--- /dev/null
+/*
+ * Copyright © 2013 Google, Inc.
+ *
+ * This is part of HarfBuzz, a text shaping library.
+ *
+ * Permission is hereby granted, without written agreement and without
+ * license or royalty fees, to use, copy, modify, and distribute this
+ * software and its documentation for any purpose, provided that the
+ * above copyright notice and the following two paragraphs appear in
+ * all copies of this software.
+ *
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
+ * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
+ * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
+ * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Google Author(s): Behdad Esfahbod
+ */
+
+#include "hb-test.h"
+
+/* Unit tests for hb-set.h */
+
+
+#if 0
+static void
+test_buffer_properties (fixture_t *fixture, gconstpointer user_data)
+{
+ hb_buffer_t *b = fixture->buffer;
+ hb_unicode_funcs_t *ufuncs;
+
+ /* test default properties */
+
+ g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
+ g_assert (hb_buffer_get_language (b) == NULL);
+ g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT);
+
+
+ /* test property changes are retained */
+ ufuncs = hb_unicode_funcs_create (NULL);
+ hb_buffer_set_unicode_funcs (b, ufuncs);
+ hb_unicode_funcs_destroy (ufuncs);
+ g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs);
+
+ hb_buffer_set_direction (b, HB_DIRECTION_RTL);
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL);
+
+ hb_buffer_set_script (b, HB_SCRIPT_ARABIC);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC);
+
+ hb_buffer_set_language (b, hb_language_from_string ("fa", -1));
+ g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1));
+
+ hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT);
+ g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT);
+
+
+
+ /* test clear clears all properties but unicode_funcs */
+
+ hb_buffer_clear (b);
+
+ g_assert (hb_buffer_get_unicode_funcs (b) == ufuncs);
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
+ g_assert (hb_buffer_get_language (b) == NULL);
+ g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT);
+
+
+ /* test reset clears all properties */
+
+ hb_buffer_set_direction (b, HB_DIRECTION_RTL);
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_RTL);
+
+ hb_buffer_set_script (b, HB_SCRIPT_ARABIC);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_ARABIC);
+
+ hb_buffer_set_language (b, hb_language_from_string ("fa", -1));
+ g_assert (hb_buffer_get_language (b) == hb_language_from_string ("Fa", -1));
+
+ hb_buffer_set_flags (b, HB_BUFFER_FLAG_BOT);
+ g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAG_BOT);
+
+ hb_buffer_reset (b);
+
+ g_assert (hb_buffer_get_unicode_funcs (b) == hb_unicode_funcs_get_default ());
+ g_assert (hb_buffer_get_direction (b) == HB_DIRECTION_INVALID);
+ g_assert (hb_buffer_get_script (b) == HB_SCRIPT_INVALID);
+ g_assert (hb_buffer_get_language (b) == NULL);
+ g_assert (hb_buffer_get_flags (b) == HB_BUFFER_FLAGS_DEFAULT);
+}
+
+static void
+test_buffer_contents (fixture_t *fixture, gconstpointer user_data)
+{
+ hb_buffer_t *b = fixture->buffer;
+ unsigned int i, len, len2;
+ buffer_type_t buffer_type = GPOINTER_TO_INT (user_data);
+ hb_glyph_info_t *glyphs;
+
+ if (buffer_type == BUFFER_EMPTY) {
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 0);
+ return;
+ }
+
+ len = hb_buffer_get_population (b);
+ hb_buffer_get_glyph_infos (b, NULL); /* test NULL */
+ glyphs = hb_buffer_get_glyph_infos (b, &len2);
+ g_assert_cmpint (len, ==, len2);
+ g_assert_cmpint (len, ==, 5);
+
+ for (i = 0; i < len; i++) {
+ g_assert_cmphex (glyphs[i].mask, ==, 1);
+ g_assert_cmphex (glyphs[i].var1.u32, ==, 0);
+ g_assert_cmphex (glyphs[i].var2.u32, ==, 0);
+ }
+
+ for (i = 0; i < len; i++) {
+ unsigned int cluster;
+ cluster = 1+i;
+ if (i >= 2) {
+ if (buffer_type == BUFFER_UTF16)
+ cluster++;
+ else if (buffer_type == BUFFER_UTF8)
+ cluster += 3;
+ }
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
+ g_assert_cmphex (glyphs[i].cluster, ==, cluster);
+ }
+
+ /* reverse, test, and reverse back */
+
+ hb_buffer_reverse (b);
+ for (i = 0; i < len; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
+
+ hb_buffer_reverse (b);
+ for (i = 0; i < len; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
+
+ /* reverse_clusters works same as reverse for now since each codepoint is
+ * in its own cluster */
+
+ hb_buffer_reverse_clusters (b);
+ for (i = 0; i < len; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
+
+ hb_buffer_reverse_clusters (b);
+ for (i = 0; i < len; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
+
+ /* now form a cluster and test again */
+ glyphs[2].cluster = glyphs[1].cluster;
+
+ /* reverse, test, and reverse back */
+
+ hb_buffer_reverse (b);
+ for (i = 0; i < len; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[len-i]);
+
+ hb_buffer_reverse (b);
+ for (i = 0; i < len; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
+
+ /* reverse_clusters twice still should return the original string,
+ * but when applied once, the 1-2 cluster should be retained. */
+
+ hb_buffer_reverse_clusters (b);
+ for (i = 0; i < len; i++) {
+ unsigned int j = len-1-i;
+ if (j == 1)
+ j = 2;
+ else if (j == 2)
+ j = 1;
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+j]);
+ }
+
+ hb_buffer_reverse_clusters (b);
+ for (i = 0; i < len; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
+
+
+ /* test setting length */
+
+ /* enlarge */
+ g_assert (hb_buffer_set_length (b, 10));
+ glyphs = hb_buffer_get_glyph_infos (b, NULL);
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 10);
+ for (i = 0; i < 5; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
+ for (i = 5; i < 10; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, 0);
+ /* shrink */
+ g_assert (hb_buffer_set_length (b, 3));
+ glyphs = hb_buffer_get_glyph_infos (b, NULL);
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 3);
+ for (i = 0; i < 3; i++)
+ g_assert_cmphex (glyphs[i].codepoint, ==, utf32[1+i]);
+
+
+ g_assert (hb_buffer_allocation_successful (b));
+
+
+ /* test reset clears content */
+
+ hb_buffer_reset (b);
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 0);
+}
+
+static void
+test_buffer_allocation (fixture_t *fixture, gconstpointer user_data)
+{
+ hb_buffer_t *b = fixture->buffer;
+
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 0);
+
+ g_assert (hb_buffer_pre_allocate (b, 100));
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 0);
+ g_assert (hb_buffer_allocation_successful (b));
+
+ /* lets try a huge allocation, make sure it fails */
+ g_assert (!hb_buffer_pre_allocate (b, (unsigned int) -1));
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 0);
+ g_assert (!hb_buffer_allocation_successful (b));
+
+ /* small one again */
+ g_assert (hb_buffer_pre_allocate (b, 50));
+ g_assert_cmpint (hb_buffer_get_population (b), ==, 0);
+ g_assert (!hb_buffer_allocation_successful (b));
+
+ hb_buffer_reset (b);
+ g_assert (hb_buffer_allocation_successful (b));
+
+ /* all allocation and size */
+ g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 + 1));
+ g_assert (!hb_buffer_allocation_successful (b));
+
+ hb_buffer_reset (b);
+ g_assert (hb_buffer_allocation_successful (b));
+
+ /* technically, this one can actually pass on 64bit machines, but
+ * I'm doubtful that any malloc allows 4GB allocations at a time.
+ * But let's only enable it on a 32-bit machine. */
+ if (sizeof (long) == 4) {
+ g_assert (!hb_buffer_pre_allocate (b, ((unsigned int) -1) / 20 - 1));
+ g_assert (!hb_buffer_allocation_successful (b));
+ }
+
+ hb_buffer_reset (b);
+ g_assert (hb_buffer_allocation_successful (b));
+}
+#endif
+
+static void
+test_empty (hb_set_t *b)
+{
+ g_assert_cmpint (hb_set_get_population (b), ==, 0);
+ g_assert_cmpint (hb_set_get_min (b), ==, (hb_codepoint_t) -1);
+ g_assert_cmpint (hb_set_get_max (b), ==, (hb_codepoint_t) -1);
+}
+
+static void
+test_set_empty (void)
+{
+ hb_set_t *b = hb_set_get_empty ();
+
+ g_assert (hb_set_get_empty ());
+ g_assert (hb_set_get_empty () == b);
+
+ g_assert (!hb_set_allocation_successful (b));
+
+ test_empty (b);
+
+ hb_set_add (b, 13);
+
+ test_empty (b);
+
+ hb_set_invert (b);
+
+ test_empty (b);
+
+ g_assert (!hb_set_allocation_successful (b));
+
+ hb_set_clear (b);
+
+ test_empty (b);
+
+ g_assert (!hb_set_allocation_successful (b));
+}
+
+int
+main (int argc, char **argv)
+{
+ hb_test_init (&argc, &argv);
+
+#if 0
+ hb_test_add (test_set_algebra);
+ hb_test_add (test_set_iter);
+#endif
+ hb_test_add (test_set_empty);
+
+ return hb_test_run();
+}