[pango/item-offset: 3/4] test-itemize: Print more information

[Matthias Clasen <matthiasc src gnome org>]

commit 3f8f21293fe6ffa8709b0ff206beda78f1719eae
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Aug 28 11:13:37 2021 -0400

    test-itemize: Print more information
    
    Print out the items num_chars and char_offset, so we
    can check that the char_offset implementation works.
    
    Update affected test outputs.

 tests/itemize/one.expected |  1 +
 tests/itemize/two.expected |  1 +
 tests/test-itemize.c       | 18 +++++++++++++++++-
 3 files changed, 19 insertions(+), 1 deletion(-)
---
diff --git a/tests/itemize/one.expected b/tests/itemize/one.expected
index deaa544d..aacf60d1 100644
--- a/tests/itemize/one.expected
+++ b/tests/itemize/one.expected
@@ -1,6 +1,7 @@
 <span font="Cantarell 11" fallback="false">a b
c</span>
 
 Items:  a b            |[0x2028]       |c              
+Chars:  3(0)           |1(3)           |1(4)           
 Font:   Cantarell 11   |Cantarell 11   |Cantarell 11   
 Script: latin          |latin          |latin          
 Lang:   en-us          |en-us          |en-us          
diff --git a/tests/itemize/two.expected b/tests/itemize/two.expected
index ebe9757c..06518c88 100644
--- a/tests/itemize/two.expected
+++ b/tests/itemize/two.expected
@@ -1,6 +1,7 @@
 <span font="Cantarell 11">one <span font_features="tnum=0">tw<u>o</u> <span 
font_features="dlig=1">two</span> </span>th<b>r</b>ee</span>
 
 Items:  one tw                    |o                                          | two th                       
                       |r                |ee          
+Chars:  6(0)                      |1(6)                                       |7(7)                          
                       |1(14)            |2(15)       
 Font:   Cantarell 11              |Cantarell 11                               |Cantarell 11                  
                       |Cantarell Bold 11|Cantarell 11
 Script: latin                     |latin                                      |latin                         
                       |latin            |latin       
 Lang:   en-us                     |en-us                                      |en-us                         
                       |en-us            |en-us       
diff --git a/tests/test-itemize.c b/tests/test-itemize.c
index 921a1fdc..00af2256 100644
--- a/tests/test-itemize.c
+++ b/tests/test-itemize.c
@@ -31,6 +31,8 @@
 #include <pango/pangocairo.h>
 #include "test-common.h"
 
+#include "pango/pango-item-private.h"
+
 
 static PangoContext *context;
 
@@ -104,13 +106,22 @@ apply_attributes_to_items (GList         *items,
   pango_attr_iterator_destroy (iter);
 }
 
+static int
+get_item_char_offset (PangoItem *item)
+{
+  if (item->analysis.flags & PANGO_ANALYSIS_FLAG_HAS_CHAR_OFFSET)
+    return ((PangoItemPrivate *)item)->char_offset;
+
+  return -1;
+}
+
 static void
 test_file (const gchar *filename, GString *string)
 {
   gchar *contents;
   gsize  length;
   GError *error = NULL;
-  GString *s1, *s2, *s3, *s4, *s5, *s6;
+  GString *s1, *s2, *s3, *s4, *s5, *s6, *s7;
   char *test;
   char *text;
   PangoAttrList *attrs;
@@ -136,6 +147,7 @@ test_file (const gchar *filename, GString *string)
   s4 = g_string_new ("Lang:   ");
   s5 = g_string_new ("Bidi:   ");
   s6 = g_string_new ("Attrs:  ");
+  s7 = g_string_new ("Chars:  ");
 
   length = strlen (text);
   if (text[length - 1] == '\n')
@@ -168,6 +180,7 @@ test_file (const gchar *filename, GString *string)
       g_string_append_printf (s4, "%s%s", sep, pango_language_to_string (item->analysis.language));
       g_string_append_printf (s5, "%s%d", sep, item->analysis.level);
       g_string_append_printf (s6, "%s", sep);
+      g_string_append_printf (s7, "%s%d(%d)", sep, item->num_chars, get_item_char_offset (item));
       for (a = item->analysis.extra_attrs; a; a = a->next)
         {
           PangoAttribute *attr = a->data;
@@ -189,10 +202,12 @@ test_file (const gchar *filename, GString *string)
       g_string_append_printf (s4, "%*s", (int)(m - s4->len), "");
       g_string_append_printf (s5, "%*s", (int)(m - s5->len), "");
       g_string_append_printf (s6, "%*s", (int)(m - s6->len), "");
+      g_string_append_printf (s7, "%*s", (int)(m - s7->len), "");
     }
 
   g_string_append_printf (string, "%s\n", test);
   g_string_append_printf (string, "%s\n", s1->str);
+  g_string_append_printf (string, "%s\n", s7->str);
   g_string_append_printf (string, "%s\n", s2->str);
   g_string_append_printf (string, "%s\n", s3->str);
   g_string_append_printf (string, "%s\n", s4->str);
@@ -205,6 +220,7 @@ test_file (const gchar *filename, GString *string)
   g_string_free (s4, TRUE);
   g_string_free (s5, TRUE);
   g_string_free (s6, TRUE);
+  g_string_free (s7, TRUE);
 
   g_list_free_full (items, (GDestroyNotify)pango_item_free);
   pango_attr_list_unref (attrs);