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123 lines
3.6 KiB
123 lines
3.6 KiB
#define PUT(x) std::cout << #x "=" << (x) << std::endl
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#include <mcl/conversion.hpp>
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#include <cybozu/test.hpp>
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CYBOZU_TEST_AUTO(toStr16)
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{
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const struct {
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uint32_t x[4];
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size_t n;
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const char *str;
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} tbl[] = {
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{ { 0, 0, 0, 0 }, 0, "0" },
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{ { 0x123, 0, 0, 0 }, 1, "123" },
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{ { 0x12345678, 0xaabbcc, 0, 0 }, 2, "aabbcc12345678" },
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{ { 0, 0x12, 0x234a, 0 }, 3, "234a0000001200000000" },
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{ { 1, 2, 0xffffffff, 0x123abc }, 4, "123abcffffffff0000000200000001" },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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std::string str;
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mcl::fp::toStr16(str, tbl[i].x, tbl[i].n, false);
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CYBOZU_TEST_EQUAL(str, tbl[i].str);
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mcl::fp::toStr16(str, tbl[i].x, tbl[i].n, true);
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CYBOZU_TEST_EQUAL(str, std::string("0x") + tbl[i].str);
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}
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}
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// CYBOZU_TEST_AUTO(toStr2) // QQQ
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// CYBOZU_TEST_AUTO(verifyStr) // QQQ
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CYBOZU_TEST_AUTO(fromStr16)
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{
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const struct {
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const char *str;
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uint64_t x[4];
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} tbl[] = {
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{ "0", { 0, 0, 0, 0 } },
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{ "5", { 5, 0, 0, 0 } },
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{ "123", { 0x123, 0, 0, 0 } },
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{ "123456789012345679adbc", { uint64_t(0x789012345679adbcull), 0x123456, 0, 0 } },
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{ "ffffffff26f2fc170f69466a74defd8d", { uint64_t(0x0f69466a74defd8dull), uint64_t(0xffffffff26f2fc17ull), 0, 0 } },
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{ "100000000000000000000000000000033", { uint64_t(0x0000000000000033ull), 0, 1, 0 } },
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{ "11ee12312312940000000000000000000000000002342343", { uint64_t(0x0000000002342343ull), uint64_t(0x0000000000000000ull), uint64_t(0x11ee123123129400ull), 0 } },
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{ "1234567890abcdefABCDEF123456789aba32134723424242424", { uint64_t(0x2134723424242424ull), uint64_t(0xDEF123456789aba3ull), uint64_t(0x4567890abcdefABCull), 0x123 } },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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const size_t xN = 4;
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uint64_t x[xN];
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mcl::fp::fromStr16(x, xN, tbl[i].str, strlen(tbl[i].str));
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for (size_t j = 0; j < xN; j++) {
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CYBOZU_TEST_EQUAL(x[j], tbl[i].x[j]);
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}
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}
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}
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CYBOZU_TEST_AUTO(compareArray)
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{
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const struct {
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uint32_t a[4];
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uint32_t b[4];
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size_t n;
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int expect;
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} tbl[] = {
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{ { 0, 0, 0, 0 }, { 0, 0, 0, 0 }, 0, 0 },
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{ { 1, 0, 0, 0 }, { 0, 0, 0, 0 }, 1, 1 },
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{ { 0, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, -1 },
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{ { 1, 0, 0, 0 }, { 1, 0, 0, 0 }, 1, 0 },
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{ { 3, 1, 1, 0 }, { 2, 1, 1, 0 }, 4, 1 },
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{ { 9, 2, 1, 1 }, { 1, 3, 1, 1 }, 4, -1 },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 3, 0 },
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{ { 1, 7, 8, 4 }, { 1, 7, 8, 9 }, 4, -1 },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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int e = mcl::fp::compareArray(tbl[i].a, tbl[i].b, tbl[i].n);
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CYBOZU_TEST_EQUAL(e, tbl[i].expect);
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}
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}
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struct Rand {
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std::vector<uint32_t> v;
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size_t pos;
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int count;
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void read(uint32_t *x, size_t n)
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{
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if (v.size() < pos + n) throw cybozu::Exception("Rand:get:bad n") << v.size() << pos << n;
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std::copy(v.begin() + pos, v.begin() + pos + n, x);
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pos += n;
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count++;
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}
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Rand(const uint32_t *x, size_t n)
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: pos(0)
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, count(0)
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{
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for (size_t i = 0; i < n; i++) {
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v.push_back(x[i]);
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}
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}
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};
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CYBOZU_TEST_AUTO(getRandVal)
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{
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const size_t rn = 8;
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const struct {
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uint32_t r[rn];
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uint32_t mod[2];
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size_t bitSize;
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int count;
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uint32_t expect[2];
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} tbl[] = {
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{ { 1, 2, 3, 4, 5, 6, 7, 8 }, { 5, 6 }, 64, 1, { 1, 2 } },
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{ { 0xfffffffc, 0x7, 3, 4, 5, 6, 7, 8 }, { 0xfffffffe, 0x3 }, 34, 1, { 0xfffffffc, 0x3 } },
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{ { 0xfffffffc, 0x7, 3, 4, 5, 6, 7, 8 }, { 0xfffffffb, 0x3 }, 34, 2, { 3, 0 } },
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{ { 2, 3, 5, 7, 4, 3, 0, 3 }, { 1, 0x3 }, 34, 4, { 0, 3 } },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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Rand rg(tbl[i].r, rn);
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uint32_t out[2];
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mcl::fp::getRandVal(out, rg, tbl[i].mod, tbl[i].bitSize);
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CYBOZU_TEST_EQUAL(out[0], tbl[i].expect[0]);
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CYBOZU_TEST_EQUAL(out[1], tbl[i].expect[1]);
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CYBOZU_TEST_EQUAL(rg.count, tbl[i].count);
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}
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}
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