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https://github.com/ilyakooo0/vty.git
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189 lines
9.1 KiB
Haskell
189 lines
9.1 KiB
Haskell
{-# LANGUAGE DisambiguateRecordFields #-}
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{-# LANGUAGE NamedFieldPuns #-}
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module VerifySimpleSpanGeneration where
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import Verify.Graphics.Vty.Prelude
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import Verify.Graphics.Vty.Image
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import Verify.Graphics.Vty.Picture
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import Verify.Graphics.Vty.Span
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import Graphics.Vty.Debug
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import Graphics.Vty.PictureToSpans
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import Verify
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import qualified Data.Vector as Vector
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unitImageAndZeroWindow0 :: UnitImage -> EmptyWindow -> Bool
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unitImageAndZeroWindow0 (UnitImage _ i) (EmptyWindow w) =
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let p = picForImage i
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ops = displayOpsForPic p (regionForWindow w)
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in displayOpsColumns ops == 0 && displayOpsRows ops == 0
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unitImageAndZeroWindow1 :: UnitImage -> EmptyWindow -> Bool
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unitImageAndZeroWindow1 (UnitImage _ i) (EmptyWindow w) =
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let p = picForImage i
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ops = displayOpsForPic p (regionForWindow w)
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in ( spanOpsEffectedRows ops == 0 ) && ( allSpansHaveWidth ops 0 )
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horizSpanImageAndZeroWindow0 :: SingleRowSingleAttrImage -> EmptyWindow -> Bool
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horizSpanImageAndZeroWindow0 (SingleRowSingleAttrImage { rowImage = i }) (EmptyWindow w) =
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let p = picForImage i
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ops = displayOpsForPic p (regionForWindow w)
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in displayOpsColumns ops == 0 && displayOpsRows ops == 0
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horizSpanImageAndZeroWindow1 :: SingleRowSingleAttrImage -> EmptyWindow -> Bool
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horizSpanImageAndZeroWindow1 (SingleRowSingleAttrImage { rowImage = i }) (EmptyWindow w) =
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let p = picForImage i
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ops = displayOpsForPic p (regionForWindow w)
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in ( spanOpsEffectedRows ops == 0 ) && ( allSpansHaveWidth ops 0 )
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horizSpanImageAndEqualWindow0 :: SingleRowSingleAttrImage -> Result
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horizSpanImageAndEqualWindow0 (SingleRowSingleAttrImage { rowImage = i, expectedColumns = c }) =
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let p = picForImage i
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w = MockWindow c 1
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ops = displayOpsForPic p (regionForWindow w)
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in verifyAllSpansHaveWidth i ops c
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horizSpanImageAndEqualWindow1 :: SingleRowSingleAttrImage -> Bool
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horizSpanImageAndEqualWindow1 (SingleRowSingleAttrImage { rowImage = i, expectedColumns = c }) =
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let p = picForImage i
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w = MockWindow c 1
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ops = displayOpsForPic p (regionForWindow w)
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in spanOpsEffectedRows ops == 1
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horizSpanImageAndLesserWindow0 :: SingleRowSingleAttrImage -> Result
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horizSpanImageAndLesserWindow0 (SingleRowSingleAttrImage { rowImage = i, expectedColumns = c }) =
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let p = picForImage i
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lesserWidth = c `div` 2
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w = MockWindow lesserWidth 1
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ops = displayOpsForPic p (regionForWindow w)
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in verifyAllSpansHaveWidth i ops lesserWidth
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singleAttrSingleSpanStackCropped0 :: SingleAttrSingleSpanStack -> Result
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singleAttrSingleSpanStackCropped0 stack =
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let p = picForImage (stackImage stack)
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w = MockWindow (stackWidth stack `div` 2) (stackHeight stack)
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ops = displayOpsForPic p (regionForWindow w)
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in verifyAllSpansHaveWidth (stackImage stack) ops (stackWidth stack `div` 2)
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singleAttrSingleSpanStackCropped1 :: SingleAttrSingleSpanStack -> Bool
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singleAttrSingleSpanStackCropped1 stack =
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let p = picForImage (stackImage stack)
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expectedRowCount = stackHeight stack `div` 2
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w = MockWindow (stackWidth stack) expectedRowCount
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ops = displayOpsForPic p (regionForWindow w)
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actualRowCount = spanOpsEffectedRows ops
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in expectedRowCount == actualRowCount
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singleAttrSingleSpanStackCropped2 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Result
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singleAttrSingleSpanStackCropped2 stack0 stack1 =
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let p = picForImage (stackImage stack0 <|> stackImage stack1)
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w = MockWindow (stackWidth stack0) (imageHeight (picImage p))
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ops = displayOpsForPic p (regionForWindow w)
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in verifyAllSpansHaveWidth (picImage p) ops (stackWidth stack0)
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singleAttrSingleSpanStackCropped3 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Bool
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singleAttrSingleSpanStackCropped3 stack0 stack1 =
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let p = picForImage (stackImage stack0 <|> stackImage stack1)
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w = MockWindow (imageWidth (picImage p)) expectedRowCount
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ops = displayOpsForPic p (regionForWindow w)
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expectedRowCount = imageHeight (picImage p) `div` 2
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actualRowCount = spanOpsEffectedRows ops
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in expectedRowCount == actualRowCount
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singleAttrSingleSpanStackCropped4 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Result
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singleAttrSingleSpanStackCropped4 stack0 stack1 =
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let p = picForImage (stackImage stack0 <-> stackImage stack1)
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w = MockWindow expectedWidth (imageHeight (picImage p))
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ops = displayOpsForPic p (regionForWindow w)
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expectedWidth = imageWidth (picImage p) `div` 2
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in verifyAllSpansHaveWidth (picImage p) ops expectedWidth
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singleAttrSingleSpanStackCropped5 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Bool
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singleAttrSingleSpanStackCropped5 stack0 stack1 =
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let p = picForImage (stackImage stack0 <-> stackImage stack1)
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w = MockWindow (imageWidth (picImage p)) (stackHeight stack0)
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ops = displayOpsForPic p (regionForWindow w)
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expectedRowCount = stackHeight stack0
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actualRowCount = spanOpsEffectedRows ops
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in expectedRowCount == actualRowCount
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horizSpanImageAndGreaterWindow0 :: SingleRowSingleAttrImage -> Result
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horizSpanImageAndGreaterWindow0 (SingleRowSingleAttrImage { rowImage = i, expectedColumns = c }) =
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let p = picForImage i
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-- SingleRowSingleAttrImage always has width >= 1
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greaterWidth = c * 2
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w = MockWindow greaterWidth 1
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ops = displayOpsForPic p (regionForWindow w)
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in verifyAllSpansHaveWidth i ops greaterWidth
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arbImageIsCropped :: DefaultImage -> MockWindow -> Bool
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arbImageIsCropped (DefaultImage image) win@(MockWindow w h) =
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let pic = picForImage image
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ops = displayOpsForPic pic (regionForWindow win)
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in ( spanOpsEffectedRows ops == h ) && ( allSpansHaveWidth ops w )
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spanOpsActuallyFillRows :: DefaultPic -> Bool
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spanOpsActuallyFillRows (DefaultPic pic win) =
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let ops = displayOpsForPic pic (regionForWindow win)
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expectedRowCount = regionHeight (regionForWindow win)
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actualRowCount = spanOpsEffectedRows ops
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in expectedRowCount == actualRowCount
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spanOpsActuallyFillColumns :: DefaultPic -> Bool
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spanOpsActuallyFillColumns (DefaultPic pic win) =
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let ops = displayOpsForPic pic (regionForWindow win)
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expectedColumnCount = regionWidth (regionForWindow win)
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in allSpansHaveWidth ops expectedColumnCount
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firstSpanOpSetsAttr :: DefaultPic -> Bool
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firstSpanOpSetsAttr DefaultPic { defaultPic = pic, defaultWin = win } =
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let ops = displayOpsForPic pic (regionForWindow win)
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in all ( isAttrSpanOp . Vector.head ) ( Vector.toList ops )
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singleAttrSingleSpanStackOpCoverage :: SingleAttrSingleSpanStack -> Result
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singleAttrSingleSpanStackOpCoverage stack =
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let p = picForImage (stackImage stack)
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w = MockWindow (stackWidth stack) (stackHeight stack)
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ops = displayOpsForPic p (regionForWindow w)
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in verifyAllSpansHaveWidth (stackImage stack) ops (stackWidth stack)
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imageCoverageMatchesBounds :: Image -> Result
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imageCoverageMatchesBounds i =
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let p = picForImage i
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r = (imageWidth i,imageHeight i)
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ops = displayOpsForPic p r
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in verifyAllSpansHaveWidth i ops (imageWidth i)
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tests :: IO [Test]
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tests = return
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[ verify "unit image is cropped when window size == (0,0) [0]" unitImageAndZeroWindow0
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, verify "unit image is cropped when window size == (0,0) [1]" unitImageAndZeroWindow1
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, verify "horiz span image is cropped when window size == (0,0) [0]" horizSpanImageAndZeroWindow0
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, verify "horiz span image is cropped when window size == (0,0) [1]" horizSpanImageAndZeroWindow1
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, verify "horiz span image is not cropped when window size == size of image [width]" horizSpanImageAndEqualWindow0
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, verify "horiz span image is not cropped when window size == size of image [height]" horizSpanImageAndEqualWindow1
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, verify "horiz span image is not cropped when window size < size of image [width]" horizSpanImageAndLesserWindow0
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, verify "horiz span image is not cropped when window size > size of image [width]" horizSpanImageAndGreaterWindow0
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, verify "first span op is always to set the text attribute" firstSpanOpSetsAttr
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, verify "a stack of single attr text spans should define content for all the columns [output region == size of stack]"
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singleAttrSingleSpanStackOpCoverage
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, verify "a single attr text span is cropped when window size < size of stack image [width]"
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singleAttrSingleSpanStackCropped0
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, verify "a single attr text span is cropped when window size < size of stack image [height]"
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singleAttrSingleSpanStackCropped1
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, verify "single attr text span <|> single attr text span display cropped. [width]"
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singleAttrSingleSpanStackCropped2
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, verify "single attr text span <|> single attr text span display cropped. [height]"
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singleAttrSingleSpanStackCropped3
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, verify "single attr text span <-> single attr text span display cropped. [width]"
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singleAttrSingleSpanStackCropped4
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, verify "single attr text span <-> single attr text span display cropped. [height]"
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singleAttrSingleSpanStackCropped5
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, verify "an arbitrary image when rendered to a window of the same size will cover the entire window"
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imageCoverageMatchesBounds
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]
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