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Test.java
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Test.java
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//FibonacciHeap Tester
import java.util.ArrayList;
import java.util.Collections;
public class Test {
static Heap heap;
static FibonacciHeap fibonacciHeap;
static double grade;
static double testScore;
public static void main(String[] args) {
grade = 80.0;
testScore = grade / 29;
try {
test0();
} catch (Exception e) {
bugFound("test0");
}
try {
test1();
} catch (Exception e) {
bugFound("test1");
}
try {
test2();
} catch (Exception e) {
bugFound("test2");
}
try {
test3();
} catch (Exception e) {
bugFound("test3");
}
try {
test4();
} catch (Exception e) {
bugFound("test4");
}
try {
test5();
} catch (Exception e) {
bugFound("test5");
}
try {
test6();
} catch (Exception e) {
bugFound("test6");
}
try {
test7();
} catch (Exception e) {
bugFound("test7");
}
try {
test8();
} catch (Exception e) {
bugFound("test8");
}
try {
test9();
} catch (Exception e) {
bugFound("test9");
}
try {
test10();
} catch (Exception e) {
bugFound("test10");
}
try {
test11();
} catch (Exception e) {
bugFound("test11");
}
try {
test12();
} catch (Exception e) {
bugFound("test12");
}
try {
test13();
} catch (Exception e) {
bugFound("test13");
}
try {
test14();
} catch (Exception e) {
bugFound("test14");
}
try {
test15();
} catch (Exception e) {
bugFound("test15");
}
try {
test16();
} catch (Exception e) {
bugFound("test16");
}
try {
test17();
} catch (Exception e) {
bugFound("test17");
}
try {
test18();
} catch (Exception e) {
bugFound("test18");
}
try {
test19();
} catch (Exception e) {
bugFound("test19");
}
try {
test20();
} catch (Exception e) {
bugFound("test20");
}
try {
test21();
} catch (Exception e) {
bugFound("test21");
}
try {
test22();
} catch (Exception e) {
bugFound("test22");
}
try {
test23();
} catch (Exception e) {
bugFound("test23");
}
try {
test24();
} catch (Exception e) {
bugFound("test24");
}
try {
test25();
} catch (Exception e) {
bugFound("test25");
}
try {
test26();
} catch (Exception e) {
bugFound("test26");
}
try {
test27();
} catch (Exception e) {
bugFound("test27");
}
try {
test28();
} catch (Exception e) {
bugFound("test28");
}
System.out.println(grade);
}
static void test0() {
String test = "test0";
fibonacciHeap = new FibonacciHeap();
ArrayList<Integer> numbers = new ArrayList<>();
for (int i = 0; i < 5; i++) {
numbers.add(i);
}
Collections.shuffle(numbers);
for (int i = 0; i < 5; i++) {
fibonacciHeap.insert(numbers.get(i));
}
for (int i = 0; i < 5; i++) {
if (fibonacciHeap.findMin().getKey() != i) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
}
static void test1() {
String test = "test1";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeys(0);
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test2() {
String test = "test2";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeysReverse(0);
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test3() {
String test = "test3";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeys(0);
addKeysReverse(4000);
addKeys(2000);
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test4() {
String test = "test4";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeys(0);
addKeysReverse(4000);
addKeys(2000);
for (int i = 0; i < 1000; i++) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
addKeys(6000);
addKeysReverse(8000);
addKeys(10000);
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test5() {
String test = "test5";
fibonacciHeap = new FibonacciHeap();
addKeys(0);
addKeys(0);
addKeys(0);
for (int i = 0; i < 1000; i++) {
for (int j = 0; j < 3; j++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test6() {
String test = "test6";
fibonacciHeap = new FibonacciHeap();
addKeysReverse(1000);
addKeysReverse(1000);
addKeys(0);
addKeys(0);
addKeys(1000);
addKeys(1000);
addKeysReverse(0);
addKeysReverse(0);
for (int i = 0; i < 2000; i++) {
for (int j = 0; j < 4; j++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test7() {
String test = "test7";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeys(1000);
addKeysReverse(3000);
ArrayList<FibonacciHeap.HeapNode> nodes = new ArrayList<>();
for (int i = 2000; i < 3000; i++) {
heap.insert(i);
nodes.add(fibonacciHeap.insert(i));
}
for (int i = 2000; i < 2500; i++) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.delete(i);
fibonacciHeap.delete(nodes.get(i - 2000));
}
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test8() {
String test = "test8";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeys(7000);
addKeysReverse(9000);
ArrayList<FibonacciHeap.HeapNode> nodes = new ArrayList<>();
for (int i = 2000; i < 3000; i++) {
heap.insert(i);
nodes.add(fibonacciHeap.insert(i));
}
for (int i = 2000; i < 2500; i++) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.delete(i);
fibonacciHeap.delete(nodes.get(i - 2000));
}
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test9() {
String test = "test9";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeys(7000);
addKeysReverse(9000);
ArrayList<FibonacciHeap.HeapNode> nodes = new ArrayList<>();
for (int i = 2000; i < 3000; i++) {
heap.insert(i);
nodes.add(fibonacciHeap.insert(i));
}
for (int i = 2700; i > 2200; i--) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.delete(i);
fibonacciHeap.delete(nodes.get(i - 2000));
}
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test10() {
String test = "test10";
heap = new Heap();
fibonacciHeap = new FibonacciHeap();
addKeys(7000);
addKeysReverse(9000);
ArrayList<FibonacciHeap.HeapNode> nodes = new ArrayList<>();
for (int i = 2000; i < 3000; i++) {
heap.insert(i);
nodes.add(fibonacciHeap.insert(i));
}
heap.deleteMin();
fibonacciHeap.deleteMin();
for (int i = 2700; i > 2200; i--) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.delete(i);
fibonacciHeap.delete(nodes.get(i - 2000));
}
while (!heap.empty()) {
if (heap.findMin() != fibonacciHeap.findMin().getKey() || heap.size() != fibonacciHeap.size()) {
bugFound(test);
return;
}
heap.deleteMin();
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test11() {
String test = "test11";
fibonacciHeap = new FibonacciHeap();
addKeys(1000);
FibonacciHeap.HeapNode h = fibonacciHeap.insert(9999);
fibonacciHeap.decreaseKey(h, 9999);
if (0 != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
for (int i = 1000; i < 2000; i++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test12() {
String test = "test12";
fibonacciHeap = new FibonacciHeap();
addKeys(1000);
FibonacciHeap.HeapNode h = fibonacciHeap.insert(5000);
fibonacciHeap.decreaseKey(h, 4000);
for (int i = 0; i < 2; i++) {
if (1000 != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
for (int i = 1001; i < 2000; i++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test13() {
String test = "test13";
fibonacciHeap = new FibonacciHeap();
addKeys(1000);
FibonacciHeap.HeapNode h = fibonacciHeap.insert(9000);
fibonacciHeap.decreaseKey(h, 4000);
for (int i = 1000; i < 2000; i++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (5000 != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test14() {
String test = "test14";
fibonacciHeap = new FibonacciHeap();
addKeys(1000);
addKeysReverse(7000);
FibonacciHeap.HeapNode h = fibonacciHeap.insert(9000);
fibonacciHeap.decreaseKey(h, 4000);
for (int i = 1000; i < 2000; i++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (5000 != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
for (int i = 7000; i < 8000; i++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test15() {
String test = "test15";
fibonacciHeap = new FibonacciHeap();
for (int i = 1000; i < 10000; i += 1000) {
addKeys(i);
}
fibonacciHeap.deleteMin();
FibonacciHeap.HeapNode h = fibonacciHeap.insert(99999);
fibonacciHeap.decreaseKey(h, 99999);
if (0 != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
for (int i = 1001; i < 10000; i++) {
if (i != fibonacciHeap.findMin().getKey()) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (!fibonacciHeap.empty())
bugFound(test);
}
static void test16() {
String test = "test16";
fibonacciHeap = new FibonacciHeap();
int cuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
fibonacciHeap.insert(1);
fibonacciHeap.insert(2);
fibonacciHeap.insert(3);
if (fibonacciHeap.potential() != 3 ||
FibonacciHeap.totalCuts() - cuts != 0 ||
FibonacciHeap.totalLinks() - links != 0 ||
fibonacciHeap.countersRep()[0] != 3)
bugFound(test);
}
static void test17() {
String test = "test17";
fibonacciHeap = new FibonacciHeap();
int cuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
fibonacciHeap.insert(1);
fibonacciHeap.insert(2);
fibonacciHeap.insert(3);
fibonacciHeap.deleteMin();
if (fibonacciHeap.potential() != 1 ||
FibonacciHeap.totalCuts() - cuts != 0 ||
FibonacciHeap.totalLinks() - links != 1 ||
fibonacciHeap.countersRep()[0] != 0 ||
fibonacciHeap.countersRep()[1] != 1)
bugFound(test);
}
static void test18() {
String test = "test18";
fibonacciHeap = new FibonacciHeap();
int cuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
fibonacciHeap.insert(4);
fibonacciHeap.insert(5);
fibonacciHeap.insert(6);
fibonacciHeap.deleteMin();
fibonacciHeap.insert(1);
fibonacciHeap.insert(2);
fibonacciHeap.insert(3);
fibonacciHeap.deleteMin();
fibonacciHeap.insert(1);
fibonacciHeap.deleteMin();
if (fibonacciHeap.potential() != 1 ||
FibonacciHeap.totalCuts() - cuts != 0 ||
FibonacciHeap.totalLinks() - links != 3 ||
fibonacciHeap.countersRep()[0] != 0 ||
fibonacciHeap.countersRep()[1] != 0 ||
fibonacciHeap.countersRep()[2] != 1)
bugFound(test);
}
static void test19() {
String test = "test19";
fibonacciHeap = new FibonacciHeap();
int cuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
fibonacciHeap.insert(4);
fibonacciHeap.insert(5);
FibonacciHeap.HeapNode node = fibonacciHeap.insert(6);
fibonacciHeap.deleteMin();
fibonacciHeap.insert(1);
fibonacciHeap.insert(2);
fibonacciHeap.insert(3);
fibonacciHeap.deleteMin();
fibonacciHeap.insert(1);
fibonacciHeap.deleteMin();
fibonacciHeap.decreaseKey(node, 2);
if (fibonacciHeap.potential() != 4 ||
FibonacciHeap.totalCuts() - cuts != 1 ||
FibonacciHeap.totalLinks() - links != 3)
bugFound(test);
}
static void test20() {
String test = "test20";
fibonacciHeap = new FibonacciHeap();
fibonacciHeap.insert(4);
FibonacciHeap.HeapNode node5 = fibonacciHeap.insert(5);
FibonacciHeap.HeapNode node6 = fibonacciHeap.insert(6);
fibonacciHeap.deleteMin();
fibonacciHeap.insert(1);
fibonacciHeap.insert(2);
fibonacciHeap.insert(3);
fibonacciHeap.deleteMin();
fibonacciHeap.insert(1);
fibonacciHeap.deleteMin();
int cuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
fibonacciHeap.decreaseKey(node6, 2);
fibonacciHeap.decreaseKey(node5, 1);
if (fibonacciHeap.potential() != 4 ||
FibonacciHeap.totalCuts() - cuts != 1 ||
FibonacciHeap.totalLinks() - links != 0)
bugFound(test);
}
static void test21() {
String test = "test21";
fibonacciHeap = new FibonacciHeap();
int treeSize = 32768;
int sizeToDelete = 1000;
int potential;
ArrayList<FibonacciHeap.HeapNode> nodes = new ArrayList<>();
for (int i = treeSize; i < treeSize * 2; i++) {
nodes.add(fibonacciHeap.insert(i));
}
for (int i = 0; i < sizeToDelete; i++) {
fibonacciHeap.insert(i);
}
for (int i = 0; i < sizeToDelete; i++) {
fibonacciHeap.deleteMin();
}
if (fibonacciHeap.potential() != 1) {
bugFound(test);
}
}
static void test22() {
String test = "test22";
fibonacciHeap = new FibonacciHeap();
int treeSize = 32768;
int sizeToDelete = 1000;
ArrayList<FibonacciHeap.HeapNode> nodes = new ArrayList<>();
for (int i = treeSize; i < treeSize * 2; i++) {
nodes.add(fibonacciHeap.insert(i));
}
for (int i = 0; i < sizeToDelete; i++) {
fibonacciHeap.insert(i);
}
for (int i = 0; i < sizeToDelete; i++) {
fibonacciHeap.deleteMin();
}
if (fibonacciHeap.potential() != 1)
bugFound(test);
int totalCuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
boolean noCascading = true;
int iterationCuts;
Collections.shuffle(nodes);
for (int i = 0; i < treeSize; i++) {
iterationCuts = FibonacciHeap.totalCuts();
fibonacciHeap.decreaseKey(nodes.get(i), nodes.get(i).getKey() - (treeSize - i));
if (FibonacciHeap.totalCuts() - iterationCuts > 1)
noCascading = false;
}
if (fibonacciHeap.potential() != treeSize ||
FibonacciHeap.totalCuts() - totalCuts != treeSize - 1 ||
FibonacciHeap.totalLinks() - links != 0 ||
fibonacciHeap.countersRep()[0] != treeSize ||
noCascading)
bugFound(test);
}
static void test23() {
String test = "test23";
fibonacciHeap = new FibonacciHeap();
int size = 1000;
int totalCuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
for (int i = size; i > 0; i--) {
fibonacciHeap.insert(i);
}
if (fibonacciHeap.potential() != size ||
FibonacciHeap.totalCuts() - totalCuts != 0 ||
FibonacciHeap.totalLinks() - links != 0)
bugFound(test);
}
static void test24() {
String test = "test24";
fibonacciHeap = new FibonacciHeap();
int size = 2000;
int totalCuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
for (int i = size; i > 0; i--) {
fibonacciHeap.insert(i);
}
if (fibonacciHeap.potential() != size ||
FibonacciHeap.totalCuts() - totalCuts != 0 ||
FibonacciHeap.totalLinks() - links != 0)
bugFound(test);
}
static void test25() {
String test = "test25";
fibonacciHeap = new FibonacciHeap();
int size = 3000;
int totalCuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
for (int i = size; i > 0; i--) {
fibonacciHeap.insert(i);
}
if (fibonacciHeap.potential() != size ||
FibonacciHeap.totalCuts() - totalCuts != 0 ||
FibonacciHeap.totalLinks() - links != 0)
bugFound(test);
}
static void test26() {
String test = "test26";
fibonacciHeap = new FibonacciHeap();
int size = 1000;
int totalCuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
for (int i = size; i > 0; i--) {
fibonacciHeap.insert(i);
}
for (int i = 0; i < size / 2; i++) {
if (fibonacciHeap.findMin().getKey() != i + 1) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (fibonacciHeap.potential() > 100 ||
FibonacciHeap.totalCuts() - totalCuts != 0 ||
FibonacciHeap.totalLinks() - links < size - 100)
bugFound(test);
}
static void test27() {
String test = "test27";
fibonacciHeap = new FibonacciHeap();
int size = 2000;
int totalCuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
for (int i = size; i > 0; i--) {
fibonacciHeap.insert(i);
}
for (int i = 0; i < size / 2; i++) {
if (fibonacciHeap.findMin().getKey() != i + 1) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (fibonacciHeap.potential() > 100 ||
FibonacciHeap.totalCuts() - totalCuts != 0 ||
FibonacciHeap.totalLinks() - links < size - 100)
bugFound(test);
}
static void test28() {
String test = "test28";
fibonacciHeap = new FibonacciHeap();
int size = 3000;
int totalCuts = FibonacciHeap.totalCuts();
int links = FibonacciHeap.totalLinks();
for (int i = size; i > 0; i--) {
fibonacciHeap.insert(i);
}
for (int i = 0; i < size / 2; i++) {
if (fibonacciHeap.findMin().getKey() != i + 1) {
bugFound(test);
return;
}
fibonacciHeap.deleteMin();
}
if (fibonacciHeap.potential() > 100 ||
FibonacciHeap.totalCuts() - totalCuts != 0 ||
FibonacciHeap.totalLinks() - links < size - 100)
bugFound(test);
}
static void bugFound(String test) {
System.out.println("Bug found in " + test);
grade -= testScore;
}
static void addKeys(int start) {
for (int i = 0; i < 1000; i++) {
heap.insert(start + i);
fibonacciHeap.insert(start + i);
}
}
static void addKeysReverse(int start) {
for (int i = 999; i >= 0; i--) {
heap.insert(start + i);
fibonacciHeap.insert(start + i);
}
}
}