2, converter: uc1)
let d4 = Dimension(symbol: s1, converter: uc2)
XCTAssertEqual(d1, d2)
XCTAssertEqual(d2, d1)
XCTAssertNotEqual(d1, d3)
XCTAssertNotEqual(d3, d1)
XCTAssertNotEqual(d1, d4)
XCTAssertNotEqual(d4, d1)
XCTAssertEqual(u1, d1)
XCTAssertNotEqual(d1, u1)
func testEquality<T: Dimension>(ofDimensionSubclass: T.Type) {
let u0 = Unit(symbol: s1)
let d1 = Dimension(symbol: s1, converter: uc1)
let u1 = T(symbol: s1, converter: uc1)
let u2 = T(symbol: s1, converter: uc1)
let u3 = T(symbol: s1, converter: uc2)
let u4 = T(symbol: s2, converter: uc1)
XCTAssertEqual(u1, u2)
XCTAssertEqual(u2, u1)
XCTAssertNotEqual(u1, u3)
XCTAssertNotEqual(u3, u1)
XCTAssertNotEqual(u1, u4)
XCTAssertNotEqual(u4, u1)
XCTAssertEqual(u0, u1)
XCTAssertNotEqual(u1, u0)
XCTAssertEqual(d1, u1)
XCTAssertNotEqual(u1, d1)
}
testEquality(ofDimensionSubclass: UnitAcceleration.self)
testEquality(ofDimensionSubclass: UnitAngle.self)
testEquality(ofDimensionSubclass: UnitArea.self)
testEquality(ofDimensionSubclass: UnitConcentrationMass.self)
testEquality(ofDimensionSubclass: UnitDispersion.self)
testEquality(ofDimensionSubclass: UnitDuration.self)
testEquality(ofDimensionSubclass: UnitElectricCharge.self)
testEquality(ofDimensionSubclass: UnitElectricCurrent.self)
testEquality(ofDimensionSubclass: UnitElectricPotentialDifference.self)
testEquality(ofDimensionSubclass: UnitElectricResistance.self)
testEquality(ofDimensionSubclass: UnitEnergy.self)
testEquality(ofDimensionSubclass: UnitFrequency.self)
testEquality(ofDimensionSubclass: UnitFuelEfficiency.self)
testEquality(ofDimensionSubclass: UnitIlluminance.self)
testEquality(ofDimensionSubclass: UnitInformationStorage.self)
testEquality(ofDimensionSubclass: UnitLength.self)
testEquality(ofDimensionSubclass: UnitMass.self)
testEquality(ofDimensionSubclass: UnitPower.self)
testEquality(ofDimensionSubclass: UnitPressure.self)
testEquality(ofDimensionSubclass: UnitSpeed.self)
testEquality(ofDimensionSubclass: UnitTemperature.self)
testEquality(ofDimensionSubclass: UnitVolume.self)
}
}
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