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chunk: Add helper to copy a chunk left-padded to a certain length

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This commit is contained in:
Tobias Brunner
2019-04-24 11:40:14 +02:00
parent c92eade82c
commit a5a8f2bce2
3 changed files with 70 additions and 2 deletions
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src/libstrongswan/tests/suites/test_chunk.c
+38
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@@ -573,6 +573,40 @@ START_TEST(test_increment)
}
END_TEST
/*******************************************************************************
* chunk_copy_pad tests
*/
static struct {
size_t len;
u_char chr;
chunk_t src;
chunk_t exp;
} copy_pad_data[] = {
{0, 0x00, { NULL, 0 }, { NULL, 0 }},
{4, 0x00, { NULL, 0 }, chunk_from_chars(0x00,0x00,0x00,0x00)},
{0, 0x00, chunk_from_chars(0x01), { NULL, 0 }},
{1, 0x00, chunk_from_chars(0x01), chunk_from_chars(0x01)},
{2, 0x00, chunk_from_chars(0x01), chunk_from_chars(0x00,0x01)},
{3, 0x00, chunk_from_chars(0x01), chunk_from_chars(0x00,0x00,0x01)},
{4, 0x00, chunk_from_chars(0x01), chunk_from_chars(0x00,0x00,0x00,0x01)},
{4, 0x02, chunk_from_chars(0x01), chunk_from_chars(0x02,0x02,0x02,0x01)},
{1, 0x00, chunk_from_chars(0x01,0x02,0x03,0x04), chunk_from_chars(0x04)},
{2, 0x00, chunk_from_chars(0x01,0x02,0x03,0x04), chunk_from_chars(0x03,0x04)},
{3, 0x00, chunk_from_chars(0x01,0x02,0x03,0x04), chunk_from_chars(0x02,0x03,0x04)},
{4, 0x00, chunk_from_chars(0x01,0x02,0x03,0x04), chunk_from_chars(0x01,0x02,0x03,0x04)},
};
START_TEST(test_copy_pad)
{
chunk_t chunk;
chunk = chunk_copy_pad(chunk_alloca(copy_pad_data[_i].len),
copy_pad_data[_i].src, copy_pad_data[_i].chr);
ck_assert_chunk_eq(chunk, copy_pad_data[_i].exp);
}
END_TEST
/*******************************************************************************
* chunk_printable tests
*/
@@ -1076,6 +1110,10 @@ Suite *chunk_suite_create()
tcase_add_loop_test(tc, test_increment, 0, countof(increment_data));
suite_add_tcase(s, tc);
tc = tcase_create("chunk_copy_pad");
tcase_add_loop_test(tc, test_copy_pad, 0, countof(copy_pad_data));
suite_add_tcase(s, tc);
tc = tcase_create("chunk_printable");
tcase_add_loop_test(tc, test_printable, 0, countof(printable_data));
tcase_add_loop_test(tc, test_printable_sanitize, 0, countof(printable_data));