wehub-resource-sync
50 lines
1.7 KiB
Swift
50 lines
1.7 KiB
Swift
import Foundation
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import Testing
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@testable import CodexBar
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struct ChartBarHoverSelectionTests {
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@Test
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func `single selectable bar accepts the full plot`() {
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#expect(ChartBarHoverSelection.accepts(
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distanceFromBarCenter: 120,
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barHalfWidth: 5,
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selectableCount: 1))
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}
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@Test
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func `multiple selectable bars accept only the bar body`() {
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#expect(ChartBarHoverSelection.accepts(
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distanceFromBarCenter: 5,
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barHalfWidth: 5,
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selectableCount: 2))
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#expect(!ChartBarHoverSelection.accepts(
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distanceFromBarCenter: 5.1,
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barHalfWidth: 5,
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selectableCount: 2))
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}
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@Test
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func `calendar day spacing follows daylight saving transitions`() throws {
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var calendar = Calendar(identifier: .gregorian)
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calendar.timeZone = try #require(TimeZone(identifier: "America/Los_Angeles"))
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let springDate = try #require(calendar.date(from: DateComponents(
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year: 2026,
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month: 3,
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day: 7,
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hour: 12)))
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let fallDate = try #require(calendar.date(from: DateComponents(
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year: 2026,
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month: 10,
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day: 31,
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hour: 12)))
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let springNextDay = ChartBarHoverSelection.nextCalendarDay(after: springDate, calendar: calendar)
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let fallNextDay = ChartBarHoverSelection.nextCalendarDay(after: fallDate, calendar: calendar)
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#expect(calendar.component(.day, from: springNextDay) == 8)
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#expect(springNextDay.timeIntervalSince(springDate) == 23 * 60 * 60)
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#expect(calendar.component(.day, from: fallNextDay) == 1)
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#expect(fallNextDay.timeIntervalSince(fallDate) == 25 * 60 * 60)
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}
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}
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