diff options
Diffstat (limited to 'tools/testing/selftests/nolibc/nolibc-test.c')
| -rw-r--r-- | tools/testing/selftests/nolibc/nolibc-test.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c index 6ba4f8275a..994477ee87 100644 --- a/tools/testing/selftests/nolibc/nolibc-test.c +++ b/tools/testing/selftests/nolibc/nolibc-test.c @@ -27,6 +27,7 @@ #include <sys/syscall.h> #include <sys/sysmacros.h> #include <sys/time.h> +#include <sys/utsname.h> #include <sys/wait.h> #include <dirent.h> #include <errno.h> @@ -600,6 +601,25 @@ int expect_strne(const char *expr, int llen, const char *cmp) return ret; } +#define EXPECT_STRBUFEQ(cond, expr, buf, val, cmp) \ + do { if (!(cond)) result(llen, SKIPPED); else ret += expect_str_buf_eq(expr, buf, val, llen, cmp); } while (0) + +static __attribute__((unused)) +int expect_str_buf_eq(size_t expr, const char *buf, size_t val, int llen, const char *cmp) +{ + llen += printf(" = %lu <%s> ", (unsigned long)expr, buf); + if (strcmp(buf, cmp) != 0) { + result(llen, FAIL); + return 1; + } + if (expr != val) { + result(llen, FAIL); + return 1; + } + + result(llen, OK); + return 0; +} /* declare tests based on line numbers. There must be exactly one test per line. */ #define CASE_TEST(name) \ @@ -761,6 +781,45 @@ int test_stat_timestamps(void) return 0; } +int test_uname(void) +{ + struct utsname buf; + char osrelease[sizeof(buf.release)]; + ssize_t r; + int fd; + + memset(&buf.domainname, 'P', sizeof(buf.domainname)); + + if (uname(&buf)) + return 1; + + if (strncmp("Linux", buf.sysname, sizeof(buf.sysname))) + return 1; + + fd = open("/proc/sys/kernel/osrelease", O_RDONLY); + if (fd == -1) + return 1; + + r = read(fd, osrelease, sizeof(osrelease)); + if (r == -1) + return 1; + + close(fd); + + if (osrelease[r - 1] == '\n') + r--; + + /* Validate one of the later fields to ensure field sizes are correct */ + if (strncmp(osrelease, buf.release, r)) + return 1; + + /* Ensure the field domainname is set, it is missing from struct old_utsname */ + if (strnlen(buf.domainname, sizeof(buf.domainname)) == sizeof(buf.domainname)) + return 1; + + return 0; +} + int test_mmap_munmap(void) { int ret, fd, i, page_size; @@ -966,6 +1025,8 @@ int run_syscall(int min, int max) CASE_TEST(stat_fault); EXPECT_SYSER(1, stat(NULL, &stat_buf), -1, EFAULT); 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(uname); EXPECT_SYSZR(proc, test_uname()); break; + CASE_TEST(uname_fault); EXPECT_SYSER(1, uname(NULL), -1, EFAULT); break; CASE_TEST(unlink_root); EXPECT_SYSER(1, unlink("/"), -1, EISDIR); break; CASE_TEST(unlink_blah); EXPECT_SYSER(1, unlink("/proc/self/blah"), -1, ENOENT); break; CASE_TEST(wait_child); EXPECT_SYSER(1, wait(&tmp), -1, ECHILD); break; @@ -991,6 +1052,14 @@ int run_stdlib(int min, int max) for (test = min; test >= 0 && test <= max; test++) { int llen = 0; /* line length */ + /* For functions that take a long buffer, like strlcat() + * Add some more chars after the \0, to test functions that overwrite the buffer set + * the \0 at the exact right position. + */ + char buf[10] = "test123456"; + buf[4] = '\0'; + + /* avoid leaving empty lines below, this will insert holes into * test numbers. */ @@ -1007,6 +1076,19 @@ int run_stdlib(int min, int max) CASE_TEST(strchr_foobar_z); EXPECT_STRZR(1, strchr("foobar", 'z')); break; CASE_TEST(strrchr_foobar_o); EXPECT_STREQ(1, strrchr("foobar", 'o'), "obar"); break; CASE_TEST(strrchr_foobar_z); EXPECT_STRZR(1, strrchr("foobar", 'z')); break; +#ifdef NOLIBC + CASE_TEST(strlcat_0); EXPECT_STRBUFEQ(1, strlcat(buf, "bar", 0), buf, 3, "test"); break; + CASE_TEST(strlcat_1); EXPECT_STRBUFEQ(1, strlcat(buf, "bar", 1), buf, 4, "test"); break; + CASE_TEST(strlcat_5); EXPECT_STRBUFEQ(1, strlcat(buf, "bar", 5), buf, 7, "test"); break; + CASE_TEST(strlcat_6); EXPECT_STRBUFEQ(1, strlcat(buf, "bar", 6), buf, 7, "testb"); break; + CASE_TEST(strlcat_7); EXPECT_STRBUFEQ(1, strlcat(buf, "bar", 7), buf, 7, "testba"); break; + CASE_TEST(strlcat_8); EXPECT_STRBUFEQ(1, strlcat(buf, "bar", 8), buf, 7, "testbar"); break; + CASE_TEST(strlcpy_0); EXPECT_STRBUFEQ(1, strlcpy(buf, "bar", 0), buf, 3, "test"); break; + CASE_TEST(strlcpy_1); EXPECT_STRBUFEQ(1, strlcpy(buf, "bar", 1), buf, 3, ""); break; + CASE_TEST(strlcpy_2); EXPECT_STRBUFEQ(1, strlcpy(buf, "bar", 2), buf, 3, "b"); break; + CASE_TEST(strlcpy_3); EXPECT_STRBUFEQ(1, strlcpy(buf, "bar", 3), buf, 3, "ba"); break; + CASE_TEST(strlcpy_4); EXPECT_STRBUFEQ(1, strlcpy(buf, "bar", 4), buf, 3, "bar"); break; +#endif CASE_TEST(memcmp_20_20); EXPECT_EQ(1, memcmp("aaa\x20", "aaa\x20", 4), 0); break; CASE_TEST(memcmp_20_60); EXPECT_LT(1, memcmp("aaa\x20", "aaa\x60", 4), 0); break; CASE_TEST(memcmp_60_20); EXPECT_GT(1, memcmp("aaa\x60", "aaa\x20", 4), 0); break; |