From: Simon Glass <sjg@chromium.org> Add a few tests of cursor operation. Co-developed-by: Claude <noreply@anthropic.com> Signed-off-by: Simon Glass <sjg@chromium.org> --- test/dm/video.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) diff --git a/test/dm/video.c b/test/dm/video.c index 3395fd9f1b3..bb88c17e272 100644 --- a/test/dm/video.c +++ b/test/dm/video.c @@ -997,3 +997,87 @@ static int dm_test_video_font_switch(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_video_font_switch, UTF_SCAN_PDATA | UTF_SCAN_FDT); + +/* cursor backspace without artifacts */ +static int check_cursor_backspace(struct unit_test_state *uts, + struct udevice *dev, struct udevice *con, + int exp_height) +{ + int with_a, with_cursor, after_backspace, after_idle, after_hide; + struct vidconsole_priv *vc_priv = dev_get_uclass_priv(con); + struct vidconsole_cursor *curs = &vc_priv->curs; + + /* Output chars without cursor */ + ut_assert(!curs->visible); + ut_assert(!curs->enabled); + ut_assert(!curs->saved); + ut_assert(!curs->height); + ut_assertok(vidconsole_put_char(con, ' ')); + ut_assertok(vidconsole_put_char(con, 'a')); + with_a = video_compress_fb(uts, dev, false); + + /* Show cursor at current position (after 'a') */ + ut_assertok(vidconsole_show_cursor(con)); + ut_assert(curs->visible); + ut_assert(curs->saved); + ut_asserteq(exp_height, curs->height); + with_cursor = video_compress_fb(uts, dev, false); + + /* Enable the cursor so that backspace will move it */ + curs->enabled = true; + + /* Do backspace - the cursor will be hidden */ + ut_assertok(vidconsole_put_char(con, '\b')); + ut_assert(!curs->visible); + ut_assert(!curs->saved); + after_backspace = video_compress_fb(uts, dev, false); + ut_asserteq(with_a, after_backspace); + ut_assert(curs->enabled); + + /* Run idle function - this should show the cursor */ + vidconsole_idle(con); + ut_assert(curs->visible); + ut_assert(curs->saved); + after_idle = video_compress_fb(uts, dev, false); + ut_assert(after_idle != with_a); + + /* Hide the cursor */ + ut_assertok(vidconsole_hide_cursor(con)); + ut_assert(curs->enabled); + ut_assert(!curs->visible); + ut_assert(!curs->saved); + after_hide = video_compress_fb(uts, dev, false); + + ut_asserteq(with_a, after_hide); + + return 0; +} + +/* cursor backspace without artifacts */ +static int dm_test_video_backspace_normal(struct unit_test_state *uts) +{ + struct udevice *dev, *con; + + ut_assertok(select_vidconsole(uts, "vidconsole0")); + ut_assertok(video_get_nologo(uts, &dev)); + ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); + ut_assertok(vidconsole_select_font(con, "8x16", 0)); + ut_assertok(check_cursor_backspace(uts, dev, con, 16)); + + return 0; +} +DM_TEST(dm_test_video_backspace_normal, UTF_SCAN_PDATA | UTF_SCAN_FDT); + +/* cursor backspace without artifacts on truetype */ +static int dm_test_video_backspace_truetype(struct unit_test_state *uts) +{ + struct udevice *dev, *con; + + ut_assertok(video_get_nologo(uts, &dev)); + ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con)); + ut_assertok(vidconsole_select_font(con, NULL, 30)); + ut_assertok(check_cursor_backspace(uts, dev, con, 30)); + + return 0; +} +DM_TEST(dm_test_video_backspace_truetype, UTF_SCAN_PDATA | UTF_SCAN_FDT); -- 2.43.0