Allow serializing context information

Optionally include context information in the
serialization and restore it. This will be useful
for transporting for giving tests complete data
that affects their output.

Some tests included.

1 files changed, 45 insertions, 0 deletions

diff --git a/tests/testserialize.c b/tests/testserialize.c
index d04ec7cf..43248777 100644
--- a/tests/testserialize.c
+++ b/tests/testserialize.c
@@ -243,6 +243,42 @@ test_serialize_layout_valid (void)
 }
 
 static void
+test_serialize_layout_context (void)
+{
+  const char *test =
+    "{\n"
+    "  \"text\" : \"Some fun with layouts!\",\n"
+    "  \"context\" : {\n"
+    "    \"base-gravity\" : \"east\",\n"
+    "    \"language\" : \"de-de\",\n"
+    "    \"round-glyph-positions\" : \"false\"\n"
+    "  }\n"
+    "}";
+
+  PangoContext *context;
+  GBytes *bytes;
+  PangoLayout *layout;
+  GError *error = NULL;
+
+  context = pango_font_map_create_context (pango_cairo_font_map_get_default ());
+
+  bytes = g_bytes_new_static (test, -1);
+
+  layout = pango_layout_deserialize (context, bytes, PANGO_LAYOUT_DESERIALIZE_CONTEXT, &error);
+  g_assert_no_error (error);
+  g_assert_true (PANGO_IS_LAYOUT (layout));
+  g_assert_cmpstr (pango_layout_get_text (layout), ==, "Some fun with layouts!");
+
+  g_assert_cmpint (pango_context_get_base_gravity (context), ==, PANGO_GRAVITY_EAST);
+  g_assert_true (pango_context_get_language (context) == pango_language_from_string ("de-de"));
+  g_assert_false (pango_context_get_round_glyph_positions (context));
+
+  g_object_unref (layout);
+  g_bytes_unref (bytes);
+  g_object_unref (context);
+}
+
+static void
 test_serialize_layout_invalid (void)
 {
   struct {
@@ -285,6 +321,14 @@ test_serialize_layout_invalid (void)
       "  \"alignment\" : \"nonsense\"\n"
       "}",
       PANGO_LAYOUT_DESERIALIZE_INVALID_VALUE
+    },
+    {
+      "{\n"
+      "  \"attributes\" : {\n"
+      "    \"name\" : \"This is wrong\"\n"
+      "  }\n"
+      "}",
+      PANGO_LAYOUT_DESERIALIZE_INVALID_SYNTAX
     }
   };
 
@@ -317,6 +361,7 @@ main (int argc, char *argv[])
   g_test_add_func ("/serialize/tab-array", test_serialize_tab_array);
   g_test_add_func ("/serialize/layout/minimal", test_serialize_layout_minimal);
   g_test_add_func ("/serialize/layout/valid", test_serialize_layout_valid);
+  g_test_add_func ("/serialize/layout/context", test_serialize_layout_context);
   g_test_add_func ("/serialize/layout/invalid", test_serialize_layout_invalid);
 
   return g_test_run ();