From 933c00710b74f8610ae4a64141b00a45e2a2320b Mon Sep 17 00:00:00 2001
From: 20050114 <20050114@studenti.uniupo.it>
Date: Wed, 20 Mar 2024 11:05:44 +0100
Subject: [PATCH] Lab2 Algo
---
.../Laboratorio/Lab2/TestGraph/TestGraph.java | 69 ++++++++++++++++++
Algoritmi_2/Laboratorio/Lab2/algo2_2.iml | 55 ++++++++++++++
.../Lab2/out/production/algo2_2/BFS.class | Bin 0 -> 1940 bytes
.../Lab2/out/production/algo2_2/Main.class | Bin 0 -> 823 bytes
.../Lab2/out/test/algo2_2/TestGraph.class | Bin 0 -> 3056 bytes
Algoritmi_2/Laboratorio/Lab2/src/BFS.java | 40 ++++++++++
Algoritmi_2/Laboratorio/Lab2/src/Main.java | 10 +++
7 files changed, 174 insertions(+)
create mode 100644 Algoritmi_2/Laboratorio/Lab2/TestGraph/TestGraph.java
create mode 100644 Algoritmi_2/Laboratorio/Lab2/algo2_2.iml
create mode 100644 Algoritmi_2/Laboratorio/Lab2/out/production/algo2_2/BFS.class
create mode 100644 Algoritmi_2/Laboratorio/Lab2/out/production/algo2_2/Main.class
create mode 100644 Algoritmi_2/Laboratorio/Lab2/out/test/algo2_2/TestGraph.class
create mode 100644 Algoritmi_2/Laboratorio/Lab2/src/BFS.java
create mode 100644 Algoritmi_2/Laboratorio/Lab2/src/Main.java
diff --git a/Algoritmi_2/Laboratorio/Lab2/TestGraph/TestGraph.java b/Algoritmi_2/Laboratorio/Lab2/TestGraph/TestGraph.java
new file mode 100644
index 0000000..6aa6324
--- /dev/null
+++ b/Algoritmi_2/Laboratorio/Lab2/TestGraph/TestGraph.java
@@ -0,0 +1,69 @@
+import it.uniupo.graphLib.DirectedGraph;
+import it.uniupo.graphLib.GraphInterface;
+import it.uniupo.graphLib.UndirectedGraph;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.Timeout;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class TestGraph {
+ @Test
+ void testCreate() {
+ GraphInterface grafo = new DirectedGraph(3);
+ BFS bfsTest = new BFS(grafo);
+ assertNotNull(bfsTest);
+ }
+
+ @Test
+ void testInvalidSorgente() {
+ GraphInterface grafo = new DirectedGraph("1");
+ BFS bfsTest = new BFS(grafo);
+ assertThrows(IllegalArgumentException.class, () -> bfsTest.getNodesInOrderOfVisit(3));
+ }
+
+ @Test
+ @Timeout(value = 500)
+ void testScoperti() {
+ GraphInterface grafo = new DirectedGraph("3;0 1;1 2;2 0");
+ BFS bfsTest = new BFS(grafo);
+ assertTrue(bfsTest.getNodesInOrderOfVisit(0) != null);
+ }
+
+ @Test
+ void testNumeroNodiVisitati() {
+ //Un solo nodo
+ GraphInterface grafo = new UndirectedGraph("1");
+ BFS bfsTest = new BFS(grafo);
+ assertEquals(1, bfsTest.getNodesInOrderOfVisit(0).size());
+
+ //Due nodi ed un arco
+ grafo = new UndirectedGraph("2; 0 1");
+ bfsTest = new BFS(grafo);
+ assertEquals(2, bfsTest.getNodesInOrderOfVisit(0).size());
+
+ //Quattro nodi e quattro archi
+ grafo = new UndirectedGraph("4;0 2;0 1;2 3;1 3");
+ bfsTest = new BFS(grafo);
+ assertEquals(4, bfsTest.getNodesInOrderOfVisit(2).size());
+
+ }
+
+ @Test
+ void testBFSOrder() {
+ GraphInterface grafo = new UndirectedGraph("4;0 2;0 1;2 3;1 3");
+ BFS bfsTest = new BFS(grafo);
+ assertTrue(bfsTest.getNodesInOrderOfVisit(2).get(2) == 0 || bfsTest.getNodesInOrderOfVisit(2).get(2) == 3);
+ }
+
+ @Test
+ public void testInitNumeroNodiVisitati() {
+ GraphInterface grafo = new UndirectedGraph("4;0 2;0 1;2 3;1 3");
+ BFS bfsTest = new BFS(grafo); //<<- creato una volta sola
+ int numeroNodi = bfsTest.getNodesInOrderOfVisit(0).size();//<<-prima chiamata del metodo
+ assertEquals(4, numeroNodi);
+ numeroNodi = bfsTest.getNodesInOrderOfVisit(2).size(); //<<-seconda chiamata, stesso oggetto, parametro diverso
+ assertEquals(4, numeroNodi);
+ numeroNodi = bfsTest.getNodesInOrderOfVisit(3).size(); //<<-terza chiamata, stesso oggetto, parametro diverso
+ assertEquals(4, numeroNodi);
+ }
+}
diff --git a/Algoritmi_2/Laboratorio/Lab2/algo2_2.iml b/Algoritmi_2/Laboratorio/Lab2/algo2_2.iml
new file mode 100644
index 0000000..9ce1010
--- /dev/null
+++ b/Algoritmi_2/Laboratorio/Lab2/algo2_2.iml
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+ <component name="NewModuleRootManager" inherit-compiler-output="true">
+ <exclude-output />
+ <content url="file://$MODULE_DIR$">
+ <sourceFolder url="file://$MODULE_DIR$/TestGraph" isTestSource="true" />
+ <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+ </content>
+ <orderEntry type="inheritedJdk" />
+ <orderEntry type="sourceFolder" forTests="false" />
+ <orderEntry type="module-library">
+ <library>
+ <CLASSES>
+ <root url="jar://$USER_HOME$/Downloads/graphLib.jar!/" />
+ </CLASSES>
+ <JAVADOC>
+ <root url="jar://$USER_HOME$/Downloads/graphLib.jar!/doc" />
+ </JAVADOC>
+ <SOURCES />
+ </library>
+ </orderEntry>
+ <orderEntry type="module-library" scope="TEST">
+ <library name="JUnit5.8.1">
+ <CLASSES>
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.8.1/junit-jupiter-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.8.1/junit-jupiter-api-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.8.1/junit-platform-commons-1.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.8.1/junit-jupiter-params-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.8.1/junit-jupiter-engine-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.8.1/junit-platform-engine-1.8.1.jar!/" />
+ </CLASSES>
+ <JAVADOC />
+ <SOURCES />
+ </library>
+ </orderEntry>
+ <orderEntry type="module-library" scope="TEST">
+ <library name="JUnit5.8.1">
+ <CLASSES>
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.8.1/junit-jupiter-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.8.1/junit-jupiter-api-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.8.1/junit-platform-commons-1.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.8.1/junit-jupiter-params-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.8.1/junit-jupiter-engine-5.8.1.jar!/" />
+ <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.8.1/junit-platform-engine-1.8.1.jar!/" />
+ </CLASSES>
+ <JAVADOC />
+ <SOURCES />
+ </library>
+ </orderEntry>
+ </component>
+</module>
\ No newline at end of file
diff --git a/Algoritmi_2/Laboratorio/Lab2/out/production/algo2_2/BFS.class b/Algoritmi_2/Laboratorio/Lab2/out/production/algo2_2/BFS.class
new file mode 100644
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diff --git a/Algoritmi_2/Laboratorio/Lab2/src/BFS.java b/Algoritmi_2/Laboratorio/Lab2/src/BFS.java
new file mode 100644
index 0000000..a040151
--- /dev/null
+++ b/Algoritmi_2/Laboratorio/Lab2/src/BFS.java
@@ -0,0 +1,40 @@
+import it.uniupo.graphLib.GraphInterface;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Queue;
+
+public class BFS {
+
+ private GraphInterface myGraph;
+
+ public BFS(GraphInterface g) {
+ //System.out.println(g);
+ this.myGraph = g;
+ }
+
+ public ArrayList<Integer> getNodesInOrderOfVisit(int sorgente) {
+ if (this.myGraph.getOrder() <= sorgente) {
+ throw new IllegalArgumentException("Dimensione della Sorgente errata");
+ }
+ ArrayList<Integer> s = new ArrayList<>();
+ ArrayList<Integer> valueToReturn = new ArrayList<>();
+ s.add(sorgente);
+ valueToReturn.add(sorgente);
+ Queue<Integer> q = new LinkedList<>();
+ q.add(sorgente);
+ while (!q.isEmpty()) {
+ int u = q.remove();
+ List<Integer> neighbors = (List<Integer>) this.myGraph.getNeighbors(u);
+ for (Integer neighbor : neighbors) {
+ if (!s.contains(neighbor)) {
+ s.add(neighbor);
+ q.add(neighbor);
+ valueToReturn.add(neighbor);
+ }
+ }
+ }
+ return valueToReturn;
+ }
+}
diff --git a/Algoritmi_2/Laboratorio/Lab2/src/Main.java b/Algoritmi_2/Laboratorio/Lab2/src/Main.java
new file mode 100644
index 0000000..b454cf6
--- /dev/null
+++ b/Algoritmi_2/Laboratorio/Lab2/src/Main.java
@@ -0,0 +1,10 @@
+import it.uniupo.graphLib.Graph;
+import it.uniupo.graphLib.UndirectedGraph;
+
+public class Main {
+ public static void main(String[] args) {
+ Graph mioGrafo = new UndirectedGraph("3; 0 1; 1 2; 0 2;"); //Num Nodi + Archi
+ BFS prova = new BFS(mioGrafo);
+ System.out.println(prova.getNodesInOrderOfVisit(0));
+ }
+}
\ No newline at end of file
--
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