vty/test/verify_span_ops.hs
coreyoconnor 82fd9c4538 Moved all IO actions to MonadIO
Ignore-this: 69cf0259898de9ab296861ab26630460

darcs-hash:20091109053436-f0a0d-0e2ae084dd91d09216d494a2aa84958ac71ef2f7.gz
2009-11-08 21:34:36 -08:00

180 lines
9.5 KiB
Haskell

{-# LANGUAGE DisambiguateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
module Main where
import Verify.Graphics.Vty.Picture
import Verify.Graphics.Vty.Image
import Verify.Graphics.Vty.Span
import Verify.Graphics.Vty.DisplayRegion
import Graphics.Vty.Debug
import Verify
import Data.Array
unit_image_and_zero_window_0 :: UnitImage -> EmptyWindow -> Bool
unit_image_and_zero_window_0 (UnitImage _ i) (EmptyWindow w) =
let p = pic_for_image i
spans = spans_for_pic p (region_for_window w)
in span_ops_columns spans == 0 && span_ops_rows spans == 0
unit_image_and_zero_window_1 :: UnitImage -> EmptyWindow -> Bool
unit_image_and_zero_window_1 (UnitImage _ i) (EmptyWindow w) =
let p = pic_for_image i
spans = spans_for_pic p (region_for_window w)
in ( span_ops_effected_rows spans == 0 ) && ( all_spans_have_width spans 0 )
horiz_span_image_and_zero_window_0 :: SingleRowSingleAttrImage -> EmptyWindow -> Bool
horiz_span_image_and_zero_window_0 (SingleRowSingleAttrImage { row_image = i }) (EmptyWindow w) =
let p = pic_for_image i
spans = spans_for_pic p (region_for_window w)
in span_ops_columns spans == 0 && span_ops_rows spans == 0
horiz_span_image_and_zero_window_1 :: SingleRowSingleAttrImage -> EmptyWindow -> Bool
horiz_span_image_and_zero_window_1 (SingleRowSingleAttrImage { row_image = i }) (EmptyWindow w) =
let p = pic_for_image i
spans = spans_for_pic p (region_for_window w)
in ( span_ops_effected_rows spans == 0 ) && ( all_spans_have_width spans 0 )
horiz_span_image_and_equal_window_0 :: SingleRowSingleAttrImage -> Result
horiz_span_image_and_equal_window_0 (SingleRowSingleAttrImage { row_image = i, expected_columns = c }) =
let p = pic_for_image i
w = DebugWindow c 1
spans = spans_for_pic p (region_for_window w)
in verify_all_spans_have_width i spans c
horiz_span_image_and_equal_window_1 :: SingleRowSingleAttrImage -> Bool
horiz_span_image_and_equal_window_1 (SingleRowSingleAttrImage { row_image = i, expected_columns = c }) =
let p = pic_for_image i
w = DebugWindow c 1
spans = spans_for_pic p (region_for_window w)
in span_ops_effected_rows spans == 1
horiz_span_image_and_lesser_window_0 :: SingleRowSingleAttrImage -> Result
horiz_span_image_and_lesser_window_0 (SingleRowSingleAttrImage { row_image = i, expected_columns = c }) =
let p = pic_for_image i
lesser_width = c `div` 2
w = DebugWindow lesser_width 1
spans = spans_for_pic p (region_for_window w)
in verify_all_spans_have_width i spans lesser_width
single_attr_single_span_stack_cropped_0 :: SingleAttrSingleSpanStack -> Result
single_attr_single_span_stack_cropped_0 stack =
let p = pic_for_image (stack_image stack)
w = DebugWindow (stack_width stack `div` 2) (stack_height stack)
spans = spans_for_pic p (region_for_window w)
in verify_all_spans_have_width (stack_image stack) spans (stack_width stack `div` 2)
single_attr_single_span_stack_cropped_1 :: SingleAttrSingleSpanStack -> Bool
single_attr_single_span_stack_cropped_1 stack =
let p = pic_for_image (stack_image stack)
expected_row_count = stack_height stack `div` 2
w = DebugWindow (stack_width stack) expected_row_count
spans = spans_for_pic p (region_for_window w)
actual_row_count = span_ops_effected_rows spans
in expected_row_count == actual_row_count
single_attr_single_span_stack_cropped_2 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Result
single_attr_single_span_stack_cropped_2 stack_0 stack_1 =
let p = pic_for_image (stack_image stack_0 <|> stack_image stack_1)
w = DebugWindow (stack_width stack_0) (image_height (pic_image p))
spans = spans_for_pic p (region_for_window w)
in verify_all_spans_have_width (pic_image p) spans (stack_width stack_0)
single_attr_single_span_stack_cropped_3 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Bool
single_attr_single_span_stack_cropped_3 stack_0 stack_1 =
let p = pic_for_image (stack_image stack_0 <|> stack_image stack_1)
w = DebugWindow (image_width (pic_image p)) expected_row_count
spans = spans_for_pic p (region_for_window w)
expected_row_count = image_height (pic_image p) `div` 2
actual_row_count = span_ops_effected_rows spans
in expected_row_count == actual_row_count
single_attr_single_span_stack_cropped_4 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Result
single_attr_single_span_stack_cropped_4 stack_0 stack_1 =
let p = pic_for_image (stack_image stack_0 <-> stack_image stack_1)
w = DebugWindow expected_width (image_height (pic_image p))
spans = spans_for_pic p (region_for_window w)
expected_width = image_width (pic_image p) `div` 2
in verify_all_spans_have_width (pic_image p) spans expected_width
single_attr_single_span_stack_cropped_5 :: SingleAttrSingleSpanStack -> SingleAttrSingleSpanStack -> Bool
single_attr_single_span_stack_cropped_5 stack_0 stack_1 =
let p = pic_for_image (stack_image stack_0 <-> stack_image stack_1)
w = DebugWindow (image_width (pic_image p)) (stack_height stack_0)
spans = spans_for_pic p (region_for_window w)
expected_row_count = stack_height stack_0
actual_row_count = span_ops_effected_rows spans
in expected_row_count == actual_row_count
horiz_span_image_and_greater_window_0 :: SingleRowSingleAttrImage -> Result
horiz_span_image_and_greater_window_0 (SingleRowSingleAttrImage { row_image = i, expected_columns = c }) =
let p = pic_for_image i
-- SingleRowSingleAttrImage always has width >= 1
greater_width = c * 2
w = DebugWindow greater_width 1
spans = spans_for_pic p (region_for_window w)
in verify_all_spans_have_width i spans greater_width
arb_image_is_cropped :: DefaultImage -> DebugWindow -> Bool
arb_image_is_cropped (DefaultImage image _) win@(DebugWindow w h) =
let pic = pic_for_image image
spans = spans_for_pic pic (region_for_window win)
in ( span_ops_effected_rows spans == h ) && ( all_spans_have_width spans w )
span_ops_actually_fill_rows :: DefaultPic -> Bool
span_ops_actually_fill_rows (DefaultPic pic win _) =
let spans = spans_for_pic pic (region_for_window win)
expected_row_count = region_height (region_for_window win)
actual_row_count = span_ops_effected_rows spans
in expected_row_count == actual_row_count
span_ops_actually_fill_columns :: DefaultPic -> Bool
span_ops_actually_fill_columns (DefaultPic pic win _) =
let spans = spans_for_pic pic (region_for_window win)
expected_column_count = region_width (region_for_window win)
in all_spans_have_width spans expected_column_count
first_span_op_sets_attr :: DefaultPic -> Bool
first_span_op_sets_attr DefaultPic { default_pic = pic, default_win = win } =
let spans = spans_for_pic pic (region_for_window win)
in all ( is_attr_span_op . head ) ( elems $ row_ops spans )
single_attr_single_span_stack_op_coverage :: SingleAttrSingleSpanStack -> Result
single_attr_single_span_stack_op_coverage stack =
let p = pic_for_image (stack_image stack)
w = DebugWindow (stack_width stack) (stack_height stack)
spans = spans_for_pic p (region_for_window w)
in verify_all_spans_have_width (stack_image stack) spans (stack_width stack)
main :: IO ()
main = run_test $ do
verify "unit image is cropped when window size == (0,0) [0]" unit_image_and_zero_window_0
verify "unit image is cropped when window size == (0,0) [1]" unit_image_and_zero_window_1
verify "horiz span image is cropped when window size == (0,0) [0]" horiz_span_image_and_zero_window_0
verify "horiz span image is cropped when window size == (0,0) [1]" horiz_span_image_and_zero_window_1
verify "horiz span image is not cropped when window size == size of image [width]" horiz_span_image_and_equal_window_0
verify "horiz span image is not cropped when window size == size of image [height]" horiz_span_image_and_equal_window_1
verify "horiz span image is not cropped when window size < size of image [width]" horiz_span_image_and_lesser_window_0
verify "horiz span image is not cropped when window size > size of image [width]" horiz_span_image_and_greater_window_0
verify "arbitrary image is padded or cropped" arb_image_is_cropped
verify "The span ops actually define content for all the rows in the output region" span_ops_actually_fill_rows
verify "The span ops actually define content for all the columns in the output region" span_ops_actually_fill_columns
verify "first span op is always to set the text attribute" first_span_op_sets_attr
verify "a stack of single attr text spans should define content for all the columns [output region == size of stack]"
single_attr_single_span_stack_op_coverage
verify "a single attr text span is cropped when window size < size of stack image [width]"
single_attr_single_span_stack_cropped_0
verify "a single attr text span is cropped when window size < size of stack image [height]"
single_attr_single_span_stack_cropped_1
verify "single attr text span <|> single attr text span cropped. [width]"
single_attr_single_span_stack_cropped_2
verify "single attr text span <|> single attr text span cropped. [height]"
single_attr_single_span_stack_cropped_3
verify "single attr text span <-> single attr text span cropped. [width]"
single_attr_single_span_stack_cropped_4
verify "single attr text span <-> single attr text span cropped. [height]"
single_attr_single_span_stack_cropped_5
return ()