public void AssignOperators()
{
var vm = new CommandTests_b()
{
IntProp = 0
};
var bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand
Execute='IntProp = IntProp + 1; IntProp = IntProp + 1;;'}",
null, vm);
Assert.AreEqual(0, vm.IntProp);
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(2, vm.IntProp);
}
public void T684511()
{
var vm = new CommandTests_b();
var bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand Execute='DoException()'}",
null, vm);
Assert.DoesNotThrow(() => BindingTestHelper.DoCommand(bt));
bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand Execute='DoException()', CatchExceptions=False}",
null, vm);
var e = Assert.Throws <TargetInvocationException>(() => BindingTestHelper.DoCommand(bt));
Assert.AreEqual("DoException", e.InnerException.Message);
}
public void AssignOperator()
{
var vm = new CommandTests_b()
{
IntProp = 0
};
var bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand
Execute='IntProp = IntProp + 1'}",
null, vm);
Assert.AreEqual(0, vm.IntProp);
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(1, vm.IntProp);
vm.IntProp = 0;
bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand
Execute='IntProp = IntProp + @parameter'}",
null, vm);
bt.CommandParameter = 1;
Assert.AreEqual(0, vm.IntProp);
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(1, vm.IntProp);
bt.CommandParameter = 2;
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(3, vm.IntProp);
bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand
Execute='@s.Tag = @parameter'}",
null, null);
bt.CommandParameter = 1;
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(1, bt.Tag);
bt.CommandParameter = 2;
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(2, bt.Tag);
}
public void NewOperator()
{
var vm = new CommandTests_b();
var bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand
Execute='Do(@s.Margin);',
CanExecute='new $Thickness(@s.Margin.Bottom).Left == 1'}",
null, vm);
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
Assert.AreEqual(0, vm.DoubleProp);
bt.Margin = new Thickness(1, 0, 0, 0); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
Assert.AreEqual(0, vm.DoubleProp);
bt.Margin = new Thickness(1, 0, 0, 1); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(true, BindingTestHelper.CanDoCommand(bt));
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(1, vm.DoubleProp);
}