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selftests/nolibc: add a test for stat().st_rdev

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The handling of 'dev_t' values is about to be changed.

Add a test to make sure they are returned correctly from stat().

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260404-nolibc-makedev-v2-2-456a429bf60c@weissschuh.net
This commit is contained in:
Thomas Weißschuh 2026-04-04 10:08:19 +02:00
parent 9c0ff257fb
commit 5afc7e9b90
1 changed files with 1 additions and 0 deletions
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tools/testing/selftests/nolibc/nolibc-test.c
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@ -1485,6 +1485,7 @@ int run_syscall(int min, int max)
CASE_TEST(select_fault); EXPECT_SYSER(1, select(1, (void *)1, NULL, NULL, 0), -1, EFAULT); break;
CASE_TEST(stat_blah); EXPECT_SYSER(1, stat("/proc/self/blah", &stat_buf), -1, ENOENT); break;
CASE_TEST(stat_fault); EXPECT_SYSER(1, stat(NULL, &stat_buf), -1, EFAULT); break;
CASE_TEST(stat_rdev); EXPECT_SYSZR(1, ({ int ret = stat("/dev/null", &stat_buf); ret ?: stat_buf.st_rdev != makedev(1, 3); })); break;
CASE_TEST(stat_timestamps); EXPECT_SYSZR(1, test_stat_timestamps()); break;
CASE_TEST(symlink_root); EXPECT_SYSER(1, symlink("/", "/"), -1, EEXIST); break;
CASE_TEST(timer); EXPECT_SYSZR(1, test_timer()); break;