@Test
public void testDifferentObjectsNotEqual() {
// Make two different objects
try {
testObj1 = makeTestObject1();
testObj2 = makeTestObject2();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
// Test that they are not equal
assertFalse(testObj1.equals(testObj2));
assertFalse(testObj2.equals(testObj1));
}
@Test
public void testEqualsObject() {
// The contract of the equals method in Object
// specifies that equals must implement an equivalence
// relation on non-null objects:
// Make all the test objects be the same
testObj1 = makeTestObject1();
testObj2 = makeTestObject1();
testObj3 = makeTestObject1();
// Test for equality (2 objects created the same)
assertTrue(testObj1.equals(testObj2));
// It is reflexive:
// for any non-null value x, the expression x.equals(x) should return true.
assertTrue(testObj1.equals(testObj1));
// It is symmetric:
// for any non-null values x and y, the expression x.equals(y) should return true
// if and only if y.equals(x) returns true.
assertTrue(testObj1.equals(testObj2) && testObj2.equals(testObj1));
// It is transitive:
// for any non-null values x, y, and z, if x.equals(y) returns true and
// y.equals(z) returns true, then x.equals(z) should return true.
assertTrue(testObj1.equals(testObj2) && testObj2.equals(testObj3) && testObj3.equals(testObj1));
// It is consistent:
// for any non-null values x and y, multiple invocations of x.equals(y)
// should consistently return true or consistently return false,
// provided no information used in equals comparisons on the objects is modified.
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
assertTrue(testObj1.equals(testObj2));
// For any non-null value x, x.equals(null) should return false.
assertFalse(testObj1.equals(null));
}