mirror of
https://github.com/zerotier/ZeroTierOne.git
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115 lines
3.1 KiB
C++
115 lines
3.1 KiB
C++
#include "../test_helpers.hxx"
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#include "pqxx/internal/encodings.hxx"
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namespace
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{
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void test_scan_ascii()
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{
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auto const scan{pqxx::internal::get_glyph_scanner(
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pqxx::internal::encoding_group::MONOBYTE)};
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std::string const text{"hello"};
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PQXX_CHECK_EQUAL(
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scan(text.c_str(), std::size(text), 0), 1ul,
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"Monobyte scanner acting up.");
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PQXX_CHECK_EQUAL(
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scan(text.c_str(), std::size(text), 1), 2ul,
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"Monobyte scanner is inconsistent.");
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}
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void test_scan_utf8()
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{
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auto const scan{
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pqxx::internal::get_glyph_scanner(pqxx::internal::encoding_group::UTF8)};
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// Thai: "Khrab".
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std::string const text{"\xe0\xb8\x95\xe0\xb8\xa3\xe0\xb8\xb1\xe0\xb8\x9a"};
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PQXX_CHECK_EQUAL(
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scan(text.c_str(), std::size(text), 0), 3ul,
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"UTF-8 scanner mis-scanned Thai khor khwai.");
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PQXX_CHECK_EQUAL(
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scan(text.c_str(), std::size(text), 3), 6ul,
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"UTF-8 scanner mis-scanned Thai ror reua.");
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}
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void test_for_glyphs_empty()
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{
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bool iterated{false};
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pqxx::internal::for_glyphs(
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pqxx::internal::encoding_group::MONOBYTE,
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[&iterated](char const *, char const *) { iterated = true; }, "", 0);
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PQXX_CHECK(!iterated, "Empty string went through an iteration.");
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}
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void test_for_glyphs_ascii()
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{
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std::string const text{"hi"};
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std::vector<std::ptrdiff_t> points;
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pqxx::internal::for_glyphs(
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pqxx::internal::encoding_group::UTF8,
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[&points](char const *gbegin, char const *gend) {
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points.push_back(gend - gbegin);
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},
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text.c_str(), std::size(text));
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PQXX_CHECK_EQUAL(std::size(points), 2u, "Wrong number of ASCII iterations.");
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PQXX_CHECK_EQUAL(points[0], 1u, "ASCII iteration started off wrong.");
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PQXX_CHECK_EQUAL(points[1], 1u, "ASCII iteration was inconsistent.");
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}
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void test_for_glyphs_utf8()
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{
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// Greek: alpha omega.
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std::string const text{"\xce\x91\xce\xa9"};
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std::vector<std::ptrdiff_t> points;
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pqxx::internal::for_glyphs(
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pqxx::internal::encoding_group::UTF8,
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[&points](char const *gbegin, char const *gend) {
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points.push_back(gend - gbegin);
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},
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text.c_str(), std::size(text));
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PQXX_CHECK_EQUAL(std::size(points), 2u, "Wrong number of UTF-8 iterations.");
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PQXX_CHECK_EQUAL(points[0], 2u, "UTF-8 iteration started off wrong.");
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PQXX_CHECK_EQUAL(points[1], 2u, "ASCII iteration was inconsistent.");
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// Greek lambda, ASCII plus sign, Old Persian Gu.
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std::string const mix{"\xce\xbb+\xf0\x90\x8e\xa6"};
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points.clear();
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pqxx::internal::for_glyphs(
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pqxx::internal::encoding_group::UTF8,
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[&points](char const *gbegin, char const *gend) {
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points.push_back(gend - gbegin);
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},
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mix.c_str(), std::size(mix));
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PQXX_CHECK_EQUAL(std::size(points), 3u, "Mixed UTF-8 iteration is broken.");
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PQXX_CHECK_EQUAL(points[0], 2u, "Mixed UTF-8 iteration started off wrong.");
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PQXX_CHECK_EQUAL(points[1], 1u, "Mixed UTF-8 iteration got ASCII wrong.");
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PQXX_CHECK_EQUAL(
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points[2], 4u, "Mixed UTF-8 iteration got long char wrong.");
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}
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void test_encodings()
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{
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test_scan_ascii();
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test_scan_utf8();
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test_for_glyphs_empty();
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test_for_glyphs_ascii();
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test_for_glyphs_utf8();
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}
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PQXX_REGISTER_TEST(test_encodings);
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} // namespace
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