Sven/MakeColors
1
0
Fork 0
Code Issues 1 Pull requests Projects Releases 4 Packages Wiki Activity Actions

Support giving color values as percentage

Browse source
This commit is contained in:
Sven Weidauer 2021-01-01 12:52:20 +01:00
parent 911db304ae
commit e65f684654
2 changed files with 42 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

29
Tests/MakeColorsTests/ColorParserTest.swift
View file

@ -57,6 +57,35 @@ final class ColorParserTest: XCTestCase {
XCTAssertNil(color)
}
func testScanningColorWithPercentage() throws {
let color = scanColor("rgba(100%, 0, 50%, 100%)")
XCTAssertEqual(color, Color(red: 255, green: 0, blue: 127, alpha: 255))
}
func testReadingComponentAsByte() throws {
let scanner = Scanner(string: "128")
XCTAssertEqual(scanner.component(), 128)
XCTAssertTrue(scanner.isAtEnd)
}
func testReadingComponentAs100Percent() throws {
let scanner = Scanner(string: "100%")
XCTAssertEqual(scanner.component(), 0xFF)
XCTAssertTrue(scanner.isAtEnd)
}
func testReadingComponentAs0Percent() throws {
let scanner = Scanner(string: "0%")
XCTAssertEqual(scanner.component(), 0)
XCTAssertTrue(scanner.isAtEnd)
}
func testReadingComponentAs50PercentRoundsDown() throws {
let scanner = Scanner(string: "50%")
XCTAssertEqual(scanner.component(), 127)
XCTAssertTrue(scanner.isAtEnd)
}
private func scanColor(_ input: String) -> Color? {
let scanner = Scanner(string: input)
return scanner.color()