[pango/matthiasc/for-main: 23/25] tests: Add more attribute tests

[Matthias Clasen <matthiasc src gnome org>]

commit d61aa45efa0516794c6459db1213ca221c3a5497
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 21 21:35:41 2021 -0400

    tests: Add more attribute tests
    
    Handle all attribute types when testing copying,
    and add tests for the binding helpers.

 tests/test-common.c    |   3 ++
 tests/testattributes.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+)
---
diff --git a/tests/test-common.c b/tests/test-common.c
index 3df4015c..011b2eef 100644
--- a/tests/test-common.c
+++ b/tests/test-common.c
@@ -143,6 +143,7 @@ print_attribute (PangoAttribute *attr, GString *string)
     case PANGO_ATTR_INSERT_HYPHENS:
     case PANGO_ATTR_SHOW:
     case PANGO_ATTR_TEXT_TRANSFORM:
+    case PANGO_ATTR_ABSOLUTE_LINE_HEIGHT:
       g_string_append_printf (string, "%d", ((PangoAttrInt *)attr)->value);
       break;
     case PANGO_ATTR_FONT_DESC:
@@ -167,6 +168,7 @@ print_attribute (PangoAttribute *attr, GString *string)
       g_string_append_printf (string, "shape");
       break;
     case PANGO_ATTR_SCALE:
+    case PANGO_ATTR_LINE_HEIGHT:
       {
         char val[20];
 
@@ -174,6 +176,7 @@ print_attribute (PangoAttribute *attr, GString *string)
         g_string_append (string, val);
       }
       break;
+    case PANGO_ATTR_INVALID:
     default:
       g_assert_not_reached ();
       break;
diff --git a/tests/testattributes.c b/tests/testattributes.c
index bd1a4028..662a6142 100644
--- a/tests/testattributes.c
+++ b/tests/testattributes.c
@@ -66,10 +66,15 @@ test_attributes_basic (void)
   test_copy (pango_attr_shape_new (&rect, &rect));
   test_copy (pango_attr_gravity_new (PANGO_GRAVITY_SOUTH));
   test_copy (pango_attr_gravity_hint_new (PANGO_GRAVITY_HINT_STRONG));
+  test_copy (pango_attr_font_features_new ("csc=1"));
+  test_copy (pango_attr_foreground_alpha_new (8000));
+  test_copy (pango_attr_background_alpha_new (8000));
   test_copy (pango_attr_allow_breaks_new (FALSE));
   test_copy (pango_attr_show_new (PANGO_SHOW_SPACES));
   test_copy (pango_attr_insert_hyphens_new (FALSE));
   test_copy (pango_attr_text_transform_new (PANGO_TEXT_TRANSFORM_UPPERCASE));
+  test_copy (pango_attr_line_height_new (1.5));
+  test_copy (pango_attr_line_height_new_absolute (3000));
 }
 
 static void
@@ -111,6 +116,107 @@ test_attributes_register (void)
   g_type_class_unref (class);
 }
 
+#define g_assert_as(x, y) \
+  if (x == NULL) \
+    { \
+      GString *s = g_string_new (""); \
+      print_attribute (y, s); \
+      g_print ("failed to convert: %s\n", s->str); \
+      g_string_free (s, TRUE); \
+    }
+
+static void
+test_binding (PangoAttribute *attr)
+{
+  enum {
+    INVALID, INT, LANGUAGE, STRING, SIZE, FONT_DESC, COLOR, SHAPE, FLOAT, FONT_FEATURES,
+  } attr_base[] = {
+    INVALID, LANGUAGE, STRING, INT, INT, INT, INT, SIZE, FONT_DESC, COLOR,
+    COLOR, INT, INT, INT, SHAPE, FLOAT, INT, INT, COLOR, COLOR, SIZE,
+    INT, INT, FONT_FEATURES, INT, INT, INT, INT, INT, INT, COLOR, FLOAT,
+    INT, INT, INT, INT
+  };
+
+  switch (attr_base[attr->klass->type])
+    {
+    case INT:
+      g_assert_as (pango_attribute_as_int (attr), attr);
+      break;
+    case LANGUAGE:
+      g_assert_as (pango_attribute_as_language (attr), attr);
+      break;
+    case STRING:
+      g_assert_as (pango_attribute_as_string (attr), attr);
+      break;
+    case SIZE:
+      g_assert_as (pango_attribute_as_size (attr), attr);
+      break;
+    case FONT_DESC:
+      g_assert_as (pango_attribute_as_font_desc (attr), attr);
+      break;
+    case COLOR:
+      g_assert_as (pango_attribute_as_color (attr), attr);
+      break;
+    case SHAPE:
+      g_assert_as (pango_attribute_as_shape (attr), attr);
+      break;
+    case FLOAT:
+      g_assert_as (pango_attribute_as_float (attr), attr);
+      break;
+    case FONT_FEATURES:
+      g_assert_as (pango_attribute_as_font_features (attr), attr);
+      break;
+    default:
+      g_assert_not_reached ();
+    }
+
+  pango_attribute_destroy (attr);
+}
+
+static void
+test_binding_helpers (void)
+{
+  PangoFontDescription *desc;
+  PangoRectangle rect = { 0, 0, 10, 10 };
+
+  test_binding (pango_attr_language_new (pango_language_from_string ("ja-JP")));
+  test_binding (pango_attr_family_new ("Times"));
+  test_binding (pango_attr_foreground_new (100, 200, 300));
+  test_binding (pango_attr_background_new (100, 200, 300));
+  test_binding (pango_attr_size_new (1024));
+  test_binding (pango_attr_size_new_absolute (1024));
+  test_binding (pango_attr_style_new (PANGO_STYLE_ITALIC));
+  test_binding (pango_attr_weight_new (PANGO_WEIGHT_ULTRALIGHT));
+  test_binding (pango_attr_variant_new (PANGO_VARIANT_SMALL_CAPS));
+  test_binding (pango_attr_stretch_new (PANGO_STRETCH_SEMI_EXPANDED));
+  desc = pango_font_description_from_string ("Computer Modern 12");
+  test_binding (pango_attr_font_desc_new (desc));
+  pango_font_description_free (desc);
+  test_binding (pango_attr_underline_new (PANGO_UNDERLINE_LOW));
+  test_binding (pango_attr_underline_new (PANGO_UNDERLINE_ERROR_LINE));
+  test_binding (pango_attr_underline_color_new (100, 200, 300));
+  test_binding (pango_attr_overline_new (PANGO_OVERLINE_SINGLE));
+  test_binding (pango_attr_overline_color_new (100, 200, 300));
+  test_binding (pango_attr_strikethrough_new (TRUE));
+  test_binding (pango_attr_strikethrough_color_new (100, 200, 300));
+  test_binding (pango_attr_rise_new (256));
+  test_binding (pango_attr_scale_new (2.56));
+  test_binding (pango_attr_fallback_new (FALSE));
+  test_binding (pango_attr_letter_spacing_new (1024));
+  test_binding (pango_attr_shape_new (&rect, &rect));
+  test_binding (pango_attr_gravity_new (PANGO_GRAVITY_SOUTH));
+  test_binding (pango_attr_gravity_hint_new (PANGO_GRAVITY_HINT_STRONG));
+  test_binding (pango_attr_font_features_new ("csc=1"));
+  test_binding (pango_attr_foreground_alpha_new (8000));
+  test_binding (pango_attr_background_alpha_new (8000));
+  test_binding (pango_attr_allow_breaks_new (FALSE));
+  test_binding (pango_attr_show_new (PANGO_SHOW_SPACES));
+  test_binding (pango_attr_insert_hyphens_new (FALSE));
+  test_binding (pango_attr_text_transform_new (PANGO_TEXT_TRANSFORM_UPPERCASE));
+  test_binding (pango_attr_line_height_new (1.5));
+  test_binding (pango_attr_line_height_new_absolute (3000));
+}
+
 static void
 assert_attributes (GSList     *attrs,
                    const char *expected)
@@ -1211,6 +1317,7 @@ main (int argc, char *argv[])
   g_test_add_func ("/attributes/basic", test_attributes_basic);
   g_test_add_func ("/attributes/equal", test_attributes_equal);
   g_test_add_func ("/attributes/register", test_attributes_register);
+  g_test_add_func ("/attributes/binding-helpers", test_binding_helpers);
   g_test_add_func ("/attributes/list/basic", test_list);
   g_test_add_func ("/attributes/list/change", test_list_change);
   g_test_add_func ("/attributes/list/change2", test_list_change2);