702 lines
15 KiB
C++
702 lines
15 KiB
C++
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#include <green_crdt/v3/text_document.hpp>
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#include <numeric>
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#include <optional>
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#include <random>
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#include <iostream>
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#include <cassert>
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#include <variant>
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// single letter agent, for testing only
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using Agent = std::string;
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using Doc = GreenCRDT::V3::TextDocument<Agent>;
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using Op = Doc::Op;
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using ListType = Doc::ListType;
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// maybe switch it up?
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//using Rng = std::minstd_rand;
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//using Rng = std::mt19937;
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using Rng = std::ranlux24_base;
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// 10*7 -> 70 permutations , ggwp
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// | 1add | 1del | 1rep | 2add | 2del | 2rep | random add | random del | random rep | random
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// empty doc | | 0 | 0 | | 0 | 0 | x | 0 | 0 |
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// before 1 char | | | | | | | | | |
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// after 1 char | | | | | | | | | |
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// before 2 char | | | | | | | | | |
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// in 2 char | | | | | | | | | |
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// after 2 char | | | | | | | | | |
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// random | | | | | | | | | |
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static const std::vector<char> random_chars {
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'a', 'b', 'c', 'd', 'e',
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'f', 'g', 'h', 'i', 'j',
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'k', 'l', 'm', 'n', 'o',
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'p', 'q', 'r', 's', 't',
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'u', 'v', 'w', 'x', 'y',
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'z',
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'A', 'B', 'C', 'D', 'E',
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'F', 'G', 'H', 'I', 'J',
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'K', 'L', 'M', 'N', 'O',
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'P', 'Q', 'R', 'S', 'T',
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'U', 'V', 'W', 'X', 'Y',
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'Z',
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};
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std::ostream& operator<<(std::ostream& out, const std::optional<ListType::ListID>& id) {
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if (id.has_value()) {
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out << id.value().id << "-" << id.value().seq;
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} else {
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out << "null";
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}
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return out;
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}
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std::ostream& operator<<(std::ostream& out, const Doc::OpAdd& op) {
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out
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<< "{ id:" << op.id.id
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<< "-" << op.id.seq
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<< ", v:" << op.value
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<< ", l:" << op.parent_left
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<< ", r:" << op.parent_right
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<< " }"
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;
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return out;
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}
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// genX() changes doc, uses local agent
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Op genAdd(Rng& rng, Doc& doc) {
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Doc::OpAdd op {
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{doc.local_actor, 0u},
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std::nullopt,
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std::nullopt,
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random_chars[rng()%random_chars.size()]
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};
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// TODO: move to list
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// make sure actor index exists
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if (!doc.state.findActor(doc.local_actor).has_value()) {
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doc.state._actors.push_back(doc.local_actor);
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}
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// first id is 0
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if (doc.state._last_seen_seq.count(doc.state.findActor(doc.local_actor).value())) {
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op.id.seq = doc.state._last_seen_seq[doc.state.findActor(doc.local_actor).value()] + 1;
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}
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if (!doc.state.empty()) {
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// gen parents
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size_t li = rng()%(1+doc.state.size());
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if (li != doc.state.size()) { // nullopt
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op.parent_left = doc.state.getID(li);
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}
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//size_t r_range = 1+doc.state.list.size();
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//if (li != doc.state.list.size()) {
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//r_range -= li+1;
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//}
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//size_t ri = rng()%r_range;
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//if (li != doc.state.list.size()) {
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//ri += li+1;
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//}
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//if (ri != doc.state.list.size()) { // nullopt
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//op.parent_right = doc.state.list[li].id;
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//}
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if (op.parent_left.has_value()) {
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if (doc.state.size() != li + 1) { // left is not last
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op.parent_right = doc.state.getID(li+1);
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}
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} else {
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// left is before first, so right is first
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op.parent_right = doc.state.getID(0);
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}
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} // else first char, both nullopt
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//std::cout << "op: " << op << "\n";
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{
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bool r = doc.state.add(op.id, op.value, op.parent_left, op.parent_right);
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if (!r) {
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std::cout << "op: " << op << "\n";
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}
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assert(r);
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}
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return op;
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}
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Op genDel(Rng& rng, Doc& doc) {
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if (doc.state.getDocSize() == 0) {
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assert(false && "empty doc");
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return {}; // empty
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}
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doc.state.verify();
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Doc::OpDel op{};
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// search for undelted entry
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size_t idx = rng()%doc.state.size();
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bool found = false;
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for (size_t attempts = 0; attempts <= doc.state.size(); attempts++) {
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//if (doc.state.list[idx].value.has_value()) {
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if (doc.state.getValue(idx).has_value()) {
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op.id = doc.state.getID(idx);
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found = true;
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break;
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}
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idx = (idx+1) % doc.state.size();
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}
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assert(found);
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{
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auto size_pre = doc.state.getDocSize();
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bool r = doc.state.del(op.id);
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assert(r);
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assert(size_pre-1 == doc.state.getDocSize());
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assert(doc.state.verify());
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}
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return op;
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}
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//genRep()
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//genAddContRange()
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//genDelContRange()
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//genRepContRange()
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//genRand()
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//genRandRanges()
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std::vector<Op> genRandAll(Rng& rng, Doc& doc) {
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switch (rng() % 1) {
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case 0:
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return {genAdd(rng, doc)};
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}
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return {};
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}
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void testEmptyDocAdds(size_t seed) {
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Rng rng(seed);
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Doc doc; // empty
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doc.local_actor = 'A';
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 55)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.getDocSize());
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.getDocSize());
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void test1CharDocAdds(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_actor = 'A';
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doc.addText(std::nullopt, std::nullopt, "0");
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assert(doc.getText() == "0");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 4)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.getDocSize());
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.getDocSize());
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void test1CharDocDels(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_actor = 'A';
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assert(doc.getText().size() == doc.state.getDocSize());
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doc.addText(std::nullopt, std::nullopt, "0123");
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assert(doc.getText().size() == doc.state.getDocSize());
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assert(doc.getText() == "0123");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 4)+1;
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std::cout << "going to delete: " << loop_count << "\n";
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for (size_t i = 0; i < loop_count; i++) {
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genDel(rng, doctmp);
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}
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changed_text = doctmp.getText();
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assert(doctmp.getText().size() == doctmp.state.getDocSize());
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if (loop_count == doc.state.getDocSize()) {
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assert(doctmp.state.getDocSize() == 0);
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assert(changed_text.size() == 0);
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}
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.getDocSize());
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.getDocSize());
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void test2CharDocAdds(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_actor = 'A';
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assert(doc.getText().size() == doc.state.getDocSize());
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doc.addText(std::nullopt, std::nullopt, "012345");
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assert(doc.getText().size() == doc.state.getDocSize());
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assert(doc.getText() == "012345");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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const size_t loop_count = (rng() % 6)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.getDocSize());
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.getDocSize());
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void testChange1(size_t seed) {
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Rng rng(seed);
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Doc doc;
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doc.local_actor = 'A';
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assert(doc.getText().size() == doc.state.getDocSize());
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doc.addText(std::nullopt, std::nullopt, "012345");
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assert(doc.getText().size() == doc.state.getDocSize());
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assert(doc.getText() == "012345");
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std::string changed_text;
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{
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// for modifying
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Doc doctmp = doc;
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{ // dels
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const size_t loop_count = (rng() % 6)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genDel(rng, doctmp);
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}
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}
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{ // adds
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const size_t loop_count = (rng() % 6)+1;
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for (size_t i = 0; i < loop_count; i++) {
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genAdd(rng, doctmp);
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}
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}
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changed_text = doctmp.getText();
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}
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assert(doc.getText() != changed_text);
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std::cout << "text: " << doc.getText() << "\n";
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std::cout << "changed_text: " << changed_text << "\n";
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Doc otherdoc = doc;
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assert(doc.getText().size() == doc.state.getDocSize());
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const auto merge_ops = doc.merge(changed_text);
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assert(doc.getText().size() == doc.state.getDocSize());
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std::cout << "text after merge: " << doc.getText() << "\n";
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assert(doc.getText() == changed_text);
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assert(otherdoc.apply(merge_ops));
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assert(doc.getText() == otherdoc.getText());
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}
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void testBugSame(void) {
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Doc doc;
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doc.local_actor = 'A';
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std::string_view new_text1{"a"};
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doc.merge(new_text1);
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assert(doc.getText() == new_text1);
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std::string_view new_text2{"aa"};
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doc.merge(new_text2);
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assert(doc.getText() == new_text2);
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}
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void testBugDoubleDel(void) {
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Doc doc;
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doc.local_actor = 'A';
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{
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std::string_view new_text{"a"};
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const auto ops = doc.merge(new_text);
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assert(doc.getText() == new_text);
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assert(ops.size() == 1);
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}
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{
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std::string_view new_text{""};
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const auto ops = doc.merge(new_text);
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assert(doc.getText() == new_text);
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assert(ops.size() == 1);
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assert(std::holds_alternative<Doc::OpDel>(ops.front()));
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assert(std::get<Doc::OpDel>(ops.front()).id.seq == 0);
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}
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{
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std::string_view new_text{""};
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const auto ops = doc.merge(new_text);
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assert(doc.getText() == new_text);
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assert(ops.size() == 0);
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}
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}
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void testBugSameDel(void) {
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Doc doc;
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doc.local_actor = 'A';
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{
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std::string_view new_text{"a"};
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const auto ops = doc.merge(new_text);
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assert(doc.getText() == new_text);
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assert(ops.size() == 1);
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}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"aa"};
|
||
|
const auto ops = doc.merge(new_text);
|
||
|
assert(doc.getText() == new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"a"};
|
||
|
const auto ops = doc.merge(new_text);
|
||
|
assert(doc.getText() == new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void testBugSameDel2(void) {
|
||
|
Doc doc;
|
||
|
doc.local_actor = 'A';
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"a"};
|
||
|
const auto ops = doc.merge(new_text);
|
||
|
assert(doc.getText() == new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"aa"};
|
||
|
const auto ops = doc.merge(new_text);
|
||
|
assert(doc.getText() == new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"aaa"};
|
||
|
const auto ops = doc.merge(new_text);
|
||
|
assert(doc.getText() == new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"aa"};
|
||
|
const auto ops = doc.merge(new_text);
|
||
|
assert(doc.getText() == new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"a"};
|
||
|
const auto ops = doc.merge(new_text);
|
||
|
assert(doc.getText() == new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void testMulti1(void) {
|
||
|
Doc docA;
|
||
|
docA.local_actor = 'A';
|
||
|
|
||
|
Doc docB;
|
||
|
docB.local_actor = 'B';
|
||
|
|
||
|
// state A
|
||
|
{
|
||
|
std::string_view new_text{"iiiiiii"};
|
||
|
const auto ops = docA.merge(new_text);
|
||
|
assert(docA.getText() == new_text);
|
||
|
|
||
|
assert(docB.apply(ops));
|
||
|
|
||
|
assert(docB.getText() == new_text);
|
||
|
assert(docB.state.getDocSize() == docA.state.getDocSize());
|
||
|
assert(docB.state.size() == docA.state.size());
|
||
|
}
|
||
|
|
||
|
// now B inserts b
|
||
|
{
|
||
|
std::string_view new_text{"iiibiiii"};
|
||
|
const auto ops = docB.merge(new_text);
|
||
|
assert(docB.getText() == new_text);
|
||
|
assert(ops.size() == 1); // 1 new inserted char, nothing to delete
|
||
|
|
||
|
assert(docA.apply(ops));
|
||
|
|
||
|
assert(docA.getText() == new_text);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void testPaste1(void) {
|
||
|
Doc docA;
|
||
|
docA.local_actor = 'A';
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"iiiiiii"};
|
||
|
const auto ops = docA.merge(new_text);
|
||
|
assert(ops.size() == 7);
|
||
|
assert(docA.getText() == new_text);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"iiiiiii\n"};
|
||
|
const auto ops = docA.merge(new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
assert(docA.getText() == new_text);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"iiiiiii\niiiiiii"};
|
||
|
const auto ops = docA.merge(new_text);
|
||
|
assert(ops.size() == 7);
|
||
|
assert(docA.getText() == new_text);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void testPaste2(void) {
|
||
|
Doc docA;
|
||
|
docA.local_actor = 'A';
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"aiiiiib"};
|
||
|
const auto ops = docA.merge(new_text);
|
||
|
assert(ops.size() == 7);
|
||
|
assert(docA.getText() == new_text);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"aiiiiib\n"};
|
||
|
const auto ops = docA.merge(new_text);
|
||
|
assert(ops.size() == 1);
|
||
|
assert(docA.getText() == new_text);
|
||
|
}
|
||
|
|
||
|
{
|
||
|
std::string_view new_text{"aiiiiib\naiiiiib"};
|
||
|
const auto ops = docA.merge(new_text);
|
||
|
assert(ops.size() == 7);
|
||
|
assert(docA.getText() == new_text);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
int main(void) {
|
||
|
const size_t loops = 1'000;
|
||
|
{
|
||
|
std::cout << "testEmptyDocAdds:\n";
|
||
|
for (size_t i = 0; i < loops; 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 < loops; i++) {
|
||
|
std::cout << "i " << i << "\n";
|
||
|
test1CharDocAdds(1337+i);
|
||
|
std::cout << std::string(40, '-') << "\n";
|
||
|
}
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "test1CharDocDels:\n";
|
||
|
for (size_t i = 0; i < loops; i++) {
|
||
|
std::cout << "i " << i << "\n";
|
||
|
test1CharDocDels(1337+i);
|
||
|
std::cout << std::string(40, '-') << "\n";
|
||
|
}
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "test2CharDocAdds:\n";
|
||
|
for (size_t i = 0; i < loops; i++) {
|
||
|
std::cout << "i " << i << "\n";
|
||
|
test2CharDocAdds(1337+i);
|
||
|
std::cout << std::string(40, '-') << "\n";
|
||
|
}
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testChange1:\n";
|
||
|
for (size_t i = 0; i < loops; i++) {
|
||
|
std::cout << "i " << i << "\n";
|
||
|
testChange1(1337+i);
|
||
|
std::cout << std::string(40, '-') << "\n";
|
||
|
}
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testBugSame:\n";
|
||
|
testBugSame();
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testBugDoubleDel:\n";
|
||
|
testBugDoubleDel();
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testBugSameDel:\n";
|
||
|
testBugSameDel();
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testBugSameDel2:\n";
|
||
|
testBugSameDel2();
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testMulti1:\n";
|
||
|
testMulti1();
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testPaste1:\n";
|
||
|
testPaste1();
|
||
|
}
|
||
|
|
||
|
std::cout << std::string(40, '=') << "\n";
|
||
|
|
||
|
{
|
||
|
std::cout << "testPaste2:\n";
|
||
|
testPaste2();
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|