diff options
Diffstat (limited to 'src/tests/test_utils.cpp')
| -rw-r--r-- | src/tests/test_utils.cpp | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/src/tests/test_utils.cpp b/src/tests/test_utils.cpp index 6708524b4..485d72a2a 100644 --- a/src/tests/test_utils.cpp +++ b/src/tests/test_utils.cpp @@ -1,5 +1,5 @@ /* -* (C) 2015 Jack Lloyd +* (C) 2015,2018 Jack Lloyd * (C) 2016 Daniel Neus, Rohde & Schwarz Cybersecurity * (C) 2017 René Korthaus, Rohde & Schwarz Cybersecurity * @@ -15,6 +15,7 @@ #include <botan/calendar.h> #include <botan/internal/rounding.h> #include <botan/internal/ct_utils.h> +#include <botan/internal/bit_ops.h> #include <botan/charset.h> #include <botan/parsing.h> #include <botan/version.h> @@ -236,6 +237,51 @@ class CT_Mask_Tests final : public Test BOTAN_REGISTER_TEST("ct_utils", CT_Mask_Tests); +class BitOps_Tests final : public Test + { + public: + std::vector<Test::Result> run() override + { + std::vector<Test::Result> results; + + results.push_back(test_power_of_2()); + + return results; + } + private: + template<typename T> + void test_power_of_2(Test::Result& result, T val, bool expected) + { + result.test_eq("power_of_2(" + std::to_string(val) + ")", Botan::is_power_of_2<T>(val), expected); + } + + Test::Result test_power_of_2() + { + Test::Result result("is_power_of_2"); + + test_power_of_2<uint32_t>(result, 0, false); + test_power_of_2<uint32_t>(result, 1, false); + test_power_of_2<uint32_t>(result, 2, true); + test_power_of_2<uint32_t>(result, 3, false); + test_power_of_2<uint32_t>(result, 0x8000, true); + test_power_of_2<uint32_t>(result, 0x8001, false); + test_power_of_2<uint32_t>(result, 0x8000000, true); + + test_power_of_2<uint64_t>(result, 0, false); + test_power_of_2<uint64_t>(result, 1, false); + test_power_of_2<uint64_t>(result, 2, true); + test_power_of_2<uint64_t>(result, 3, false); + test_power_of_2<uint64_t>(result, 0x8000, true); + test_power_of_2<uint64_t>(result, 0x8001, false); + test_power_of_2<uint64_t>(result, 0x8000000, true); + test_power_of_2<uint64_t>(result, 0x100000000000, true); + + return result; + } + }; + +BOTAN_REGISTER_TEST("bit_ops", BitOps_Tests); + #if defined(BOTAN_HAS_POLY_DBL) class Poly_Double_Tests final : public Text_Based_Test |