package com.salesforce.arraylist;

import com.salesforce.util.ShittyTestUtil;

public class GodArrayListTest {

public void testInitialization() {

GodArrayList<String> list = new GodArrayList<String>(3);

ShittyTestUtil.assertEquals(list.size(), 3, "List initialization failed");

for(int i = 0; i < 3; i++)

list.add("Message #" + i);

for(int i = 0; i < 3; i++)

ShittyTestUtil.assertTrue(list.get(i) == null, "Element #" + i + " is other than null");

for(int i = 3; i < 6; i++)

ShittyTestUtil.assertEquals(list.get(i), "Message #" + (i-3), "Element " + i + " failed");

}

public void testAddElement() {

GodArrayList<String> list = new GodArrayList<String>(5);

ShittyTestUtil.assertEquals(list.size(), 5, "List initialization failed");

ShittyTestUtil.assertTrue(list.add("test string") == true, "List add(elem) method failed");

ShittyTestUtil.assertEquals(list.get(5), "test string", "List add(elem) test failed");

ShittyTestUtil.assertEquals(list.size(), 6, "List is wrong size");

}

public void testRemoveMiddleElement() {

GodArrayList<String> list = new GodArrayList<String>(3);

ShittyTestUtil.assertEquals(list.size(), 3, "List initialization failed");

for(int i = 0; i < 3; i++)

list.add("Message #" + i);

ShittyTestUtil.assertEquals(list.size(), 6, "List is wrong size");

list.remove(3);

ShittyTestUtil.assertEquals(list.size(), 5, "List is wrong size");

for(int i = 0; i < 3; i++)

ShittyTestUtil.assertTrue(list.get(i) == null, "Element #" + i + " is other than null");

for(int i = 3; i < 5; i++)

ShittyTestUtil.assertEquals(list.get(i), "Message #" + (i-2), "Element " + i + " failed");

}

public void testAddingMiddleElement() {

GodArrayList<String> list = new GodArrayList<String>(5);

ShittyTestUtil.assertEquals(list.size(), 5, "List is wrong size");

ShittyTestUtil.assertTrue(list.add(3, "test string") == true, "List add(index, elem) method failed");

for(int i = 0; i < 3; i++)

ShittyTestUtil.assertTrue(list.get(i) == null, "Element #" + i + " is other than null");

ShittyTestUtil.assertEquals(list.get(3), "test string", "Element 3 failed");

for(int i = 4; i < 5; i++)

ShittyTestUtil.assertTrue(list.get(i) == null, "Element " + i + " failed");

}

public void testRemovingObject() {

GodArrayList<String> list = new GodArrayList<String>(5);

ShittyTestUtil.assertEquals(list.size(), 5, "List is wrong size");

list.add(3, "test string");

ShittyTestUtil.assertTrue(list.remove("test string"), "List didn't remove element");

ShittyTestUtil.assertEquals(list.size(), 5, "List element removal failed");

}

public void testSetMethod() {

GodArrayList<String> list = new GodArrayList<String>(5);

ShittyTestUtil.assertEquals(list.size(), 5, "List is wrong size");

ShittyTestUtil.assertTrue(list.set(4, "test string") == null, "Set method failed");

ShittyTestUtil.assertEquals(list.get(4), "test string", "Set method test failed");

}

public void testEnsureCapacityMethod() {

GodArrayList<String> list = new GodArrayList<String>(5);

ShittyTestUtil.assertEquals(list.size(), 5, "List is wrong size");

list.ensureCapacity(3);

ShittyTestUtil.assertEquals(list.size(), 5, "List is wrong size");

list.ensureCapacity(6);

ShittyTestUtil.assertEquals(list.size(), 6, "List is wrong size");

}

public void testRemoveRange() {

GodArrayList<String> list = new GodArrayList<String>(7);

for(int i = 0; i < list.size(); i++) {

list.set(i, "insert #" + i);

}

list.removeRange(2, 4);

ShittyTestUtil.assertEquals(list.size(), 5, "List is wrong size");

for(int i = 0; i < 2; i++) {

ShittyTestUtil.assertEquals(list.get(i), "insert #" + i, "RemoveRange method test failed");

}

for(int i = 2; i < list.size(); i++) {

ShittyTestUtil.assertEquals(list.get(i), "insert #" + (i+2), "RemoveRange method test failed");

}

}

}