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87 lines
2.4 KiB
C++
87 lines
2.4 KiB
C++
/**
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* This file is part of osm2pgsql (https://osm2pgsql.org/).
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*
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* Copyright (C) 2006-2025 by the osm2pgsql developer community.
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* For a full list of authors see the git log.
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*/
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#include <catch.hpp>
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#include "hex.hpp"
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#include <string>
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TEST_CASE("hex encode a string", "[NoDB]")
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{
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std::string result;
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util::encode_hex("ab~", &result);
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REQUIRE(result.size() == 6);
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REQUIRE(result == "61627E");
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}
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TEST_CASE("hex encode a string adding to existing string", "[NoDB]")
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{
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std::string result{"0x"};
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util::encode_hex("\xca\xfe", &result);
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REQUIRE(result.size() == 6);
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REQUIRE(result == "0xCAFE");
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}
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TEST_CASE("hex encoding an empty string doesn't change output string", "[NoDB]")
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{
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std::string result{"foo"};
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util::encode_hex("", &result);
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REQUIRE(result == "foo");
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}
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TEST_CASE("wkb hex decode of valid and invalid hex characters")
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{
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REQUIRE(util::decode_hex_char('0') == 0);
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REQUIRE(util::decode_hex_char('9') == 9);
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REQUIRE(util::decode_hex_char('a') == 0x0a);
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REQUIRE(util::decode_hex_char('f') == 0x0f);
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REQUIRE(util::decode_hex_char('A') == 0x0a);
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REQUIRE(util::decode_hex_char('F') == 0x0f);
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REQUIRE(util::decode_hex_char('#') == 0);
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REQUIRE(util::decode_hex_char('@') == 0);
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REQUIRE(util::decode_hex_char('g') == 0);
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REQUIRE(util::decode_hex_char('G') == 0);
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REQUIRE(util::decode_hex_char(0x7f) == 0);
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}
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TEST_CASE("wkb hex decode of valid hex string")
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{
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std::string const hex{"0001020F1099FF"};
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std::string const data = {0x00,
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0x01,
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0x02,
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0x0f,
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0x10,
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static_cast<char>(0x99),
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static_cast<char>(0xff)};
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auto const result = util::decode_hex(hex);
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REQUIRE(result.size() == hex.size() / 2);
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REQUIRE(result == data);
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}
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TEST_CASE("wkb hex decode of empty string is okay")
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{
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std::string const hex{};
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REQUIRE(util::decode_hex(hex).empty());
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}
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TEST_CASE("wkb hex decode of string with odd number of characters fails")
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{
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REQUIRE_THROWS(util::decode_hex("a"));
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REQUIRE_THROWS(util::decode_hex("abc"));
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REQUIRE_THROWS(util::decode_hex("00000"));
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}
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TEST_CASE("hex encode and decode") {
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std::string const str{"something somewhere"};
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REQUIRE(util::decode_hex(util::encode_hex(str)) == str);
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}
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