Add standalone test for smob marking

* test-suite/standalone/Makefile.am (TESTS, check_PROGRAMS): add test-smob-mark
  (test_smob_mark_SOURCES, test_smob_mark_CFLAGS, test_smob_mark_LDADD): new variables
* test-suite/standalone/test-smob-mark.c: new file

2 files changed, 139 insertions, 0 deletions

diff --git a/test-suite/standalone/Makefile.am b/test-suite/standalone/Makefile.am
index 4b1c8227c..ffeafa808 100644
--- a/test-suite/standalone/Makefile.am
+++ b/test-suite/standalone/Makefile.am
@@ -251,4 +251,10 @@ EXTRA_DIST += test-with-guile-module.c test-scm-with-guile.c
 
 endif
 
+test_smob_mark_SOURCES = test-smob-mark.c
+test_smob_mark_CFLAGS = ${test_cflags}
+test_smob_mark_LDADD = $(LIBGUILE_LDADD)
+check_PROGRAMS += test-smob-mark
+TESTS += test-smob-mark
+
 EXTRA_DIST += ${check_SCRIPTS}
diff --git a/test-suite/standalone/test-smob-mark.c b/test-suite/standalone/test-smob-mark.c
new file mode 100644
index 000000000..d9db9a651
--- /dev/null
+++ b/test-suite/standalone/test-smob-mark.c
@@ -0,0 +1,133 @@
+/* Copyright (C) 2013 Free Software Foundation, 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <assert.h>
+#include <libguile.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#define SMOBS_COUNT (10000)
+
+struct x_tag
+{
+  SCM scm_value;
+  int c_value;
+};
+
+typedef struct x_tag x_t;
+
+unsigned int mark_call_count = 0;
+
+static scm_t_bits x_tag;
+static SCM make_x (void);
+static SCM mark_x (SCM x);
+static int print_x (SCM x, SCM port, scm_print_state * pstate);
+static size_t free_x (SCM x);
+static void init_smob_type (void);
+static void test_scm_smob_mark (void);
+
+static SCM
+make_x ()
+{
+  static int i = 0;
+  SCM s_x;
+  x_t *c_x;
+
+  i++;
+  c_x = (x_t *) scm_gc_malloc (sizeof (x_t), "x");
+  c_x->scm_value = scm_from_int (i);
+  c_x->c_value = i;
+  SCM_NEWSMOB (s_x, x_tag, c_x);
+  return s_x;
+}
+
+static SCM
+mark_x (SCM x)
+{
+  x_t *c_x;
+  c_x = (x_t *) SCM_SMOB_DATA (x);
+  scm_gc_mark (c_x->scm_value);
+  mark_call_count++;
+  return SCM_BOOL_F;
+}
+
+static size_t
+free_x (SCM x)
+{
+  x_t *c_x;
+  c_x = (x_t *) SCM_SMOB_DATA (x);
+  scm_gc_free (c_x, sizeof (x_t), "x");
+  c_x = NULL;
+  return 0;
+}
+
+static int
+print_x (SCM x, SCM port, scm_print_state * pstate SCM_UNUSED)
+{
+  x_t *c_x = (x_t *) SCM_SMOB_DATA (x);
+  scm_puts ("#<x ", port);
+  if (c_x == (x_t *) NULL)
+    scm_puts ("(freed)", port);
+  else
+    scm_write (c_x->scm_value, port);
+  scm_puts (">", port);
+
+  return 1;
+}
+
+static void
+test_scm_smob_mark ()
+{
+  int i;
+  mark_call_count = 0;
+  for (i = 0; i < SMOBS_COUNT; i++)
+    make_x ();
+  scm_gc ();
+  if (mark_call_count < SMOBS_COUNT)
+    {
+      fprintf (stderr, "FAIL: SMOB mark function called for each SMOB\n");
+      exit (EXIT_FAILURE);
+    }
+}
+
+static void
+init_smob_type ()
+{
+  x_tag = scm_make_smob_type ("x", sizeof (x_t));
+  scm_set_smob_free (x_tag, free_x);
+  scm_set_smob_print (x_tag, print_x);
+  scm_set_smob_mark (x_tag, mark_x);
+}
+
+static void
+tests (void *data, int argc, char **argv)
+{
+  init_smob_type ();
+  test_scm_smob_mark ();
+}
+
+int
+main (int argc, char *argv[])
+{
+  scm_boot_guile (argc, argv, tests, NULL);
+  return 0;
+}