1 files changed, 122 insertions, 0 deletions
diff --git a/lib/util/tests/idtree.c b/lib/util/tests/idtree.c
new file mode 100644
index 0000000..f4f7b11
--- /dev/null
+++ b/lib/util/tests/idtree.c
@@ -0,0 +1,122 @@
+/* 
+   Unix SMB/CIFS implementation.
+
+   local testing of idtree routines.
+
+   Copyright (C) Andrew Tridgell 2004
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+   
+   This program 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 General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "torture/torture.h"
+#include "torture/local/proto.h"
+
+static bool torture_local_idtree_simple(struct torture_context *tctx)
+{
+	struct idr_context *idr;
+	int i, ret;
+	int *ids;
+	int *present;
+	extern int torture_numops;
+	int n = torture_numops;
+	TALLOC_CTX *mem_ctx = tctx;
+
+	idr = idr_init(mem_ctx);
+
+	ids = talloc_zero_array(mem_ctx, int, n);
+	present = talloc_zero_array(mem_ctx, int, n);
+
+	for (i=0;i<n;i++) {
+		ids[i] = -1;
+	}
+
+	for (i=0;i<n;i++) {
+		int ii = random() % n;
+		void *p = idr_find(idr, ids[ii]);
+		if (present[ii]) {
+			if (p != &ids[ii]) {
+				torture_fail(tctx, talloc_asprintf(tctx, 
+						"wrong ptr at %d - %p should be %p", 
+				       ii, p, &ids[ii]));
+			}
+			if (random() % 7 == 0) {
+				if (idr_remove(idr, ids[ii]) != 0) {
+					torture_fail(tctx, talloc_asprintf(tctx,
+						"remove failed at %d (id=%d)", 
+					       i, ids[ii]));
+				}
+				present[ii] = 0;
+				ids[ii] = -1;
+			}
+		} else {
+			if (p != NULL) {
+				torture_fail(tctx, 
+					     talloc_asprintf(tctx,
+							     "non-present at %d gave %p (would be %d)", 
+							     ii, p, 
+							     (int)((((char *)p) - (char *)(&ids[0])) / sizeof(int))));
+			}
+			if (random() % 5) {
+				ids[ii] = idr_get_new(idr, &ids[ii], n);
+				if (ids[ii] < 0) {
+					torture_fail(tctx, talloc_asprintf(tctx,
+						"alloc failure at %d (ret=%d)", 
+					       ii, ids[ii]));
+				} else {
+					present[ii] = 1;
+				}
+			}
+		}
+	}
+
+	torture_comment(tctx, "done %d random ops\n", i);
+
+	for (i=0;i<n;i++) {
+		if (present[i]) {
+			if (idr_remove(idr, ids[i]) != 0) {
+				torture_fail(tctx, talloc_asprintf(tctx,
+						"delete failed on cleanup at %d (id=%d)", 
+				       i, ids[i]));
+			}
+		}
+	}
+
+	/* now test some limits */
+	for (i=0;i<25000;i++) {
+		ret = idr_get_new_above(idr, &ids[0], random() % 25000, 0x10000-3);
+		torture_assert(tctx, ret != -1, "idr_get_new_above failed");
+	}
+
+	ret = idr_get_new_above(idr, &ids[0], 0x10000-2, 0x10000);
+	torture_assert_int_equal(tctx, ret, 0x10000-2, "idr_get_new_above failed");
+	ret = idr_get_new_above(idr, &ids[0], 0x10000-1, 0x10000);
+	torture_assert_int_equal(tctx, ret, 0x10000-1, "idr_get_new_above failed");
+	ret = idr_get_new_above(idr, &ids[0], 0x10000, 0x10000);
+	torture_assert_int_equal(tctx, ret, 0x10000, "idr_get_new_above failed");
+	ret = idr_get_new_above(idr, &ids[0], 0x10000+1, 0x10000);
+	torture_assert_int_equal(tctx, ret, -1, "idr_get_new_above succeeded above limit");
+	ret = idr_get_new_above(idr, &ids[0], 0x10000+2, 0x10000);
+	torture_assert_int_equal(tctx, ret, -1, "idr_get_new_above succeeded above limit");
+
+	torture_comment(tctx, "cleaned up\n");
+	return true;
+}
+
+struct torture_suite *torture_local_idtree(TALLOC_CTX *mem_ctx)
+{
+	struct torture_suite *suite = torture_suite_create(mem_ctx, "idtree");
+	torture_suite_add_simple_test(suite, "idtree", torture_local_idtree_simple);
+	return suite;
+}