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- -- major tests for text editing flows
- -- Arguably this should be called edit_tests.lua,
- -- but that would mess up the git blame at this point.
- function test_initial_state()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{}
- Text.redraw_all(Editor_state)
- edit.draw(Editor_state)
- check_eq(#Editor_state.lines, 1, '#lines')
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'cursor:pos')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 1, 'screen_top:pos')
- end
- function test_move_left()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'a'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=2}
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'left', 'left')
- check_eq(Editor_state.cursor1.pos, 1, 'check')
- end
- function test_move_right()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'a'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'right', 'right')
- check_eq(Editor_state.cursor1.pos, 2, 'check')
- end
- function test_move_left_to_previous_line()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'left', 'left')
- check_eq(Editor_state.cursor1.line, 1, 'line')
- check_eq(Editor_state.cursor1.pos, 4, 'pos') -- past end of line
- end
- function test_move_right_to_next_line()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=4} -- past end of line
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'right', 'right')
- check_eq(Editor_state.cursor1.line, 2, 'line')
- check_eq(Editor_state.cursor1.pos, 1, 'pos')
- end
- function test_move_to_start_of_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=3}
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-left', 'left')
- check_eq(Editor_state.cursor1.pos, 1, 'check')
- end
- function test_move_to_start_of_previous_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=4} -- at the space between words
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-left', 'left')
- check_eq(Editor_state.cursor1.pos, 1, 'check')
- end
- function test_skip_to_previous_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=5} -- at the start of second word
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-left', 'left')
- check_eq(Editor_state.cursor1.pos, 1, 'check')
- end
- function test_skip_past_tab_to_previous_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def\tghi'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=10} -- within third word
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-left', 'left')
- check_eq(Editor_state.cursor1.pos, 9, 'check')
- end
- function test_skip_multiple_spaces_to_previous_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=6} -- at the start of second word
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-left', 'left')
- check_eq(Editor_state.cursor1.pos, 1, 'check')
- end
- function test_move_to_start_of_word_on_previous_line()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def', 'ghi'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-left', 'left')
- check_eq(Editor_state.cursor1.line, 1, 'line')
- check_eq(Editor_state.cursor1.pos, 5, 'pos')
- end
- function test_move_past_end_of_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-right', 'right')
- check_eq(Editor_state.cursor1.pos, 4, 'check')
- end
- function test_skip_to_next_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=4} -- at the space between words
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-right', 'right')
- check_eq(Editor_state.cursor1.pos, 8, 'check')
- end
- function test_skip_past_tab_to_next_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc\tdef'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1} -- at the space between words
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-right', 'right')
- check_eq(Editor_state.cursor1.pos, 4, 'check')
- end
- function test_skip_multiple_spaces_to_next_word()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=4} -- at the start of second word
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-right', 'right')
- check_eq(Editor_state.cursor1.pos, 9, 'check')
- end
- function test_move_past_end_of_word_on_next_line()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def', 'ghi'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=8}
- edit.draw(Editor_state)
- edit.run_after_keychord(Editor_state, 'M-right', 'right')
- check_eq(Editor_state.cursor1.line, 2, 'line')
- check_eq(Editor_state.cursor1.pos, 4, 'pos')
- end
- function test_click_moves_cursor()
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
- edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, 'cursor:pos')
- -- selection is empty to avoid perturbing future edits
- check_nil(Editor_state.selection1.line, 'selection:line')
- check_nil(Editor_state.selection1.pos, 'selection:pos')
- end
- function test_click_to_left_of_line()
- -- display a line with the cursor in the middle
- App.screen.init{width=50, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=3}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- -- click to the left of the line
- edit.draw(Editor_state)
- edit.run_after_mouse_click(Editor_state, Editor_state.left-4,Editor_state.top+5, 1)
- -- cursor moves to start of line
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'cursor:pos')
- check_nil(Editor_state.selection1.line, 'selection is empty to avoid perturbing future edits')
- end
- function test_click_takes_margins_into_account()
- -- display two lines with cursor on one of them
- App.screen.init{width=100, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.left = 50 -- occupy only right side of screen
- Editor_state.lines = load_array{'abc', 'def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- -- click on the other line
- edit.draw(Editor_state)
- edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- -- cursor moves
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, 'cursor:pos')
- check_nil(Editor_state.selection1.line, 'selection is empty to avoid perturbing future edits')
- end
- function test_click_on_empty_line()
- -- display two lines with the first one empty
- App.screen.init{width=50, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'', 'def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- -- click on the empty line
- edit.draw(Editor_state)
- edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- -- cursor moves
- check_eq(Editor_state.cursor1.line, 1, 'cursor')
- -- selection remains empty
- check_nil(Editor_state.selection1.line, 'selection is empty to avoid perturbing future edits')
- end
- function test_click_below_all_lines()
- -- display one line
- App.screen.init{width=50, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- -- click below first line
- edit.draw(Editor_state)
- edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+50, 1)
- -- cursor doesn't move
- check_eq(Editor_state.cursor1.line, 1, 'cursor')
- -- selection remains empty
- check_nil(Editor_state.selection1.line, 'selection is empty to avoid perturbing future edits')
- end
- function test_draw_text()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:3')
- end
- function test_draw_wrapping_text()
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'defgh', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'de', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'fgh', 'screen:3')
- end
- function test_draw_word_wrapping_text()
- App.screen.init{width=60, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def ghi', 'jkl'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def ', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:3')
- end
- function test_click_on_wrapping_line()
- -- display two screen lines with cursor on one of them
- App.screen.init{width=50, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def ghi jkl mno pqr stu'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=20}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- -- click on the other line
- edit.draw(Editor_state)
- edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- -- cursor moves
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, 'cursor:pos')
- check_nil(Editor_state.selection1.line, 'selection is empty to avoid perturbing future edits')
- end
- function test_click_on_wrapping_line_takes_margins_into_account()
- -- display two screen lines with cursor on one of them
- App.screen.init{width=100, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.left = 50 -- occupy only right side of screen
- Editor_state.lines = load_array{'abc def ghi jkl mno pqr stu'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=20}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- -- click on the other line
- edit.draw(Editor_state)
- edit.run_after_mouse_click(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- -- cursor moves
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, 'cursor:pos')
- check_nil(Editor_state.selection1.line, 'selection is empty to avoid perturbing future edits')
- end
- function test_draw_text_wrapping_within_word()
- -- arrange a screen line that needs to be split within a word
- App.screen.init{width=60, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abcd e fghijk', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abcd ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'e fgh', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ijk', 'screen:3')
- end
- function test_draw_wrapping_text_containing_non_ascii()
- -- draw a long line containing non-ASCII
- App.screen.init{width=60, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'madam I’m adam', 'xyz'} -- notice the non-ASCII apostrophe
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'mad', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'am I', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, '’m a', 'screen:3')
- end
- function test_click_past_end_of_screen_line()
- -- display a wrapping line
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- -- 12345678901234
- Editor_state.lines = load_array{"madam I'm adam"}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'madam ', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, "I'm ad", 'baseline/screen:2')
- y = y + Editor_state.line_height
- -- click past end of second screen line
- edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
- -- cursor moves to end of screen line (one more than final character shown)
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 13, 'cursor:pos')
- end
- function test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen()
- -- display a wrapping line from its second screen line
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- -- 12345678901234
- Editor_state.lines = load_array{"madam I'm adam"}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=8}
- Editor_state.screen_top1 = {line=1, pos=7}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, "I'm ad", 'baseline/screen:2')
- y = y + Editor_state.line_height
- -- click past end of second screen line
- edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
- -- cursor moves to end of screen line (one more than final character shown)
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 13, 'cursor:pos')
- end
- function test_click_past_end_of_wrapping_line()
- -- display a wrapping line
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- -- 12345678901234
- Editor_state.lines = load_array{"madam I'm adam"}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'madam ', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, "I'm ad", 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'am', 'baseline/screen:3')
- y = y + Editor_state.line_height
- -- click past the end of it
- edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
- -- cursor moves to end of line
- check_eq(Editor_state.cursor1.pos, 15, 'cursor') -- one more than the number of UTF-8 code-points
- end
- function test_click_past_end_of_wrapping_line_containing_non_ascii()
- -- display a wrapping line containing non-ASCII
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- -- 12345678901234
- Editor_state.lines = load_array{'madam I’m adam'} -- notice the non-ASCII apostrophe
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'madam ', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'I’m ad', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'am', 'baseline/screen:3')
- y = y + Editor_state.line_height
- -- click past the end of it
- edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
- -- cursor moves to end of line
- check_eq(Editor_state.cursor1.pos, 15, 'cursor') -- one more than the number of UTF-8 code-points
- end
- function test_click_past_end_of_word_wrapping_line()
- -- display a long line wrapping at a word boundary on a screen of more realistic length
- App.screen.init{width=160, height=80}
- Editor_state = edit.initialize_test_state()
- -- 0 1 2
- -- 123456789012345678901
- Editor_state.lines = load_array{'the quick brown fox jumped over the lazy dog'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'the quick brown fox ', 'baseline/screen:1')
- y = y + Editor_state.line_height
- -- click past the end of the screen line
- edit.run_after_mouse_click(Editor_state, App.screen.width-2,y-2, 1)
- -- cursor moves to end of screen line (one more than final character shown)
- check_eq(Editor_state.cursor1.pos, 21, 'cursor')
- end
- function test_select_text()
- -- display a line of text
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- select a letter
- App.fake_key_press('lshift')
- edit.run_after_keychord(Editor_state, 'S-right', 'right')
- App.fake_key_release('lshift')
- edit.key_release(Editor_state, 'lshift')
- -- selection persists even after shift is released
- check_eq(Editor_state.selection1.line, 1, 'selection:line')
- check_eq(Editor_state.selection1.pos, 1, 'selection:pos')
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, 'cursor:pos')
- end
- function test_cursor_movement_without_shift_resets_selection()
- -- display a line of text with some part selected
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.selection1 = {line=1, pos=2}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- press an arrow key without shift
- edit.run_after_keychord(Editor_state, 'right', 'right')
- -- no change to data, selection is reset
- check_nil(Editor_state.selection1.line, 'check')
- check_eq(Editor_state.lines[1].data, 'abc', 'data')
- end
- function test_copy_does_not_reset_selection()
- -- display a line of text with a selection
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.selection1 = {line=1, pos=2}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- copy selection
- edit.run_after_keychord(Editor_state, 'C-c', 'c')
- check_eq(App.clipboard, 'a', 'clipboard')
- -- selection is reset since shift key is not pressed
- check(Editor_state.selection1.line, 'check')
- end
- function test_move_cursor_using_mouse()
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
- edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, 'cursor:pos')
- check_nil(Editor_state.selection1.line, 'selection:line')
- check_nil(Editor_state.selection1.pos, 'selection:pos')
- end
- function test_select_text_using_mouse()
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
- -- press and hold on first location
- edit.run_after_mouse_press(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- -- drag and release somewhere else
- edit.run_after_mouse_release(Editor_state, Editor_state.left+20,Editor_state.top+Editor_state.line_height+5, 1)
- check_eq(Editor_state.selection1.line, 1, 'selection:line')
- check_eq(Editor_state.selection1.pos, 2, 'selection:pos')
- check_eq(Editor_state.cursor1.line, 2, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 4, 'cursor:pos')
- end
- function test_select_text_using_mouse_starting_above_text()
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
- -- press mouse above first line of text
- edit.run_after_mouse_press(Editor_state, Editor_state.left+8,5, 1)
- check(Editor_state.selection1.line ~= nil, 'selection:line-not-nil')
- check_eq(Editor_state.selection1.line, 1, 'selection:line')
- check_eq(Editor_state.selection1.pos, 1, 'selection:pos')
- end
- function test_select_text_using_mouse_starting_above_text_wrapping_line()
- -- first screen line starts in the middle of a line
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'defgh', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=5}
- Editor_state.screen_top1 = {line=2, pos=3}
- Editor_state.screen_bottom1 = {}
- -- press mouse above first line of text
- edit.draw(Editor_state)
- edit.run_after_mouse_press(Editor_state, Editor_state.left+8,5, 1)
- -- selection is at screen top
- check(Editor_state.selection1.line ~= nil, 'selection:line-not-nil')
- check_eq(Editor_state.selection1.line, 2, 'selection:line')
- check_eq(Editor_state.selection1.pos, 3, 'selection:pos')
- end
- function test_select_text_using_mouse_starting_below_text()
- -- I'd like to test what happens when a mouse click is below some page of
- -- text, potentially even in the middle of a line.
- -- However, it's brittle to set up a text line boundary just right.
- -- So I'm going to just check things below the bottom of the final line of
- -- text when it's in the middle of the screen.
- -- final screen line ends in the middle of screen
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abcde'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'ab', 'baseline:screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'cde', 'baseline:screen:2')
- -- press mouse above first line of text
- edit.run_after_mouse_press(Editor_state, 5,App.screen.height-5, 1)
- -- selection is past bottom-most text in screen
- check(Editor_state.selection1.line ~= nil, 'selection:line-not-nil')
- check_eq(Editor_state.selection1.line, 1, 'selection:line')
- check_eq(Editor_state.selection1.pos, 6, 'selection:pos')
- end
- function test_select_text_using_mouse_and_shift()
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'xyz'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
- -- click on first location
- edit.run_after_mouse_press(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- -- hold down shift and click somewhere else
- App.fake_key_press('lshift')
- edit.run_after_mouse_press(Editor_state, Editor_state.left+20,Editor_state.top+5, 1)
- edit.run_after_mouse_release(Editor_state, Editor_state.left+20,Editor_state.top+Editor_state.line_height+5, 1)
- App.fake_key_release('lshift')
- check_eq(Editor_state.selection1.line, 1, 'selection:line')
- check_eq(Editor_state.selection1.pos, 2, 'selection:pos')
- check_eq(Editor_state.cursor1.line, 2, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 4, 'cursor:pos')
- end
- function test_select_text_repeatedly_using_mouse_and_shift()
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'xyz'}
- Text.redraw_all(Editor_state)
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- Editor_state.selection1 = {}
- edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
- -- click on first location
- edit.run_after_mouse_press(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
- -- hold down shift and click on a second location
- App.fake_key_press('lshift')
- edit.run_after_mouse_press(Editor_state, Editor_state.left+20,Editor_state.top+5, 1)
- edit.run_after_mouse_release(Editor_state, Editor_state.left+20,Editor_state.top+Editor_state.line_height+5, 1)
- -- hold down shift and click at a third location
- App.fake_key_press('lshift')
- edit.run_after_mouse_press(Editor_state, Editor_state.left+20,Editor_state.top+5, 1)
- edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+Editor_state.line_height+5, 1)
- App.fake_key_release('lshift')
- -- selection is between first and third location. forget the second location, not the first.
- check_eq(Editor_state.selection1.line, 1, 'selection:line')
- check_eq(Editor_state.selection1.pos, 2, 'selection:pos')
- check_eq(Editor_state.cursor1.line, 2, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, 'cursor:pos')
- end
- function test_select_all_text()
- -- display a single line of text
- App.screen.init{width=75, height=80}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- select all
- App.fake_key_press('lctrl')
- edit.run_after_keychord(Editor_state, 'C-a', 'a')
- App.fake_key_release('lctrl')
- edit.key_release(Editor_state, 'lctrl')
- -- selection
- check_eq(Editor_state.selection1.line, 1, 'selection:line')
- check_eq(Editor_state.selection1.pos, 1, 'selection:pos')
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 8, 'cursor:pos')
- end
- function test_pagedown()
- App.screen.init{width=120, height=45}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- -- initially the first two lines are displayed
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- -- after pagedown the bottom line becomes the top
- edit.run_after_keychord(Editor_state, 'pagedown', 'pagedown')
- check_eq(Editor_state.screen_top1.line, 2, 'screen_top')
- check_eq(Editor_state.cursor1.line, 2, 'cursor')
- y = Editor_state.top
- App.screen.check(y, 'def', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:2')
- end
- function test_pagedown_often_shows_start_of_wrapping_line()
- -- draw a few lines ending in part of a wrapping line
- App.screen.init{width=50, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def ', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'baseline/screen:3')
- -- after pagedown we start drawing from the bottom _line_ (multiple screen lines)
- edit.run_after_keychord(Editor_state, 'pagedown', 'pagedown')
- check_eq(Editor_state.screen_top1.line, 2, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 1, 'screen_top:pos')
- check_eq(Editor_state.cursor1.line, 2, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'def ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:3')
- end
- function test_pagedown_can_start_from_middle_of_long_wrapping_line()
- -- draw a few lines starting from a very long wrapping line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def ghi jkl mno pqr stu vwx yza bcd efg hij', 'XYZ'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=2}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc ', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def ', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'baseline/screen:3')
- -- after pagedown we scroll down the very long wrapping line
- edit.run_after_keychord(Editor_state, 'pagedown', 'pagedown')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 9, 'screen_top:pos')
- y = Editor_state.top
- App.screen.check(y, 'ghi ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl ', 'screen:2')
- y = y + Editor_state.line_height
- if Version == '12.0' then
- -- HACK: Maybe v12.0 uses a different font? Strange that it only causes
- -- issues in a couple of places.
- -- We'll need to rethink our tests if issues like this start to multiply.
- App.screen.check(y, 'mno ', 'screen:3')
- else
- App.screen.check(y, 'mn', 'screen:3')
- end
- end
- function test_pagedown_never_moves_up()
- -- draw the final screen line of a wrapping line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def ghi'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=9}
- Editor_state.screen_top1 = {line=1, pos=9}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- pagedown makes no change
- edit.run_after_keychord(Editor_state, 'pagedown', 'pagedown')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 9, 'screen_top:pos')
- end
- function test_down_arrow_moves_cursor()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- -- initially the first three lines are displayed
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'baseline/screen:3')
- -- after hitting the down arrow, the cursor moves down by 1 line
- edit.run_after_keychord(Editor_state, 'down', 'down')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top')
- check_eq(Editor_state.cursor1.line, 2, 'cursor')
- -- the screen is unchanged
- y = Editor_state.top
- App.screen.check(y, 'abc', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:3')
- end
- function test_down_arrow_scrolls_down_by_one_line()
- -- display the first three lines with the cursor on the bottom line
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=3, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'baseline/screen:3')
- -- after hitting the down arrow the screen scrolls down by one line
- edit.run_after_keychord(Editor_state, 'down', 'down')
- check_eq(Editor_state.screen_top1.line, 2, 'screen_top')
- check_eq(Editor_state.cursor1.line, 4, 'cursor')
- y = Editor_state.top
- App.screen.check(y, 'def', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:3')
- end
- function test_down_arrow_scrolls_down_by_one_screen_line()
- -- display the first three lines with the cursor on the bottom line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=3, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'baseline/screen:3') -- line wrapping includes trailing whitespace
- -- after hitting the down arrow the screen scrolls down by one line
- edit.run_after_keychord(Editor_state, 'down', 'down')
- check_eq(Editor_state.screen_top1.line, 2, 'screen_top')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 5, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'def', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:3')
- end
- function test_down_arrow_scrolls_down_by_one_screen_line_after_splitting_within_word()
- -- display the first three lines with the cursor on the bottom line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghijkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=3, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghij', 'baseline/screen:3')
- -- after hitting the down arrow the screen scrolls down by one line
- edit.run_after_keychord(Editor_state, 'down', 'down')
- check_eq(Editor_state.screen_top1.line, 2, 'screen_top')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 5, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'def', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghij', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'kl', 'screen:3')
- end
- function test_pagedown_followed_by_down_arrow_does_not_scroll_screen_up()
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghijkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=3, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghij', 'baseline/screen:3')
- -- after hitting pagedown the screen scrolls down to start of a long line
- edit.run_after_keychord(Editor_state, 'pagedown', 'pagedown')
- check_eq(Editor_state.screen_top1.line, 3, 'baseline2/screen_top')
- check_eq(Editor_state.cursor1.line, 3, 'baseline2/cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'baseline2/cursor:pos')
- -- after hitting down arrow the screen doesn't scroll down further, and certainly doesn't scroll up
- edit.run_after_keychord(Editor_state, 'down', 'down')
- check_eq(Editor_state.screen_top1.line, 3, 'screen_top')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 5, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'ghij', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'kl', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'screen:3')
- end
- function test_up_arrow_moves_cursor()
- -- display the first 3 lines with the cursor on the bottom line
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=3, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'baseline/screen:3')
- -- after hitting the up arrow the cursor moves up by 1 line
- edit.run_after_keychord(Editor_state, 'up', 'up')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top')
- check_eq(Editor_state.cursor1.line, 2, 'cursor')
- -- the screen is unchanged
- y = Editor_state.top
- App.screen.check(y, 'abc', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:3')
- end
- function test_up_arrow_scrolls_up_by_one_line()
- -- display the lines 2/3/4 with the cursor on line 2
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi', 'jkl'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=2, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'def', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'baseline/screen:3')
- -- after hitting the up arrow the screen scrolls up by one line
- edit.run_after_keychord(Editor_state, 'up', 'up')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top')
- check_eq(Editor_state.cursor1.line, 1, 'cursor')
- y = Editor_state.top
- App.screen.check(y, 'abc', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:3')
- end
- function test_up_arrow_scrolls_up_by_one_screen_line()
- -- display lines starting from second screen line of a line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=3, pos=6}
- Editor_state.screen_top1 = {line=3, pos=5}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'jkl', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'baseline/screen:2')
- -- after hitting the up arrow the screen scrolls up to first screen line
- edit.run_after_keychord(Editor_state, 'up', 'up')
- y = Editor_state.top
- App.screen.check(y, 'ghi ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'screen:3')
- check_eq(Editor_state.screen_top1.line, 3, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 1, 'screen_top:pos')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'cursor:pos')
- end
- function test_up_arrow_scrolls_up_to_final_screen_line()
- -- display lines starting just after a long line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def', 'ghi', 'jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=2, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'ghi', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'baseline/screen:3')
- -- after hitting the up arrow the screen scrolls up to final screen line of previous line
- edit.run_after_keychord(Editor_state, 'up', 'up')
- y = Editor_state.top
- App.screen.check(y, 'def', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:3')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 5, 'screen_top:pos')
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 5, 'cursor:pos')
- end
- function test_up_arrow_scrolls_up_to_empty_line()
- -- display a screenful of text with an empty line just above it outside the screen
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'', 'abc', 'def', 'ghi', 'jkl'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=2, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'baseline/screen:3')
- -- after hitting the up arrow the screen scrolls up by one line
- edit.run_after_keychord(Editor_state, 'up', 'up')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top')
- check_eq(Editor_state.cursor1.line, 1, 'cursor')
- y = Editor_state.top
- -- empty first line
- y = y + Editor_state.line_height
- App.screen.check(y, 'abc', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:3')
- end
- function test_pageup()
- App.screen.init{width=120, height=45}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=2, pos=1}
- Editor_state.screen_bottom1 = {}
- -- initially the last two lines are displayed
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'def', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'baseline/screen:2')
- -- after pageup the cursor goes to first line
- edit.run_after_keychord(Editor_state, 'pageup', 'pageup')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top')
- check_eq(Editor_state.cursor1.line, 1, 'cursor')
- y = Editor_state.top
- App.screen.check(y, 'abc', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:2')
- end
- function test_pageup_scrolls_up_by_screen_line()
- -- display the first three lines with the cursor on the bottom line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def', 'ghi', 'jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=2, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'ghi', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'baseline/screen:3') -- line wrapping includes trailing whitespace
- -- after hitting the page-up key the screen scrolls up to top
- edit.run_after_keychord(Editor_state, 'pageup', 'pageup')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top')
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'abc ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi', 'screen:3')
- end
- function test_pageup_scrolls_up_from_middle_screen_line()
- -- display a few lines starting from the middle of a line (Editor_state.cursor1.pos > 1)
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc def', 'ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=5}
- Editor_state.screen_top1 = {line=2, pos=5}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'jkl', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'baseline/screen:3') -- line wrapping includes trailing whitespace
- -- after hitting the page-up key the screen scrolls up to top
- edit.run_after_keychord(Editor_state, 'pageup', 'pageup')
- check_eq(Editor_state.screen_top1.line, 1, 'screen_top')
- check_eq(Editor_state.cursor1.line, 1, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'abc ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'screen:3')
- end
- function test_left_arrow_scrolls_up_in_wrapped_line()
- -- display lines starting from second screen line of a line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.screen_top1 = {line=3, pos=5}
- Editor_state.screen_bottom1 = {}
- -- cursor is at top of screen
- Editor_state.cursor1 = {line=3, pos=5}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'jkl', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'baseline/screen:2')
- -- after hitting the left arrow the screen scrolls up to first screen line
- edit.run_after_keychord(Editor_state, 'left', 'left')
- y = Editor_state.top
- App.screen.check(y, 'ghi ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'screen:3')
- check_eq(Editor_state.screen_top1.line, 3, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 1, 'screen_top:pos')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 4, 'cursor:pos')
- end
- function test_right_arrow_scrolls_down_in_wrapped_line()
- -- display the first three lines with the cursor on the bottom line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- -- cursor is at bottom right of screen
- Editor_state.cursor1 = {line=3, pos=5}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'baseline/screen:3') -- line wrapping includes trailing whitespace
- -- after hitting the right arrow the screen scrolls down by one line
- edit.run_after_keychord(Editor_state, 'right', 'right')
- check_eq(Editor_state.screen_top1.line, 2, 'screen_top')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 6, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'def', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:3')
- end
- function test_home_scrolls_up_in_wrapped_line()
- -- display lines starting from second screen line of a line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.screen_top1 = {line=3, pos=5}
- Editor_state.screen_bottom1 = {}
- -- cursor is at top of screen
- Editor_state.cursor1 = {line=3, pos=5}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'jkl', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'baseline/screen:2')
- -- after hitting home the screen scrolls up to first screen line
- edit.run_after_keychord(Editor_state, 'home', 'home')
- y = Editor_state.top
- App.screen.check(y, 'ghi ', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'mno', 'screen:3')
- check_eq(Editor_state.screen_top1.line, 3, 'screen_top:line')
- check_eq(Editor_state.screen_top1.pos, 1, 'screen_top:pos')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, 'cursor:pos')
- end
- function test_end_scrolls_down_in_wrapped_line()
- -- display the first three lines with the cursor on the bottom line
- App.screen.init{width=Editor_state.left+30, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi jkl', 'mno'}
- Text.redraw_all(Editor_state)
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- -- cursor is at bottom right of screen
- Editor_state.cursor1 = {line=3, pos=5}
- edit.draw(Editor_state)
- local y = Editor_state.top
- App.screen.check(y, 'abc', 'baseline/screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'def', 'baseline/screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'baseline/screen:3') -- line wrapping includes trailing whitespace
- -- after hitting end the screen scrolls down by one line
- edit.run_after_keychord(Editor_state, 'end', 'end')
- check_eq(Editor_state.screen_top1.line, 2, 'screen_top')
- check_eq(Editor_state.cursor1.line, 3, 'cursor:line')
- check_eq(Editor_state.cursor1.pos, 8, 'cursor:pos')
- y = Editor_state.top
- App.screen.check(y, 'def', 'screen:1')
- y = y + Editor_state.line_height
- App.screen.check(y, 'ghi ', 'screen:2')
- y = y + Editor_state.line_height
- App.screen.check(y, 'jkl', 'screen:3')
- end
- function test_search()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc', 'def', 'ghi', '’deg'} -- contains unicode quote in final line
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- search for a string
- edit.run_after_keychord(Editor_state, 'C-f', 'f')
- edit.run_after_text_input(Editor_state, 'd')
- edit.run_after_keychord(Editor_state, 'return', 'return')
- check_eq(Editor_state.cursor1.line, 2, '1/cursor:line')
- check_eq(Editor_state.cursor1.pos, 1, '1/cursor:pos')
- -- reset cursor
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- -- search for second occurrence
- edit.run_after_keychord(Editor_state, 'C-f', 'f')
- edit.run_after_text_input(Editor_state, 'de')
- edit.run_after_keychord(Editor_state, 'down', 'down')
- edit.run_after_keychord(Editor_state, 'return', 'return')
- check_eq(Editor_state.cursor1.line, 4, '2/cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, '2/cursor:pos')
- end
- function test_search_upwards()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'’abc', 'abd'} -- contains unicode quote
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- search for a string
- edit.run_after_keychord(Editor_state, 'C-f', 'f')
- edit.run_after_text_input(Editor_state, 'a')
- -- search for previous occurrence
- edit.run_after_keychord(Editor_state, 'up', 'up')
- check_eq(Editor_state.cursor1.line, 1, '2/cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, '2/cursor:pos')
- end
- function test_search_wrap()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'’abc', 'def'} -- contains unicode quote in first line
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=2, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- search for a string
- edit.run_after_keychord(Editor_state, 'C-f', 'f')
- edit.run_after_text_input(Editor_state, 'a')
- edit.run_after_keychord(Editor_state, 'return', 'return')
- -- cursor wraps
- check_eq(Editor_state.cursor1.line, 1, '1/cursor:line')
- check_eq(Editor_state.cursor1.pos, 2, '1/cursor:pos')
- end
- function test_search_wrap_upwards()
- App.screen.init{width=120, height=60}
- Editor_state = edit.initialize_test_state()
- Editor_state.lines = load_array{'abc ’abd'} -- contains unicode quote
- Text.redraw_all(Editor_state)
- Editor_state.cursor1 = {line=1, pos=1}
- Editor_state.screen_top1 = {line=1, pos=1}
- Editor_state.screen_bottom1 = {}
- edit.draw(Editor_state)
- -- search upwards for a string
- edit.run_after_keychord(Editor_state, 'C-f', 'f')
- edit.run_after_text_input(Editor_state, 'a')
- edit.run_after_keychord(Editor_state, 'up', 'up')
- -- cursor wraps
- check_eq(Editor_state.cursor1.line, 1, '1/cursor:line')
- check_eq(Editor_state.cursor1.pos, 6, '1/cursor:pos')
- end
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