public async Task CreateBinder_DateTimeOffset()
{
// Arrange
var value = DateTimeOffset.Now;
var component = new EventCountingComponent();
Action <DateTimeOffset> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
var expectedValue = new DateTime(2018, 3, 4, 1, 2, 3);
// Act
await binder.InvokeAsync(new UIChangeEventArgs()
{
Value = expectedValue.ToString(),
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_NullableDecimal()
{
// Arrange
var value = (decimal?)17;
var component = new EventCountingComponent();
Action <decimal?> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
var expectedValue = (decimal?)42;
// Act
await binder.InvokeAsync(new UIChangeEventArgs()
{
Value = "42",
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_NullableEnum()
{
// Arrange
var value = (AttributeTargets?)AttributeTargets.All;
var component = new EventCountingComponent();
Action <AttributeTargets?> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
var expectedValue = AttributeTargets.Class;
// Act
await binder.InvokeAsync(new UIChangeEventArgs()
{
Value = expectedValue.ToString(),
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_Bool()
{
// Arrange
var value = false;
var component = new EventCountingComponent();
Action <bool> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
var expectedValue = true;
// Act
await binder.InvokeAsync(new UIChangeEventArgs()
{
Value = true,
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_NumericType_WithInvariantCulture()
{
// Arrange
var value = 17_000;
var component = new EventCountingComponent();
Action <int> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value, CultureInfo.InvariantCulture);
var expectedValue = 42_000;
// Act
await binder.InvokeAsync(new ChangeEventArgs()
{
Value = "42,000.00",
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_NullableGuid()
{
// Arrange
var value = (Guid?)Guid.NewGuid();
var component = new EventCountingComponent();
Action <Guid?> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
var expectedValue = Guid.NewGuid();
// Act
await binder.InvokeAsync(new ChangeEventArgs()
{
Value = expectedValue.ToString(),
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_NullableDateTime()
{
// Arrange
var value = (DateTime?)DateTime.Now;
var component = new EventCountingComponent();
Action <DateTime?> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
var expectedValue = new DateTime(2018, 3, 4, 1, 2, 3);
// Act
await binder.InvokeAsync(new ChangeEventArgs()
{
Value = expectedValue.ToString(CultureInfo.InvariantCulture),
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_String()
{
// Arrange
var value = "hi";
var component = new EventCountingComponent();
Action <string> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
var expectedValue = "bye";
// Act
await binder.InvokeAsync(new ChangeEventArgs()
{
Value = expectedValue,
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_NullableDateTimeOffset_Format()
{
// Arrange
var value = (DateTimeOffset?)DateTimeOffset.Now;
var component = new EventCountingComponent();
Action <DateTimeOffset?> setter = (_) => value = _;
var format = "ddd yyyy-MM-dd";
var binder = EventCallback.Factory.CreateBinder(component, setter, value, format);
var expectedValue = new DateTime(2018, 3, 4);
// Act
await binder.InvokeAsync(new UIChangeEventArgs()
{
Value = expectedValue.ToString(format),
});
Assert.Equal(expectedValue, value);
Assert.Equal(1, component.Count);
}
public async Task CreateBinder_ThrowsConversionException()
{
// Arrange
var value = 17;
var component = new EventCountingComponent();
Action <int> setter = (_) => value = _;
var binder = EventCallback.Factory.CreateBinder(component, setter, value);
// Act
await Assert.ThrowsAsync <FormatException>(() =>
{
return(binder.InvokeAsync(new UIChangeEventArgs()
{
Value = "not-an-integer!",
}));
});
Assert.Equal(17, value);
Assert.Equal(1, component.Count);
}
