public void When_other_NoteChoice_is_null_they_are_not_equal()
{
// arrange
var noteChoice = new NoteChoice(new HashSet <VoiceNoteChoice>());
// act
var areEqual = noteChoice.Equals(null);
var areObjectEqual = noteChoice.Equals((object)null);
// assert
areEqual.Should().BeFalse();
areObjectEqual.Should().BeFalse();
}
public void When_other_NoteChoice_is_same_reference_they_are_equal()
{
// arrange
var noteChoice = new NoteChoice(new HashSet <VoiceNoteChoice>());
var noteChoiceB = noteChoice;
// act
var areEqual = noteChoice.Equals(noteChoiceB);
var areObjectEqual = noteChoice.Equals((object)noteChoiceB);
// assert
areEqual.Should().BeTrue();
areObjectEqual.Should().BeTrue();
}
public void When_note_choices_have_different_voice_note_choices_they_are_not_equal()
{
// arrange
var voiceNoteChoicesA = new HashSet <VoiceNoteChoice>
{
new(Voice.Bass, NoteMotion.Oblique, 2),
new(Voice.Harmony, NoteMotion.Descending, 13),
new(Voice.Melody, NoteMotion.Ascending, 124)
};
var voiceNoteChoicesB = new HashSet <VoiceNoteChoice>
{
new(Voice.Bass, NoteMotion.Oblique, 1),
new(Voice.Harmony, NoteMotion.Descending, 12),
new(Voice.Melody, NoteMotion.Ascending, 123)
};
var noteChoiceA = new NoteChoice(voiceNoteChoicesA);
var noteChoiceB = new NoteChoice(voiceNoteChoicesB);
// act
var areEqual = noteChoiceA.Equals(noteChoiceB);
var areEqualOperator = noteChoiceA == noteChoiceB;
var areNotEqualOperator = noteChoiceA != noteChoiceB;
var areHashCodesEqual = noteChoiceA.GetHashCode() == noteChoiceB.GetHashCode();
// assert
areEqual.Should().BeFalse();
areEqualOperator.Should().BeFalse();
areNotEqualOperator.Should().BeTrue();
areHashCodesEqual.Should().BeFalse();
}
public void When_other_NoteChoice_is_not_a_NoteChoice_they_are_not_equal()
{
// arrange
var voiceNoteChoices = new HashSet <VoiceNoteChoice>();
var noteChoice = new NoteChoice(voiceNoteChoices);
var noteChoiceB = new { SomeField = 1 };
// act
var areEqual = noteChoice.Equals(noteChoiceB);
// assert
areEqual.Should().BeFalse();
}
public void When_other_VoiceNoteChoices_are_null_they_are_not_equal()
{
// arrange
var voiceNoteChoices = new HashSet <VoiceNoteChoice>
{
new(Voice.Bass, NoteMotion.Oblique, 2),
new(Voice.Harmony, NoteMotion.Descending, 13),
new(Voice.Melody, NoteMotion.Ascending, 124)
};
var noteChoice = new NoteChoice(voiceNoteChoices);
var noteChoiceB = new NoteChoice(null);
// act
var areEqual = noteChoice.Equals(noteChoiceB);
// assert
areEqual.Should().BeFalse();
}