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96 lines
3.2 KiB
96 lines
3.2 KiB
#include <cybozu/test.hpp>
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#include <mcl/conversion.hpp>
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CYBOZU_TEST_AUTO(arrayToDec)
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{
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const struct {
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uint32_t x[5];
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size_t xn;
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const char *s;
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} tbl[] = {
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{ { 0, 0, 0, 0, 0 }, 1, "0" },
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{ { 9, 0, 0, 0, 0 }, 1, "9" },
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{ { 123456789, 0, 0, 0, 0 }, 1, "123456789" },
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{ { 2147483647, 0, 0, 0, 0 }, 1, "2147483647" },
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{ { 0xffffffff, 0, 0, 0, 0 }, 1, "4294967295" },
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{ { 0x540be400, 0x2, 0, 0, 0 }, 2, "10000000000" },
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{ { 0xffffffff, 0xffffffff, 0, 0, 0 }, 2, "18446744073709551615" },
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{ { 0x89e80001, 0x8ac72304, 0, 0, 0 }, 2, "10000000000000000001" },
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{ { 0xc582ca00, 0x8ac72304, 0, 0, 0 }, 2, "10000000001000000000" },
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{ { 0, 0, 1, 0, 0 }, 3, "18446744073709551616" },
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{ { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0 }, 4, "340282366920938463463374607431768211455" },
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{ { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff }, 5, "1461501637330902918203684832716283019655932542975" },
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{ { 0x3b9aca00, 0x5e3f3700, 0x1cbfa532, 0x04f6433a, 0xd83ff078 }, 5, "1234567901234560000000000000000000000001000000000" },
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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 bufSize = 128;
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char buf[bufSize] = {};
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const char *str = tbl[i].s;
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const uint32_t *x = tbl[i].x;
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const size_t strLen = strlen(str);
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size_t n = mcl::fp::arrayToDec(buf, bufSize, x, tbl[i].xn);
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CYBOZU_TEST_EQUAL(n, strLen);
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CYBOZU_TEST_EQUAL_ARRAY(buf + bufSize - n, str, n);
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const size_t maxN = 32;
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uint32_t xx[maxN] = {};
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size_t xn = mcl::fp::decToArray(xx, maxN, str, strLen);
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CYBOZU_TEST_EQUAL(xn, tbl[i].xn);
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CYBOZU_TEST_EQUAL_ARRAY(xx, x, xn);
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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 bufSize = 128;
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char buf[bufSize] = {};
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const char *str = tbl[i].s;
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const size_t strLen = strlen(str);
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uint64_t x[8] = {};
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size_t xn = (tbl[i].xn + 1) / 2;
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memcpy(x, tbl[i].x, tbl[i].xn * sizeof(uint32_t));
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size_t n = mcl::fp::arrayToDec(buf, bufSize, x, xn);
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CYBOZU_TEST_EQUAL(n, strLen);
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CYBOZU_TEST_EQUAL_ARRAY(buf + bufSize - n, str, n);
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const size_t maxN = 32;
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uint64_t xx[maxN] = {};
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size_t xxn = mcl::fp::decToArray(xx, maxN, str, strLen);
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CYBOZU_TEST_EQUAL(xxn, xn);
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CYBOZU_TEST_EQUAL_ARRAY(xx, x, xn);
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}
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}
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CYBOZU_TEST_AUTO(writeHexStr)
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{
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const char *hex1tbl = "0123456789abcdef";
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const char *hex2tbl = "0123456789ABCDEF";
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for (size_t i = 0; i < 16; i++) {
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uint8_t v = 0xff;
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CYBOZU_TEST_ASSERT(mcl::fp::local::hexCharToUint8(&v, hex1tbl[i]));
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CYBOZU_TEST_EQUAL(v, i);
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CYBOZU_TEST_ASSERT(mcl::fp::local::hexCharToUint8(&v, hex2tbl[i]));
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CYBOZU_TEST_EQUAL(v, i);
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}
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const struct Tbl {
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const char *bin;
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size_t n;
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const char *hex;
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} tbl[] = {
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{ "", 0, "" },
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{ "\x12\x34\xab", 3, "1234ab" },
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{ "\xff\xfc\x00\x12", 4, "fffc0012" },
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};
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for (size_t i = 0; i < CYBOZU_NUM_OF_ARRAY(tbl); i++) {
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char buf[32];
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cybozu::MemoryOutputStream os(buf, sizeof(buf));
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const char *bin = tbl[i].bin;
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const char *hex = tbl[i].hex;
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size_t n = tbl[i].n;
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bool b;
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mcl::fp::writeHexStr(&b, os, bin, n);
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CYBOZU_TEST_ASSERT(b);
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CYBOZU_TEST_EQUAL(os.getPos(), n * 2);
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CYBOZU_TEST_EQUAL_ARRAY(buf, hex, n * 2);
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cybozu::MemoryInputStream is(hex, n * 2);
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size_t w = mcl::fp::readHexStr(buf, n, is);
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CYBOZU_TEST_EQUAL(w, n);
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CYBOZU_TEST_EQUAL_ARRAY(buf, bin, n);
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}
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}
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