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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 http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
class TestUnitVolume: XCTestCase {
func testMetricVolumeConversions() {
let cubicKilometers = Measurement(value: 4, unit: UnitVolume.cubicKilometers)
XCTAssertEqual(cubicKilometers, Measurement(value: 4e9, unit: UnitVolume.cubicMeters), "Conversion from cubicKilometers to cubicMeters")
let megaliters = Measurement(value: 3, unit: UnitVolume.megaliters)
XCTAssertEqual(megaliters, Measurement(value: 3_000_000, unit: UnitVolume.liters), "Conversion from megaliters to liters")
let kiloliters = Measurement(value: 2, unit: UnitVolume.kiloliters)
XCTAssertEqual(kiloliters, Measurement(value: 2000, unit: UnitVolume.liters), "Conversion from kiloliters to liters")
let cubicMeters = Measurement(value: 2, unit: UnitVolume.cubicMeters)
XCTAssertEqual(cubicMeters, Measurement(value: 2000, unit: UnitVolume.liters), "Conversion from cubicMeters to liters")
XCTAssertEqual(kiloliters, cubicMeters, "Conversion from kiloliters to cubicMeters")
let liters = Measurement(value: 5, unit: UnitVolume.liters)
XCTAssertEqual(liters, Measurement(value: 5, unit: UnitVolume.cubicDecimeters), "Conversion from liters to cubicDecimeters")
XCTAssertEqual(liters, Measurement(value: 50, unit: UnitVolume.deciliters), "Conversion from liters to deciliters")
XCTAssertEqual(liters, Measurement(value: 500, unit: UnitVolume.centiliters), "Conversion from liters to centiliters")
XCTAssertEqual(liters, Measurement(value: 5000, unit: UnitVolume.milliliters), "Conversion from liters to milliliters")
XCTAssertEqual(liters, Measurement(value: 5000, unit: UnitVolume.cubicCentimeters), "Conversion from liters to cubicCentimeters")
XCTAssertEqual(liters, Measurement(value: 5e6, unit: UnitVolume.cubicMillimeters), "Conversion from liters to cubicMillimeters")
}
func testMetricToImperialVolumeConversion() {
let liters = Measurement(value: 10, unit: UnitVolume.liters)
XCTAssertEqual(liters.converted(to: .cubicInches).value, 610.236, accuracy: 0.001, "Conversion from liters to cubicInches")
}
func testImperialVolumeConversions() {
let cubicMiles = Measurement(value: 1, unit: UnitVolume.cubicMiles)
XCTAssertEqual(cubicMiles.converted(to: .cubicYards).value, 1760 * 1760 * 1760, accuracy: 1_000_000, "Conversion from cubicMiles to cubicYards")
let cubicYards = Measurement(value: 1, unit: UnitVolume.cubicYards)
XCTAssertEqual(cubicYards.converted(to: .cubicFeet).value, 27, accuracy: 0.001, "Conversion from cubicYards to cubicFeet")
let cubicFeet = Measurement(value: 1, unit: UnitVolume.cubicFeet)
XCTAssertEqual(cubicFeet.converted(to: .cubicInches).value, 1728, accuracy: 0.01, "Conversion from cubicFeet to cubicInches")
let gallons = Measurement(value: 1, unit: UnitVolume.gallons)
XCTAssertEqual(gallons.converted(to: .quarts).value, 4, accuracy: 0.001, "Conversion from gallons to quarts")
let quarts = Measurement(value: 1, unit: UnitVolume.quarts)
XCTAssertEqual(quarts.converted(to: .pints).value, 2, accuracy: 0.001, "Conversion from quarts to pints")
let pints = Measurement(value: 1, unit: UnitVolume.pints)
XCTAssertEqual(pints.converted(to: .cups).value, 2, accuracy: 0.05, "Conversion from pints to cups")
let cups = Measurement(value: 1, unit: UnitVolume.cups)
XCTAssertEqual(cups.converted(to: .fluidOunces).value, 8.12, accuracy: 0.01, "Conversion from cups to fluidOunces")
let fluidOunces = Measurement(value: 1, unit: UnitVolume.fluidOunces)
XCTAssertEqual(fluidOunces.converted(to: .tablespoons).value, 2, accuracy: 0.001, "Conversion from fluidOunces to tablespoons")
let tablespoons = Measurement(value: 1, unit: UnitVolume.tablespoons)
XCTAssertEqual(tablespoons.converted(to: .teaspoons).value, 3, accuracy: 0.001, "Conversion from tablespoons to teaspoons")
let teaspoons = Measurement(value: 1, unit: UnitVolume.teaspoons)
XCTAssertEqual(teaspoons.converted(to: .cubicInches).value, 0.3, accuracy: 0.001, "Conversion from teaspoons to cubicInches")
}
}
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