diff options
Diffstat (limited to 'src/tests/test_bigint.cpp')
| -rw-r--r-- | src/tests/test_bigint.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/tests/test_bigint.cpp b/src/tests/test_bigint.cpp index 6f3d603db..cee7b5b8b 100644 --- a/src/tests/test_bigint.cpp +++ b/src/tests/test_bigint.cpp @@ -30,6 +30,7 @@ class BigInt_Unit_Tests : public Test results.push_back(test_bigint_sizes()); results.push_back(test_random_integer()); + results.push_back(test_encode()); return results; } @@ -143,6 +144,32 @@ class BigInt_Unit_Tests : public Test return result; } + + Test::Result test_encode() + { + Test::Result result("BigInt encoding functions"); + + const BigInt n1(0xffff); + const BigInt n2(1023); + + Botan::secure_vector<byte> encoded_n1 = BigInt::encode_1363(n1, 256); + Botan::secure_vector<byte> encoded_n2 = BigInt::encode_1363(n2, 256); + Botan::secure_vector<byte> expected = encoded_n1; + expected += encoded_n2; + + Botan::secure_vector<byte> encoded_n1_n2 = BigInt::encode_fixed_length_int_pair(n1, n2, 256); + result.test_eq("encode_fixed_length_int_pair", encoded_n1_n2, expected); + + for (size_t i = 0; i < 256 - n1.bytes(); ++i) + { + if ( encoded_n1[i] != 0 ) + { + result.test_failure("encode_1363", "no zero byte"); + } + } + + return result; + } }; BOTAN_REGISTER_TEST("bigint_unit", BigInt_Unit_Tests); |