diff options
Diffstat (limited to 'test/gmp_test.cpp')
| -rw-r--r-- | test/gmp_test.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/gmp_test.cpp b/test/gmp_test.cpp index 22c80dd..1fe9d4e 100644 --- a/test/gmp_test.cpp +++ b/test/gmp_test.cpp @@ -21,6 +21,45 @@ CYBOZU_TEST_AUTO(testBit) } } +CYBOZU_TEST_AUTO(getStr) +{ + const struct { + int x; + const char *dec; + const char *hex; + } tbl[] = { + { 0, "0", "0" }, + { 1, "1", "1" }, + { 10, "10", "a" }, + { 16, "16", "10" }, + { 123456789, "123456789", "75bcd15" }, + { -1, "-1", "-1" }, + { -10, "-10", "-a" }, + { -16, "-16", "-10" }, + { -100000000, "-100000000", "-5f5e100" }, + { -987654321, "-987654321", "-3ade68b1" }, + { -2147483647, "-2147483647", "-7fffffff" }, + }; + for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) { + mpz_class x = tbl[i].x; + char buf[32]; + size_t n, len; + len = strlen(tbl[i].dec); + n = mcl::gmp::getStr(buf, len, x, 10); + CYBOZU_TEST_EQUAL(n, 0); + n = mcl::gmp::getStr(buf, len + 1, x, 10); + CYBOZU_TEST_EQUAL(n, len); + CYBOZU_TEST_EQUAL_ARRAY(buf, tbl[i].dec, n); + + len = strlen(tbl[i].hex); + n = mcl::gmp::getStr(buf, len, x, 16); + CYBOZU_TEST_EQUAL(n, 0); + n = mcl::gmp::getStr(buf, len + 1, x, 16); + CYBOZU_TEST_EQUAL(n, len); + CYBOZU_TEST_EQUAL_ARRAY(buf, tbl[i].hex, n); + } +} + CYBOZU_TEST_AUTO(getRandPrime) { for (int i = 0; i < 10; i++) { |