Module Name: src
Committed By: jruoho
Date: Sat Mar 19 06:39:17 UTC 2011
Modified Files:
src/distrib/sets/lists/tests: mi
src/tests/include/sys: Makefile
Added Files:
src/tests/include/sys: t_bitops.c
Log Message:
Add a simple test file for <sys/bitops.h>. For now, only ilog2(3) is tested.
To generate a diff of this commit:
cvs rdiff -u -r1.271 -r1.272 src/distrib/sets/lists/tests/mi
cvs rdiff -u -r1.1 -r1.2 src/tests/include/sys/Makefile
cvs rdiff -u -r0 -r1.1 src/tests/include/sys/t_bitops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/distrib/sets/lists/tests/mi
diff -u src/distrib/sets/lists/tests/mi:1.271 src/distrib/sets/lists/tests/mi:1.272
--- src/distrib/sets/lists/tests/mi:1.271 Mon Mar 14 15:57:33 2011
+++ src/distrib/sets/lists/tests/mi Sat Mar 19 06:39:17 2011
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.271 2011/03/14 15:57:33 pooka Exp $
+# $NetBSD: mi,v 1.272 2011/03/19 06:39:17 jruoho Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -281,6 +281,7 @@
./usr/libdata/debug/usr/tests/fs/vfs/t_vnops.debug tests-fs-debug debug,atf
./usr/libdata/debug/usr/tests/include tests-ipf-tests
./usr/libdata/debug/usr/tests/include/sys tests-ipf-tests
+./usr/libdata/debug/usr/tests/include/sys/t_bitops.debug tests-ipf-tests debug,atf
./usr/libdata/debug/usr/tests/include/sys/t_bootblock.debug tests-ipf-tests debug,atf
./usr/libdata/debug/usr/tests/include/t_bitstring.debug tests-ipf-tests debug,atf
./usr/libdata/debug/usr/tests/include/t_inttypes.debug tests-ipf-tests debug,atf
@@ -1324,6 +1325,7 @@
./usr/tests/include/d_bitstring_8.out tests-include-tests atf
./usr/tests/include/sys tests-include-tests
./usr/tests/include/sys/Atffile tests-include-tests atf
+./usr/tests/include/sys/t_bitops tests-include-tests atf
./usr/tests/include/sys/t_bootblock tests-include-tests atf
./usr/tests/include/t_bitstring tests-include-tests atf
./usr/tests/include/t_inttypes tests-include-tests atf
Index: src/tests/include/sys/Makefile
diff -u src/tests/include/sys/Makefile:1.1 src/tests/include/sys/Makefile:1.2
--- src/tests/include/sys/Makefile:1.1 Sat Jul 17 19:26:27 2010
+++ src/tests/include/sys/Makefile Sat Mar 19 06:39:17 2011
@@ -1,11 +1,12 @@
-# $NetBSD: Makefile,v 1.1 2010/07/17 19:26:27 jmmv Exp $
+# $NetBSD: Makefile,v 1.2 2011/03/19 06:39:17 jruoho Exp $
NOMAN= # defined
.include <bsd.own.mk>
-TESTSDIR= ${TESTSBASE}/include/sys
+TESTSDIR= ${TESTSBASE}/include/sys
-TESTS_C= t_bootblock
+LDADD.t_bitops+= -lm
+TESTS_C= t_bitops t_bootblock
.include <bsd.test.mk>
Added files:
Index: src/tests/include/sys/t_bitops.c
diff -u /dev/null src/tests/include/sys/t_bitops.c:1.1
--- /dev/null Sat Mar 19 06:39:17 2011
+++ src/tests/include/sys/t_bitops.c Sat Mar 19 06:39:17 2011
@@ -0,0 +1,83 @@
+/* $NetBSD: t_bitops.c,v 1.1 2011/03/19 06:39:17 jruoho Exp $ */
+
+/*-
+ * Copyright (c) 2011 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jukka Ruohonen.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <atf-c.h>
+
+#include <sys/bitops.h>
+#include <math.h>
+
+ATF_TC(ilog2_1);
+ATF_TC_HEAD(ilog2_1, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test ilog2(3) for correctness");
+}
+
+ATF_TC_BODY(ilog2_1, tc)
+{
+ uint64_t i, x;
+
+ for (i = x = 0; i < 64; i++) {
+
+ x = (uint64_t)1 << i;
+
+ ATF_REQUIRE(i == (uint64_t)ilog2(x));
+ }
+}
+
+ATF_TC(ilog2_2);
+ATF_TC_HEAD(ilog2_2, tc)
+{
+ atf_tc_set_md_var(tc, "descr", "Test log2(3) vs. ilog2(3)");
+}
+
+ATF_TC_BODY(ilog2_2, tc)
+{
+ double x, y;
+ uint64_t i;
+
+ for (i = 1; i < UINT32_MAX; i += UINT16_MAX) {
+
+ x = log2(i);
+ y = (double)(ilog2(i));
+
+ ATF_REQUIRE(ceil(x) >= y);
+ ATF_REQUIRE(fabs(floor(x) - y) < 1.0e-40);
+ }
+}
+
+ATF_TP_ADD_TCS(tp)
+{
+
+ ATF_TP_ADD_TC(tp, ilog2_1);
+ ATF_TP_ADD_TC(tp, ilog2_2);
+
+ return atf_no_error();
+}
