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◆ main openmsx / src / unittest / ConsoleLine_test.cc
6.7 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 "ConsoleLine.hh"
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#include <algorithm>
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using namespace openmsx;
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static void invariants(const ConsoleLine& line)
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{
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	const auto& str = line.str();
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	const auto& chunks = line.getChunks();
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	CHECK(std::ranges::is_sorted(chunks, {}, &ConsoleLine::Chunk::pos));
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	if (!str.empty()) {
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		REQUIRE(!chunks.empty());
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		CHECK(chunks.front().pos == 0);
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		CHECK(chunks.back().pos <= str.size());
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	} else {
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		if (!chunks.empty()) {
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			CHECK(chunks.back().pos == 0);
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		}
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	}
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}
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static void invariants(const ConsoleLine& line1, const ConsoleLine& line2)
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{
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	invariants(line1);
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	invariants(line2);
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}
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static void isEmpty(const ConsoleLine& line)
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{
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	CHECK(line.str().empty());
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	CHECK(line.getChunks().empty());
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}
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static void checkString(const ConsoleLine& line1, const ConsoleLine& line2)
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{
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	auto full = line1.str() + line2.str();
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	CHECK(full == "abcdefghijklmnopqrstuvwxyz");
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}
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TEST_CASE("ConsoleLine")
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{
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	SECTION("empty") {
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		ConsoleLine line;
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		SECTION("at-end") {
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			auto rest = line.splitAtColumn(0);
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			invariants(line, rest);
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			isEmpty(line);
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			isEmpty(rest);
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		}
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		SECTION("past-end") {
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			auto rest = line.splitAtColumn(10);
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			invariants(line, rest);
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			isEmpty(line);
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			isEmpty(rest);
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		}
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	}
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	SECTION("single chunk") {
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		ConsoleLine line("abcdefghijklmnopqrstuvwxyz");
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		SECTION("front") {
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			auto rest = line.splitAtColumn(0);
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			invariants(line, rest);
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			checkString(line, rest);
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			isEmpty(line);
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			CHECK(rest.str().size() == 26);
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			CHECK(rest.getChunks().size() == 1);
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		}
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		SECTION("middle") {
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			auto rest = line.splitAtColumn(13);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 13);
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			CHECK(line.getChunks().size() == 1);
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			CHECK(rest.str().size() == 13);
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			CHECK(rest.getChunks().size() == 1);
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		}
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		SECTION("end") {
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			auto rest = line.splitAtColumn(26);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 26);
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			CHECK(line.getChunks().size() == 1);
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			isEmpty(rest);
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		}
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		SECTION("past") {
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			auto rest = line.splitAtColumn(40);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 26);
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			CHECK(line.getChunks().size() == 1);
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			isEmpty(rest);
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		}
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	}
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	SECTION("multiple chunks") {
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		auto col1 = static_cast<imColor>(101);
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		auto col2 = static_cast<imColor>(102);
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		auto col3 = static_cast<imColor>(103);
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		ConsoleLine line;
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		line.addChunk("abcdef",       col1); // [0..6)
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		line.addChunk("ghijklmnopqr", col2); // [6..18)
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		line.addChunk("stuvwxyz",     col3); // [16..26)
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		SECTION("front") {
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			auto rest = line.splitAtColumn(0);
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			invariants(line, rest);
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			checkString(line, rest);
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			isEmpty(line);
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			CHECK(rest.str().size() == 26);
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			CHECK(rest.getChunks().size() == 3);
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			CHECK(rest.getChunks()[0].color == col1);
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			CHECK(rest.getChunks()[0].pos == 0);
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			CHECK(rest.getChunks()[1].color == col2);
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			CHECK(rest.getChunks()[1].pos == 6);
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			CHECK(rest.getChunks()[2].color == col3);
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			CHECK(rest.getChunks()[2].pos == 18);
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		}
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		SECTION("split 1st chunk") {
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			auto rest = line.splitAtColumn(3);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 3);
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			CHECK(line.getChunks().size() == 1);
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			CHECK(line.getChunks()[0].color == col1);
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			CHECK(line.getChunks()[0].pos == 0);
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			CHECK(rest.str().size() == 23);
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			CHECK(rest.getChunks().size() == 3);
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			CHECK(rest.getChunks()[0].color == col1);
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			CHECK(rest.getChunks()[0].pos == 0);
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			CHECK(rest.getChunks()[1].color == col2);
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			CHECK(rest.getChunks()[1].pos == 3);
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			CHECK(rest.getChunks()[2].color == col3);
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			CHECK(rest.getChunks()[2].pos == 15);
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		}
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		SECTION("at 1st chunk") {
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			auto rest = line.splitAtColumn(6);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 6);
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			CHECK(line.getChunks().size() == 1);
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			CHECK(line.getChunks()[0].color == col1);
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			CHECK(line.getChunks()[0].pos == 0);
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			CHECK(rest.str().size() == 20);
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			CHECK(rest.getChunks().size() == 2);
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			CHECK(rest.getChunks()[0].color == col2);
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			CHECK(rest.getChunks()[0].pos == 0);
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			CHECK(rest.getChunks()[1].color == col3);
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			CHECK(rest.getChunks()[1].pos == 12);
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		}
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		SECTION("split 2nd chunk") {
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			auto rest = line.splitAtColumn(13);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 13);
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			CHECK(line.getChunks().size() == 2);
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			CHECK(line.getChunks()[0].color == col1);
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			CHECK(line.getChunks()[0].pos == 0);
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			CHECK(line.getChunks()[1].color == col2);
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			CHECK(line.getChunks()[1].pos == 6);
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			CHECK(rest.str().size() == 13);
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			CHECK(rest.getChunks().size() == 2);
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			CHECK(rest.getChunks()[0].color == col2);
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			CHECK(rest.getChunks()[0].pos == 0);
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			CHECK(rest.getChunks()[1].color == col3);
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			CHECK(rest.getChunks()[1].pos == 5);
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		}
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		SECTION("at 2nd chunk") {
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			auto rest = line.splitAtColumn(18);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 18);
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			CHECK(line.getChunks().size() == 2);
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			CHECK(line.getChunks()[0].color == col1);
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			CHECK(line.getChunks()[0].pos == 0);
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			CHECK(line.getChunks()[1].color == col2);
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			CHECK(line.getChunks()[1].pos == 6);
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			CHECK(rest.str().size() == 8);
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			CHECK(rest.getChunks().size() == 1);
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			CHECK(rest.getChunks()[0].color == col3);
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			CHECK(rest.getChunks()[0].pos == 0);
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		}
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		SECTION("split 3rd chunk") {
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			auto rest = line.splitAtColumn(20);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 20);
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			CHECK(line.getChunks().size() == 3);
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			CHECK(line.getChunks()[0].color == col1);
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			CHECK(line.getChunks()[0].pos == 0);
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			CHECK(line.getChunks()[1].color == col2);
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			CHECK(line.getChunks()[1].pos == 6);
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			CHECK(line.getChunks()[2].color == col3);
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			CHECK(line.getChunks()[2].pos == 18);
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			CHECK(rest.str().size() == 6);
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			CHECK(rest.getChunks().size() == 1);
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			CHECK(rest.getChunks()[0].color == col3);
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			CHECK(rest.getChunks()[0].pos == 0);
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		}
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		SECTION("at 3rd chunk") {
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			auto rest = line.splitAtColumn(26);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 26);
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			CHECK(line.getChunks().size() == 3);
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			CHECK(line.getChunks()[0].color == col1);
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			CHECK(line.getChunks()[0].pos == 0);
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			CHECK(line.getChunks()[1].color == col2);
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			CHECK(line.getChunks()[1].pos == 6);
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			CHECK(line.getChunks()[2].color == col3);
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			CHECK(line.getChunks()[2].pos == 18);
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			isEmpty(rest);
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		}
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		SECTION("past end") {
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			auto rest = line.splitAtColumn(40);
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			invariants(line, rest);
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			checkString(line, rest);
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			CHECK(line.str().size() == 26);
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			CHECK(line.getChunks().size() == 3);
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			CHECK(line.getChunks()[0].color == col1);
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			CHECK(line.getChunks()[0].pos == 0);
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			CHECK(line.getChunks()[1].color == col2);
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			CHECK(line.getChunks()[1].pos == 6);
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			CHECK(line.getChunks()[2].color == col3);
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			CHECK(line.getChunks()[2].pos == 18);
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			isEmpty(rest);
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		}
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	}
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}