diff options
Diffstat (limited to 'src/tests/test_mp.cpp')
| -rw-r--r-- | src/tests/test_mp.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/src/tests/test_mp.cpp b/src/tests/test_mp.cpp index b52d93406..cbaf465a4 100644 --- a/src/tests/test_mp.cpp +++ b/src/tests/test_mp.cpp @@ -26,6 +26,7 @@ class MP_Unit_Tests : public Test results.push_back(test_cnd_swap()); results.push_back(test_cnd_add()); results.push_back(test_cnd_sub()); + results.push_back(test_cnd_abs()); return results; } @@ -75,6 +76,37 @@ class MP_Unit_Tests : public Test return result; } + Result test_cnd_abs() + { + Result result("bigint_cnd_abs"); + + using namespace Botan; + + word x1 = MP_WORD_MAX; + bigint_cnd_abs(1, &x1, 1); + result.test_int_eq(x1, 1, "Abs"); + + x1 = 0; + bigint_cnd_abs(1, &x1, 1); + result.test_int_eq(x1, 0, "Abs"); + + x1 = 1; + bigint_cnd_abs(1, &x1, 1); + result.test_int_eq(x1, MP_WORD_MAX, "Abs"); + + x1 = 1; + bigint_cnd_abs(0, &x1, 1); + result.test_int_eq(x1, 1, "No change"); + + word x2[2] = { MP_WORD_MAX, MP_WORD_MAX }; + + bigint_cnd_abs(1, x2, 2); + result.test_int_eq(x2[0], 1, "Abs"); + result.test_int_eq(x2[1], 0, "Abs"); + + return result; + } + Result test_cnd_swap() { Result result("bigint_cnd_swap"); |