本文整理汇总了C#中ExpressionObserver.SetValue方法的典型用法代码示例。如果您正苦于以下问题：C# ExpressionObserver.SetValue方法的具体用法？C# ExpressionObserver.SetValue怎么用？C# ExpressionObserver.SetValue使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ExpressionObserver的用法示例。
在下文中一共展示了ExpressionObserver.SetValue方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Validation_Plugins_Send_Correct_Notifications
public void Validation_Plugins_Send_Correct_Notifications()
{
var data = new IndeiTest();
var observer = new ExpressionObserver(data, nameof(data.MustBePositive), true);
var result = new List<object>();
observer.Subscribe(x => result.Add(x));
observer.SetValue(5);
observer.SetValue(-5);
observer.SetValue("foo");
observer.SetValue(5);
Assert.Equal(new[]
{
new BindingNotification(0),
// Value is notified twice as ErrorsChanged is always called by IndeiTest.
new BindingNotification(5),
new BindingNotification(5),
// Value is first signalled without an error as validation hasn't been updated.
new BindingNotification(-5),
new BindingNotification(new Exception("Must be positive"), BindingErrorType.DataValidationError, -5),
// Exception is thrown by trying to set value to "foo".
new BindingNotification(
new ArgumentException("Object of type 'System.String' cannot be converted to type 'System.Int32'."),
BindingErrorType.DataValidationError),
// Value is set then validation is updated.
new BindingNotification(new Exception("Must be positive"), BindingErrorType.DataValidationError, 5),
new BindingNotification(5),
}, result);
}示例2: Should_Set_Simple_Property_Value
public void Should_Set_Simple_Property_Value()
{
var data = new { Foo = "foo" };
var target = new ExpressionObserver(data, "Foo");
target.SetValue("bar");
Assert.Equal("foo", data.Foo);
}示例3: Exception_Validation_Sends_ValidationUpdate
public void Exception_Validation_Sends_ValidationUpdate()
{
var data = new ExceptionTest { MustBePositive = 5 };
var observer = new ExpressionObserver(data, nameof(data.MustBePositive), false);
var validationMessageFound = false;
observer.Where(o => o is IValidationStatus).Subscribe(_ => validationMessageFound = true);
observer.SetValue(-5);
Assert.True(validationMessageFound);
}示例4: Should_Set_Value_On_Simple_Property_Chain
public void Should_Set_Value_On_Simple_Property_Chain()
{
var data = new Class1 { Foo = new Class2 { Bar = "bar" } };
var target = new ExpressionObserver(data, "Foo.Bar");
target.SetValue("foo");
Assert.Equal("foo", data.Foo.Bar);
}示例5: Should_Not_Try_To_Set_Value_On_Broken_Chain
public void Should_Not_Try_To_Set_Value_On_Broken_Chain()
{
var data = new Class1 { Foo = new Class2 { Bar = "bar" } };
var target = new ExpressionObserver(data, "Foo.Bar");
// Ensure the ExpressionObserver's subscriptions are kept active.
target.OfType<string>().Subscribe(x => { });
data.Foo = null;
Assert.False(target.SetValue("foo"));
}示例6: Exception_Validation_Sends_DataValidationError
public void Exception_Validation_Sends_DataValidationError()
{
var data = new ExceptionTest { MustBePositive = 5 };
var observer = new ExpressionObserver(data, nameof(data.MustBePositive), true);
var validationMessageFound = false;
observer.OfType<BindingNotification>()
.Where(x => x.ErrorType == BindingErrorType.DataValidationError)
.Subscribe(_ => validationMessageFound = true);
observer.SetValue(-5);
Assert.True(validationMessageFound);
}示例7: SetValue_Should_Return_False_For_Missing_Property
public void SetValue_Should_Return_False_For_Missing_Property()
{
var data = new Class1 { Next = new WithoutBar()};
var target = new ExpressionObserver(data, "Next.Bar");
Assert.False(target.SetValue("baz"));
}示例8: SetValue_Should_Set_Property_At_The_End_Of_Chain
public void SetValue_Should_Set_Property_At_The_End_Of_Chain()
{
var data = new Class1 { Next = new Class2 { Bar = "bar" } };
var target = new ExpressionObserver(data, "Next.Bar");
Assert.True(target.SetValue("baz"));
Assert.Equal("baz", ((Class2)data.Next).Bar);
}示例9: SetValue_Should_Throw
public void SetValue_Should_Throw()
{
var data = new { Foo = "foo" };
var target = new ExpressionObserver(data, "!Foo");
Assert.Throws<NotSupportedException>(() => target.SetValue("bar"));
}示例10: Should_Set_NonIntegerIndexer
public void Should_Set_NonIntegerIndexer()
{
var data = new { Foo = new NonIntegerIndexer() };
data.Foo["foo"] = "bar";
data.Foo["baz"] = "qux";
var target = new ExpressionObserver(data, "Foo[foo]");
using (target.Subscribe(_ => { }))
{
Assert.True(target.SetValue("bar2"));
}
Assert.Equal("bar2", data.Foo["foo"]);
}示例11: Should_Add_NewDictionaryEntry
public void Should_Add_NewDictionaryEntry()
{
var data = new
{
Foo = new Dictionary<string, int>
{
{"foo", 1 }
}
};
var target = new ExpressionObserver(data, "Foo[bar]");
using (target.Subscribe(_ => { }))
{
Assert.True(target.SetValue(4));
}
Assert.Equal(4, data.Foo["bar"]);
}示例12: Should_SetArrayIndex
public void Should_SetArrayIndex()
{
var data = new { Foo = new[] { "foo", "bar" } };
var target = new ExpressionObserver(data, "Foo[1]");
using (target.Subscribe(_ => { }))
{
Assert.True(target.SetValue("baz"));
}
Assert.Equal("baz", data.Foo[1]);
}示例13: SetValue_Should_Set_Simple_Property_Value
public void SetValue_Should_Set_Simple_Property_Value()
{
var data = new Class1 { Foo = "foo" };
var target = new ExpressionObserver(data, "Foo");
using (target.Subscribe(_ => { }))
{
Assert.True(target.SetValue("bar"));
}
Assert.Equal("bar", data.Foo);
}示例14: SetValue_Should_Return_False_For_Missing_Object
public void SetValue_Should_Return_False_For_Missing_Object()
{
var data = new Class1();
var target = new ExpressionObserver(data, "Next.Bar");
Assert.False(target.SetValue("baz"));
}示例15: SetValue_Should_Notify_New_Value_Without_Inpc
public void SetValue_Should_Notify_New_Value_Without_Inpc()
{
var data = new Class1();
var target = new ExpressionObserver(data, "Bar");
var result = new List<object>();
target.Subscribe(x => result.Add(x));
target.SetValue("bar");
Assert.Equal(new[] { null, "bar" }, result);
}