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pkurchatov
60 lines
1.6 KiB
Swift
60 lines
1.6 KiB
Swift
import CoreGraphics
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import LayoutKit
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import VGSL
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import XCTest
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final class GenericCollectionLayoutTests: XCTestCase {
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func test_WhenConstructingFromFramesAndPageSize_IncreasesContentSizeToFitLastPageSize() {
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let me = GenericCollectionLayout(
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frames: frames,
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pageSize: pageSize
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)
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XCTAssertEqual(me.contentSize.truncatingRemainder(dividingBy: pageSize), .zero)
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}
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func test_WhenConstructingFromZeroFrameAndPageSize_IncreasesContentSizeToFitLastPageSize() {
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let me = GenericCollectionLayout(
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frames: [.zero],
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pageSize: pageSize
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)
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XCTAssertEqual(me.contentSize.truncatingRemainder(dividingBy: pageSize), .zero)
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}
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func test_WhenConstructingWithoutFramesAndPageSize_IncreasesContentSizeToFitLastPageSize() {
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let me = GenericCollectionLayout(
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frames: [],
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pageSize: pageSize
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)
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XCTAssertEqual(me.contentSize.truncatingRemainder(dividingBy: pageSize), .zero)
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}
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func test_WhenConstructingFromFramesAndZeroPageSize_DoesNotIncreaseContentSize() {
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let frame = frames[0]
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let me = GenericCollectionLayout(
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frames: [frame],
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pageSize: .zero
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)
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XCTAssertEqual(me.contentSize, CGSize(width: frame.maxX, height: frame.maxY))
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}
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}
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extension CGSize {
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fileprivate func truncatingRemainder(dividingBy other: CGSize) -> CGSize {
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CGSize(
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width: width.truncatingRemainder(dividingBy: other.width),
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height: height.truncatingRemainder(dividingBy: other.height)
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)
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}
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}
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private let frames: [CGRect] = [
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.init(x: 0, y: 0, width: 100, height: 100),
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.init(x: 0, y: 0, width: 200, height: 200),
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]
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private let pageSize = CGSize(width: 320, height: 480)
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