public virtual void TwoExecute()
{
var vm = CommandTests_a.Create();
var bt = BindingTestHelper.BindAssert <Button>("Button", "Command", "{b:DXCommand Execute='Do1(); Do2()'}", null, vm);
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(1, vm.Do1Counter);
Assert.AreEqual(1, vm.Do2Counter);
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(2, vm.Do1Counter);
Assert.AreEqual(2, vm.Do2Counter);
vm = CommandTests_a.Create();
bt = BindingTestHelper.BindAssert <Button>("Button", "Command", "{b:DXCommand Execute='Do1(); Do2()', CanExecute='CanDo1() && CanDo2()'}", null, vm);
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
Assert.AreEqual(2, vm.CanDo1Counter);
Assert.AreEqual(0, vm.CanDo2Counter);
vm.CanDo1Value = true;
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
Assert.AreEqual(3, vm.CanDo1Counter);
Assert.AreEqual(1, vm.CanDo2Counter);
vm.CanDo2Value = true;
Assert.AreEqual(true, BindingTestHelper.CanDoCommand(bt));
Assert.AreEqual(4, vm.CanDo1Counter);
Assert.AreEqual(2, vm.CanDo2Counter);
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(1, vm.Do1Counter);
Assert.AreEqual(1, vm.Do2Counter);
}
public virtual void CommandInDataTemplate()
{
string xaml = @"
<Grid>
<Grid.Resources>
<DataTemplate x:Key=""temp"">
<Button Command=""{b:DXCommand 'Method($test:BindingTests_a.StaticIntProp)'}""/>
</DataTemplate>
</Grid.Resources>
<ContentControl Content=""{b:DXBinding}"" ContentTemplate=""{StaticResource temp}""/>
<ContentControl Content=""{b:DXBinding}"" ContentTemplate=""{StaticResource temp}""/>
</Grid>
";
var panel = BindingTestHelper.LoadXaml <Grid>(xaml);
BindingTestHelper.VisualTest(panel, () => {
BindingTests_a.Static(2);
var vm = CommandTests_a.Create();
var tb1 = LayoutTreeHelper.GetVisualChildren(panel.Children[0]).OfType <Button>().First();
var tb2 = LayoutTreeHelper.GetVisualChildren(panel.Children[1]).OfType <Button>().First();
panel.DataContext = vm;
BindingTestHelper.DoEvents(panel);
BindingTestHelper.DoCommand(tb1);
Assert.AreEqual(1, vm.MethodCounter);
BindingTestHelper.DoCommand(tb2);
Assert.AreEqual(2, vm.MethodCounter);
});
}
public void OneExecute()
{
var vm = CommandTests_a.Create();
var bt = BindingTestHelper.BindAssert <Button>("Button", "Command", "{b:DXCommand Do1()}", null, vm);
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(1, vm.Do1Counter);
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(2, vm.Do1Counter);
vm = CommandTests_a.Create();
vm.CanDo1Value = true;
bt = BindingTestHelper.BindAssert <Button>("Button", "Command", "{b:DXCommand Do1(), CanExecute='CanDo1()'}", null, vm);
Assert.AreEqual(1, vm.CanDo1Counter);
vm = CommandTests_a.Create();
bt = BindingTestHelper.BindAssert <Button>("Button", "Command", "{b:DXCommand Do1(), CanExecute='CanDo1()'}", null, vm);
Assert.AreEqual(1, vm.CanDo1Counter);
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
Assert.AreEqual(2, vm.CanDo1Counter);
Assert.AreEqual(0, vm.Do1Counter);
vm.CanDo1Value = true;
Assert.AreEqual(true, BindingTestHelper.CanDoCommand(bt));
Assert.AreEqual(3, vm.CanDo1Counter);
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(1, vm.Do1Counter);
}
public void AttachedPropertyTest()
{
var bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand
Execute='@s.($test:CommandTests_a.AttachedProp) = true'}",
null, null, false);
Assert.AreEqual(null, CommandTests_a.GetAttachedProp(bt));
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(true, CommandTests_a.GetAttachedProp(bt));
}
public void AssignOperator_Static()
{
CommandTests_a.DoValue = 0;
var bt = BindingTestHelper.BindAssert <Button>(
"Button", "Command",
@"{b:DXCommand
Execute='$test:CommandTests_a.DoValue = $test:CommandTests_a.DoValue + 1'}",
null, null);
Assert.AreEqual(0, CommandTests_a.DoValue);
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(1, CommandTests_a.DoValue);
}
public virtual void StaticMethod()
{
CommandTests_a.DoValue = 0;
var bt = BindingTestHelper.BindAssert <Button>("Button", "Command", "{b:DXCommand '$test:CommandTests_a.DoStatic()'}", null, null);
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(1, CommandTests_a.DoValue);
CommandTests_a.DoValue = 0;
bt = BindingTestHelper.BindAssert <Button>("Button", "Command", "{b:DXCommand '$test:CommandTests_a.DoStatic()'}", null, new object());
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(1, CommandTests_a.DoValue);
}
public void AssignOperator_ElementName()
{
string xaml = @"
<Grid x:Name=""panel"" Tag=""{b:DXBinding '1'}"">
<Button Command=""{b:DXCommand Execute='@e(panel).Tag = @e(panel).Tag + 1'}""/>
</Grid>
";
var panel = BindingTestHelper.LoadXaml <Grid>(xaml);
var bt = (Button)panel.Children[0];
Assert.AreEqual(1, panel.Tag);
BindingTestHelper.DoCommand(bt); BindingTestHelper.DoEvents(bt);
Assert.AreEqual(2, panel.Tag);
}
public virtual void Arguments()
{
var vm = CommandTests_a.Create();
var bt = BindingTestHelper.BindAssert <Button>("Button", "Command",
"{b:DXCommand Execute='Do3(@s.Tag.Parameter, @parameter);', CanExecute='CanDo3(@s.Tag.CanDo)'}", null, vm);
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
bt.Tag = new { CanDo = true }; BindingTestHelper.DoEvents(bt);
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
bt.Tag = new { CanDo = true, Parameter = 1 }; BindingTestHelper.DoEvents(bt);
Assert.AreEqual(false, BindingTestHelper.CanDoCommand(bt));
bt.CommandParameter = 1; BindingTestHelper.DoEvents(bt);
Assert.AreEqual(true, BindingTestHelper.CanDoCommand(bt));
BindingTestHelper.DoCommand(bt);
Assert.AreEqual(2, vm.Do3Value);
}
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 virtual void CommandInStyleSetter()
{
string xaml1 = @"
<Grid>
<Grid.Resources>
<Style x:Key=""st"" TargetType=""Button"">
<Setter Property=""Command"" Value=""{b:DXCommand Method($test:BindingTests_a.StaticIntProp)}""/>
</Style>
</Grid.Resources>
<Button Style=""{StaticResource st}""/>
<Button Style=""{StaticResource st}""/>
</Grid>
";
string xaml2 = @"
<Grid>
<Grid.Resources>
<Style TargetType=""Button"">
<Setter Property=""Command"" Value=""{b:DXCommand Method($test:BindingTests_a.StaticIntProp)}""/>
</Style>
</Grid.Resources>
<Button/>
<Button/>
</Grid>
";
Action <string> test = xamlStr => {
BindingTests_a.Static(2);
var panel = BindingTestHelper.LoadXaml <Grid>(xamlStr);
var tb1 = (Button)panel.Children[0];
var tb2 = (Button)panel.Children[1];
var vm = CommandTests_a.Create();
panel.DataContext = vm;
BindingTestHelper.DoEvents(panel);
BindingTestHelper.DoCommand(tb1);
Assert.AreEqual(2, vm.MethodValue);
BindingTests_a.Static(3);
BindingTestHelper.DoCommand(tb2);
Assert.AreEqual(3, vm.MethodValue);
};
test(xaml1);
test(xaml2);
}
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);
}