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https://github.com/m5stack/M5Utility.git
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GOB
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
/*
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* SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
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*
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* SPDX-License-Identifier: MIT
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*/
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/*
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UnitTest for M5Utility
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*/
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#ifndef TEST_HELPER_HPP
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#define TEST_HELPER_HPP
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#include <vector>
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#include <array>
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#include <string>
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#include <cstdint>
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// catch2 STATIC_REQUIRE
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#define STATIC_EXPECT_TRUE(constexpr_cond) \
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do { \
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static_assert((constexpr_cond), "Occurrence of compile-time assertion"); \
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} while (0)
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namespace test_helper {
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//! @brief Convert hex string to byte vector
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inline std::vector<uint8_t> hex_to_bytes(const std::string& hex)
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{
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std::vector<uint8_t> out;
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out.reserve(hex.size() / 2);
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for (size_t i = 0; i + 1 < hex.size(); i += 2) {
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auto h1 = hex[i];
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auto h2 = hex[i + 1];
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auto cvt = [](char c) -> int {
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if ('0' <= c && c <= '9') return c - '0';
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if ('a' <= c && c <= 'f') return 10 + (c - 'a');
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if ('A' <= c && c <= 'F') return 10 + (c - 'A');
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return 0;
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};
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out.push_back(static_cast<uint8_t>((cvt(h1) << 4) | cvt(h2)));
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}
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return out;
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}
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//! @brief Convert hex string to fixed-size array
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template <size_t N>
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inline std::array<uint8_t, N> hex_to_array(const std::string& hex)
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{
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auto v = hex_to_bytes(hex);
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std::array<uint8_t, N> a{};
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if (v.size() >= N) {
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std::copy(v.begin(), v.begin() + N, a.begin());
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} else {
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std::copy(v.begin(), v.end(), a.begin());
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}
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return a;
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}
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//! @brief Convert bytes to hex string for debug output
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inline std::string bytes_to_hex(const uint8_t* data, size_t len)
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{
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static const char hex_chars[] = "0123456789ABCDEF";
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std::string result;
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result.reserve(len * 2);
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for (size_t i = 0; i < len; ++i) {
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result.push_back(hex_chars[(data[i] >> 4) & 0x0F]);
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result.push_back(hex_chars[data[i] & 0x0F]);
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}
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return result;
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}
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} // namespace test_helper
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#endif
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