57 lines
2.4 KiB
Swift
57 lines
2.4 KiB
Swift
/*
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* DynamicColor
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*
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* Copyright 2015-present Yannick Loriot.
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* http://yannickloriot.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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*/
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import XCTest
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import DynamicColor
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class DynamicGradientTests: XCTestCase {
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func testColorPalette() {
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XCTAssertEqual(DynamicGradient(colors: []).colorPalette(amount: 0).count, 0)
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XCTAssertEqual(DynamicGradient(colors: []).colorPalette(amount: 99).count, 0)
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XCTAssertEqual(DynamicGradient(colors: [.red, .green, .blue]).colorPalette(amount: 0).count, 0)
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XCTAssertEqual(DynamicGradient(colors: [.red]).colorPalette(amount: 10).count, 10)
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XCTAssertEqual(DynamicGradient(colors: [.red]).colorPalette(amount: 10), (0 ..< 10).map({ _ in return .red }))
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}
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func testPickColorAtScale() {
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let yellow = [.red, .yellow, .green].gradient.pickColorAt(scale: 0.5)
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XCTAssert(yellow.toHex() == 0xffff00, "Color should be yellow (not \(yellow.toHexString()))")
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let red = [.red, .yellow, .green].gradient.pickColorAt(scale: 0)
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XCTAssert(red.toHex() == 0xff0000, "Color should be red (not \(red.toHexString()))")
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let green = [.red, .yellow, .green].gradient.pickColorAt(scale: 1)
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XCTAssert(green.toHex() == 0x00ff00, "Color should be green (not \(green.toHexString()))")
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let darkYellow = [.red, .green].gradient.pickColorAt(scale: 0.5)
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XCTAssert(darkYellow.toHex() == 0x808000, "Color should be a dark yellow (not \(darkYellow.toHexString()))")
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}
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}
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