video: Add a test for font measurement

Add a simple test which measures a line of text using a Truetype font.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/test/dm/video.c b/test/dm/video.c
index 929fc16..6ce1a75 100644 (file)
--- a/test/dm/video.c
+++ b/test/dm/video.c
@@ -777,3 +777,32 @@ static int dm_test_video_damage(struct unit_test_state *uts)
        return 0;
 }
 DM_TEST(dm_test_video_damage, UTF_SCAN_PDATA | UTF_SCAN_FDT);
+
+/* Test font measurement */
+static int dm_test_font_measure(struct unit_test_state *uts)
+{
+       const char *test_string = "There is always much to be said for not "
+               "attempting more than you can do and for making a certainty of "
+               "what you try. But this principle, like others in life and "
+               "war, has its exceptions.";
+       struct vidconsole_bbox bbox;
+       struct video_priv *priv;
+       struct udevice *dev, *con;
+
+       ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev));
+       priv = dev_get_uclass_priv(dev);
+       ut_asserteq(1366, priv->xsize);
+       ut_asserteq(768, priv->ysize);
+
+       /* this is using the Nimbus font with size of 18 pixels */
+       ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con));
+       vidconsole_position_cursor(con, 0, 0);
+       ut_assertok(vidconsole_measure(con, NULL, 0, test_string, &bbox));
+       ut_asserteq(0, bbox.x0);
+       ut_asserteq(0, bbox.y0);
+       ut_asserteq(0x47a, bbox.x1);
+       ut_asserteq(0x12, bbox.y1);
+
+       return 0;
+}
+DM_TEST(dm_test_font_measure, UTF_SCAN_FDT);