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addToTreeExpandsTreeCorrectly

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This commit is contained in:
Jonas Hofmann 2025-12-09 01:00:42 +01:00
parent d56a2f7a03
commit 6b30677698
3 changed files with 20 additions and 10 deletions
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25
bintree.c
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@ -51,27 +51,35 @@ TreeNode *addToTree(TreeNode *root, const void *data, size_t dataSize, CompareFc
TreeNode *addToTreeRec(TreeNode *currentNode, TreeNode *newNode, CompareFctType compareFct, int *isDuplicate)
{
printf("entered addRec\n");
if (currentNode == NULL)
if ((currentNode == NULL))
{
printf("currentNode == NULL\n");
if (isDuplicate != NULL)
if (isDuplicate == NULL)
{
*isDuplicate = 0;
return newNode;
}
//else if (isDuplicate != 1)
//{
// *isDuplicate = 0;
// return newNode;
//}
else
{
return currentNode;
}
return newNode;
}
else if (compareFct(&currentNode->data, &newNode->data) < 0)
else if ((compareFct(&currentNode->data, &newNode->data) < 0))
{
printf("compareFct(currentNode->data, newNode->data) < 0\n");
currentNode->left = addToTreeRec(currentNode->left, newNode, compareFct, isDuplicate);
}
else if (compareFct(&currentNode->data, &newNode->data) > 0)
else if ((compareFct(&currentNode->data, &newNode->data) > 0))
{
printf("compareFct(currentNode->data, newNode->data) > 0\n");
currentNode->right = addToTreeRec(currentNode->right, newNode, compareFct, isDuplicate);
}
else if (compareFct(&currentNode->data, &newNode->data) == 0)
else if ((compareFct(&currentNode->data, &newNode->data) == 0))
{
//duplicate
printf("duplicate\n");
@ -81,6 +89,7 @@ TreeNode *addToTreeRec(TreeNode *currentNode, TreeNode *newNode, CompareFctType
}
else
{
printf("setDuplicate\n");
*isDuplicate = 1;
}
}

BIN
bintree.o
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Binary file not shown.

5
bintreeTests.c
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@ -37,7 +37,7 @@ static int compareIntEntries(const void *arg1, const void *arg2)
void test_addToTreeExpandsTreeCorrectly(void)
{
TreeNode *testRoot = NULL;
int *testIsDouble = 0;
int testIsDouble = 0;
int score1 = 12;
int score2 = 6;
int score3 = 18;
@ -102,9 +102,10 @@ void test_addToTreeExpandsTreeCorrectly(void)
testRoot = addToTree(testRoot, &score4, sizeof(int), compareIntEntries, NULL);
TEST_ASSERT_NOT_NULL(testRoot->left->left->left);
TEST_ASSERT_EQUAL_UINT16(score4, testRoot->left->left->left->data);
printf("double passed\n");
// Trying to add Double while Doubles not Permitted
testRoot = addToTree(testRoot, &score7, sizeof(int), compareIntEntries, testIsDouble);
testRoot = addToTree(testRoot, &score7, sizeof(int), compareIntEntries, &testIsDouble);
TEST_ASSERT_NULL(testRoot->right->right->left);
TEST_ASSERT_EQUAL_UINT16(1, testIsDouble);