video: test: Add ANSI escape sequence tests

This adds tests for clear, set-cursor and color escape sequences.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Anatolij Gustschin <agust@denx.de>

diff --git a/test/dm/video.c b/test/dm/video.c
index 6a5626c5e3fdfd5098dc835a36de4459a2203944..29917d0c2d831beaf2387db1cfd9d5651f999af2 100644 (file)
--- a/test/dm/video.c
+++ b/test/dm/video.c
@@ -159,6 +159,40 @@ static int dm_test_video_chars(struct unit_test_state *uts)
 }
 DM_TEST(dm_test_video_chars, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
+#ifdef CONFIG_VIDEO_ANSI
+#define ANSI_ESC "\x1b"
+/* Test handling of ANSI escape sequences */
+static int dm_test_video_ansi(struct unit_test_state *uts)
+{
+       struct udevice *dev, *con;
+
+       ut_assertok(select_vidconsole(uts, "vidconsole0"));
+       ut_assertok(uclass_get_device(UCLASS_VIDEO, 0, &dev));
+       ut_assertok(uclass_get_device(UCLASS_VIDEO_CONSOLE, 0, &con));
+
+       /* reference clear: */
+       video_clear(con->parent);
+       video_sync(con->parent);
+       ut_asserteq(46, compress_frame_buffer(dev));
+
+       /* test clear escape sequence: [2J */
+       vidconsole_put_string(con, "A\tB\tC"ANSI_ESC"[2J");
+       ut_asserteq(46, compress_frame_buffer(dev));
+
+       /* test set-cursor: [%d;%df */
+       vidconsole_put_string(con, "abc"ANSI_ESC"[2;2fab"ANSI_ESC"[4;4fcd");
+       ut_asserteq(142, compress_frame_buffer(dev));
+
+       /* test colors (30-37 fg color, 40-47 bg color) */
+       vidconsole_put_string(con, ANSI_ESC"[30;41mfoo"); /* black on red */
+       vidconsole_put_string(con, ANSI_ESC"[33;44mbar"); /* yellow on blue */
+       ut_asserteq(268, compress_frame_buffer(dev));
+
+       return 0;
+}
+DM_TEST(dm_test_video_ansi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+#endif
+
 /**
  * check_vidconsole_output() - Run a text console test
  *