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-rw-r--r--tests/testmisc.c53
1 files changed, 51 insertions, 2 deletions
diff --git a/tests/testmisc.c b/tests/testmisc.c
index d8275aad..8ebfec80 100644
--- a/tests/testmisc.c
+++ b/tests/testmisc.c
@@ -370,6 +370,54 @@ test_get_cursor (void)
g_object_unref (context);
}
+static void
+test_index_to_x (void)
+{
+ PangoContext *context;
+ const char *tests[] = {
+ "ac­ual­ly", // soft hyphen
+ "ac​ual​ly", // zero-width space
+ };
+
+ context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
+
+ for (int i = 0; i < G_N_ELEMENTS (tests); i++)
+ {
+ PangoLayout *layout;
+ const char *text;
+ const char *p;
+
+ layout = pango_layout_new (context);
+ pango_layout_set_text (layout, tests[i], -1);
+ text = pango_layout_get_text (layout);
+
+ for (p = text; *p; p = g_utf8_next_char (p))
+ {
+ int index = p - text;
+ int l;
+ PangoLayoutLine *line;
+ int x;
+ int index2, trailing;
+ gunichar ch;
+
+ ch = g_utf8_get_char (p);
+
+ pango_layout_index_to_line_x (layout, index, FALSE, &l, NULL);
+ line = pango_layout_get_line (layout, l);
+ g_assert_nonnull (line);
+
+ pango_layout_line_index_to_x (line, index, 0, &x);
+ pango_layout_line_x_to_index (line, x, &index2, &trailing);
+ if (!pango_is_zero_width (ch))
+ g_assert_cmpint (index, ==, index2);
+ }
+
+ g_object_unref (layout);
+ }
+
+ g_object_unref (context);
+}
+
int
main (int argc, char *argv[])
{
@@ -382,8 +430,8 @@ main (int argc, char *argv[])
g_test_add_func ("/language/emoji-crash", test_language_emoji_crash);
g_test_add_func ("/layout/line-height", test_line_height);
g_test_add_func ("/attr-list/update", test_attr_list_update);
- g_test_add_func ("/version-info", test_version_info);
- g_test_add_func ("/is-zerowidth", test_is_zero_width);
+ g_test_add_func ("/misc/version-info", test_version_info);
+ g_test_add_func ("/misc/is-zerowidth", test_is_zero_width);
g_test_add_func ("/gravity/to-rotation", test_gravity_to_rotation);
g_test_add_func ("/gravity/from-matrix", test_gravity_from_matrix);
g_test_add_func ("/gravity/for-script", test_gravity_for_script);
@@ -393,6 +441,7 @@ main (int argc, char *argv[])
#endif
g_test_add_func ("/bidi/get-cursor-crash", test_get_cursor_crash);
g_test_add_func ("/bidi/get-cursor", test_get_cursor);
+ g_test_add_func ("/layout/index-to-x", test_index_to_x);
return g_test_run ();
}