Exemple #1
0
        public void Constructor_Value_EqualsParameter(
            [Values(-1, 0, 1)] int value
            )
        {
            // Arrange
            ObservableInt observable = new ObservableInt(value);

            // Act

            // Assert
            Assert.That(observable.Value, Is.EqualTo(value));
        }
Exemple #2
0
        public void SetValue_PreviousValue_EqualsParameter(
            [Values(-1, 0, 1)] int value
            )
        {
            // Arrange
            ObservableInt observable = new ObservableInt();

            // Act
            observable.Value = value - 1;             //We call twice to set both (prev and value)
            observable.Value = value;

            // Assert
            Assert.That(observable.PreviousValue, Is.EqualTo(value - 1));
        }
Exemple #3
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        public void SetValue_Value_EqualsParameter(
            [Values(-1, 0, 1)] int value
            )
        {
            // Arrange
            ObservableInt observable = new ObservableInt();

            observable.Value = value;

            // Act

            // Assert
            Assert.That(observable.Value, Is.EqualTo(value));
        }
Exemple #4
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        public void OnChanged_NotInvoked_WhenValueDoesNotChange(
            [Values(-1, 0, 1)] int value
            )
        {
            // Arrange
            ObservableInt observable        = new ObservableInt();
            bool          isOnChangedCalled = false;

            // Act
            observable.Value = value;
            observable.OnChanged.AddListener(obs =>
            {
                isOnChangedCalled = true;
            });
            observable.Value = value;

            // Assert
            Assert.That(isOnChangedCalled, Is.False);
        }
Exemple #5
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        public void OnChanged_EventState_EqualsState(
            [Values(-1, 0, 1)] int value
            )
        {
            // Arrange
            ObservableInt observable    = new ObservableInt();
            int           previousValue = int.MinValue;
            int           currentValue  = int.MinValue;

            // Act
            observable.Value = value - 1;
            observable.OnChanged.AddListener(obs =>
            {
                ObservableInt observable2 = obs as ObservableInt;
                previousValue             = observable2.PreviousValue;
                currentValue = observable2.Value;
            });
            observable.Value = value;

            // Assert
            Assert.That(observable.PreviousValue, Is.EqualTo(previousValue));
            Assert.That(observable.Value, Is.EqualTo(currentValue));
        }