@Test
public void detectMutableStateInt() {
EqualsVerifier<MutableIntContainer> ev = EqualsVerifier.forClass(MutableIntContainer.class);
assertFailure(ev, MUTABILITY, FIELD_NAME);
EqualsVerifier.forClass(MutableIntContainer.class).suppress(Warning.NONFINAL_FIELDS).verify();
}
@Test
public void detectMutableStateEnumNull() {
MutableEnumContainer red = new MutableEnumContainer(null);
MutableEnumContainer black = new MutableEnumContainer(MutableEnumContainer.Enum.BLACK);
EqualsVerifier<MutableEnumContainer> ev = EqualsVerifier.forExamples(red, black);
assertFailure(ev, MUTABILITY, FIELD_NAME);
EqualsVerifier.forExamples(red, black).suppress(Warning.NONFINAL_FIELDS).verify();
}
@Test
public void secondMutableFieldUsed() {
EqualsVerifier<SecondMutableFieldUsed> ev =
EqualsVerifier.forClass(SecondMutableFieldUsed.class);
assertFailure(ev, MUTABILITY, "second");
EqualsVerifier.forClass(SecondMutableFieldUsed.class)
.suppress(Warning.NONFINAL_FIELDS)
.verify();
}
@Test
public void referenceAndSuperSameHaveSameHashCode() {
EqualsVerifier<HashCodeBrokenPoint> ev = EqualsVerifier.forClass(HashCodeBrokenPoint.class);
assertFailure(
ev,
"Superclass",
"hashCode for",
HashCodeBrokenPoint.class.getSimpleName(),
"should be equal to hashCode for superclass instance",
Point.class.getSimpleName());
}
@Test
public void symmetry() {
EqualsVerifier<SymmetryBrokenColorPoint> ev =
EqualsVerifier.forClass(SymmetryBrokenColorPoint.class);
assertFailure(
ev,
"Symmetry",
SymmetryBrokenColorPoint.class.getSimpleName(),
"does not equal superclass instance",
Point.class.getSimpleName());
}
@Test
public void transitivity() {
EqualsVerifier<TransitivityBrokenColorPoint> ev =
EqualsVerifier.forClass(TransitivityBrokenColorPoint.class);
assertFailure(
ev,
"Transitivity",
"TransitivityBrokenColorPoint:1,1,YELLOW\nand\n TransitivityBrokenColorPoint:1,1,BLUE",
"both equal superclass instance",
"Point:1,1",
"which implies they equal each other.");
}
@Test
public void mutableFieldNotUsed() {
EqualsVerifier.forClass(MutableFieldNotUsed.class).verify();
}
@Test
public void emptySuperclassIsIrrelevantWhenTheresEqualsHigherUp() {
EqualsVerifier<BrokenCanEqualColorPointWithEmptySuper> ev =
EqualsVerifier.forClass(BrokenCanEqualColorPointWithEmptySuper.class);
assertFailure(ev, "Symmetry", BrokenCanEqualColorPointWithEmptySuper.class.getSimpleName());
}
@Test
public void emptySuperclassesShouldNotFailOnEqualSuperclassInstance() {
EqualsVerifier.forClass(SubclassOfEmpty.class).verify();
EqualsVerifier.forClass(SubOfEmptySubOfEmpty.class).verify();
EqualsVerifier.forClass(SubOfEmptySubOfAbstract.class).verify();
}
@Test
public void happyPath() {
EqualsVerifier.forClass(ColorBlindColorPoint.class).verify();
}
@Test
public void toStringThrowsIllegalStateExceptionWhenFieldIsNull() {
EqualsVerifier<ToStringIllegalStateThrower> ev =
EqualsVerifier.forClass(ToStringIllegalStateThrower.class);
assertFailure(ev, TO_STRING, THROWS, ILLEGAL_STATE_EXCEPTION, WHEN_S_IS_NULL);
}
@Test
public void hashCodeThrowsIllegalStateExceptionWhenFieldIsNull() {
EqualsVerifier<HashCodeIllegalStateThrower> ev =
EqualsVerifier.forClass(HashCodeIllegalStateThrower.class);
assertFailure(ev, HASH_CODE, THROWS, ILLEGAL_STATE_EXCEPTION, WHEN_S_IS_NULL);
}
@Test
public void equalsThrowsIllegalStateExceptionWhenFieldIsNull() {
EqualsVerifier<EqualsIllegalStateThrower> ev =
EqualsVerifier.forClass(EqualsIllegalStateThrower.class);
assertFailure(ev, EQUALS, THROWS, ILLEGAL_STATE_EXCEPTION, WHEN_S_IS_NULL);
}
@Test
public void issue31() {
EqualsVerifier<Issue31> ev = EqualsVerifier.forClass(Issue31.class);
assertFailure(ev, TO_STRING, THROWS, ILLEGAL_FORMAT_CONVERSION_EXCEPTION, WHEN_RED_IS_NULL);
}