correction couverture de test Date

code/tp3-balanced-strings/src/main/java/fr/istic/vv/StringUtils.java

@@ -1,21 +1,65 @@
 package fr.istic.vv;
 
+import java.util.ArrayDeque;
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Queue;
+import java.util.Set;
+
 public class StringUtils {
 
     private StringUtils() {}
 
-    public static boolean isBalanced(String str) {
+    static Set<Character> OPEN = Set.of('(', '[', '{');
+    static Set<Character> CLOSE = Set.of(')', ']', '}');
+    public static final Map<Character, Character> CONVERT;
 
-        return false;
+    static {
+        CONVERT = new HashMap<>();
+        CONVERT.put('(', ')');
+        CONVERT.put('{', '}');
+        CONVERT.put('[', ']');
+    }
+    
+
+
+    public static boolean isBalanced(String str) {
+        Deque<Character> balancedQueue = new ArrayDeque<Character>();
+
+        return reqIsBalanced(str, balancedQueue);
     }
 
 
-    public static String reqIsBalanced(String str){
+    public static boolean reqIsBalanced(String str,Deque<Character> balancedQueue){
-        String all = "[\\[\\(\\{\\]\\)\\}\"]";
+        int nbRemove = 1;
-        String openRegex = "[\\[\\(\\{\"]";
+        if(str.length()>0){
-        String closeRegex = "[\\]\\)\\}\"]";
+            char c=str.charAt(0);
-        String regex = "^[^"+all+"]*"+openRegex+"."+closeRegex+"^["+all+"]*";
+            while(true){
-
+                if(OPEN.contains(c)){
-        return str;
+                    balancedQueue.push(c);
+                    
+                    return reqIsBalanced(str.substring(nbRemove), balancedQueue);
+                }
+                else if(CLOSE.contains(c)){
+                    if(balancedQueue.isEmpty()){
+                        return false;
+                    }
+                    else if(CONVERT.get(balancedQueue.pollFirst()) == c){
+                        return reqIsBalanced(str.substring(nbRemove),balancedQueue);
+                    }
+                    else{
+                        return false;
+                    }
+                }
+                else if(nbRemove<str.length()){
+                    c = str.charAt(nbRemove);
+                    nbRemove++;
+                }
+                else return balancedQueue.isEmpty();
+            }
+        }
+        return balancedQueue.isEmpty();
     }
 }
+

code/tp3-balanced-strings/src/test/java/fr/istic/vv/StringUtilsTest.java

@@ -8,12 +8,102 @@ import static org.junit.jupiter.api.Assertions.*;
 class StringUtilsTest {
 
 
-        @Test
+    @Test
-    public void test2(){
+    public void testBalancedSimple(){
-        //assertEquals(num1,num2);
+        String prog1 = "()";
-        String s = "te";
+        String prog2 = "{}";
-        String s2 = "test";
+        String prog3 = "[]";
-        s += "st";
+        assertTrue(isBalanced(prog1));
-        assertSame(s2,s);
+        assertTrue(isBalanced(prog2));
+        assertTrue(isBalanced(prog3));
+    }
+
+    @Test
+    public void testnotBalancedSimple(){
+        String prog1 = "(]";
+        String prog2 = "{)";
+        String prog3 = "[}";
+        String prog4 = ")(";
+        assertFalse(isBalanced(prog1));
+        assertFalse(isBalanced(prog2));
+        assertFalse(isBalanced(prog3));
+        assertFalse(isBalanced(prog4));
+
+    }
+
+
+    @Test
+    public void testEmpty(){
+        String prog1 = "";
+        assertTrue(isBalanced(prog1));
+    }
+
+    @Test
+    public void testOnlyText(){
+        String prog1 = "abc";
+        String prog2 = "abc'éhçfez_énrui";
+        assertTrue(isBalanced(prog1));
+        assertTrue(isBalanced(prog2));
+    }
+
+    @Test
+    public void testBalancedSimpleWithText(){
+        String prog1 = "(abc)";
+        String prog2 = "abc'[éhçfez]_énrui";
+        String prog3 = "abc'{éhçfez_énrui<}";
+        assertTrue(isBalanced(prog1));
+        assertTrue(isBalanced(prog2));
+        assertTrue(isBalanced(prog3));
+    }
+
+    @Test
+    public void testNotBalancedSimpleWithText(){
+        String prog1 = "abc)";
+        String prog2 = "abc'éhçfez]_énrui";
+        String prog3 = "abc'éhçfez_énrui<}";
+        String prog4 = "{abc'éhçfez_énrui<";
+        assertFalse(isBalanced(prog1));
+        assertFalse(isBalanced(prog2));
+        assertFalse(isBalanced(prog3));
+        assertFalse(isBalanced(prog4));
+
+    }
+
+    @Test
+    public void testBalancedFollow(){
+        String prog1 = "a()b[c]{}";
+        assertTrue(isBalanced(prog1));
+    }
+
+    @Test
+    public void testnotBalancedFollow(){
+        String prog1 = "a()b[c]{)}";
+        assertFalse(isBalanced(prog1));
+    }
+
+    @Test
+    public void testBalancedFull(){
+        String prog1 = "for(int i = 0;i<10; i++){System.out.println(\"tab[i]\");}";
+        assertTrue(isBalanced(prog1));
+    }
+
+    @Test
+    public void testnotBalancedFullForgotClose(){
+        String prog1 = "for(int i = 0;i<10; i++{System.out.println(\"tab[i]\");}";
+        assertFalse(isBalanced(prog1));
+    }
+
+
+    @Test
+    public void testnotBalancedFullFrogotOpen(){
+        String prog1 = "forint i = 0;i<10; i++){System.out.println(\"tab[i]\");}";
+        assertFalse(isBalanced(prog1));
+    }
+
+    
+    @Test
+    public void testnotBalancedFullWrongClose(){
+        String prog1 = "for(int i = 0;i<10; i++){System.out.println(\"tab[i]\");]";
+        assertFalse(isBalanced(prog1));
     }
 }

code/tp3-date/src/main/java/fr/istic/vv/Date.java

@@ -35,14 +35,13 @@ class Date implements Comparable<Date> {
         int max_day = max_day(m, y);
         if (d < max_day) {
             return new Date(d + 1, m, y);
-        } else if (d == max_day) {
+        } else {
             if (m == 12) {
                 return new Date(1, 1, y + 1);
             } else {
                 return new Date(1, m + 1, y);
             }
         }
-        return null; // This line should never be reached
     }
 
     public Date previousDate() {
@@ -64,18 +63,16 @@ class Date implements Comparable<Date> {
         if (other == null) {
             throw new NullPointerException();
         }
-        if (isValidDate(other.getDay(), other.getMonth(), other.getYear())) {
+        int cmpYear = Integer.compare(this.getYear(), other.getYear());
-            int cmpYear = Integer.compare(this.getYear(), other.getYear());
+        if (cmpYear != 0)
-            if (cmpYear != 0)
+            return cmpYear;
-                return cmpYear;
 
-            int cmpMonth = Integer.compare(this.getMonth(), other.getMonth());
+        int cmpMonth = Integer.compare(this.getMonth(), other.getMonth());
-            if (cmpMonth != 0)
+        if (cmpMonth != 0)
-                return cmpMonth;
+            return cmpMonth;
+
+        return Integer.compare(this.getDay(), other.getDay());
 
-            return Integer.compare(this.getDay(), other.getDay());
-        }
-        throw new IllegalArgumentException("The date to compare is not valid");
     }
 
     public int getDay() {

code/tp3-date/src/test/java/fr/istic/vv/DateTest.java

@@ -204,4 +204,6 @@ class DateTest {
         Date d2 = new Date(5, 5, 2025);
         assertEquals(0, d1.compareTo(d2));
     }
+
+    
 }

exercises/balanced-strings.md

@@ -26,3 +26,33 @@ Use the project in [tp3-balanced-strings](../code/tp3-balanced-strings) to compl
 
 ## Answer
 
+1.
+Test simple true:
+"{}","[]","()","(a)","a[b]","" et "test"
+
+des test simple false :
+"{]","(}","[)","a{]","(b}"
+
+des Test avec des parenthèsé qui se suivent :
+"{}()a[a]"
+
+La même chose avec des erreur :
+"{}()a[a}"
+
+des Test avec des parenthèse imbriqué :
+"white(true){println("Tester c'est pas douter")}
+
+des Test avec des oublies, d'ouverture et fermeture:
+"whitetrue){println("Tester c'est pas douter")}",
+"white(true{println("Tester c'est pas douter")}"
+
+
+2.
+avec ses tests la couverture est à 100%
+
+3.
+toutes les conditions n'ont qu'un seul opérateur boolean
+
+4.
+
+un mutant qui remplacé un return par un return true, il s'agit du cas ou le programme avec une erreur de parenthésage fini par des caractère, ex : "(a" on peut donc le rajouter dans les "test simple"