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authorKees Cook <keescook@chromium.org>2024-04-24 09:01:30 -0700
committerKees Cook <keescook@chromium.org>2024-04-24 09:02:34 -0700
commitc01c41e5009c04515d81a87f6278c413914920ce (patch)
treefb0db0ba6bcc2a5f24246c39ff20ad83ca47b1c1 /lib/memcpy_kunit.c
parent0efc5990bca540b8d438fda23db3a72efa733eb0 (diff)
string_kunit: Move strtomem KUnit test to string_kunit.c
It is more logical to have the strtomem() test in string_kunit.c instead of the memcpy() suite. Move it to live with memtostr(). Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'lib/memcpy_kunit.c')
-rw-r--r--lib/memcpy_kunit.c53
1 files changed, 0 insertions, 53 deletions
diff --git a/lib/memcpy_kunit.c b/lib/memcpy_kunit.c
index fd16e6ce53d1..20ea9038c3ff 100644
--- a/lib/memcpy_kunit.c
+++ b/lib/memcpy_kunit.c
@@ -493,58 +493,6 @@ static void memmove_overlap_test(struct kunit *test)
}
}
-static void strtomem_test(struct kunit *test)
-{
- static const char input[sizeof(unsigned long)] = "hi";
- static const char truncate[] = "this is too long";
- struct {
- unsigned long canary1;
- unsigned char output[sizeof(unsigned long)] __nonstring;
- unsigned long canary2;
- } wrap;
-
- memset(&wrap, 0xFF, sizeof(wrap));
- KUNIT_EXPECT_EQ_MSG(test, wrap.canary1, ULONG_MAX,
- "bad initial canary value");
- KUNIT_EXPECT_EQ_MSG(test, wrap.canary2, ULONG_MAX,
- "bad initial canary value");
-
- /* Check unpadded copy leaves surroundings untouched. */
- strtomem(wrap.output, input);
- KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);
- KUNIT_EXPECT_EQ(test, wrap.output[0], input[0]);
- KUNIT_EXPECT_EQ(test, wrap.output[1], input[1]);
- for (size_t i = 2; i < sizeof(wrap.output); i++)
- KUNIT_EXPECT_EQ(test, wrap.output[i], 0xFF);
- KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);
-
- /* Check truncated copy leaves surroundings untouched. */
- memset(&wrap, 0xFF, sizeof(wrap));
- strtomem(wrap.output, truncate);
- KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);
- for (size_t i = 0; i < sizeof(wrap.output); i++)
- KUNIT_EXPECT_EQ(test, wrap.output[i], truncate[i]);
- KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);
-
- /* Check padded copy leaves only string padded. */
- memset(&wrap, 0xFF, sizeof(wrap));
- strtomem_pad(wrap.output, input, 0xAA);
- KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);
- KUNIT_EXPECT_EQ(test, wrap.output[0], input[0]);
- KUNIT_EXPECT_EQ(test, wrap.output[1], input[1]);
- for (size_t i = 2; i < sizeof(wrap.output); i++)
- KUNIT_EXPECT_EQ(test, wrap.output[i], 0xAA);
- KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);
-
- /* Check truncated padded copy has no padding. */
- memset(&wrap, 0xFF, sizeof(wrap));
- strtomem(wrap.output, truncate);
- KUNIT_EXPECT_EQ(test, wrap.canary1, ULONG_MAX);
- for (size_t i = 0; i < sizeof(wrap.output); i++)
- KUNIT_EXPECT_EQ(test, wrap.output[i], truncate[i]);
- KUNIT_EXPECT_EQ(test, wrap.canary2, ULONG_MAX);
-}
-
static struct kunit_case memcpy_test_cases[] = {
KUNIT_CASE(memset_test),
KUNIT_CASE(memcpy_test),
@@ -552,7 +500,6 @@ static struct kunit_case memcpy_test_cases[] = {
KUNIT_CASE_SLOW(memmove_test),
KUNIT_CASE_SLOW(memmove_large_test),
KUNIT_CASE_SLOW(memmove_overlap_test),
- KUNIT_CASE(strtomem_test),
{}
};