more stuff done, still not diffing

version0/test2.cpp

@@ -0,0 +1,222 @@
+#include "./text_document.hpp"
+
+#include <numeric>
+#include <optional>
+#include <random>
+#include <iostream>
+#include <cassert>
+
+// single letter agent, for testing only
+using Agent = char;
+using Doc = GreenCRDT::TextDocument<Agent>;
+using Op = GreenCRDT::TextDocument<Agent>::Op;
+using ListType = Doc::ListType;
+
+// maybe switch it up?
+using Rng = std::minstd_rand;
+
+// 10*7 -> 70 permutations , ggwp
+//               | 1add | 1del | 1rep | 2add | 2del | 2rep | random add | random del | random rep | random
+// empty doc     |      | 0    | 0    |      | 0    | 0    | x          | 0          | 0          |
+// before 1 char |      |      |      |      |      |      |            |            |            |
+// after 1 char  |      |      |      |      |      |      |            |            |            |
+// before 2 char |      |      |      |      |      |      |            |            |            |
+// in 2 char     |      |      |      |      |      |      |            |            |            |
+// after 2 char  |      |      |      |      |      |      |            |            |            |
+// random        |      |      |      |      |      |      |            |            |            |
+
+static const std::vector<char> random_chars {
+	'a', 'b', 'c', 'd', 'e',
+	'f', 'g', 'h', 'i', 'j',
+	'k', 'l', 'm', 'n', 'o',
+	'p', 'q', 'r', 's', 't',
+	'u', 'v', 'w', 'x', 'y',
+	'z',
+
+	'A', 'B', 'C', 'D', 'E',
+	'F', 'G', 'H', 'I', 'J',
+	'K', 'L', 'M', 'N', 'O',
+	'P', 'Q', 'R', 'S', 'T',
+	'U', 'V', 'W', 'X', 'Y',
+	'Z',
+};
+
+std::ostream& operator<<(std::ostream& out, const std::optional<ListType::ListID>& id) {
+	if (id.has_value()) {
+		out << id.value().id << "-" << id.value().seq;
+	} else {
+		out << "null";
+	}
+	return out;
+}
+
+std::ostream& operator<<(std::ostream& out, const ListType::OpAdd& op) {
+	out
+		<< "{ id:" << op.id.id
+		<< "-" << op.id.seq
+		<< ", v:" << op.value
+		<< ", l:" << op.parent_left
+		<< ", r:" << op.parent_right
+		<< " }"
+	;
+	return out;
+}
+
+// genX() changes doc, uses local agent
+
+Op genAdd(Rng& rng, Doc& doc) {
+	ListType::OpAdd op {
+		{doc.local_agent, 0u},
+		std::nullopt,
+		std::nullopt,
+		random_chars[rng()%random_chars.size()]
+	};
+
+	// first id is 0
+	if (doc.state.last_seen_seq.count(doc.local_agent)) {
+		op.id.seq = doc.state.last_seen_seq[doc.local_agent] + 1;
+	}
+
+	if (!doc.state.list.empty()) {
+		// gen parents
+		size_t li = rng()%(1+doc.state.list.size());
+		if (li != doc.state.list.size()) { // nullopt
+			op.parent_left = doc.state.list[li].id;
+		}
+
+		//size_t r_range = 1+doc.state.list.size();
+		//if (li != doc.state.list.size()) {
+			//r_range -= li+1;
+		//}
+		//size_t ri = rng()%r_range;
+		//if (li != doc.state.list.size()) {
+			//ri += li+1;
+		//}
+		//if (ri != doc.state.list.size()) { // nullopt
+			//op.parent_right = doc.state.list[li].id;
+		//}
+
+		if (op.parent_left.has_value()) {
+			if (doc.state.list.size() != li + 1) { // left is not last
+				op.parent_right = doc.state.list[li+1].id;
+			}
+		} else {
+			// left is before first, so right is first
+			op.parent_right = doc.state.list.front().id;
+		}
+	} // else first char, both nullopt
+
+	//std::cout << "op: " << op << "\n";
+
+	{
+		bool r = doc.state.add(op.id, op.value, op.parent_left, op.parent_right);
+		if (!r) {
+			std::cout << "op: " << op << "\n";
+		}
+		assert(r);
+	}
+
+	return op;
+}
+
+//genDel()
+//genRep()
+//genAddContRange()
+//genDelContRange()
+//genRepContRange()
+
+//genRand()
+//genRandRanges()
+std::vector<Op> genRandAll(Rng& rng, Doc& doc) {
+	switch (rng() % 1) {
+		case 0:
+			return {genAdd(rng, doc)};
+	}
+
+	return {};
+}
+
+void testEmptyDocAdds(size_t seed) {
+	Rng rng(seed);
+
+	Doc doc; // empty
+	doc.local_agent = 'A';
+
+	std::string changed_text;
+	{
+		// for modifying
+		Doc doctmp = doc;
+
+		const size_t loop_count = (rng() % 55)+1;
+		for (size_t i = 0; i < loop_count; i++) {
+			genAdd(rng, doctmp);
+		}
+
+		changed_text = doctmp.getText();
+	}
+
+	assert(doc.getText() != changed_text);
+
+	std::cout << "changed_text: " << changed_text << "\n";
+
+	doc.merge(changed_text);
+
+	assert(doc.getText() == changed_text);
+}
+
+void test1CharDocAdds(size_t seed) {
+	Rng rng(seed);
+
+	Doc doc;
+	doc.local_agent = 'A';
+
+	doc.addText(std::nullopt, std::nullopt, "0");
+
+	assert(doc.getText() == "0");
+
+	std::string changed_text;
+	{
+		// for modifying
+		Doc doctmp = doc;
+
+		const size_t loop_count = (rng() % 13)+1;
+		for (size_t i = 0; i < loop_count; i++) {
+			genAdd(rng, doctmp);
+		}
+
+		changed_text = doctmp.getText();
+	}
+
+	assert(doc.getText() != changed_text);
+
+	std::cout << "changed_text: " << changed_text << "\n";
+
+	doc.merge(changed_text);
+
+	assert(doc.getText() == changed_text);
+}
+
+int main(void) {
+	{
+		std::cout << "testEmptyDocAdds:\n";
+		for (size_t i = 0; i < 1'000; i++) {
+			std::cout << "i " << i << "\n";
+			testEmptyDocAdds(1337+i);
+			std::cout << std::string(40, '-') << "\n";
+		}
+		std::cout << std::string(40, '=') << "\n";
+	}
+
+	{
+		std::cout << "test1CharDocAdds:\n";
+		for (size_t i = 0; i < 1'000; i++) {
+			std::cout << "i " << i << "\n";
+			test1CharDocAdds(1337+i);
+			std::cout << std::string(40, '-') << "\n";
+		}
+		std::cout << std::string(40, '=') << "\n";
+	}
+
+	return 0;
+}
+