Adding clang-format, and reformating all sourcecode
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@@ -1,90 +1,87 @@
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#include <catch2/catch.hpp>
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#include <iostream>
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#include "daggy/DAG.hpp"
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#include <catch2/catch.hpp>
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TEST_CASE("dag_construction", "[dag]")
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{
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daggy::DAG<size_t, size_t> dag;
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TEST_CASE("dag_construction", "[dag]") {
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daggy::DAG<size_t, size_t> dag;
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REQUIRE(dag.size() == 0);
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REQUIRE(dag.empty());
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REQUIRE(dag.size() == 0);
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REQUIRE(dag.empty());
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REQUIRE_NOTHROW(dag.addVertex(0, 0));
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for (size_t i = 1; i < 10; ++i) {
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dag.addVertex(i, i);
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REQUIRE(dag.hasVertex(i));
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REQUIRE(dag.getVertex(i).data == i);
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dag.addEdge(i - 1, i);
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}
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REQUIRE_NOTHROW(dag.addVertex(0, 0));
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for (size_t i = 1; i < 10; ++i) {
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dag.addVertex(i, i);
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REQUIRE(dag.hasVertex(i));
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REQUIRE(dag.getVertex(i).data == i);
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dag.addEdge(i - 1, i);
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}
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REQUIRE(dag.size() == 10);
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REQUIRE(!dag.empty());
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REQUIRE(dag.size() == 10);
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REQUIRE(!dag.empty());
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// Cannot add an edge that would result in a cycle
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dag.addEdge(9, 5);
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REQUIRE(!dag.isValid());
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// Cannot add an edge that would result in a cycle
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dag.addEdge(9, 5);
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REQUIRE(!dag.isValid());
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// Bounds checking
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SECTION("addEdge Bounds Checking") {
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REQUIRE_THROWS(dag.addEdge(20, 0));
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REQUIRE_THROWS(dag.addEdge(0, 20));
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}
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// Bounds checking
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SECTION("addEdge Bounds Checking")
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{
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REQUIRE_THROWS(dag.addEdge(20, 0));
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REQUIRE_THROWS(dag.addEdge(0, 20));
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}
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}
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TEST_CASE("dag_traversal", "[dag]") {
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daggy::DAG<size_t, size_t> dag;
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TEST_CASE("dag_traversal", "[dag]")
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{
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daggy::DAG<size_t, size_t> dag;
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const int N_VERTICES = 10;
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const int N_VERTICES = 10;
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for (int i = 0; i < N_VERTICES; ++i) { dag.addVertex(i, i); }
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for (int i = 0; i < N_VERTICES; ++i) {
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dag.addVertex(i, i);
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}
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/*
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0 ---------------------\
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1 ---------- \ \ /-----> 8
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2 ---- 3 ---- > 5 -------> 6 -----> 7
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4 -------------------------------/ \-----> 9
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*/
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/*
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0 ---------------------\
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1 ---------- \ \ /-----> 8
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2 ---- 3 ---- > 5 -------> 6 -----> 7
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4 -------------------------------/ \-----> 9
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*/
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std::vector<std::pair<int, int>> edges{
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{0, 6},
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{1, 5},
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{5, 6},
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{6, 7},
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{2, 3},
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{3, 5},
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{4, 7},
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{7, 8},
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{7, 9}
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};
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std::vector<std::pair<int, int>> edges{{0, 6}, {1, 5}, {5, 6}, {6, 7}, {2, 3},
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{3, 5}, {4, 7}, {7, 8}, {7, 9}};
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for (auto const[from, to]: edges) {
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dag.addEdge(from, to);
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for (auto const [from, to] : edges) {
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dag.addEdge(from, to);
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}
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SECTION("Basic Traversal")
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{
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dag.reset();
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std::vector<int> visitOrder(N_VERTICES);
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size_t i = 0;
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while (!dag.allVisited()) {
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const auto v = dag.visitNext().value();
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dag.completeVisit(v.first);
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visitOrder[v.first] = i;
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++i;
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}
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SECTION("Basic Traversal") {
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dag.reset();
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std::vector<int> visitOrder(N_VERTICES);
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size_t i = 0;
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while (!dag.allVisited()) {
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const auto v = dag.visitNext().value();
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dag.completeVisit(v.first);
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visitOrder[v.first] = i;
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++i;
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}
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// Ensure visit order is preserved
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for (auto const[from, to]: edges) {
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REQUIRE(visitOrder[from] <= visitOrder[to]);
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}
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// Ensure visit order is preserved
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for (auto const [from, to] : edges) {
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REQUIRE(visitOrder[from] <= visitOrder[to]);
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}
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}
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SECTION("Iteration") {
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size_t nVisited = 0;
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dag.forEach([&](auto &k) {
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(void) k;
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++nVisited;
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});
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REQUIRE(nVisited == dag.size());
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}
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SECTION("Iteration")
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{
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size_t nVisited = 0;
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dag.forEach([&](auto &k) {
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(void)k;
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++nVisited;
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});
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REQUIRE(nVisited == dag.size());
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}
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}
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