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Diffstat (limited to '')
| -rw-r--r-- | regress/unittests/bitmap/tests.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/regress/unittests/bitmap/tests.c b/regress/unittests/bitmap/tests.c new file mode 100644 index 0000000..576b863 --- /dev/null +++ b/regress/unittests/bitmap/tests.c @@ -0,0 +1,138 @@ +/* $OpenBSD: tests.c,v 1.2 2021/12/14 21:25:27 deraadt Exp $ */ +/* + * Regress test for bitmap.h bitmap API + * + * Placed in the public domain + */ + +#include "includes.h" + +#include <sys/types.h> +#include <stdio.h> +#ifdef HAVE_STDINT_H +#include <stdint.h> +#endif +#include <stdlib.h> +#include <string.h> + +#ifdef WITH_OPENSSL +#include <openssl/bn.h> +#endif + +#include "../test_helper/test_helper.h" + +#include "bitmap.h" + +#define NTESTS 131 + +void +tests(void) +{ +#ifdef WITH_OPENSSL + struct bitmap *b; + BIGNUM *bn; + size_t len; + int i, j, k, n; + u_char bbuf[1024], bnbuf[1024]; + int r; + + TEST_START("bitmap_new"); + b = bitmap_new(); + ASSERT_PTR_NE(b, NULL); + bn = BN_new(); + ASSERT_PTR_NE(bn, NULL); + TEST_DONE(); + + TEST_START("bitmap_set_bit / bitmap_test_bit"); + for (i = -1; i < NTESTS; i++) { + for (j = -1; j < NTESTS; j++) { + for (k = -1; k < NTESTS; k++) { + bitmap_zero(b); + BN_clear(bn); + + test_subtest_info("set %d/%d/%d", i, j, k); + /* Set bits */ + if (i >= 0) { + ASSERT_INT_EQ(bitmap_set_bit(b, i), 0); + ASSERT_INT_EQ(BN_set_bit(bn, i), 1); + } + if (j >= 0) { + ASSERT_INT_EQ(bitmap_set_bit(b, j), 0); + ASSERT_INT_EQ(BN_set_bit(bn, j), 1); + } + if (k >= 0) { + ASSERT_INT_EQ(bitmap_set_bit(b, k), 0); + ASSERT_INT_EQ(BN_set_bit(bn, k), 1); + } + + /* Check perfect match between bitmap and bn */ + test_subtest_info("match %d/%d/%d", i, j, k); + for (n = 0; n < NTESTS; n++) { + ASSERT_INT_EQ(BN_is_bit_set(bn, n), + bitmap_test_bit(b, n)); + } + + /* Test length calculations */ + test_subtest_info("length %d/%d/%d", i, j, k); + ASSERT_INT_EQ(BN_num_bits(bn), + (int)bitmap_nbits(b)); + ASSERT_INT_EQ(BN_num_bytes(bn), + (int)bitmap_nbytes(b)); + + /* Test serialisation */ + test_subtest_info("serialise %d/%d/%d", + i, j, k); + len = bitmap_nbytes(b); + memset(bbuf, 0xfc, sizeof(bbuf)); + ASSERT_INT_EQ(bitmap_to_string(b, bbuf, + sizeof(bbuf)), 0); + for (n = len; n < (int)sizeof(bbuf); n++) + ASSERT_U8_EQ(bbuf[n], 0xfc); + r = BN_bn2bin(bn, bnbuf); + ASSERT_INT_GE(r, 0); + ASSERT_INT_EQ(r, (int)len); + ASSERT_MEM_EQ(bbuf, bnbuf, len); + + /* Test deserialisation */ + test_subtest_info("deserialise %d/%d/%d", + i, j, k); + bitmap_zero(b); + ASSERT_INT_EQ(bitmap_from_string(b, bnbuf, + len), 0); + for (n = 0; n < NTESTS; n++) { + ASSERT_INT_EQ(BN_is_bit_set(bn, n), + bitmap_test_bit(b, n)); + } + + /* Test clearing bits */ + test_subtest_info("clear %d/%d/%d", + i, j, k); + for (n = 0; n < NTESTS; n++) { + ASSERT_INT_EQ(bitmap_set_bit(b, n), 0); + ASSERT_INT_EQ(BN_set_bit(bn, n), 1); + } + if (i >= 0) { + bitmap_clear_bit(b, i); + BN_clear_bit(bn, i); + } + if (j >= 0) { + bitmap_clear_bit(b, j); + BN_clear_bit(bn, j); + } + if (k >= 0) { + bitmap_clear_bit(b, k); + BN_clear_bit(bn, k); + } + for (n = 0; n < NTESTS; n++) { + ASSERT_INT_EQ(BN_is_bit_set(bn, n), + bitmap_test_bit(b, n)); + } + } + } + } + bitmap_free(b); + BN_free(bn); + TEST_DONE(); +#endif +} + |