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add pippenger unit tests

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moneromooo-monero 2018-05-29 12:38:21 +01:00
parent b17b8db3f5
commit 51eb3bdcd6
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1 changed files with 55 additions and 0 deletions
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55
tests/unit_tests/multiexp.cpp
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@ -74,6 +74,13 @@ TEST(multiexp, straus_empty)
ASSERT_TRUE(basic(data) == straus(data)); ASSERT_TRUE(basic(data) == straus(data));
} }
TEST(multiexp, pippenger_empty)
{
std::vector<rct::MultiexpData> data;
data.push_back({rct::zero(), get_p3(rct::identity())});
ASSERT_TRUE(basic(data) == pippenger(data));
}
TEST(multiexp, bos_coster_only_zeroes) TEST(multiexp, bos_coster_only_zeroes)
{ {
std::vector<rct::MultiexpData> data; std::vector<rct::MultiexpData> data;
@ -90,6 +97,14 @@ TEST(multiexp, straus_only_zeroes)
ASSERT_TRUE(basic(data) == straus(data)); ASSERT_TRUE(basic(data) == straus(data));
} }
TEST(multiexp, pippenger_only_zeroes)
{
std::vector<rct::MultiexpData> data;
for (int n = 0; n < 16; ++n)
data.push_back({rct::zero(), get_p3(TESTPOINT)});
ASSERT_TRUE(basic(data) == pippenger(data));
}
TEST(multiexp, bos_coster_only_identities) TEST(multiexp, bos_coster_only_identities)
{ {
std::vector<rct::MultiexpData> data; std::vector<rct::MultiexpData> data;
@ -106,6 +121,14 @@ TEST(multiexp, straus_only_identities)
ASSERT_TRUE(basic(data) == straus(data)); ASSERT_TRUE(basic(data) == straus(data));
} }
TEST(multiexp, pippenger_only_identities)
{
std::vector<rct::MultiexpData> data;
for (int n = 0; n < 16; ++n)
data.push_back({TESTSCALAR, get_p3(rct::identity())});
ASSERT_TRUE(basic(data) == pippenger(data));
}
TEST(multiexp, bos_coster_random) TEST(multiexp, bos_coster_random)
{ {
std::vector<rct::MultiexpData> data; std::vector<rct::MultiexpData> data;
@ -126,6 +149,16 @@ TEST(multiexp, straus_random)
} }
} }
TEST(multiexp, pippenger_random)
{
std::vector<rct::MultiexpData> data;
for (int n = 0; n < 32; ++n)
{
data.push_back({rct::skGen(), get_p3(rct::scalarmultBase(rct::skGen()))});
ASSERT_TRUE(basic(data) == pippenger(data));
}
}
TEST(multiexp, straus_cached) TEST(multiexp, straus_cached)
{ {
static constexpr size_t N = 256; static constexpr size_t N = 256;
@ -147,3 +180,25 @@ TEST(multiexp, straus_cached)
ASSERT_TRUE(basic(data) == straus(data, cache)); ASSERT_TRUE(basic(data) == straus(data, cache));
} }
} }
TEST(multiexp, pippenger_cached)
{
static constexpr size_t N = 256;
std::vector<rct::MultiexpData> P(N);
for (size_t n = 0; n < N; ++n)
{
P[n].scalar = rct::zero();
ASSERT_TRUE(ge_frombytes_vartime(&P[n].point, rct::scalarmultBase(rct::skGen()).bytes) == 0);
}
std::shared_ptr<rct::pippenger_cached_data> cache = rct::pippenger_init_cache(P);
for (size_t n = 0; n < N/16; ++n)
{
std::vector<rct::MultiexpData> data;
size_t sz = 1 + crypto::rand<size_t>() % (N-1);
for (size_t s = 0; s < sz; ++s)
{
data.push_back({rct::skGen(), P[s].point});
}
ASSERT_TRUE(basic(data) == pippenger(data, cache));
}
}