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selftests/nolibc: add a few tests for some libc functions

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The test series called "stdlib" covers some libc functions (string,
stdlib etc). By default they are automatically run after "syscall"
but may be requested in argument or in variable NOLIBC_TEST.

Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Willy Tarreau 2022-07-19 23:44:38 +02:00 • committed by Paul E. McKenney
parent b4844fa0bd
commit 95bc989488
1 changed files with 35 additions and 0 deletions
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35
tools/testing/selftests/nolibc/nolibc-test.c
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@ -496,11 +496,46 @@ int run_syscall(int min, int max)
return ret;
}
int run_stdlib(int min, int max)
{
int test;
int tmp;
int ret = 0;
void *p1, *p2;
for (test = min; test >= 0 && test <= max; test++) {
int llen = 0; // line length
/* avoid leaving empty lines below, this will insert holes into
* test numbers.
*/
switch (test + __LINE__ + 1) {
CASE_TEST(getenv_TERM); EXPECT_STRNZ(1, getenv("TERM")); break;
CASE_TEST(getenv_blah); EXPECT_STRZR(1, getenv("blah")); break;
CASE_TEST(setcmp_blah_blah); EXPECT_EQ(1, strcmp("blah", "blah"), 0); break;
CASE_TEST(setcmp_blah_blah2); EXPECT_NE(1, strcmp("blah", "blah2"), 0); break;
CASE_TEST(setncmp_blah_blah); EXPECT_EQ(1, strncmp("blah", "blah", 10), 0); break;
CASE_TEST(setncmp_blah_blah4); EXPECT_EQ(1, strncmp("blah", "blah4", 4), 0); break;
CASE_TEST(setncmp_blah_blah5); EXPECT_NE(1, strncmp("blah", "blah5", 5), 0); break;
CASE_TEST(setncmp_blah_blah6); EXPECT_NE(1, strncmp("blah", "blah6", 6), 0); break;
CASE_TEST(strchr_foobar_o); EXPECT_STREQ(1, strchr("foobar", 'o'), "oobar"); break;
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;
case __LINE__:
return ret; /* must be last */
/* note: do not set any defaults so as to permit holes above */
}
}
return ret;
}
/* This is the definition of known test names, with their functions */
static struct test test_names[] = {
/* add new tests here */
{ .name = "syscall", .func = run_syscall },
{ .name = "stdlib", .func = run_stdlib },
{ 0 }
};