Commit a7c8b966 authored by Matthias Clasen's avatar Matthias Clasen

Add a test for log attrs

This is useful for exploring line breaking.
parent 50b1e853
abc/def ghi­jkl. Bla
Text: a b c / d e f [ ] g h i [0xad] j k l . [ ] B l a [0x0a]
Breaks: c c c c lc c c c lc c c c lhc c c c c lc c c c Lc
Whitespace: x x w w
Words: s e s e s e s e
Sentences: s e s e
......@@ -22,6 +22,7 @@ tests = [
[ 'testcolor' ],
[ 'testscript' ],
[ 'cxx-test', [ 'cxx-test.cpp' ] ],
[ 'test-break' ],
]
if build_pangoft2
......
/* Pango
* test-break.c: Test Pango line breaking
*
* Copyright (C) 2019 Red Hat, Inc
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <glib.h>
#include <string.h>
#include <locale.h>
#ifndef G_OS_WIN32
#include <unistd.h>
#endif
#include "config.h"
#include <pango/pangocairo.h>
#include "test-common.h"
static PangoContext *context;
static void
test_file (const gchar *filename, GString *string)
{
gchar *contents;
gsize length;
GError *error = NULL;
PangoLogAttr *attrs;
PangoLanguage *lang;
int len;
char *p;
int i;
GString *s1, *s2, *s3, *s4;
int m;
if (!g_file_get_contents (filename, &contents, &length, &error))
{
fprintf (stderr, "%s\n", error->message);
g_error_free (error);
return;
}
len = g_utf8_strlen (contents, -1) + 1;
attrs = g_new (PangoLogAttr, len);
lang = pango_language_from_string ("en");
pango_get_log_attrs (contents, length, -1, lang, attrs, len);
s1 = g_string_new ("Breaks: ");
s2 = g_string_new ("Whitespace: ");
s3 = g_string_new ("Words:");
s4 = g_string_new ("Sentences:");
g_string_append (string, "Text: ");
m = MAX (MAX (s1->len, s2->len), MAX (s3->len, s4->len));
g_string_append_printf (s1, "%*s", (int)(m - s1->len), "");
g_string_append_printf (s2, "%*s", (int)(m - s2->len), "");
g_string_append_printf (s3, "%*s", (int)(m - s3->len), "");
g_string_append_printf (s4, "%*s", (int)(m - s4->len), "");
g_string_append_printf (string, "%*s", (int)(m - strlen ("Text: ")), "");
for (i = 0, p = contents; i < len; i++, p = g_utf8_next_char (p))
{
PangoLogAttr log = attrs[i];
int b = 0;
int w = 0;
int o = 0;
int s = 0;
if (log.is_mandatory_break)
{
g_string_append (s1, "L");
b++;
}
else if (log.is_line_break)
{
g_string_append (s1, "l");
b++;
}
if (log.is_soft_hyphen)
{
g_string_append (s1, "h");
b++;
}
if (log.is_char_break)
{
g_string_append (s1, "c");
b++;
}
if (log.is_expandable_space)
{
g_string_append (s2, "x");
w++;
}
else if (log.is_white)
{
g_string_append (s2, "w");
w++;
}
if (log.is_word_start)
{
g_string_append (s3, "s");
o++;
}
if (log.is_word_end)
{
g_string_append (s3, "e");
o++;
}
if (log.is_sentence_start)
{
g_string_append (s4, "s");
s++;
}
if (log.is_sentence_end)
{
g_string_append (s4, "e");
s++;
}
m = MAX (MAX (b, w), MAX (o, s));
g_string_append_printf (string, "%*s", m, "");
g_string_append_printf (s1, "%*s", m - b, "");
g_string_append_printf (s2, "%*s", m - w, "");
g_string_append_printf (s3, "%*s", m - o, "");
g_string_append_printf (s4, "%*s", m - s, "");
if (i < len - 1)
{
gunichar ch = g_utf8_get_char (p);
if (ch == 0x20)
{
g_string_append (string, "[ ]");
g_string_append (s1, " ");
g_string_append (s2, " ");
g_string_append (s3, " ");
g_string_append (s4, " ");
}
else if (g_unichar_isprint (ch))
{
g_string_append_unichar (string, ch);
g_string_append (s1, " ");
g_string_append (s2, " ");
g_string_append (s3, " ");
g_string_append (s4, " ");
}
else
{
char *str = g_strdup_printf ("[%#04x]", ch);
g_string_append (string, str);
g_string_append_printf (s1, "%*s", (int)strlen (str), "");
g_string_append_printf (s2, "%*s", (int)strlen (str), "");
g_string_append_printf (s3, "%*s", (int)strlen (str), "");
g_string_append_printf (s4, "%*s", (int)strlen (str), "");
g_free (str);
}
}
}
g_string_append (string, "\n");
g_string_append_len (string, s1->str, s1->len);
g_string_append (string, "\n");
g_string_append_len (string, s2->str, s2->len);
g_string_append (string, "\n");
g_string_append_len (string, s3->str, s3->len);
g_string_append (string, "\n");
g_string_append_len (string, s4->str, s4->len);
g_string_append (string, "\n");
g_string_free (s1, TRUE);
g_string_free (s2, TRUE);
g_string_free (s3, TRUE);
g_string_free (s4, TRUE);
g_free (attrs);
g_free (contents);
}
static gchar *
get_expected_filename (const gchar *filename)
{
gchar *f, *p, *expected;
f = g_strdup (filename);
p = strstr (f, ".break");
if (p)
*p = 0;
expected = g_strconcat (f, ".expected", NULL);
g_free (f);
return expected;
}
static void
test_break (gconstpointer d)
{
const gchar *filename = d;
gchar *expected_file;
GError *error = NULL;
GString *dump;
gchar *diff;
expected_file = get_expected_filename (filename);
dump = g_string_sized_new (0);
test_file (filename, dump);
//diff = diff_with_file (expected_file, dump->str, dump->len, &error);
g_assert_no_error (error);
if (diff && diff[0])
{
g_printerr ("Contents don't match expected contents:\n%s", diff);
g_test_fail ();
g_free (diff);
}
g_string_free (dump, TRUE);
g_free (expected_file);
}
int
main (int argc, char *argv[])
{
GDir *dir;
GError *error = NULL;
const gchar *name;
gchar *path;
g_setenv ("LC_ALL", "en_US.UTF-8", TRUE);
setlocale (LC_ALL, "");
g_test_init (&argc, &argv, NULL);
context = pango_context_new ();
/* allow to easily generate expected output for new test cases */
if (argc > 1)
{
GString *string;
string = g_string_sized_new (0);
test_file (argv[1], string);
printf ("%s", string->str);
return 0;
}
path = g_test_build_filename (G_TEST_DIST, "breaks", NULL);
dir = g_dir_open (path, 0, &error);
g_free (path);
g_assert_no_error (error);
while ((name = g_dir_read_name (dir)) != NULL)
{
if (!strstr (name, "break"))
continue;
path = g_strdup_printf ("/break/%s", name);
g_test_add_data_func_full (path, g_test_build_filename (G_TEST_DIST, "breaks", name, NULL),
test_break, g_free);
g_free (path);
}
g_dir_close (dir);
return g_test_run ();
}
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