function test_undo_restores_selection()
io.write('\ntest_undo_restores_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)
-- delete selected text
edit.run_after_textinput(Editor_state, 'x')
check_eq(Editor_state.lines[1].data, 'xbc', 'F - test_undo_restores_selection/baseline')
check_nil(Editor_state.selection1.line, 'F - test_undo_restores_selection/baseline:selection')
-- undo
edit.run_after_keychord(Editor_state, 'C-z')
edit.run_after_keychord(Editor_state, 'C-z')
-- selection is restored
check_eq(Editor_state.selection1.line, 1, 'F - test_undo_restores_selection/line')
check_eq(Editor_state.selection1.pos, 2, 'F - test_undo_restores_selection/pos')
end
function test_search()
io.write('\ntest_search')
App.screen.init{width=120, height=60}
Editor_state = edit.initialize_test_state()
check_nil(Editor_state.selection1.line, 'F - test_undo_delete_text/selection:line')
check_nil(Editor_state.selection1.pos, 'F - test_undo_delete_text/selection:pos')
--? check_eq(Editor_state.selection1.line, 2, 'F - test_undo_delete_text/selection:line')
--? check_eq(Editor_state.selection1.pos, 4, 'F - test_undo_delete_text/selection:pos')
y = Editor_state.top
App.screen.check(y, 'abc', 'F - test_undo_delete_text/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'defg', 'F - test_undo_delete_text/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'xyz', 'F - test_undo_delete_text/screen:3')
end
check_nil(Editor_state.selection1.line, 'F - test_undo_delete_text/baseline/selection:line')
check_nil(Editor_state.selection1.pos, 'F - test_undo_delete_text/baseline/selection:pos')
local y = Editor_state.top
App.screen.check(y, 'abc', 'F - test_undo_delete_text/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_undo_delete_text/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'xyz', 'F - test_undo_delete_text/baseline/screen:3')
-- undo
--? -- after undo, the backspaced key is selected
edit.run_after_keychord(Editor_state, 'C-z')
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_delete_text/cursor:line')
check_eq(Editor_state.cursor1.pos, 5, 'F - test_undo_delete_text/cursor:pos')
check_nil(Editor_state.selection1.line, 'F - test_undo_insert_text/selection:line')
check_nil(Editor_state.selection1.pos, 'F - test_undo_insert_text/selection:pos')
y = Editor_state.top
App.screen.check(y, 'abc', 'F - test_undo_insert_text/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_undo_insert_text/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'xyz', 'F - test_undo_insert_text/screen:3')
end
function test_undo_delete_text()
io.write('\ntest_undo_delete_text')
App.screen.init{width=120, height=60}
Editor_state = edit.initialize_test_state()
Editor_state.lines = load_array{'abc', 'defg', 'xyz'}
Text.redraw_all(Editor_state)
Editor_state.cursor1 = {line=2, pos=5}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
-- delete a character
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_delete_text/baseline/cursor:line')
check_eq(Editor_state.cursor1.pos, 4, 'F - test_undo_delete_text/baseline/cursor:pos')
check_nil(Editor_state.selection1.line, 'F - test_undo_insert_text/baseline/selection:line')
check_nil(Editor_state.selection1.pos, 'F - test_undo_insert_text/baseline/selection:pos')
local y = Editor_state.top
App.screen.check(y, 'abc', 'F - test_undo_insert_text/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'defg', 'F - test_undo_insert_text/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'xyz', 'F - test_undo_insert_text/baseline/screen:3')
-- undo
edit.run_after_keychord(Editor_state, 'C-z')
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_insert_text/cursor:line')
check_eq(Editor_state.cursor1.pos, 4, 'F - test_undo_insert_text/cursor:pos')
-- some tests for operating over selections created using Shift- chords
-- we're just testing delete_selection, and it works the same for all keys
function test_backspace_over_selection()
io.write('\ntest_backspace_over_selection')
-- select just one character within a line with cursor before selection
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=1, pos=1}
Editor_state.selection1 = {line=1, pos=2}
-- backspace deletes the selected character, even though it's after the cursor
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.lines[1].data, 'bc', "F - test_backspace_over_selection/data")
-- cursor (remains) at start of selection
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_over_selection/cursor:line")
check_eq(Editor_state.cursor1.pos, 1, "F - test_backspace_over_selection/cursor:pos")
-- selection is cleared
check_nil(Editor_state.selection1.line, "F - test_backspace_over_selection/selection")
end
function test_backspace_over_selection_reverse()
io.write('\ntest_backspace_over_selection_reverse')
-- select just one character within a line with cursor after selection
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=1, pos=2}
Editor_state.selection1 = {line=1, pos=1}
-- backspace deletes the selected character
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.lines[1].data, 'bc', "F - test_backspace_over_selection_reverse/data")
-- cursor moves to start of selection
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_over_selection_reverse/cursor:line")
check_eq(Editor_state.cursor1.pos, 1, "F - test_backspace_over_selection_reverse/cursor:pos")
-- selection is cleared
check_nil(Editor_state.selection1.line, "F - test_backspace_over_selection_reverse/selection")
end
function test_backspace_over_multiple_lines()
io.write('\ntest_backspace_over_multiple_lines')
-- select just one character within a line with cursor after selection
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=1, pos=2}
Editor_state.selection1 = {line=4, pos=2}
-- backspace deletes the region and joins the remaining portions of lines on either side
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.lines[1].data, 'akl', "F - test_backspace_over_multiple_lines/data:1")
check_eq(Editor_state.lines[2].data, 'mno', "F - test_backspace_over_multiple_lines/data:2")
-- cursor remains at start of selection
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_over_multiple_lines/cursor:line")
check_eq(Editor_state.cursor1.pos, 2, "F - test_backspace_over_multiple_lines/cursor:pos")
-- selection is cleared
check_nil(Editor_state.selection1.line, "F - test_backspace_over_multiple_lines/selection")
end
function test_backspace_to_end_of_line()
io.write('\ntest_backspace_to_end_of_line')
-- select region from cursor to end of 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=1, pos=2}
Editor_state.selection1 = {line=1, pos=4}
-- backspace deletes rest of line without joining to any other line
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.lines[1].data, 'a', "F - test_backspace_to_start_of_line/data:1")
check_eq(Editor_state.lines[2].data, 'def', "F - test_backspace_to_start_of_line/data:2")
-- cursor remains at start of selection
check_eq(Editor_state.cursor1.line, 1, "F - test_backspace_to_start_of_line/cursor:line")
check_eq(Editor_state.cursor1.pos, 2, "F - test_backspace_to_start_of_line/cursor:pos")
-- selection is cleared
check_nil(Editor_state.selection1.line, "F - test_backspace_to_start_of_line/selection")
end
function test_backspace_to_start_of_line()
io.write('\ntest_backspace_to_start_of_line')
-- select region from cursor to start of 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.selection1 = {line=2, pos=3}
-- backspace deletes beginning of line without joining to any other line
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.lines[1].data, 'abc', "F - test_backspace_to_start_of_line/data:1")
check_eq(Editor_state.lines[2].data, 'f', "F - test_backspace_to_start_of_line/data:2")
-- cursor remains at start of selection
check_eq(Editor_state.cursor1.line, 2, "F - test_backspace_to_start_of_line/cursor:line")
check_eq(Editor_state.cursor1.pos, 1, "F - test_backspace_to_start_of_line/cursor:pos")
-- selection is cleared
check_nil(Editor_state.selection1.line, "F - test_backspace_to_start_of_line/selection")
end
function test_undo_insert_text()
io.write('\ntest_undo_insert_text')
App.screen.init{width=120, 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=2, pos=4}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
-- insert a character
edit.draw(Editor_state)
edit.run_after_textinput(Editor_state, 'g')
check_eq(Editor_state.cursor1.line, 2, 'F - test_undo_insert_text/baseline/cursor:line')
check_eq(Editor_state.cursor1.pos, 5, 'F - test_undo_insert_text/baseline/cursor:pos')
edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+Editor_state.line_height*2+5, 1)
-- cursor should move
check_eq(Editor_state.cursor1.line, 1, 'F - test_position_cursor_on_recently_edited_wrapping_line/cursor:line')
check_eq(Editor_state.cursor1.pos, 26, 'F - test_position_cursor_on_recently_edited_wrapping_line/cursor:pos')
end
function test_backspace_can_scroll_up()
io.write('\ntest_backspace_can_scroll_up')
-- 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', 'F - test_backspace_can_scroll_up/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_backspace_can_scroll_up/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'jkl', 'F - test_backspace_can_scroll_up/baseline/screen:3')
-- after hitting backspace the screen scrolls up by one line
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.screen_top1.line, 1, 'F - test_backspace_can_scroll_up/screen_top')
check_eq(Editor_state.cursor1.line, 1, 'F - test_backspace_can_scroll_up/cursor')
y = Editor_state.top
App.screen.check(y, 'abcdef', 'F - test_backspace_can_scroll_up/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_backspace_can_scroll_up/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'jkl', 'F - test_backspace_can_scroll_up/screen:3')
end
function test_backspace_can_scroll_up_screen_line()
io.write('\ntest_backspace_can_scroll_up_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=5}
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', 'F - test_backspace_can_scroll_up_screen_line/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'mno', 'F - test_backspace_can_scroll_up_screen_line/baseline/screen:2')
-- after hitting backspace the screen scrolls up by one screen line
edit.run_after_keychord(Editor_state, 'backspace')
y = Editor_state.top
App.screen.check(y, 'ghij', 'F - test_backspace_can_scroll_up_screen_line/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'kl', 'F - test_backspace_can_scroll_up_screen_line/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'mno', 'F - test_backspace_can_scroll_up_screen_line/screen:3')
check_eq(Editor_state.screen_top1.line, 3, 'F - test_backspace_can_scroll_up_screen_line/screen_top')
check_eq(Editor_state.screen_top1.pos, 1, 'F - test_backspace_can_scroll_up_screen_line/screen_top')
check_eq(Editor_state.cursor1.line, 3, 'F - test_backspace_can_scroll_up_screen_line/cursor:line')
check_eq(Editor_state.cursor1.pos, 4, 'F - test_backspace_can_scroll_up_screen_line/cursor:pos')
end
function test_backspace_past_line_boundary()
io.write('\ntest_backspace_past_line_boundary')
-- position cursor at start of a (non-first) line
App.screen.init{width=Editor_state.left+30, 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}
-- backspace joins with previous line
edit.run_after_keychord(Editor_state, 'backspace')
check_eq(Editor_state.lines[1].data, 'abcdef', "F - test_backspace_past_line_boundary")
end
function test_cut_without_selection()
io.write('\ntest_cut_without_selection')
-- display a few lines
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'}
Text.redraw_all(Editor_state)
Editor_state.cursor1 = {line=1, pos=2}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
Editor_state.selection1 = {}
edit.draw(Editor_state)
-- try to cut without selecting text
edit.run_after_keychord(Editor_state, 'C-x')
-- no crash
check_nil(Editor_state.selection1.line, 'F - test_cut_without_selection')
end
function test_pagedown()
io.write('\ntest_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', 'F - test_pagedown/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_pagedown/baseline/screen:2')
-- after pagedown the bottom line becomes the top
edit.run_after_keychord(Editor_state, 'pagedown')
check_eq(Editor_state.screen_top1.line, 2, 'F - test_pagedown/screen_top')
check_eq(Editor_state.cursor1.line, 2, 'F - test_pagedown/cursor')
y = Editor_state.top
App.screen.check(y, 'def', 'F - test_pagedown/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_pagedown/screen:2')
check_nil(Editor_state.selection1.line, 'F - test_move_cursor_using_mouse/selection:line')
check_nil(Editor_state.selection1.pos, 'F - test_move_cursor_using_mouse/selection:pos')
end
function test_select_text_using_mouse()
io.write('\ntest_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, 'F - test_select_text_using_mouse/selection:line')
check_eq(Editor_state.selection1.pos, 2, 'F - test_select_text_using_mouse/selection:pos')
check_eq(Editor_state.cursor1.line, 2, 'F - test_select_text_using_mouse/cursor:line')
check_eq(Editor_state.cursor1.pos, 4, 'F - test_select_text_using_mouse/cursor:pos')
end
function test_select_text_using_mouse_and_shift()
io.write('\ntest_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, 'F - test_select_text_using_mouse_and_shift/selection:line')
check_eq(Editor_state.selection1.pos, 2, 'F - test_select_text_using_mouse_and_shift/selection:pos')
check_eq(Editor_state.cursor1.line, 2, 'F - test_select_text_using_mouse_and_shift/cursor:line')
check_eq(Editor_state.cursor1.pos, 4, 'F - test_select_text_using_mouse_and_shift/cursor:pos')
end
function test_select_text_repeatedly_using_mouse_and_shift()
io.write('\ntest_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, 'F - test_select_text_repeatedly_using_mouse_and_shift/selection:line')
check_eq(Editor_state.selection1.pos, 2, 'F - test_select_text_repeatedly_using_mouse_and_shift/selection:pos')
check_eq(Editor_state.cursor1.line, 2, 'F - test_select_text_repeatedly_using_mouse_and_shift/cursor:line')
check_eq(Editor_state.cursor1.pos, 2, 'F - test_select_text_repeatedly_using_mouse_and_shift/cursor:pos')
end
edit.run_after_mouse_release(Editor_state, Editor_state.left+8,Editor_state.top+5, 1)
check_eq(Editor_state.cursor1.line, 1, 'F - test_move_cursor_using_mouse/cursor:line')
check_eq(Editor_state.cursor1.pos, 2, 'F - test_move_cursor_using_mouse/cursor:pos')
Editor_state.selection1 = {}
edit.draw(Editor_state) -- populate line_cache.starty for each line Editor_state.line_cache
function test_edit_deletes_selection()
io.write('\ntest_edit_deletes_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 a key
edit.run_after_textinput(Editor_state, 'x')
-- selected text is deleted and replaced with the key
check_eq(Editor_state.lines[1].data, 'xbc', 'F - test_edit_deletes_selection')
end
function test_edit_with_shift_key_deletes_selection()
io.write('\ntest_edit_with_shift_key_deletes_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)
-- mimic precise keypresses for a capital letter
App.fake_key_press('lshift')
edit.keychord_pressed(Editor_state, 'd', 'd')
edit.textinput(Editor_state, 'D')
edit.key_released(Editor_state, 'd')
App.fake_key_release('lshift')
-- selected text is deleted and replaced with the key
check_nil(Editor_state.selection1.line, 'F - test_edit_with_shift_key_deletes_selection')
check_eq(Editor_state.lines[1].data, 'Dbc', 'F - test_edit_with_shift_key_deletes_selection/data')
end
function test_copy_does_not_reset_selection()
io.write('\ntest_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')
check_eq(App.clipboard, 'a', 'F - test_copy_does_not_reset_selection/clipboard')
-- selection is reset since shift key is not pressed
check(Editor_state.selection1.line, 'F - test_copy_does_not_reset_selection')
end
function test_cut()
io.write('\ntest_cut')
-- 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 a key
edit.run_after_keychord(Editor_state, 'C-x')
check_eq(App.clipboard, 'a', 'F - test_cut/clipboard')
-- selected text is deleted
check_eq(Editor_state.lines[1].data, 'bc', 'F - test_cut/data')
end
function test_paste_replaces_selection()
io.write('\ntest_paste_replaces_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', 'def'}
Text.redraw_all(Editor_state)
Editor_state.cursor1 = {line=2, pos=1}
Editor_state.selection1 = {line=1, pos=1}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
edit.draw(Editor_state)
-- set clipboard
App.clipboard = 'xyz'
-- paste selection
edit.run_after_keychord(Editor_state, 'C-v')
-- selection is reset since shift key is not pressed
-- selection includes the newline, so it's also deleted
check_eq(Editor_state.lines[1].data, 'xyzdef', 'F - test_paste_replaces_selection')
end
function test_deleting_selection_may_scroll()
io.write('\ntest_deleting_selection_may_scroll')
-- display lines 2/3/4
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=2}
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', 'F - test_deleting_selection_may_scroll/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_deleting_selection_may_scroll/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'jkl', 'F - test_deleting_selection_may_scroll/baseline/screen:3')
-- set up a selection starting above the currently displayed page
Editor_state.selection1 = {line=1, pos=2}
-- delete selection
edit.run_after_keychord(Editor_state, 'backspace')
-- page scrolls up
check_eq(Editor_state.screen_top1.line, 1, 'F - test_deleting_selection_may_scroll')
check_eq(Editor_state.lines[1].data, 'ahi', 'F - test_deleting_selection_may_scroll/data')
end
function test_edit_wrapping_text()
io.write('\ntest_edit_wrapping_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=2, pos=4}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
edit.draw(Editor_state)
edit.run_after_textinput(Editor_state, 'g')
local y = Editor_state.top
App.screen.check(y, 'abc', 'F - test_edit_wrapping_text/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'de', 'F - test_edit_wrapping_text/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'fg', 'F - test_edit_wrapping_text/screen:3')
end
function test_insert_newline()
io.write('\ntest_insert_newline')
-- display a few lines
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'}
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', 'F - test_insert_newline/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_insert_newline/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_insert_newline/baseline/screen:3')
-- hitting the enter key splits the line
edit.run_after_keychord(Editor_state, 'return')
check_eq(Editor_state.screen_top1.line, 1, 'F - test_insert_newline/screen_top')
check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_newline/cursor:line')
check_eq(Editor_state.cursor1.pos, 1, 'F - test_insert_newline/cursor:pos')
y = Editor_state.top
App.screen.check(y, 'a', 'F - test_insert_newline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'bc', 'F - test_insert_newline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_insert_newline/screen:3')
end
function test_insert_newline_at_start_of_line()
io.write('\ntest_insert_newline_at_start_of_line')
-- display a line
App.screen.init{width=Editor_state.left+30, 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=1}
Editor_state.screen_top1 = {line=1, pos=1}
Editor_state.screen_bottom1 = {}
-- hitting the enter key splits the line
edit.run_after_keychord(Editor_state, 'return')
check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_newline_at_start_of_line/cursor:line')
check_eq(Editor_state.cursor1.pos, 1, 'F - test_insert_newline_at_start_of_line/cursor:pos')
check_eq(Editor_state.lines[1].data, '', 'F - test_insert_newline_at_start_of_line/data:1')
check_eq(Editor_state.lines[2].data, 'abc', 'F - test_insert_newline_at_start_of_line/data:2')
end
function test_insert_from_clipboard()
io.write('\ntest_insert_from_clipboard')
-- display a few lines
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'}
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', 'F - test_insert_from_clipboard/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_insert_from_clipboard/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_insert_from_clipboard/baseline/screen:3')
-- paste some text including a newline, check that new line is created
App.clipboard = 'xy\nz'
edit.run_after_keychord(Editor_state, 'C-v')
check_eq(Editor_state.screen_top1.line, 1, 'F - test_insert_from_clipboard/screen_top')
check_eq(Editor_state.cursor1.line, 2, 'F - test_insert_from_clipboard/cursor:line')
check_eq(Editor_state.cursor1.pos, 2, 'F - test_insert_from_clipboard/cursor:pos')
y = Editor_state.top
App.screen.check(y, 'axy', 'F - test_insert_from_clipboard/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'zbc', 'F - test_insert_from_clipboard/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_insert_from_clipboard/screen:3')
end
function test_move_cursor_using_mouse()
io.write('\ntest_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 = {}
end
function test_select_text()
io.write('\ntest_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')
App.fake_key_release('lshift')
edit.key_released(Editor_state, 'lshift')
-- selection persists even after shift is released
check_eq(Editor_state.selection1.line, 1, 'F - test_select_text/selection:line')
check_eq(Editor_state.selection1.pos, 1, 'F - test_select_text/selection:pos')
check_eq(Editor_state.cursor1.line, 1, 'F - test_select_text/cursor:line')
check_eq(Editor_state.cursor1.pos, 2, 'F - test_select_text/cursor:pos')
end
function test_cursor_movement_without_shift_resets_selection()
io.write('\ntest_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')
-- no change to data, selection is reset
check_nil(Editor_state.selection1.line, 'F - test_cursor_movement_without_shift_resets_selection')
check_eq(Editor_state.lines[1].data, 'abc', 'F - test_cursor_movement_without_shift_resets_selection/data')
end
check_nil(Editor_state.selection1.line, 'F - test_click_with_mouse_on_wrapping_line_takes_margins_into_account/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
io.write('\ntest_draw_text_wrapping_within_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 ', 'F - test_draw_text_wrapping_within_word/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'e fgh', 'F - test_draw_text_wrapping_within_word/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'ijk', 'F - test_draw_text_wrapping_within_word/screen:3')
end
function test_draw_wrapping_text_containing_non_ascii()
-- draw a long line containing non-ASCII
io.write('\ntest_draw_wrapping_text_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', 'F - test_draw_wrapping_text_containing_non_ascii/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'am I', 'F - test_draw_wrapping_text_containing_non_ascii/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, '’m a', 'F - test_draw_wrapping_text_containing_non_ascii/screen:3')
end
function test_click_on_wrapping_line()
io.write('\ntest_click_on_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 ', 'F - test_click_on_wrapping_line/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, "I'm ad", 'F - test_click_on_wrapping_line/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
check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line/cursor:line')
check_eq(Editor_state.cursor1.pos, 12, 'F - test_click_on_wrapping_line/cursor:pos')
end
function test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen()
io.write('\ntest_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", 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/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
check_eq(Editor_state.cursor1.line, 1, 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/cursor:line')
check_eq(Editor_state.cursor1.pos, 12, 'F - test_click_on_wrapping_line_rendered_from_partway_at_top_of_screen/cursor:pos')
end
function test_click_past_end_of_wrapping_line()
io.write('\ntest_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 ', 'F - test_click_past_end_of_wrapping_line/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, "I'm ad", 'F - test_click_past_end_of_wrapping_line/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'am', 'F - test_click_past_end_of_wrapping_line/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, 'F - test_click_past_end_of_wrapping_line/cursor') -- one more than the number of UTF-8 code-points
end
function test_click_past_end_of_wrapping_line_containing_non_ascii()
io.write('\ntest_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 ', 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/baseline/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'I’m ad', 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/baseline/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'am', 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/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, 'F - test_click_past_end_of_wrapping_line_containing_non_ascii/cursor') -- one more than the number of UTF-8 code-points
end
function test_click_past_end_of_word_wrapping_line()
io.write('\ntest_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 ', 'F - test_click_past_end_of_word_wrapping_line/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
check_eq(Editor_state.cursor1.pos, 20, 'F - test_click_past_end_of_word_wrapping_line/cursor')
check_nil(Editor_state.selection1.line, 'F - test_click_with_mouse_on_wrapping_line/selection is empty to avoid perturbing future edits')
end
function test_click_with_mouse_on_wrapping_line_takes_margins_into_account()
io.write('\ntest_click_with_mouse_on_wrapping_line_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 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, 'F - test_click_with_mouse_on_wrapping_line_takes_margins_into_account/cursor:line')
check_eq(Editor_state.cursor1.pos, 2, 'F - test_click_with_mouse_on_wrapping_line_takes_margins_into_account/cursor:pos')
check_nil(Editor_state.selection1.line, 'F - test_click_with_mouse_takes_margins_into_account/selection is empty to avoid perturbing future edits')
end
function test_click_with_mouse_on_empty_line()
io.write('\ntest_click_with_mouse_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 = {}
-- 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, 'F - test_click_with_mouse_on_empty_line/cursor')
end
function test_draw_text()
io.write('\ntest_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', 'F - test_draw_text/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'def', 'F - test_draw_text/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_draw_text/screen:3')
end
function test_draw_wrapping_text()
io.write('\ntest_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', 'F - test_draw_wrapping_text/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'de', 'F - test_draw_wrapping_text/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'fgh', 'F - test_draw_wrapping_text/screen:3')
end
function test_draw_word_wrapping_text()
io.write('\ntest_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 ', 'F - test_draw_word_wrapping_text/screen:1')
y = y + Editor_state.line_height
App.screen.check(y, 'def ', 'F - test_draw_word_wrapping_text/screen:2')
y = y + Editor_state.line_height
App.screen.check(y, 'ghi', 'F - test_draw_word_wrapping_text/screen:3')
end
function test_click_with_mouse_on_wrapping_line()
io.write('\ntest_click_with_mouse_on_wrapping_line')
-- display two 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, 'F - test_click_with_mouse_on_wrapping_line/cursor:line')
check_eq(Editor_state.cursor1.pos, 2, 'F - test_click_with_mouse_on_wrapping_line/cursor:pos')
check_nil(Editor_state.selection1.line, 'F - test_click_with_mouse_to_left_of_line/selection is empty to avoid perturbing future edits')
end
function test_click_with_mouse_takes_margins_into_account()
io.write('\ntest_click_with_mouse_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 = {}
-- 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, 'F - test_click_with_mouse_takes_margins_into_account/cursor:line')
check_eq(Editor_state.cursor1.pos, 2, 'F - test_click_with_mouse_takes_margins_into_account/cursor:pos')
check_nil(Editor_state.selection1.line, 'F - test_click_with_mouse/selection is empty to avoid perturbing future edits')
end
function test_click_with_mouse_to_left_of_line()
io.write('\ntest_click_with_mouse_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 = {}
-- 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, 'F - test_click_with_mouse_to_left_of_line/cursor:line')
check_eq(Editor_state.cursor1.pos, 1, 'F - test_click_with_mouse_to_left_of_line/cursor:pos')