content: /*
   * This file was automatically generated by UTestGen and EvoSuite
   * Wed Mar 20 21:00:02 GMT 2024
   */
  
  package com.allenstudio.ir.util;
  
  import org.junit.jupiter.api.Test;
  import static org.junit.jupiter.api.Assertions.*;
  import org.junit.jupiter.api.Timeout;
  import java.util.concurrent.TimeUnit;
  import static org.evosuite.shaded.org.mockito.Mockito.*;
  import com.allenstudio.ir.util.XmlElement;
  import java.util.Enumeration;
  import java.util.Hashtable;
  import java.util.List;
  import java.util.Observer;
  import org.evosuite.runtime.EvoRunner;
  import org.evosuite.runtime.EvoRunnerParameters;
  import org.evosuite.runtime.ViolatedAssumptionAnswer;
  import org.junit.runner.RunWith;
  
  @RunWith(EvoRunner.class) @EvoRunnerParameters(mockJVMNonDeterminism = true, useVFS = true, useVNET = true, resetStaticState = true, separateClassLoader = true) 
  public class XmlElement_ESTest extends XmlElement_ESTest_scaffolding {
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testRemoveElementTakingIntReturningXmlElementWhereCountIsZero() throws Throwable  {
        // Given a new XmlElement instance with no sub-elements
        XmlElement xmlElement = new XmlElement();
        
        // When adding a new sub-element with the key "ky1"
        XmlElement addSubElement = xmlElement.addSubElement("ky1");
        
        // Then the added element should be returned as the result of the remove operation
        XmlElement removeElement = xmlElement.removeElement(0);
        assertSame(removeElement, addSubElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testRemoveElementTakingIntReturningXmlElementWhereCountIsPositive() throws Throwable  {
        // Given a XML element with sub-elements
        XmlElement xmlElement = new XmlElement();
        xmlElement.addSubElement("fi6");
        xmlElement.addSubElement("w@{");
        
        // When removing the first sub-element
        xmlElement.removeElement(0);
        
        // Then the count of sub-elements is 1
        assertEquals(1, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetParentReturningXmlElementWhereCountObserversIsPositive() throws Throwable  {
        XmlElement xmlElement = new XmlElement();
        // Create a mock observer object to add to the XML element
        Observer arg0 = mock(Observer.class, new ViolatedAssumptionAnswer());
        
        // Add the mock observer to the XML element
        xmlElement.addObserver(arg0);
        
        // Create a sub-element with a specific name and data
        XmlElement addSubElement = xmlElement.addSubElement("HW", "IukNr+6U~zF");
        
        // Verify that the sub-element was created successfully
        assertNotNull(addSubElement);
        
        // Get the parent element of the added sub-element
        XmlElement parent = addSubElement.getParent();
        
        // Verify that the parent element is not null
        assertNotNull(parent);
        
        // Verify that the parent element has one observer
        assertEquals(1, parent.countObservers());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetParent() throws Throwable  {
        // Create an instance of XmlElement with a specific value
        XmlElement xmlElement = new XmlElement("WC;C_,*");
        
        // Call the addSubElement method and pass it a string argument
        XmlElement addSubElement = xmlElement.addSubElement("WC;C_,*");
        
        // Get the parent of the sub element that was just added
        XmlElement parent = addSubElement.getParent();
        
        // Assert that the count of elements in the parent is 1
        assertEquals(1, parent.count());
        
        // Assert that the parent is not null
        assertNotNull(parent);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetNameReturningNull() throws Throwable  {
        // Given
        XmlElement xmlElement = new XmlElement();
        
        // When
        String name = xmlElement.getName();
        
        // Then
        assertNull(name);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetNameReturningEmptyString() throws Throwable  {
        // Set up the test fixture
        Hashtable<String, String> arg1 = new Hashtable<>();
        XmlElement xmlElement = new XmlElement("", arg1);
        
        // Execute the code under test
        String name = xmlElement.getName();
        
        // Verify the results
        assertEquals("", name);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementsReturningNull() throws Throwable  {
        // Given: a non-null XmlElement with subElements set to null
        XmlElement xmlElement = new XmlElement();
        xmlElement.subElements = null;
        
        // When: calling getElements on the XmlElement
        List elements = xmlElement.getElements();
        
        // Then: the result should be null
        assertNull(elements);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementsReturningListWhereIsEmptyIsFalse() throws Throwable  {
        // rollbacked to evosuite
        XmlElement xmlElement = new XmlElement("|]");
        XmlElement addSubElement = xmlElement.addSubElement("", "|]");
        assertEquals("|]", addSubElement.getData());
        assertNotNull(addSubElement);
        
        xmlElement.getElements();
        assertNotSame(xmlElement, addSubElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementTakingStringReturningXmlElementWhereCountObserversIsPositive() throws Throwable  {
        // Given: We have a XmlElement object called "xmlElement" with the name "WC;C_,*" and it has a sub-element called "addSubElement".
        XmlElement xmlElement = new XmlElement("WC;C_,*");
        XmlElement addSubElement = xmlElement.addSubElement("WC;C_,*");
        assertNotNull(addSubElement);
        
        // When: We create a mock Observer object using the ViolatedAssumptionAnswer class and pass it as an argument to the addObserver method of the "addSubElement" sub-element.
        Observer arg0 = mock(Observer.class, new ViolatedAssumptionAnswer());
        addSubElement.addObserver(arg0);
        
        // Then: We retrieve the sub-element from the XmlElement object using the getElement method and verify that it has a count of 1 observer.
        XmlElement element = xmlElement.getElement("WC;C_,*");
        assertNotNull(element);
        assertEquals(1, element.countObservers());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementTakingIntReturningXmlElementWhereCountIsZero() throws Throwable  {
        // rollbacked to evosuite
        XmlElement xmlElement = new XmlElement("ky1)");
        XmlElement addSubElement = xmlElement.addSubElement("ky1)");
        assertEquals(1, xmlElement.count());
        
        xmlElement.getElement(0);
        assertNotSame(xmlElement, addSubElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementTakingIntReturningXmlElementWhereCountIsPositive() throws Throwable  {
        // rollbacked to evosuite
        XmlElement xmlElement = new XmlElement();
        xmlElement.addSubElement("i6\"o.`wl@{7eM");
        xmlElement.getElement(0);
        assertEquals(1, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetDataReturningNull() throws Throwable  {
        // Create a new instance of the XmlElement class with an empty name and an empty hashtable as arguments
        Hashtable<String, String> arg1 = new Hashtable<String, String>();
        XmlElement xmlElement = new XmlElement("", arg1);
        
        // Get the data from the XmlElement object
        String data = xmlElement.getData();
        
        // Assert that the data is null
        assertNull(data);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributesReturningHashtableWhereIsEmptyIsTrue() throws Throwable  {
        // Given an XML element with no attributes
        XmlElement xmlElement = new XmlElement();
        
        // When the element's attributes are retrieved
        Hashtable<String, String> attributes = xmlElement.getAttributes();
        
        // Then the resulting hashtable should be empty
        assertTrue(attributes.isEmpty());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributesReturningHashtableWhereIsEmptyIsFalse() throws Throwable  {
        // Create an instance of the XmlElement class and add an attribute to it
        XmlElement xmlElement = new XmlElement();
        xmlElement.addAttribute("attributeName", "attributeValue");
        
        // Get the attributes of the XmlElement as a Hashtable
        Hashtable<String, String> attributes = xmlElement.getAttributes();
        
        // Check that the size of the attributes Hashtable is 1
        assertEquals(1, attributes.size());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributeTaking2ArgumentsReturningEmptyString() throws Throwable  {
        // Given an XmlElement object with a specific attribute
        XmlElement xmlElement = new XmlElement();
        xmlElement.addAttribute("attr1", "value1");
        
        // When a new attribute is added to the XmlElement object
        String attribute = xmlElement.getAttribute("attr2", "value2");
        
        // Then the new attribute should be returned, and the old attributes should still exist
        assertNotNull(attribute);
        assertEquals("value2", attribute);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributeTakingStringReturningNonEmptyString() throws Throwable  {
        // Given a XML element with an age attribute set to 21
        XmlElement xmlElement = new XmlElement();
        xmlElement.addAttribute("age", "21");
        
        // When the getAttribute method is called with "age" as parameter
        String attribute = xmlElement.getAttribute("age");
        
        // Then the value of the age attribute should be returned, which is 21 in this case
        assertEquals("21", attribute);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributeTakingStringReturningEmptyString() throws Throwable  {
        // Create a new XML element and add an attribute with a key and value
        XmlElement xmlElement = new XmlElement();
        xmlElement.addAttribute("key", "value");
        
        // Retrieve the added attribute using its key
        String attribute = xmlElement.getAttribute("key");
        
        // Assert that the retrieved attribute has the expected value
        assertEquals("value", attribute);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCountReturningPositive() throws Throwable  {
        // Given a new XmlElement instance created with a random string data
        XmlElement xmlElement = new XmlElement("FPp{[p8'L9U{");
        
        // When a sub-element is added to the element using its addSubElement method
        XmlElement addSubElement = xmlElement.addSubElement("_JI~", "_JI~");
        
        // Then the sub-element should not be null
        assertNotNull(addSubElement);
        
        // And the data of the sub-element should match the given data
        assertEquals("_JI~", addSubElement.getData());
        
        // Given a count method is called on the element
        xmlElement.count();
        
        // Then the element's reference should not be the same as the sub-element's reference
        assertNotSame(xmlElement, addSubElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddAttributeReturningNonNull() throws Throwable  {
        // No Comments were added
        Hashtable<String, String> arg1 = new Hashtable<String, String>();
        XmlElement xmlElement = new XmlElement("s9", arg1);
        xmlElement.getAttribute("", "s9");
        xmlElement.addAttribute("", "s9");
        assertFalse(arg1.isEmpty());
        assertEquals(1, arg1.size());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTaking2ArgumentsAndCallsPrintNode() throws Throwable  {
        // Create an XmlElement object with a specific name and value
        XmlElement arg0 = new XmlElement("j72e^2]uqOXz~>@Q&4", "j72e^2]uqOXz~>@Q&4");
        
        // Print the node of the XmlElement object using the printNode() method
        XmlElement.printNode(arg0, "j72e^2]uqOXz~>@Q&4");
        
        // Assert that the number of observers for the XmlElement object is 0
        assertEquals(0, arg0.countObservers());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddSubElementTakingXmlElement() throws Throwable  {
        // No Comments were added
        Hashtable<String, String> arg1 = new Hashtable<String, String>();
        XmlElement arg0 = new XmlElement("", arg1);
        arg0.addSubElement(arg0);
        XmlElement element = arg0.getElement("");
        assertEquals(1, element.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTaking2ArgumentsAndCallsRemoveFromParent() throws Throwable  {
        // Arrange
        Hashtable<String, String> arg1 = new Hashtable<String, String>();
        XmlElement xmlElement = new XmlElement("", arg1);
        
        // Act
        xmlElement.removeFromParent();
        
        // Assert
        assertEquals(0, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddAttributeWithNull() throws Throwable  {
        // Given: A new XmlElement object is created
        XmlElement xmlElement = new XmlElement();
        
        // When: The addAttribute method is called with null values for the attribute name and value
        Object addAttribute = xmlElement.addAttribute(null, null);
        
        // Then: The method should return null as it cannot create an attribute with a null name or value
        assertNull(addAttribute);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetNameReturningNonEmptyString() throws Throwable  {
        // No Comments were added
        XmlElement xmlElement = new XmlElement(".EGQIF]oEY)voX//", ".EGQIF]oEY)voX//");
        String name = xmlElement.getName();
        assertEquals(".EGQIF]oEY)voX//", name);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testSetData() throws Throwable  {
        // Given an XmlElement object with a null argument and a new Hashtable<String, String> object
        Hashtable<String, String> arg1 = new Hashtable<String, String>();
        XmlElement xmlElement = new XmlElement("2.c.yjp", arg1);
        
        // When we set the data of the XmlElement object to an empty string
        xmlElement.setData("");
        
        // Then we expect the getData() method to return an empty string
        String data = xmlElement.getData();
        assertEquals("", data);
        
        // And we expect the XmlElement object to be not null
        assertNotNull(data);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementsReturningListWhereIsEmptyIsTrueAndListWhereSizeIsZero() throws Throwable  {
        // Given an XmlElement instance with no child elements
        XmlElement xmlElement = new XmlElement();
        
        // When the element's list of child elements is retrieved
        List<XmlElement> elements = xmlElement.getElements();
        
        // Then the size of the list should be 0
        assertEquals(0, elements.size());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetDataReturningNonEmptyString() throws Throwable  {
        // Given a XmlElement instance with a specific value for the "data" attribute
        XmlElement xmlElement = new XmlElement("com.allenstudio.ir.util.XmlElement", "com.allenstudio.ir.util.XmlElement");
        
        // When we call the getData method on this instance
        String data = xmlElement.getData();
        
        // Then we expect the value of the "data" attribute to be returned
        assertEquals("com.allenstudio.ir.util.XmlElement", data);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testSetAttributes() throws Throwable  {
        // rollbacked to evosuite
        XmlElement xmlElement = new XmlElement();
        xmlElement.setAttributes((Hashtable<String, String>) null);
        assertEquals(0, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributesReturningNull() throws Throwable  {
        // Given an XmlElement object with no attributes
        XmlElement xmlElement = new XmlElement("", (Hashtable<String, String>) null);
        
        // When we call the getAttributes method on this XmlElement object
        Hashtable<String, String> actualAttributes = xmlElement.getAttributes();
        
        // Then the returned value should be null
        assertNull(actualAttributes);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testSetParent() throws Throwable  {
        // Create a new XmlElement with some data
        XmlElement original = new XmlElement("~yf7", "Could not clone XmlElement: ");
        
        // Set the parent of the element to itself
        original.setParent(original);
        
        // Get the parent of the element
        XmlElement parent = original.getParent();
        
        // Assert that the parent is the same as the original element
        assertEquals("Could not clone XmlElement: ", parent.getData());
        assertNotNull(parent);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributeTakingStringReturningNull() throws Throwable  {
        // Given: A new XmlElement instance and a "age" attribute that does not exist
        XmlElement xmlElement = new XmlElement();
        
        // When: The "age" attribute is retrieved using the getAttribute method
        String attribute = xmlElement.getAttribute("age");
        
        // Then: The returned value should be null, indicating that the attribute does not exist
        assertNull(attribute);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddElement() throws Throwable  {
        // Given a XML element object
        XmlElement xmlElement = new XmlElement();
        
        // When the addElement method is called with the same XML element as an argument
        boolean added = xmlElement.addElement(xmlElement);
        
        // Then the method should return true indicating that the element was successfully added
        assertTrue(added);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTaking2ArgumentsAndCallsHashCode0() throws Throwable  {
        // Create a new XML element with null name and null value
        XmlElement xmlElement = new XmlElement((String) null, (String) null);
        
        // Set the subElements to null
        xmlElement.subElements = null;
        
        // Call the hashCode method on the XML element
        int hashCode = xmlElement.hashCode();
        
        // Assert that the hash code is not equal to 0
        assertNotEquals(0, hashCode);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTaking2ArgumentsAndCallsHashCode1() throws Throwable  {
        // Given: An empty XML element with no attributes or children
        XmlElement xmlElement = new XmlElement("", "");
        
        // When: The hash code of the element is calculated
        int hashCode = xmlElement.hashCode();
        
        // Then: The hash code should be 0, since there are no attributes or children
        assertEquals(0, hashCode);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTakingNoArgumentsAndCallsHashCode() throws Throwable  {
        // Given
        XmlElement xmlElement = new XmlElement();
        xmlElement.attributes = null;
        
        // When
        int hashCode = xmlElement.hashCode();
        
        // Then
        assertEquals(0, hashCode);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testEqualsAndAddSubElementTakingString() throws Throwable  {
        // Given
        XmlElement xmlElement = new XmlElement("WC;C_,*");
        XmlElement arg0 = xmlElement.addSubElement("WC;C_,*");
        
        // When
        boolean equals = xmlElement.equals(arg0);
        
        // Then
        assertEquals(1, xmlElement.count());
        assertFalse(equals);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddAttributeWithNonEmptyStringAndNonEmptyString() throws Throwable  {
        // No Comments were added
        XmlElement xmlElement = new XmlElement("Could not clone XmlElement: ", "g");
        Object arg0 = xmlElement.clone();
        assertTrue(arg0.equals((Object)xmlElement));
        
        xmlElement.addAttribute("Could not clone XmlElement: ", "g");
        boolean equals = xmlElement.equals(arg0);
        assertFalse(arg0.equals((Object)xmlElement));
        assertFalse(equals);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTakingNoArgumentsAndCallsEquals() throws Throwable  {
        // Given: A new XmlElement object with an empty string value
        XmlElement xmlElement = new XmlElement();
        
        // When: The equals method is called with a non-empty string value
        boolean actualResult = xmlElement.equals("This is a sample XML element.");
        
        // Then: The result should be false, as the string values are not equal
        assertFalse(actualResult);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testEqualsWithNull() throws Throwable  {
        // Given a new instance of XmlElement
        XmlElement xmlElement = new XmlElement();
        
        // When we call the equals method with null as an argument
        boolean actual = xmlElement.equals((Object) null);
        
        // Then the result should be false
        assertFalse(actual);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testEqualsAndCreatesXmlElementTakingNoArgumentsAndCreatesXmlElementTakingString() throws Throwable  {
        // Given a new XmlElement object
        XmlElement xmlElement = new XmlElement();
        
        // When comparing an empty string to the XmlElement object
        String emptyString = "";
        boolean equals = xmlElement.equals(emptyString);
        
        // Then assert that it is not equal
        assertFalse(equals);
        
        // And also assert that the XmlElement object is not equal to the empty string as an Object
        assertFalse(xmlElement.equals((Object)emptyString));
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testEqualsReturningTrue() throws Throwable  {
        // No Comments were added
        Hashtable<String, String> arg1 = new Hashtable<String, String>();
        XmlElement arg0 = new XmlElement("", arg1);
        boolean equals = arg0.equals(arg0);
        assertTrue(equals);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTakingNoArgumentsAndCallsClone() throws Throwable  {
        // Test that the clone method returns a different object than the original
        XmlElement xmlElement = new XmlElement();
        xmlElement.subElements = null;
        Object clone = xmlElement.clone();
        assertNotSame(clone, xmlElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTaking2ArgumentsAndCallsClone() throws Throwable  {
        // Given a XML element with a specific name and value
        XmlElement xmlElement = new XmlElement("?h+Xu", (Hashtable<String, String>) null);
        
        // When the element is cloned
        Object clone = xmlElement.clone();
        
        // Then the clone should not be the same instance as the original element
        assertNotSame(clone, xmlElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTakingStringAndCallsPrintNode() throws Throwable  {
        // Given a XML element with name "person" and no data
        XmlElement person = new XmlElement("<person>");
        
        // When we print the node using the printNode method
        XmlElement.printNode(person, "<name>John Doe</name>");
        
        // Then the output should be the expected value
        assertEquals("<person>", person.getName());
        assertEquals("", person.getData());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTakingNoArgumentsAndCallsAddSubElementTakingString() throws Throwable  {
        // Given a new XmlElement instance with no sub-elements
        XmlElement xmlElement = new XmlElement();
        
        // When we add a new sub-element to the element using the "addSubElement" method
        xmlElement.addSubElement(".w 4r{wu>(");
        
        // Then we expect the count of sub-elements to be 1
        assertEquals(1, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddSubElementTaking2Arguments() throws Throwable  {
        // Test that an element can be added to another element
        XmlElement xmlElement = new XmlElement();
        
        // Create a sub-element with the name "childElementName"
        XmlElement addSubElement = xmlElement.addSubElement("childElementName", "childElementName");
        
        // Assert that the returned element is not null and has the expected data
        assertNotNull(addSubElement);
        assertEquals("childElementName", addSubElement.getData());
        
        // Get an element with the name "parentElementName" from the main element
        XmlElement element = xmlElement.getElement("parentElementName");
        
        // Assert that no element was returned and that the main element is not the same as the sub-element
        assertNull(element);
        assertNotSame(xmlElement, addSubElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementTakingStringReturningXmlElementWhereHasChangedIsFalse() throws Throwable  {
        // Given a new XmlElement instance
        XmlElement xmlElement = new XmlElement();
        
        // When we add a sub-element with an ID of "7SKC4|SUx.3ve:"
        xmlElement.addSubElement("7SKC4|SUx.3ve:");
        
        // Then the number of elements in the element should be 1
        assertEquals(1, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetElementTakingStringReturningNull() throws Throwable  {
        // Given: an XmlElement object and an invalid input string
        XmlElement xmlElement = new XmlElement();
        String inputString = ".EGQIF]oEY)voX//";
        
        // When: the getElement method is called with the invalid input string
        XmlElement element = xmlElement.getElement(inputString);
        
        // Then: the returned element should be null
        assertNull(element);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTakingNoArgumentsAndCallsRemoveFromParent() throws Throwable  {
        // Given: An XML element is created with a parent element
        XmlElement xmlElement = new XmlElement();
        xmlElement.parent = xmlElement;
        
        // When: The element is removed from its parent
        xmlElement.removeFromParent();
        
        // Then: The element's "hasChanged" method returns false
        assertFalse(xmlElement.hasChanged());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testRemoveElementTakingXmlElementReturningXmlElementWhereCountIsZero() throws Throwable  {
        // Given a XmlElement object with one sub-element
        XmlElement xmlElement = new XmlElement();
        XmlElement arg0 = xmlElement.addSubElement("cK-,%%");
        assertEquals(1, xmlElement.count());
        
        // When the sub-element is removed from the XmlElement object
        XmlElement removeElement = xmlElement.removeElement(arg0);
        
        // Then the XmlElement object should no longer have any sub-elements
        assertNotSame(xmlElement, removeElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testRemoveElementTakingXmlElement() throws Throwable  {
        // Given: An XmlElement object is created and a sub-element is added to it.
        XmlElement xmlElement = new XmlElement();
        XmlElement subElement = xmlElement.addSubElement("com.allenstudio.ir.util.XmlElement");
        
        // When: The sub-element is removed from the XmlElement object.
        xmlElement.removeElement(subElement);
        
        // Then: The count of elements in the XmlElement object should be 1.
        assertEquals(1, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testRemoveElementTakingXmlElementReturningNull() throws Throwable  {
        // Tests that the removeElement() method returns null when attempting to remove a non-existent element from an XmlElement object
        XmlElement arg0 = new XmlElement();
        XmlElement removeElement = arg0.removeElement(arg0);
        assertNull(removeElement);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddAttributeWithNullAndEmptyString() throws Throwable  {
        // Given a valid XML element and an invalid attribute name
        XmlElement xmlElement = new XmlElement();
        String invalidAttrName = null;
        
        // When the addAttribute method is called with an invalid attribute name
        Object addAttribute = xmlElement.addAttribute(invalidAttrName, "");
        
        // Then the method should return null
        assertNull(addAttribute);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributeTaking2ArgumentsReturningNull() throws Throwable  {
        // Given: a XmlElement with no attributes
        XmlElement xmlElement = new XmlElement();
        
        // When: getting the attribute with name "lxZ(j)"
        String attribute = xmlElement.getAttribute("lxZ(j)", (String) null);
        
        // Then: the method should return null
        assertNull(attribute);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testSetName() throws Throwable  {
        XmlElement xmlElement = new XmlElement();
        
        // Given
        String name = "root";
        
        // When
        xmlElement.setName(name);
        
        // Then
        assertEquals(0, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAppend() throws Throwable  {
        // Given: an XmlElement instance with no observers
        XmlElement element = new XmlElement();
        
        // When: the element is appended to itself
        element.append(element);
        
        // Then: the count of observers should be 0
        assertEquals(0, element.countObservers());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testClone() throws Throwable  {
        // rollbacked to evosuite
        XmlElement xmlElement = new XmlElement();
        xmlElement.addSubElement("This is a test string.");
        xmlElement.clone();
        assertEquals(1, xmlElement.count());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCreatesXmlElementTaking2ArgumentsAndCallsAddSubElementTakingString() throws Throwable  {
        // Given a XmlElement with multiple sub-elements
        Hashtable<String, String> arg1 = new Hashtable<String, String>();
        XmlElement xmlElement = new XmlElement("", arg1);
        xmlElement.addSubElement("com.allenstudio.ir.util.XmlElement");
        xmlElement.addSubElement("com.allenstudio.ir.util.XmlElement");
        
        // When the count method is called on the XmlElement
        int actualCount = xmlElement.count();
        
        // Then the count method should return 2, indicating the number of sub-elements
        assertEquals(2, actualCount);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testInsertElement() throws Throwable  {
        // Given an XmlElement object to be cloned
        XmlElement original = new XmlElement("~yf7", "Could not clone XmlElement: ");
        
        // When the element is inserted into a new position in the same document
        original.insertElement(original, 0);
        
        // Then the data of the cloned element should be equal to the original element's data
        assertEquals("Could not clone XmlElement: ", original.getData());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testNotifyObservers() throws Throwable  {
        // Given: Set up the XML element with some data
        XmlElement xmlElement = new XmlElement();
        xmlElement.setData("some-data");
        
        // When: Call notifyObservers method on the XML element
        xmlElement.notifyObservers();
        
        // Then: Verify that the observer was notified with the correct data
        assertEquals("some-data", xmlElement.getData());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetParentReturningNull() throws Throwable  {
        // Given a XML element, we want to ensure that it has a null parent reference
        XmlElement xmlElement = new XmlElement();
        
        // When the parent of the element is retrieved
        XmlElement parent = xmlElement.getParent();
        
        // Then we assert that the parent is null
        assertNull(parent);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testPrintNodeWithXmlElementWhereCountIsPositive() throws Throwable  {
        // Create a new XmlElement object and add a sub-element to it with the name "root" and data "This is a root element."
        XmlElement arg0 = new XmlElement();
        XmlElement addSubElement = arg0.addSubElement("root", "This is a root element.");
        assertNotNull(addSubElement); // Check that the sub-element was created successfully
        assertEquals("This is a root element.", addSubElement.getData()); // Check that the data of the sub-element is correct
        assertEquals("root", addSubElement.getName()); // Check that the name of the sub-element is correct
        
        // Print the node to the console using the "Q$RNq`|+%w_" parameter
        XmlElement.printNode(arg0, "Q$RNq`|+%w_");
        assertNotSame(arg0, addSubElement); // Check that the object is not the same as the added sub-element
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testRemoveAllElements() throws Throwable  {
        // Create a new XML element
        XmlElement xmlElement = new XmlElement();
        
        // Remove all elements from the element
        xmlElement.removeAllElements();
        
        // Assert that the element is empty
        assertNull(xmlElement.getData());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributeNames() throws Throwable  {
        // Given the fact that we have an XmlElement object
        XmlElement xmlElement = new XmlElement();
        
        // When we call getAttributeNames() method on this element
        Enumeration attributeNames = xmlElement.getAttributeNames();
        
        // Then we expect the method to return an Enumeration of attribute names
        assertNotNull(attributeNames);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testGetAttributeTaking2Arguments() throws Throwable  {
        // Create an instance of XmlElement and set an attribute
        XmlElement arg0 = new XmlElement();
        arg0.getAttribute("attribute1", "value1");
        
        // Print the node with the attribute
        XmlElement.printNode(arg0, "node1");
        
        // Verify that the data is null
        assertNull(arg0.getData());
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testCountReturningZero() throws Throwable  {
        // Given: an XML element with no child elements
        XmlElement xmlElement = new XmlElement();
        
        // When: the count method is called on the element
        int count = xmlElement.count();
        
        // Then: the method returns 0
        assertEquals(0, count);
    }
  
    @Test
    @Timeout(value = 4000 , unit = TimeUnit.MILLISECONDS)
    public void testAddSubElementTakingXmlElementReturningXmlElementWhereCountIsZero() throws Throwable  {
        // Given: An XmlElement object
        XmlElement xmlElement = new XmlElement();
        
        // When: We call the clone method on the XmlElement object
        XmlElement clone = (XmlElement) xmlElement.clone();
        
        // Then: The clone method should return a non-null reference
        assertNotNull(clone);
        
        // And: The original XmlElement object should not have any sub-elements
        assertEquals(0, xmlElement.count());
        
        // And: The clone object should not be equal to the original object
        assertFalse(clone.equals((Object) xmlElement));
    }
  }
  