109 lines
3.3 KiB
C++
109 lines
3.3 KiB
C++
#include <map>
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#include <gtest/gtest.h>
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#include "uint256_t.h"
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static const std::map <uint32_t, std::string> tests = {
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std::make_pair(2, "10000100000101011000010101101100"),
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std::make_pair(3, "12201102210121112101"),
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std::make_pair(4, "2010011120111230"),
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std::make_pair(5, "14014244043144"),
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std::make_pair(6, "1003520344444"),
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std::make_pair(7, "105625466632"),
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std::make_pair(8, "20405302554"),
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std::make_pair(9, "5642717471"),
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std::make_pair(10, "2216002924"),
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std::make_pair(11, "a3796a883"),
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std::make_pair(12, "51a175124"),
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std::make_pair(13, "294145645"),
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std::make_pair(14, "170445352"),
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std::make_pair(15, "ce82d6d4"),
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std::make_pair(16, "8415856c"),
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std::make_pair(17, "56dc4e33"),
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std::make_pair(18, "3b2db13a"),
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std::make_pair(19, "291i3b4g"),
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std::make_pair(20, "1eca0764"),
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std::make_pair(21, "14hc96jg"),
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std::make_pair(22, "jblga9e"),
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std::make_pair(23, "em6i5a5"),
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std::make_pair(24, "be75374"),
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std::make_pair(25, "91mo4go"),
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std::make_pair(26, "74d74li"),
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std::make_pair(27, "5jblgea"),
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std::make_pair(28, "4gl7i9g"),
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std::make_pair(29, "3l13lor"),
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std::make_pair(30, "315o5e4"),
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std::make_pair(31, "2fcfub9"),
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std::make_pair(32, "221b1bc"),
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std::make_pair(33, "1nkji2p"),
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std::make_pair(34, "1eq93ik"),
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std::make_pair(35, "176p6y9"),
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std::make_pair(36, "10ncmss")
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// std::make_pair(256, "uint256_t"),
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};
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TEST(Function, str){
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// number of leading 0s
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const std::string::size_type leading = 5;
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// make sure all of the test strings create the ASCII version of the string
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const uint256_t original(2216002924);
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for(std::pair <uint32_t const, std::string> t : tests){
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EXPECT_EQ(original.str(t.first), t.second);
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}
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// add leading zeros
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for(uint32_t base = 2; base <= 36; base++){
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EXPECT_EQ(original.str(base, tests.at(base).size() + leading), std::string(leading, '0') + tests.at(base));
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}
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}
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TEST(Function, export_bits){
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const uint64_t u64 = 0x0123456789abcdefULL;
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const uint256_t value = u64;
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EXPECT_EQ(value, u64);
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const std::vector<uint8_t> full = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef
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};
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EXPECT_EQ(value.export_bits(), full);
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}
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TEST(Function, export_bits_truncated){
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const uint64_t u64 = 0x0123456789abcdefULL;
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const uint256_t value = u64;
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EXPECT_EQ(value, u64);
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const std::vector<uint8_t> truncated = {
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0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef
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};
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EXPECT_EQ(value.export_bits_truncate(), truncated);
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}
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TEST(External, ostream){
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const uint256_t value(0xfedcba9876543210ULL);
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// write out octal uint256_t
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std::stringstream oct; oct << std::oct << value;
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EXPECT_EQ(oct.str(), "1773345651416625031020");
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// write out decimal uint256_t
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std::stringstream dec; dec << std::dec << value;
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EXPECT_EQ(dec.str(), "18364758544493064720");
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// write out hexadecimal uint256_t
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std::stringstream hex; hex << std::hex << value;
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EXPECT_EQ(hex.str(), "fedcba9876543210");
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// zero
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std::stringstream zero; zero << uint256_t();
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EXPECT_EQ(zero.str(), "0");
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}
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