[gobject-introspection/wip/cmph-rebase2: 5/8] cmph-bdz-test: New test

[Colin Walters <walters src gnome org>]

commit d7fe1db0f0c2e9d40835749c3f1d5b5c05fdcc36
Author: Colin Walters <walters verbum org>
Date:   Thu Nov 11 15:34:11 2010 -0500

    cmph-bdz-test: New test
    
    Add a basic test of CMPH (without any layers on top).

 Makefile-cmph.am             |    9 +++-
 girepository/cmph-bdz-test.c |  141 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 149 insertions(+), 1 deletions(-)
---
diff --git a/Makefile-cmph.am b/Makefile-cmph.am
index 31db667..65617a0 100644
--- a/Makefile-cmph.am
+++ b/Makefile-cmph.am
@@ -1,7 +1,7 @@
 noinst_LTLIBRARIES += libcmph.la
 
 libcmph_la_CPPFLAGS = -Icmph $(GLIB_CFLAGS)
-libcmph_la_LIBADD = $(GLIB_LIBS)
+libcmph_la_LIBADD = -lm $(GLIB_LIBS)
 
 libcmph_la_SOURCES = \
 	girepository/cmph/bdz.c \
@@ -65,3 +65,10 @@ libcmph_la_SOURCES = \
 	girepository/cmph/vqueue.h \
 	girepository/cmph/vstack.c \
 	girepository/cmph/vstack.h
+
+GTESTER_PROGS += cmph-bdz-test
+
+cmph_bdz_test_SOURCES = girepository/cmph-bdz-test.c
+cmph_bdz_test_CFLAGS = -Igirepository/cmph $(GOBJECT_CFLAGS)
+cmph_bdz_test_LDADD = libcmph.la $(GOBJECT_LIBS)
+
diff --git a/girepository/cmph-bdz-test.c b/girepository/cmph-bdz-test.c
new file mode 100644
index 0000000..fdff9d1
--- /dev/null
+++ b/girepository/cmph-bdz-test.c
@@ -0,0 +1,141 @@
+/* GObject introspection: Test cmph hashing
+ *
+ * Copyright (C) 2010 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser 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-object.h>
+#include "cmph.h"
+
+static cmph_t *
+build (void)
+{
+  cmph_config_t *config;
+  cmph_io_adapter_t *io;
+  char **strings;
+  cmph_t *c;
+  guint32 size;
+
+  strings = g_strsplit ("foo,bar,baz", ",", -1);
+
+  io = cmph_io_vector_adapter (strings, g_strv_length (strings));
+  config = cmph_config_new (io);
+  cmph_config_set_algo (config, CMPH_BDZ);
+
+  c = cmph_new (config);
+  size = cmph_size (c);
+  g_assert (size == g_strv_length (strings));
+
+  return c;
+}
+
+static void
+assert_hashes_unique (guint    n_hashes,
+		      guint32* hashes)
+{
+  guint i;
+
+  for (i = 0; i < n_hashes; i++)
+    {
+      guint j = 0;
+      for (j = 0; j < n_hashes; j++)
+	{
+	  if (j != i)
+	    g_assert (hashes[i] != hashes[j]);
+	}
+    }
+}
+
+static void
+test_search (void)
+{
+  cmph_t *c = build();
+  guint i;
+  guint32 hash;
+  guint32 hashes[3];
+  guint32 size;
+
+  size = cmph_size (c);
+
+  i = 0;
+  hash = cmph_search (c, "foo", 3);
+  g_assert (hash >= 0 && hash < size);
+  hashes[i++] = hash;
+
+  hash = cmph_search (c, "bar", 3);
+  g_assert (hash >= 0 && hash < size);
+  hashes[i++] = hash;
+
+  hash = cmph_search (c, "baz", 3);
+  g_assert (hash >= 0 && hash < size);
+  hashes[i++] = hash;
+
+  assert_hashes_unique (G_N_ELEMENTS (hashes), &hashes[0]);
+}
+
+static void
+test_search_packed (void)
+{
+  cmph_t *c = build();
+  guint32 bufsize;
+  guint i;
+  guint32 hash;
+  guint32 hashes[3];
+  guint32 size;
+  guint8 *buf;
+
+  bufsize = cmph_packed_size (c);
+  buf = g_malloc (bufsize);
+  cmph_pack (c, buf);
+
+  size = cmph_size (c);
+
+  cmph_destroy (c);
+  c = NULL;
+
+  i = 0;
+  hash = cmph_search_packed (buf, "foo", 3);
+  g_assert (hash >= 0 && hash < size);
+  hashes[i++] = hash;
+
+  hash = cmph_search_packed (buf, "bar", 3);
+  g_assert (hash >= 0 && hash < size);
+  hashes[i++] = hash;
+
+  hash = cmph_search_packed (buf, "baz", 3);
+  g_assert (hash >= 0 && hash < size);
+  hashes[i++] = hash;
+
+  assert_hashes_unique (G_N_ELEMENTS (hashes), &hashes[0]);
+}
+
+int
+main(int argc, char **argv)
+{
+  gint ret;
+
+  g_type_init ();
+  g_test_init (&argc, &argv, NULL);
+
+  g_test_add_func ("/cmph-bdz/search", test_search);
+  g_test_add_func ("/cmph-bdz/search-packed", test_search_packed);
+
+  ret = g_test_run ();
+
+  return ret;
+}
+