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test: add a test for sign extend

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Add tests for the sign extend functions.

Signed-off-by: Fabio Baltieri <fabiobaltieri@google.com>
This commit is contained in:
Fabio Baltieri 2024-02-09 23:32:54 +00:00 committed by Fabio Baltieri
parent 5bb9b129de
commit 9e1eec9ced
1 changed files with 41 additions and 0 deletions
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41
tests/unit/util/main.c
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@ -64,6 +64,47 @@ ZTEST(util, test_u8_to_dec) {
"Length of converted value using 0 byte buffer isn't 0");
}
ZTEST(util, test_sign_extend) {
uint8_t u8;
uint16_t u16;
uint32_t u32;
u8 = 0x0f;
zassert_equal(sign_extend(u8, 3), -1);
zassert_equal(sign_extend(u8, 4), 0xf);
u16 = 0xfff;
zassert_equal(sign_extend(u16, 11), -1);
zassert_equal(sign_extend(u16, 12), 0xfff);
u32 = 0xfffffff;
zassert_equal(sign_extend(u32, 27), -1);
zassert_equal(sign_extend(u32, 28), 0xfffffff);
}
ZTEST(util, test_sign_extend_64) {
uint8_t u8;
uint16_t u16;
uint32_t u32;
uint64_t u64;
u8 = 0x0f;
zassert_equal(sign_extend_64(u8, 3), -1);
zassert_equal(sign_extend_64(u8, 4), 0xf);
u16 = 0xfff;
zassert_equal(sign_extend_64(u16, 11), -1);
zassert_equal(sign_extend_64(u16, 12), 0xfff);
u32 = 0xfffffff;
zassert_equal(sign_extend_64(u32, 27), -1);
zassert_equal(sign_extend_64(u32, 28), 0xfffffff);
u64 = 0xfffffffffffffff;
zassert_equal(sign_extend_64(u64, 59), -1);
zassert_equal(sign_extend_64(u64, 60), 0xfffffffffffffff);
}
ZTEST(util, test_COND_CODE_1) {
#define TEST_DEFINE_1 1
#define TEST_DEFINE_0 0