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Simplify color parser tests

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This commit is contained in:
Sven Weidauer 2020-12-31 20:16:41 +01:00
parent d660c40793
commit 4406619c84
1 changed files with 16 additions and 22 deletions
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38
Tests/MakeColorsTests/ColorParserTest.swift
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@ -3,68 +3,62 @@ import XCTest
final class ColorParserTest: XCTestCase {
func testScanningThreeDigitColor() throws {
let scanner = Scanner(string: "#abc")
let color = scanner.color()
let color = scanColor("#abc")
XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC), color)
}
func testScanningThreeDigitColorUppercase() throws {
let scanner = Scanner(string: "#ABc")
let color = scanner.color()
let color = scanColor("#ABc")
XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC), color)
}
func testScanningFourDigitColor() throws {
let scanner = Scanner(string: "#abcd")
let color = scanner.color()
let color = scanColor("#abcd")
XCTAssertEqual(Color(red: 0xAA, green: 0xBB, blue: 0xCC, alpha: 0xDD), color)
}
func testScanningSixDigitColor() throws {
let scanner = Scanner(string: "#abcdef")
let color = scanner.color()
let color = scanColor("#abcdef")
XCTAssertEqual(Color(red: 0xAB, green: 0xCD, blue: 0xEF), color)
}
func testScanningEightDigitColor() throws {
let scanner = Scanner(string: "#abcdef17")
let color = scanner.color()
let color = scanColor("#abcdef17")
XCTAssertEqual(Color(red: 0xAB, green: 0xCD, blue: 0xEF, alpha: 0x17), color)
}
func testScanningRGBColor() throws {
let scanner = Scanner(string: "rgb(1,2,3)")
let color = scanner.color()
let color = scanColor("rgb(1,2,3)")
XCTAssertEqual(Color(red: 1, green: 2, blue: 3), color)
}
func testScanningRGBAColor() throws {
let scanner = Scanner(string: "rgba(1,2,3,4)")
let color = scanner.color()
let color = scanColor("rgba(1,2,3,4)")
XCTAssertEqual(Color(red: 1, green: 2, blue: 3, alpha: 4), color)
}
func testScanningWhite() throws {
let scanner = Scanner(string: "white(255)")
let color = scanner.color()
let color = scanColor("white(255)")
XCTAssertEqual(Color(red: 255, green: 255, blue: 255, alpha: 255), color)
}
func testScanningWhiteWithAlpha() throws {
let scanner = Scanner(string: "white(255, 128)")
let color = scanner.color()
let color = scanColor("white(255, 128)")
XCTAssertEqual(Color(red: 255, green: 255, blue: 255, alpha: 128), color)
}
func testWhiteFailsWithoutArguments() throws {
let scanner = Scanner(string: "white()")
let color = scanner.color()
let color = scanColor("white()")
XCTAssertNil(color)
}
func testWhiteFailsWith3Arguments() throws {
let scanner = Scanner(string: "white(1,2,3)")
let color = scanner.color()
let color = scanColor("white(1,2,3)")
XCTAssertNil(color)
}
private func scanColor(_ input: String) -> Color? {
let scanner = Scanner(string: input)
return scanner.color()
}
}