summaryrefslogtreecommitdiff
path: root/tests/commonlib
diff options
context:
space:
mode:
authorYidi Lin <yidilin@chromium.org>2023-10-31 14:57:04 +0800
committerMartin L Roth <gaumless@gmail.com>2023-11-04 17:05:28 +0000
commit909c317b2deb184d95c7d289cbe6603e209ed72d (patch)
tree67527e94bdf82faabcededcb3a22b5bfb7faf684 /tests/commonlib
parented62dbaf674d102d45b84b38c5de62134e5bca4c (diff)
commonlib: Add GCD function
Implement a simple GCD function. BUG=b:307790895 TEST=emerge-geralt coreboot TEST=make tests/commonlib/bsd/gcd-test Change-Id: I21819cda4299b3809b8ca7a95cbdc6a87e4b3481 Signed-off-by: Yidi Lin <yidilin@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/78798 Reviewed-by: Martin L Roth <gaumless@gmail.com> Reviewed-by: Julius Werner <jwerner@chromium.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'tests/commonlib')
-rw-r--r--tests/commonlib/bsd/Makefile.inc4
-rw-r--r--tests/commonlib/bsd/gcd-test.c27
2 files changed, 31 insertions, 0 deletions
diff --git a/tests/commonlib/bsd/Makefile.inc b/tests/commonlib/bsd/Makefile.inc
index 56664d037c..bf17b6d56d 100644
--- a/tests/commonlib/bsd/Makefile.inc
+++ b/tests/commonlib/bsd/Makefile.inc
@@ -1,5 +1,9 @@
# SPDX-License-Identifier: GPL-2.0-only
tests-y += helpers-test
+tests-y += gcd-test
helpers-test-srcs += tests/commonlib/bsd/helpers-test.c
+
+gcd-test-srcs += tests/commonlib/bsd/gcd-test.c
+gcd-test-srcs += src/commonlib/bsd/gcd.c
diff --git a/tests/commonlib/bsd/gcd-test.c b/tests/commonlib/bsd/gcd-test.c
new file mode 100644
index 0000000000..13fad86ec4
--- /dev/null
+++ b/tests/commonlib/bsd/gcd-test.c
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <commonlib/bsd/gcd.h>
+#include <tests/test.h>
+
+static void test_gcd32(void **state)
+{
+ assert_int_equal(gcd32(17, 11), 1);
+ assert_int_equal(gcd32(64, 36), 4);
+ assert_int_equal(gcd32(90, 123), 3);
+ assert_int_equal(gcd32(65536, 339584), 128);
+ assert_int_equal(gcd32(1, 1), 1);
+ assert_int_equal(gcd32(1, 123), 1);
+ assert_int_equal(gcd32(123, 1), 1);
+ assert_int_equal(gcd32(1, UINT32_MAX), 1);
+ assert_int_equal(gcd32(UINT32_MAX, 1), 1);
+ assert_int_equal(gcd32(UINT32_MAX, UINT32_MAX), UINT32_MAX);
+}
+
+int main(void)
+{
+ const struct CMUnitTest tests[] = {
+ cmocka_unit_test(test_gcd32),
+ };
+
+ return cb_run_group_tests(tests, NULL, NULL);
+}