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author | Kartik K. Agaram <vc@akkartik.com> | 2022-06-28 18:48:59 -0700 |
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committer | Kartik K. Agaram <vc@akkartik.com> | 2022-06-28 18:48:59 -0700 |
commit | b49ff8dde9b45e38fe11324281b8cfd0a8d013ec (patch) | |
tree | 5272a02cae0181bfb08b44dfe0c0f8fa12b7ffe9 /text_tests.lua | |
parent | 938e3ca1bb1ab20a6f0743121e1e60960efdfa64 (diff) | |
download | lines.love-b49ff8dde9b45e38fe11324281b8cfd0a8d013ec.tar.gz |
bugfix: scrolling in left/right movements
I'd always had a funny feeling there was something missing there but somehow never thought of the right failing test.
Diffstat (limited to 'text_tests.lua')
-rw-r--r-- | text_tests.lua | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/text_tests.lua b/text_tests.lua index 698c186..3fcb5aa 100644 --- a/text_tests.lua +++ b/text_tests.lua @@ -1152,6 +1152,124 @@ function test_typing_on_bottom_line_scrolls_down() App.screen.check(y, 'l', 'F - test_typing_on_bottom_line_scrolls_down/screen:3') end +function test_left_arrow_scrolls_up_in_wrapped_line() + io.write('\ntest_left_arrow_scrolls_up_in_wrapped_line') + -- display lines starting from second screen line of a line + App.screen.init{width=Margin_left+30, height=60} + Lines = load_array{'abc', 'def', 'ghi jkl', 'mno'} + Line_width = App.screen.width + Screen_top1 = {line=3, pos=5} + Screen_bottom1 = {} + -- cursor is at top of screen + Cursor1 = {line=3, pos=5} + App.draw() + local y = Margin_top + App.screen.check(y, 'jkl', 'F - test_left_arrow_scrolls_up_in_wrapped_line/baseline/screen:1') + y = y + Line_height + App.screen.check(y, 'mno', 'F - test_left_arrow_scrolls_up_in_wrapped_line/baseline/screen:2') + -- after hitting the left arrow the screen scrolls up to first screen line + App.run_after_keychord('left') + y = Margin_top + App.screen.check(y, 'ghi ', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:1') + y = y + Line_height + App.screen.check(y, 'jkl', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:2') + y = y + Line_height + App.screen.check(y, 'mno', 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen:3') + check_eq(Screen_top1.line, 3, 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen_top') + check_eq(Screen_top1.pos, 1, 'F - test_left_arrow_scrolls_up_in_wrapped_line/screen_top') + check_eq(Cursor1.line, 3, 'F - test_left_arrow_scrolls_up_in_wrapped_line/cursor:line') + check_eq(Cursor1.pos, 4, 'F - test_left_arrow_scrolls_up_in_wrapped_line/cursor:pos') +end + +function test_right_arrow_scrolls_down_in_wrapped_line() + io.write('\ntest_right_arrow_scrolls_down_in_wrapped_line') + -- display the first three lines with the cursor on the bottom line + App.screen.init{width=Margin_left+30, height=60} + Lines = load_array{'abc', 'def', 'ghi jkl', 'mno'} + Line_width = App.screen.width + Screen_top1 = {line=1, pos=1} + Screen_bottom1 = {} + -- cursor is at bottom right of screen + Cursor1 = {line=3, pos=5} + App.draw() + local y = Margin_top + App.screen.check(y, 'abc', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:1') + y = y + Line_height + App.screen.check(y, 'def', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:2') + y = y + Line_height + App.screen.check(y, 'ghi ', 'F - test_right_arrow_scrolls_down_in_wrapped_line/baseline/screen:3') -- line wrapping includes trailing whitespace + -- after hitting the right arrow the screen scrolls down by one line + App.run_after_keychord('right') + check_eq(Screen_top1.line, 2, 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen_top') + check_eq(Cursor1.line, 3, 'F - test_right_arrow_scrolls_down_in_wrapped_line/cursor:line') + check_eq(Cursor1.pos, 6, 'F - test_right_arrow_scrolls_down_in_wrapped_line/cursor:pos') + y = Margin_top + App.screen.check(y, 'def', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:1') + y = y + Line_height + App.screen.check(y, 'ghi ', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:2') + y = y + Line_height + App.screen.check(y, 'jkl', 'F - test_right_arrow_scrolls_down_in_wrapped_line/screen:3') +end + +function test_home_scrolls_up_in_wrapped_line() + io.write('\ntest_home_scrolls_up_in_wrapped_line') + -- display lines starting from second screen line of a line + App.screen.init{width=Margin_left+30, height=60} + Lines = load_array{'abc', 'def', 'ghi jkl', 'mno'} + Line_width = App.screen.width + Screen_top1 = {line=3, pos=5} + Screen_bottom1 = {} + -- cursor is at top of screen + Cursor1 = {line=3, pos=5} + App.draw() + local y = Margin_top + App.screen.check(y, 'jkl', 'F - test_home_scrolls_up_in_wrapped_line/baseline/screen:1') + y = y + Line_height + App.screen.check(y, 'mno', 'F - test_home_scrolls_up_in_wrapped_line/baseline/screen:2') + -- after hitting home the screen scrolls up to first screen line + App.run_after_keychord('home') + y = Margin_top + App.screen.check(y, 'ghi ', 'F - test_home_scrolls_up_in_wrapped_line/screen:1') + y = y + Line_height + App.screen.check(y, 'jkl', 'F - test_home_scrolls_up_in_wrapped_line/screen:2') + y = y + Line_height + App.screen.check(y, 'mno', 'F - test_home_scrolls_up_in_wrapped_line/screen:3') + check_eq(Screen_top1.line, 3, 'F - test_home_scrolls_up_in_wrapped_line/screen_top') + check_eq(Screen_top1.pos, 1, 'F - test_home_scrolls_up_in_wrapped_line/screen_top') + check_eq(Cursor1.line, 3, 'F - test_home_scrolls_up_in_wrapped_line/cursor:line') + check_eq(Cursor1.pos, 1, 'F - test_home_scrolls_up_in_wrapped_line/cursor:pos') +end + +function test_end_scrolls_down_in_wrapped_line() + io.write('\ntest_end_scrolls_down_in_wrapped_line') + -- display the first three lines with the cursor on the bottom line + App.screen.init{width=Margin_left+30, height=60} + Lines = load_array{'abc', 'def', 'ghi jkl', 'mno'} + Line_width = App.screen.width + Screen_top1 = {line=1, pos=1} + Screen_bottom1 = {} + -- cursor is at bottom right of screen + Cursor1 = {line=3, pos=5} + App.draw() + local y = Margin_top + App.screen.check(y, 'abc', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:1') + y = y + Line_height + App.screen.check(y, 'def', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:2') + y = y + Line_height + App.screen.check(y, 'ghi ', 'F - test_end_scrolls_down_in_wrapped_line/baseline/screen:3') -- line wrapping includes trailing whitespace + -- after hitting end the screen scrolls down by one line + App.run_after_keychord('end') + check_eq(Screen_top1.line, 2, 'F - test_end_scrolls_down_in_wrapped_line/screen_top') + check_eq(Cursor1.line, 3, 'F - test_end_scrolls_down_in_wrapped_line/cursor:line') + check_eq(Cursor1.pos, 8, 'F - test_end_scrolls_down_in_wrapped_line/cursor:pos') + y = Margin_top + App.screen.check(y, 'def', 'F - test_end_scrolls_down_in_wrapped_line/screen:1') + y = y + Line_height + App.screen.check(y, 'ghi ', 'F - test_end_scrolls_down_in_wrapped_line/screen:2') + y = y + Line_height + App.screen.check(y, 'jkl', 'F - test_end_scrolls_down_in_wrapped_line/screen:3') +end + function test_position_cursor_on_recently_edited_wrapping_line() -- draw a line wrapping over 2 screen lines io.write('\ntest_position_cursor_on_recently_edited_wrapping_line') |