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jakob ... main

5 changed files with 7 additions and 153 deletions

104
bintree.c
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@ -2,66 +2,17 @@
#include "stack.h"
#include "bintree.h"
// TODO: binären Suchbaum implementieren
//TODO: binären Suchbaum implementieren
/* * `addToTree`: fügt ein neues Element in den Baum ein (rekursiv),
* `clearTree`: gibt den gesamten Baum frei (rekursiv),
* `treeSize`: zählt die Knoten im Baum (rekursiv),
* `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
* `clearTree`: gibt den gesamten Baum frei (rekursiv),
* `treeSize`: zählt die Knoten im Baum (rekursiv),
* `nextTreeData`: Traversierung mit Hilfe des zuvor implementierten Stacks. */
// Adds a copy of data's pointer destination to the tree using compareFct for ordering. Accepts duplicates
// if isDuplicate is NULL, otherwise ignores duplicates and sets isDuplicate to 1 (or to 0 if a new entry is added).
/*
memcpy
dest - pointer to the memory location to copy to
src - pointer to the memory location to copy from
count - number of bytes to copy
*/
TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFctType compareFct, int *isDuplicate)
{
if (root == NULL)
{
TreeNode *newtreenode = malloc(sizeof(TreeNode));
if (newtreenode != NULL)
{
newtreenode->data = malloc(dataSize);
if (newtreenode->data == NULL)
{
free(newtreenode);
return NULL;
}
memcpy(newtreenode->data, data, dataSize);
newtreenode->left = NULL;
newtreenode->right = NULL;
if (isDuplicate != NULL)
{
*isDuplicate = 0;
}
}
return newtreenode;
}
int compare_value = compareFct(data, root->data); // wie funktioniert comparefcttype funktion? bzw wo steht diese?
if (compare_value == 0 && isDuplicate != NULL)
{
*isDuplicate = 1;
return root;
}
if (compare_value < 0)
{
root->left = addToTree(root->left, data, dataSize, compareFct, isDuplicate);
}
else
{
root->right = addToTree(root->right, data, dataSize, compareFct, isDuplicate);
}
return root;
}
// Iterates over the tree given by root. Follows the usage of strtok. If tree is NULL, the next entry of the last tree given is returned in ordering direction.
@ -69,60 +20,17 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
// push the top node and push all its left nodes.
void *nextTreeData(TreeNode *root)
{
static StackNode *stack = NULL;
TreeNode *currentElement = root;
if (currentElement != NULL)
{
clearStack(stack);
stack = NULL;
while (currentElement != NULL)
{
stack = push(stack, currentElement);
currentElement = currentElement->left;
}
}
if (stack == NULL)
{
return NULL;
}
TreeNode *node = (TreeNode *)top(stack);
stack = pop(stack);
currentElement = node->right;
while (currentElement != NULL)
{
stack = push(stack, currentElement);
currentElement = currentElement->left;
}
return node->data;
}
// Releases all memory resources (including data copies).
void clearTree(TreeNode *root)
{
if (root != NULL)
{
clearTree(root->left);
clearTree(root->right);
free(root->data);
free(root);
}
}
// Returns the number of entries in the tree given by root.
unsigned int treeSize(const TreeNode *root)
{
unsigned int count = 0;
if (root != NULL)
{
count = 1;
count += treeSize(root->right);
count += treeSize(root->left);
}
return count;
}

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@ -22,6 +22,7 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
// wenn neuer Baum dann pushallleft auf wurzel
// immer aufräumen!!!
// kein vorsortiertes array, sonst entarteter Baum
void *nextTreeData(TreeNode *root);
// Releases all memory resources (including data copies).
// sortierte Ausgabe

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@ -1,3 +1,2 @@
jakob;11860
Jakob;4974
player1;3999

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@ -40,9 +40,6 @@ test_numbers:
test_stack:
$(CC) -o test_stack test_stack.c stack.c $(unityfolder)/unity.c $(FLAGS)
test_bintree:
$(CC) -o test_bintree test_bintree.c bintree.c stack.c $(unityfolder)/unity.c $(FLAGS)
# --------------------------
# Clean

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@ -1,51 +0,0 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "unity/unity.h"
#include "bintree.h"
#include "stack.h"
int cmpInt(const void *a, const void *b) {
return *(int *)a - *(int *)b;
}
void test_binary_tree_functions(void)
{
TreeNode *root = NULL;
int dup;
int values[] = {5, 3, 8, 2, 6};
for (int i = 0; i < 5; i++) {
root = addToTree(root, &values[i], sizeof(int), cmpInt, &dup);
TEST_ASSERT_EQUAL_INT(0, dup);
}
int testDup = 5;
root = addToTree(root, &testDup, sizeof(int), cmpInt, &dup);
TEST_ASSERT_EQUAL_INT(1, dup);
TEST_ASSERT_EQUAL_UINT(5, treeSize(root));
int inorderExpected[] = {2, 3, 5, 6, 8};
int idx = 0;
void *data;
for (data = nextTreeData(root); data != NULL; data = nextTreeData(NULL)) {
TEST_ASSERT_EQUAL_INT(inorderExpected[idx], *(int *)data);
idx++;
}
TEST_ASSERT_EQUAL_INT(5, idx);
clearTree(root);
root = NULL;
TEST_ASSERT_NULL(root);
}
void setUp(void) {}
void tearDown(void) {}
int main(void)
{
UNITY_BEGIN();
RUN_TEST(test_binary_tree_functions);
return UNITY_END();
}