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authorMatthias Clasen <mclasen@redhat.com>2019-07-06 15:34:03 -0400
committerMatthias Clasen <mclasen@redhat.com>2019-07-07 11:28:33 -0400
commita7c8b966f312d4946304fc551a6f4bd64c5bce74 (patch)
treee2acfed471c47a9bab548134dea6d277abe009d6
parent50b1e8532c5211cebd3cea935f9ac91a087d5c35 (diff)
downloadpango-a7c8b966f312d4946304fc551a6f4bd64c5bce74.tar.gz
Add a test for log attrs
This is useful for exploring line breaking.
-rw-r--r--tests/breaks/one.break1
-rw-r--r--tests/breaks/one.expected5
-rw-r--r--tests/meson.build1
-rw-r--r--tests/test-break.c289
4 files changed, 296 insertions, 0 deletions
diff --git a/tests/breaks/one.break b/tests/breaks/one.break
new file mode 100644
index 00000000..f30dc534
--- /dev/null
+++ b/tests/breaks/one.break
@@ -0,0 +1 @@
+abc/def ghi­jkl. Bla
diff --git a/tests/breaks/one.expected b/tests/breaks/one.expected
new file mode 100644
index 00000000..90ea8d18
--- /dev/null
+++ b/tests/breaks/one.expected
@@ -0,0 +1,5 @@
+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
diff --git a/tests/meson.build b/tests/meson.build
index 7df7a999..50176c3d 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -22,6 +22,7 @@ tests = [
[ 'testcolor' ],
[ 'testscript' ],
[ 'cxx-test', [ 'cxx-test.cpp' ] ],
+ [ 'test-break' ],
]
if build_pangoft2
diff --git a/tests/test-break.c b/tests/test-break.c
new file mode 100644
index 00000000..9f069c09
--- /dev/null
+++ b/tests/test-break.c
@@ -0,0 +1,289 @@
+/* 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 ();
+}