[pango/test-coverage: 19/20] tests: Add some bidi api tests

[Matthias Clasen <matthiasc src gnome org>]

commit 9b51e9d5124f17e1d9351736f66116d993aa6e5f
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jun 27 11:35:42 2021 -0400

    tests: Add some bidi api tests

 tests/testmisc.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
---
diff --git a/tests/testmisc.c b/tests/testmisc.c
index e241c56f..eb5c16e7 100644
--- a/tests/testmisc.c
+++ b/tests/testmisc.c
@@ -233,6 +233,68 @@ test_gravity_for_script (void)
     }
 }
 
+G_GNUC_BEGIN_IGNORE_DEPRECATIONS
+
+static void
+test_bidi_type_for_unichar (void)
+{
+  /* one representative from each class we support */
+  g_assert_true (pango_bidi_type_for_unichar ('a') == PANGO_BIDI_TYPE_L);
+  g_assert_true (pango_bidi_type_for_unichar (0x202a) == PANGO_BIDI_TYPE_LRE);
+  g_assert_true (pango_bidi_type_for_unichar (0x202d) == PANGO_BIDI_TYPE_LRO);
+  g_assert_true (pango_bidi_type_for_unichar (0x05d0) == PANGO_BIDI_TYPE_R);
+  g_assert_true (pango_bidi_type_for_unichar (0x0627) == PANGO_BIDI_TYPE_AL);
+  g_assert_true (pango_bidi_type_for_unichar (0x202b) == PANGO_BIDI_TYPE_RLE);
+  g_assert_true (pango_bidi_type_for_unichar (0x202e) == PANGO_BIDI_TYPE_RLO);
+  g_assert_true (pango_bidi_type_for_unichar (0x202c) == PANGO_BIDI_TYPE_PDF);
+  g_assert_true (pango_bidi_type_for_unichar ('0') == PANGO_BIDI_TYPE_EN);
+  g_assert_true (pango_bidi_type_for_unichar ('+') == PANGO_BIDI_TYPE_ES);
+  g_assert_true (pango_bidi_type_for_unichar ('#') == PANGO_BIDI_TYPE_ET);
+  g_assert_true (pango_bidi_type_for_unichar (0x601) == PANGO_BIDI_TYPE_AN);
+  g_assert_true (pango_bidi_type_for_unichar (',') == PANGO_BIDI_TYPE_CS);
+  g_assert_true (pango_bidi_type_for_unichar (0x0301) == PANGO_BIDI_TYPE_NSM);
+  g_assert_true (pango_bidi_type_for_unichar (0x200d) == PANGO_BIDI_TYPE_BN);
+  g_assert_true (pango_bidi_type_for_unichar (0x2029) == PANGO_BIDI_TYPE_B);
+  g_assert_true (pango_bidi_type_for_unichar (0x000b) == PANGO_BIDI_TYPE_S);
+  g_assert_true (pango_bidi_type_for_unichar (' ') == PANGO_BIDI_TYPE_WS);
+  g_assert_true (pango_bidi_type_for_unichar ('!') == PANGO_BIDI_TYPE_ON);
+  /* this should be FSI */
+  g_assert_true (pango_bidi_type_for_unichar (0x2026) == PANGO_BIDI_TYPE_ON);
+}
+
+static void
+test_bidi_mirror_char (void)
+{
+  /* just some samples */
+  struct {
+    gunichar a;
+    gunichar b;
+  } tests[] = {
+    { '(', ')' },
+    { '<', '>' },
+    { '[', ']' },
+    { '{', '}' },
+    { 0x00ab, 0x00bb },
+    { 0x2045, 0x2046 },
+    { 0x226e, 0x226f },
+  };
+
+  for (int i = 0; i < G_N_ELEMENTS (tests); i++)
+    {
+      gboolean ret;
+      gunichar ch;
+
+      ret = pango_get_mirror_char (tests[i].a, &ch);
+      g_assert_true (ret);
+      g_assert_true (ch == tests[i].b);
+      ret = pango_get_mirror_char (tests[i].b, &ch);
+      g_assert_true (ret);
+      g_assert_true (ch == tests[i].a);
+    }
+}
+
+G_GNUC_END_IGNORE_DEPRECATIONS
+
 int
 main (int argc, char *argv[])
 {
@@ -250,6 +312,8 @@ main (int argc, char *argv[])
   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);
+  g_test_add_func ("/bidi/type-for-unichar", test_bidi_type_for_unichar);
+  g_test_add_func ("/bidi/mirror-char", test_bidi_mirror_char);
 
   return g_test_run ();
 }