From d0f53fdbead15d9003b521b8ed47d02fd29a4c64 Mon Sep 17 00:00:00 2001 From: Behdad Esfahbod Date: Wed, 13 Apr 2011 01:09:09 -0400 Subject: [PATCH] [test] Test hb-buffer.h --- test/Makefile.am | 8 +- test/test-buffer.c | 195 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 202 insertions(+), 1 deletion(-) create mode 100644 test/test-buffer.c diff --git a/test/Makefile.am b/test/Makefile.am index 19e38b2ae..2056b3901 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -1,12 +1,18 @@ include Makefile.decl +NULL = + if HAVE_GLIB AM_CPPFLAGS = -I$(top_srcdir)/src/ $(GLIB_CFLAGS) LDADD = $(top_builddir)/src/libharfbuzz.la $(GLIB_LIBS) check_PROGRAMS = $(TEST_PROGS) -TEST_PROGS += test-types +TEST_PROGS += \ + test-buffer \ + test-types \ + $(NULL) + else diff --git a/test/test-buffer.c b/test/test-buffer.c new file mode 100644 index 000000000..4e7c6e50c --- /dev/null +++ b/test/test-buffer.c @@ -0,0 +1,195 @@ +/* + * Copyright (C) 2010 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" + +/* This file tests types defined in hb-buffer.h */ + + +static const char utf8[10] = "ab\360\240\200\200defg"; +static const uint16_t utf16[8] = {'a', 'b', 0xD840, 0xDC00, 'd', 'e', 'f', 'g'}; +static const uint32_t utf32[7] = {'a', 'b', 0x20000, 'd', 'e', 'f', 'g'}; + +typedef enum { + BUFFER_EMPTY, + BUFFER_ONE_BY_ONE, + BUFFER_UTF32, + BUFFER_UTF16, + BUFFER_UTF8, + BUFFER_NUM_TYPES, +} buffer_type_t; + +static const char *buffer_names[] = { + "empty", + "one-by-one", + "utf32", + "utf16", + "utf8" +}; + +typedef struct +{ + hb_buffer_t *b; +} Fixture; + +static void +fixture_init (Fixture *fixture, gconstpointer user_data) +{ + unsigned int i; + + fixture->b = hb_buffer_create (0); + + switch (GPOINTER_TO_INT (user_data)) { + case BUFFER_EMPTY: + break; + + case BUFFER_ONE_BY_ONE: + for (i = 1; i < G_N_ELEMENTS (utf32) - 1; i++) + hb_buffer_add_glyph (fixture->b, utf32[i], 1, i); + break; + + case BUFFER_UTF32: + hb_buffer_add_utf32 (fixture->b, utf32, G_N_ELEMENTS (utf32), 1, G_N_ELEMENTS (utf32) - 2); + break; + + case BUFFER_UTF16: + hb_buffer_add_utf16 (fixture->b, utf16, G_N_ELEMENTS (utf16), 1, G_N_ELEMENTS (utf16) - 2); + break; + + case BUFFER_UTF8: + hb_buffer_add_utf8 (fixture->b, utf8, G_N_ELEMENTS (utf8), 1, G_N_ELEMENTS (utf8) - 2); + break; + + default: + g_assert_not_reached (); + } +} + +static void +fixture_fini (Fixture *fixture, gconstpointer user_data) +{ + hb_buffer_destroy (fixture->b); +} + + +static void +test_buffer_properties (Fixture *fixture, gconstpointer user_data) +{ + /* TODO check unicode_funcs */ + + g_assert (hb_buffer_get_direction (fixture->b) == HB_DIRECTION_LTR); + g_assert (hb_buffer_get_script (fixture->b) == HB_SCRIPT_COMMON); + g_assert (hb_buffer_get_language (fixture->b) == NULL); + + hb_buffer_set_direction (fixture->b, HB_DIRECTION_RTL); + g_assert (hb_buffer_get_direction (fixture->b) == HB_DIRECTION_RTL); + + hb_buffer_set_script (fixture->b, HB_SCRIPT_ARABIC); + g_assert (hb_buffer_get_script (fixture->b) == HB_SCRIPT_ARABIC); + + hb_buffer_set_language (fixture->b, hb_language_from_string ("fa")); + g_assert (hb_buffer_get_language (fixture->b) == hb_language_from_string ("Fa")); +} + +static void +test_buffer_contents (Fixture *fixture, gconstpointer user_data) +{ + unsigned int i, len; + 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_length (fixture->b), ==, 0); + return; + } + + len = hb_buffer_get_length (fixture->b); + g_assert_cmpint (len, ==, 5); + + glyphs = hb_buffer_get_glyph_infos (fixture->b); + + 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); + g_assert_cmphex (glyphs[i].mask, ==, 1); + g_assert_cmphex (glyphs[i].var1.u32, ==, 0); + g_assert_cmphex (glyphs[i].var2.u32, ==, 0); + } + + hb_buffer_clear (fixture->b); + g_assert_cmpint (hb_buffer_get_length (fixture->b), ==, 0); +} + +static void +test_buffer_positions (Fixture *fixture, gconstpointer user_data) +{ + unsigned int i, len; + hb_glyph_position_t *positions; + + /* Without shaping, positions should all be zero */ + positions = hb_buffer_get_glyph_positions (fixture->b); + len = hb_buffer_get_length (fixture->b); + for (i = 0; i < len; i++) { + g_assert_cmpint (0, ==, positions[i].x_advance); + g_assert_cmpint (0, ==, positions[i].y_advance); + g_assert_cmpint (0, ==, positions[i].x_offset); + g_assert_cmpint (0, ==, positions[i].y_offset); + g_assert_cmpint (0, ==, positions[i].var.i32); + } +} + +int +main (int argc, char **argv) +{ + int i; + + g_test_init (&argc, &argv, NULL); + + for (i = 0; i < BUFFER_NUM_TYPES; i++) { +#define TEST_ADD(path, func) \ + G_STMT_START { \ + char *s = g_strdup_printf ("%s/%s", path, buffer_names[i]); \ + g_test_add (s, Fixture, GINT_TO_POINTER (i), fixture_init, func, fixture_fini); \ + g_free (s); \ + } G_STMT_END + TEST_ADD ("/buffer/properties", test_buffer_properties); + TEST_ADD ("/buffer/contents", test_buffer_contents); + TEST_ADD ("/buffer/positions", test_buffer_positions); +#undef TEST_ADD + } + + /* XXX test invalid UTF-8 / UTF-16 text input */ + + return g_test_run(); +}