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Delete core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/shallowdeepcopy/ShallowDeepCopyExampleTest.java

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Neetika23 2023-10-27 14:49:52 +05:30 committed by GitHub
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core-java-modules/core-java-lang-oop-patterns/src/test/java/com/baeldung/shallowdeepcopy/ShallowDeepCopyExampleTest.java
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package com.baeldung.shallowdeepcopy;
import static org.junit.jupiter.api.Assertions.assertEquals;
import org.junit.jupiter.api.Test;
public class ShallowDeepCopyExampleTest {
@Test
public void whenPerformShallowCopy_thenObjectsNotSame() {
School school = new School("Baeldung School");
Student originalStudent = new Student("John", 20, school);
Student shallowCopy = new Student(originalStudent.getName(), originalStudent.getAge(), originalStudent.getSchool());
assertNotSame(shallowCopy, originalStudent);
}
@Test public void whenModifyingActualObject_thenCopyAlsoChange() {
School school = new School("Baeldung School");
Student originalStudent = new Student("John", 20, school);
Student shallowCopy = new Student(originalStudent.getName(), originalStudent.getAge(), originalStudent.getSchool());
school.setSchoolName("New Baeldung School");
assertEquals(shallowCopy.getSchool().getSchoolName(), originalStudent.getSchool().getSchoolName());
}
@Test
public void whenModifyingActualObject_thenCloneCopyNotChange() {
School school = new School("New School");
Student originalStudent = new Student("Alice", 10, school);
Student deepCopy = (Student) originalStudent.clone();
school.setSchoolName("New Baeldung School");
assertNotEquals(deepCopy.getSchool().getSchoolName(), originalStudent.getSchool().getSchoolName());
}
@Test
public void whenModifyingActualObject_thenCopyNotChange() {
School school = new School("Baeldung School");
Student originalStudent = new Student("Alice", 30, school);
Student deepCopy = new Student(originalStudent);
school.setSchoolName("New Baeldung School");
assertNotEquals( originalStudent.getSchool().getSchoolName(), deepCopy.getSchool().getSchoolName());
}
}