Unit Test bintree
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test_bintree.c
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68
test_bintree.c
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "bintree.h"
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// Hilfsfunktion: Vergleich von int
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static int compareInt(const void *a, const void *b) {
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int ia = *(const int *)a;
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int ib = *(const int *)b;
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if (ia < ib) return -1;
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if (ia > ib) return 1;
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return 0;
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}
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int main() {
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printf("===== TEST BINTREE =====\n");
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TreeNode *root = NULL;
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int isDup;
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// Test 1: addToTree - Einfügen eindeutiger Werte
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int val1 = 10, val2 = 5, val3 = 15;
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root = addToTree(root, &val1, sizeof(int), compareInt, &isDup);
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if (isDup != 0) { printf("FAIL: Erstes Einfügen sollte kein Duplikat sein\n"); return 1; }
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root = addToTree(root, &val2, sizeof(int), compareInt, &isDup);
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if (isDup != 0) { printf("FAIL: Zweites Einfügen sollte kein Duplikat sein\n"); return 1; }
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root = addToTree(root, &val3, sizeof(int), compareInt, &isDup);
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if (isDup != 0) { printf("FAIL: Drittes Einfügen sollte kein Duplikat sein\n"); return 1; }
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printf("PASS: addToTree - eindeutige Werte\n");
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// Test 2: addToTree - Duplikat hinzufügen
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int dup = 10;
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root = addToTree(root, &dup, sizeof(int), compareInt, &isDup);
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if (isDup != 1) { printf("FAIL: Duplikat sollte erkannt werden\n"); return 1; }
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printf("PASS: addToTree - Duplikat erkannt\n");
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// Test 3: treeSize
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unsigned int size = treeSize(root);
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if (size != 3) { printf("FAIL: treeSize sollte 3 sein, ist %u\n", size); return 1; }
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printf("PASS: treeSize\n");
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// Test 4: nextTreeData - Iteration (in-order: 5, 10, 15)
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void *data = nextTreeData(root);
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if (data == NULL || *(int*)data != 5) { printf("FAIL: Erstes Element sollte 5 sein\n"); return 1; }
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data = nextTreeData(NULL);
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if (data == NULL || *(int*)data != 10) { printf("FAIL: Zweites Element sollte 10 sein\n"); return 1; }
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data = nextTreeData(NULL);
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if (data == NULL || *(int*)data != 15) { printf("FAIL: Drittes Element sollte 15 sein\n"); return 1; }
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data = nextTreeData(NULL);
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if (data != NULL) { printf("FAIL: Nach dem letzten Element sollte NULL kommen\n"); return 1; }
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printf("PASS: nextTreeData - Iteration\n");
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// Test 5: clearTree
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clearTree(root);
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root = NULL;
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// Nach clearTree sollte treeSize 0 sein (aber da root NULL, testen wir indirekt)
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printf("PASS: clearTree (no crash)\n");
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// Test 6: Leerer Baum
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size = treeSize(NULL);
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if (size != 0) { printf("FAIL: Leerer Baum sollte Größe 0 haben\n"); return 1; }
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data = nextTreeData(NULL);
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if (data != NULL) { printf("FAIL: Leerer Baum sollte NULL zurückgeben\n"); return 1; }
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printf("PASS: Leerer Baum\n");
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printf("ALL BINTREE TESTS PASSED\n");
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return 0;
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}
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BIN
test_bintree.exe
Normal file
BIN
test_bintree.exe
Normal file
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