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◆ main openmsx / src / unittest / join_test.cc
1.7 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "catch.hpp"
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#include "join.hh"
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#include "strCat.hh"
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#include <ranges>
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#include <string_view>
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TEST_CASE("join: vector<string_view>, char")
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{
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	auto check = [](const std::vector<std::string_view>& v, std::string_view expected) {
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		std::string result = join(v, '-');
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		CHECK(result == expected);
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	};
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	check({}, "");
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	check({""}, "");
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	check({"foo"}, "foo");
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	check({"", ""}, "-");
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	check({"foo", ""}, "foo-");
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	check({"", "foo"}, "-foo");
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	check({"foo", "bar"}, "foo-bar");
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	check({"foo", "bar", "qux"}, "foo-bar-qux");
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	check({"", "bar", "qux"}, "-bar-qux");
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	check({"foo", "bar", ""}, "foo-bar-");
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}
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TEST_CASE("join: various types")
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{
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	std::vector<std::string> vs = {"foo", "bar", "qux"};
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	std::vector<int> vi = {1, -89, 673, 0};
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	std::array ac = {"blabla", "xyz", "4567"};
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	char sep1 = '-';
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	const char* sep2 = ", ";
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	std::string sep3 = "<-->";
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	int sep4 = 123;
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	auto check = [](const auto& range, const auto& sep, std::string_view expected) {
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		std::string result1 = join(range, sep);
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		CHECK(result1 == expected);
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	};
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	check(vs, sep1, "foo-bar-qux");
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	check(vs, sep2, "foo, bar, qux");
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	check(vs, sep3, "foo<-->bar<-->qux");
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	check(vs, sep4, "foo123bar123qux");
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	check(vi, sep1, "1--89-673-0");
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	check(vi, sep2, "1, -89, 673, 0");
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	check(vi, sep3, "1<-->-89<-->673<-->0");
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	check(vi, sep4, "1123-891236731230");
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	check(ac, sep1, "blabla-xyz-4567");
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	check(ac, sep2, "blabla, xyz, 4567");
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	check(ac, sep3, "blabla<-->xyz<-->4567");
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	check(ac, sep4, "blabla123xyz1234567");
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	auto quote = [](auto& s) { return strCat('\'', s, '\''); };
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	check(std::views::transform(vs, quote), ", ", "'foo', 'bar', 'qux'");
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	check(std::views::transform(vi, quote), ", ", "'1', '-89', '673', '0'");
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	check(std::views::transform(ac, quote), ", ", "'blabla', 'xyz', '4567'");
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}