testing

bintree.c

@@ -6,25 +6,26 @@
 
 
 //TODO: binären Suchbaum implementieren
-/*  * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),       Done
-    * `clearTree`: gibt den gesamten Baum frei (rekursiv),                  Done
-    * `treeSize`: zählt die Knoten im Baum (rekursiv),                      Done
-    * `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
+/*  * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),           Done
+    * `clearTree`: gibt den gesamten Baum frei (rekursiv),                      Done
+    * `treeSize`: zählt die Knoten im Baum (rekursiv),                          Done
+    * `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. Done */  
 
 
-    static TreeNode *root = NULL;
+    static StackNode    *stackRoot  = NULL;
 
 
-    TreeNode        *addToTree      (TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate);
-    void            *nextTreeData   (TreeNode *root);
-    void            clearTree       (TreeNode *root);
-    unsigned int    treeSize        (const TreeNode *root);
+    TreeNode        *addToTree          (TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate);
+    void            *nextTreeData       (TreeNode *root);
+    void            clearTree           (TreeNode *root);
+    unsigned int    treeSize            (const TreeNode *root);
 
     // self declared functions
-    TreeNode        *addToTreeRec   (TreeNode *currentNode, TreeNode *newNode, CompareFctType compareFct, int *isDuplicate, const int root);
-    void            clearTreeRec    (TreeNode *currentNode);
-    void            clearNode       (TreeNode *node);
-    int             treeSizeRec     (const TreeNode *currentNode);
+    TreeNode        *addToTreeRec       (TreeNode *currentNode, TreeNode *newNode, CompareFctType compareFct, int *isDuplicate, const int root);
+    void            clearTreeRec        (TreeNode *currentNode);
+    void            clearNode           (TreeNode *node);
+    int             treeSizeRec         (const TreeNode *currentNode);
+    void            *nextTreeDataRec    (TreeNode *node, StackNode *stack);
 
 
 // Adds a copy of data's pointer destination to the tree using compareFct for ordering. Accepts duplicates
@@ -54,10 +55,16 @@ TreeNode *addToTreeRec(TreeNode *currentNode, TreeNode *newNode, CompareFctType
     {
         if ((isDuplicate == NULL) || root)
         {
+            if (isDuplicate != NULL)
+            {
+                *isDuplicate = 0;
+            }
+            
             return newNode;
         }
         else
         {
+            *isDuplicate = 0;
             return currentNode;
         }
     }
@@ -81,7 +88,10 @@ TreeNode *addToTreeRec(TreeNode *currentNode, TreeNode *newNode, CompareFctType
         }
     }
 
-
+    if (isDuplicate != NULL)
+    {
+        *isDuplicate = 0;
+    }
     return currentNode;
 }
  
@@ -91,9 +101,40 @@ TreeNode *addToTreeRec(TreeNode *currentNode, TreeNode *newNode, CompareFctType
 // push the top node and push all its left nodes.
 
 // Needs stack!!
+//      Stack functions: push(), pop(), top(), clearStack()
 void *nextTreeData(TreeNode *root)
 {
+    void *pointerToReturn = NULL;
 
+    if (root != NULL)
+    {
+        // Add tree to stack so that bigest entry is ontop
+        stackRoot       = nextTreeDataRec(root, stackRoot);
+        pointerToReturn = stackRoot;
+    }
+    else
+    {
+        // return current top entry and then pop that top entry
+        pointerToReturn = top(stackRoot);
+        stackRoot       = pop(stackRoot);
+    }
+
+    
+    return pointerToReturn;
+}
+
+
+void *nextTreeDataRec(TreeNode *tree, StackNode *stack)
+{
+    if (tree != NULL)
+    {
+        stack = nextTreeDataRec (tree->left, stack);
+        stack = push            (stack, tree->data);
+        stack = nextTreeDataRec (tree->right, stack);
+    }
+
+
+    return stack;
 }
 
 
@@ -152,5 +193,7 @@ int treeSizeRec(const TreeNode *currentNode)
         nodeCount += treeSizeRec(currentNode->right);
         return nodeCount + 1;
     }
+
+    return nodeCount;
 }
 

bintreeTests.c

@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include "unity.h"
 #include "bintree.h"
+#include "stack.h"
 
 #define MAX_TEST_NAME_LEN 10
 
@@ -89,7 +90,41 @@ void test_addToTreeExpandsTreeCorrectly(void)
 //      needs Stack!!!
 void test_nextTreeDataReturnsNextDataCorrectly(void)
 {
+    TreeNode    *testRoot       = NULL;
+    int         score1          = 12;
+    int         score2          = 6;
+    int         score3          = 18;
+    int         score4          = 3;
+    int         score5          = 9;
+    int         score6          = 15;
+    int         score7          = 21;
 
+
+    // Prepare a Tree
+    testRoot = addToTree(testRoot, &score1, sizeof(int), compareIntEntries, NULL);
+    testRoot = addToTree(testRoot, &score2, sizeof(int), compareIntEntries, NULL);
+    testRoot = addToTree(testRoot, &score3, sizeof(int), compareIntEntries, NULL);
+    testRoot = addToTree(testRoot, &score4, sizeof(int), compareIntEntries, NULL);
+    testRoot = addToTree(testRoot, &score5, sizeof(int), compareIntEntries, NULL);
+    testRoot = addToTree(testRoot, &score6, sizeof(int), compareIntEntries, NULL);
+    testRoot = addToTree(testRoot, &score7, sizeof(int), compareIntEntries, NULL);
+
+    // Create Stack
+    StackNode   *entry  = nextTreeData(testRoot);
+
+    // check if nextTreeData returns Data correctly
+    TEST_ASSERT_NOT_NULL(entry);
+
+    TEST_ASSERT_EQUAL(score7, *(int *)nextTreeData(NULL));
+    TEST_ASSERT_EQUAL(score3, *(int *)nextTreeData(NULL));
+    TEST_ASSERT_EQUAL(score6, *(int *)nextTreeData(NULL));
+    TEST_ASSERT_EQUAL(score1, *(int *)nextTreeData(NULL));
+    TEST_ASSERT_EQUAL(score5, *(int *)nextTreeData(NULL));
+    TEST_ASSERT_EQUAL(score2, *(int *)nextTreeData(NULL));
+    TEST_ASSERT_EQUAL(score4, *(int *)nextTreeData(NULL));
+
+
+    clearTree(testRoot);
 }
 
 
@@ -179,7 +214,7 @@ int main()
 
     printf("\n============================\nBinary Tree tests\n============================\n");
     RUN_TEST(test_addToTreeExpandsTreeCorrectly);
-    // RUN_TEST(test_nextTreeDataReturnsNextDataCorrectly);
+    RUN_TEST(test_nextTreeDataReturnsNextDataCorrectly);
     RUN_TEST(test_clearTreeworksLikeExpected);
     RUN_TEST(test_treeSizeWorkingLikeExpected);
 

makefile

@@ -41,9 +41,14 @@ $(program_obj_filesobj_files): %.o: %.c
 bintree: bintree.c
 	$(CC) $(FLAGS) -c bintree bintree.c 
 
-bintreeTests: bintree.o bintreeTests.c $(unityfolder)/unity.c
-	$(CC) $(FLAGS) -o runbintreeTests bintreeTests.c bintree.o $(unityfolder)/unity.c
+bintreeTests: stack.o bintree.o bintreeTests.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -o runbintreeTests bintreeTests.c bintree.o stack.o $(unityfolder)/unity.c
 
+stack: stack.c
+	$(CC) $(FLAGS) -c stack stack.c 
+
+test_stack: stack.o test_stack.c $(unityfolder)/unity.c
+	$(CC) $(FLAGS) -o runstackTests test_stack.c stack.o $(unityfolder)/unity.c
 # --------------------------
 # Clean
 # --------------------------

test_stack.c

@@ -1,24 +1,30 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include "unity.h"
 #include "stack.h"
 
+void setUp(void) {
+    // Falls notwendig, kann hier Vorbereitungsarbeit gemacht werden
+}
+
+void tearDown(void) {
+    // Hier kann Bereinigungsarbeit nach jedem Test durchgeführt werden
+}
+
+
+
 void testeStackBeschreiben()
 {
-    printf("=== Test: push() ===\n");
+    //printf("=== Test: push() ===\n");
 
     StackNode *stack = NULL;
     int wert1 = 42;
     stack = push(stack, &wert1);
 
     int *topValue = (int *)(stack->data);
-    if(topValue != NULL && *topValue == 42)
-    {
-        printf("Test 1: Erstes Element erfolgreich gepusht!\n");
-    }
-    else
-    {
-        printf("Test 1: FEHLGESCHLAGEN!\n");
-    }
+
+    TEST_ASSERT_NOT_NULL(topValue);
+    TEST_ASSERT_EQUAL_INT(42, *topValue);
 
 
     int wert2 = 12;
@@ -27,23 +33,19 @@ void testeStackBeschreiben()
     topValue = (int *)(stack->data);
     int *secondValue = (int *)((stack->next)->data);
 
-    if(topValue != NULL && *topValue == 12.25 && secondValue != NULL && *secondValue == 42)
-    {
-        printf("Test 2: Zweites Element erfolgreich gepusht!\n");
-    }
-    else
-    {
-        printf("Test 2: FEHLGESCHLAGEN!\n");
-    }
+    TEST_ASSERT_NOT_NULL(topValue);
+    TEST_ASSERT_EQUAL_INT(12, *topValue);
+    TEST_ASSERT_NOT_NULL(secondValue);
+    TEST_ASSERT_EQUAL_INT(42, *secondValue);
 
 
-    printf("=== Ende Test: push() ===\n\n");
+    //printf("=== Ende Test: push() ===\n\n");
     return;
 }
 
 void testepop()
 {
-    printf("=== Test: pop() ===\n");
+    //printf("=== Test: pop() ===\n");
 
     StackNode *stack = NULL;
     int wert1 = 20;
@@ -56,21 +58,15 @@ void testepop()
 
     int *topValue = (int *)(stack->data);
 
-    if(topValue != NULL && *topValue == 20)
-    {
-        printf("Test: Erstes Element erfolgreich gelöscht!\n");
-    }
-    else
-    {
-        printf("Test 1: FEHLGESCHLAGEN!\n");
-    }
+    TEST_ASSERT_NOT_NULL(topValue);
+    TEST_ASSERT_EQUAL_INT(20, *topValue);
 
-    printf("=== Ende Test: pop() ===\n\n");
+    //printf("=== Ende Test: pop() ===\n\n");
 }
 
 void testetop()
 {
-    printf("=== Test: top() ===\n");
+    //printf("=== Test: top() ===\n");
     
     StackNode *stack = NULL;
     int wert1 = 20;
@@ -81,21 +77,15 @@ void testetop()
 
     int *topValue = top(stack);
 
-    if(topValue != NULL && *topValue == 74)
-    {
-        printf("Test: top() gibt korrektes Element zurück!\n");
-    }
-    else
-    {
-        printf("Test: FEHLGESCHLAGEN!\n");
-    }
+    TEST_ASSERT_NOT_NULL(topValue);
+    TEST_ASSERT_EQUAL_INT(74, *topValue);
 
-    printf("=== Ende Test: top() ===\n\n");
+    //printf("=== Ende Test: top() ===\n\n");
 }
 
 void testeclearStack()
 {
-    printf("=== Test: clearStack() ===\n");
+    //printf("=== Test: clearStack() ===\n");
 
     StackNode *stack = NULL;
     int wert1 = 20;
@@ -106,16 +96,25 @@ void testeclearStack()
 
     clearStack(stack);
 
-    printf("Test: clearStack() aufgerufen. Speicher freigegeben.\n");
-    printf("=== Ende Test: clearStack() ===\n\n");
+    //printf("Test: clearStack() aufgerufen. Speicher freigegeben.\n");
+    //printf("=== Ende Test: clearStack() ===\n\n");
 }
 
 int main()
 {
-    testeStackBeschreiben();
+    UNITY_BEGIN();
+
+    //printf("...");
+
+    RUN_TEST(testeStackBeschreiben);
+    RUN_TEST(testepop);
+    RUN_TEST(testetop);
+    RUN_TEST(testeclearStack);
+
+    /*testeStackBeschreiben();
     testepop();
     testetop();
-    testeclearStack();
+    testeclearStack();*/
 
-    return 0;
+    return UNITY_END();
 }