88 lines
3.2 KiB
Swift
88 lines
3.2 KiB
Swift
 
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import Testing
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@testable import PlayDate
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// Most of the binding requires a running Playdate (the API struct is handed
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// to the game at launch), so these tests cover the pure value types and the
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// inline C helpers that work without it.
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@Test func buttonsOptionSetMatchesCMasks() {
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#expect(Playdate.System.Buttons.left.rawValue == 1 << 0)
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#expect(Playdate.System.Buttons.right.rawValue == 1 << 1)
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#expect(Playdate.System.Buttons.up.rawValue == 1 << 2)
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#expect(Playdate.System.Buttons.down.rawValue == 1 << 3)
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#expect(Playdate.System.Buttons.b.rawValue == 1 << 4)
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#expect(Playdate.System.Buttons.a.rawValue == 1 << 5)
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let combined: Playdate.System.Buttons = [.a, .up]
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#expect(combined.contains(.a))
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#expect(!combined.contains(.b))
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}
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@Test func graphicsRectConvertsBetweenOriginSizeAndEdges() {
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let rect = Playdate.Graphics.Rect(x: 10, y: 20, width: 30, height: 40)
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#expect(rect.left == 10)
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#expect(rect.right == 40)
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#expect(rect.top == 20)
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#expect(rect.bottom == 60)
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let translated = rect.translated(dx: 5, dy: -5)
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#expect(translated.left == 15)
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#expect(translated.top == 15)
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let roundTripped = Playdate.Graphics.Rect(rect.cValue)
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#expect(roundTripped.left == rect.left && roundTripped.bottom == rect.bottom)
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}
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@Test func spriteRectRoundTripsThroughC() {
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let rect = Playdate.Rect(x: 1.5, y: 2.5, width: 3, height: 4)
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let roundTripped = Playdate.Rect(rect.cValue)
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#expect(roundTripped.x == 1.5)
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#expect(roundTripped.y == 2.5)
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#expect(roundTripped.width == 3)
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#expect(roundTripped.height == 4)
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}
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@Test func soundFormatPropertiesMatchCMacros() {
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#expect(!Playdate.Sound.Format.mono8bit.isStereo)
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#expect(Playdate.Sound.Format.stereo16bit.isStereo)
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#expect(Playdate.Sound.Format.mono16bit.is16bit)
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#expect(!Playdate.Sound.Format.monoADPCM.is16bit)
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#expect(Playdate.Sound.Format.mono8bit.bytesPerFrame == 1)
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#expect(Playdate.Sound.Format.stereo8bit.bytesPerFrame == 2)
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#expect(Playdate.Sound.Format.mono16bit.bytesPerFrame == 2)
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#expect(Playdate.Sound.Format.stereo16bit.bytesPerFrame == 4)
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}
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@Test func midiNoteFrequencyConversionRoundTrips() {
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// A4 (MIDI 69) is 440 Hz.
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let a4 = Playdate.Sound.frequency(forNote: 69)
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#expect(abs(a4 - 440) < 0.01)
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let note = Playdate.Sound.note(forFrequency: 440)
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#expect(abs(note - 69) < 0.001)
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}
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@Test func cStringHelpersRoundTripUTF8() {
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let original = "héllo, wörld"
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let copy = original.copiedPlaydateCString()
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defer { copy.deallocate() }
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#expect(String(playdateCString: copy) == original)
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let viaClosure = original.withPlaydateCString { String(playdateCString: $0) }
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#expect(viaClosure == original)
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}
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@Test func dateTimeMirrorsCStruct() {
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let dateTime = Playdate.System.DateTime(year: 2026, month: 7, day: 24, weekday: 5,
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hour: 12, minute: 34, second: 56)
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let roundTripped = Playdate.System.DateTime(dateTime.cValue)
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#expect(roundTripped.year == 2026)
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#expect(roundTripped.month == 7)
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#expect(roundTripped.day == 24)
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#expect(roundTripped.weekday == 5)
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#expect(roundTripped.hour == 12)
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#expect(roundTripped.minute == 34)
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#expect(roundTripped.second == 56)
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}
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