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// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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 TestMassFormatter: XCTestCase {
let formatter: MassFormatter = MassFormatter()
override func setUp() {
formatter.numberFormatter.locale = Locale(identifier: "en_US")
formatter.isForPersonMassUse = false
super.setUp()
}
func test_stringFromKilogramsImperialRegion() {
XCTAssertEqual(formatter.string(fromKilograms: -100), "-220.462 lb")
XCTAssertEqual(formatter.string(fromKilograms: 0.00001), "0 oz")
XCTAssertEqual(formatter.string(fromKilograms: 0.0001), "0.004 oz")
XCTAssertEqual(formatter.string(fromKilograms: 1), "2.205 lb")
XCTAssertEqual(formatter.string(fromKilograms: 100), "220.462 lb")
}
func test_stringFromKilogramsMetricRegion() {
formatter.numberFormatter.locale = Locale(identifier: "de_DE")
XCTAssertEqual(formatter.string(fromKilograms: -100), "-100 kg")
XCTAssertEqual(formatter.string(fromKilograms: -1), "-1 kg")
XCTAssertEqual(formatter.string(fromKilograms: 1000), "1.000 kg")
}
func test_stringFromKilogramsMetricRegionPersonMassUse() {
formatter.numberFormatter.locale = Locale(identifier: "en_GB")
formatter.isForPersonMassUse = true
XCTAssertEqual(formatter.string(fromKilograms: -100), "-100 kg")
XCTAssertEqual(formatter.string(fromKilograms: -1), "-1 kg")
XCTAssertEqual(formatter.string(fromKilograms: 1000), "1,000 kg")
}
func test_stringFromValue() {
formatter.unitStyle = .long
XCTAssertEqual(formatter.string(fromValue: 0.002, unit: .kilogram),"0.002 kilograms")
XCTAssertEqual(formatter.string(fromValue: 0, unit: .stone), "0 stones")
XCTAssertEqual(formatter.string(fromValue: 1, unit: .stone), "1 stone")
XCTAssertEqual(formatter.string(fromValue: 2.4, unit: .stone), "2 stones, 5.6 pounds")
formatter.unitStyle = .short
XCTAssertEqual(formatter.string(fromValue: 0.00000001, unit: .kilogram), "0kg")
XCTAssertEqual(formatter.string(fromValue: 6, unit: .pound), "6#")
XCTAssertEqual(formatter.string(fromValue: 2.4, unit: .stone), "2st 5.6#")
XCTAssertEqual(formatter.string(fromValue: 123456, unit: .stone), "123,456st")
formatter.unitStyle = .medium
XCTAssertEqual(formatter.string(fromValue: 0.00000001, unit: .kilogram), "0 kg")
XCTAssertEqual(formatter.string(fromValue: 2.4, unit: .stone), "2 st, 5.6 lb")
XCTAssertEqual(formatter.string(fromValue: 2.0, unit: .stone), "2 st")
XCTAssertEqual(formatter.string(fromValue: 123456.78, unit: .stone), "123,456 st, 10.92 lb")
}
func test_unitStringFromKilograms() {
var unit = MassFormatter.Unit.kilogram
// imperial
XCTAssertEqual(formatter.unitString(fromKilograms: -100000, usedUnit: &unit), "lb")
XCTAssertEqual(unit, .pound)
XCTAssertEqual(formatter.unitString(fromKilograms: 0, usedUnit: &unit), "lb")
XCTAssertEqual(unit, .pound)
XCTAssertEqual(formatter.unitString(fromKilograms: 0.0001, usedUnit: &unit), "oz")
XCTAssertEqual(unit, .ounce)
XCTAssertEqual(formatter.unitString(fromKilograms: 0.4535, usedUnit: &unit), "oz")
XCTAssertEqual(unit, .ounce)
XCTAssertEqual(formatter.unitString(fromKilograms: 0.4536, usedUnit: &unit), "lb")
XCTAssertEqual(unit, .pound)
// metric
formatter.numberFormatter.locale = Locale(identifier: "de_DE")
XCTAssertEqual(formatter.unitString(fromKilograms: -100000, usedUnit: &unit), "kg")
XCTAssertEqual(unit, .kilogram)
XCTAssertEqual(formatter.unitString(fromKilograms: 0, usedUnit: &unit), "kg")
XCTAssertEqual(unit, .kilogram)
XCTAssertEqual(formatter.unitString(fromKilograms: 0.0001, usedUnit: &unit), "g")
XCTAssertEqual(unit, .gram)
XCTAssertEqual(formatter.unitString(fromKilograms: 1.000, usedUnit: &unit), "g")
XCTAssertEqual(unit, .gram)
XCTAssertEqual(formatter.unitString(fromKilograms: 1.001, usedUnit: &unit), "kg")
XCTAssertEqual(unit, .kilogram)
}
func test_unitStringFromValue() {
formatter.unitStyle = .long
XCTAssertEqual(formatter.unitString(fromValue: 0.002, unit: .kilogram), "kilograms")
XCTAssertEqual(formatter.unitString(fromValue: 0.100, unit: .gram), "grams")
XCTAssertEqual(formatter.unitString(fromValue: 2.000, unit: .pound), "pounds")
XCTAssertEqual(formatter.unitString(fromValue: 2.002, unit: .ounce), "ounces")
XCTAssertEqual(formatter.unitString(fromValue: 2.002, unit: .stone), "stone")
formatter.unitStyle = .medium
XCTAssertEqual(formatter.unitString(fromValue: 0.002, unit: .kilogram), "kg")
XCTAssertEqual(formatter.unitString(fromValue: 0.100, unit: .gram), "g")
XCTAssertEqual(formatter.unitString(fromValue: 2.000, unit: .pound), "lb")
XCTAssertEqual(formatter.unitString(fromValue: 2.002, unit: .ounce), "oz")
XCTAssertEqual(formatter.unitString(fromValue: 2.002, unit: .stone), "st")
formatter.unitStyle = .short
XCTAssertEqual(formatter.unitString(fromValue: 0.002, unit: .kilogram), "kg")
XCTAssertEqual(formatter.unitString(fromValue: 0.100, unit: .gram), "g")
XCTAssertEqual(formatter.unitString(fromValue: 2.000, unit: .pound), "lb")
XCTAssertEqual(formatter.unitString(fromValue: 2.002, unit: .ounce), "oz")
XCTAssertEqual(formatter.unitString(fromValue: 2.002, unit: .stone), "st")
}
}
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