public void CommandBehaviorBaseAllowsDisableByDefault()
{
var targetUIElement = new UIElement();
var target = new TestableCommandBehaviorBase(targetUIElement);
Assert.True(target.AutoEnable);
}
public void ExecuteUsesParameterWhenCommandParameterNotSet()
{
var targetUIElement = new UIElement();
var target = new TestableCommandBehaviorBase(targetUIElement);
TestCommand testCommand = new TestCommand();
target.Command = testCommand;
target.ExecuteCommand("testparam");
Assert.Equal("testparam", testCommand.ExecuteCalledWithParameter);
}
public void CommandBehaviorBaseEnablesUIElement()
{
var targetUIElement = new UIElement();
targetUIElement.IsEnabled = false;
var target = new TestableCommandBehaviorBase(targetUIElement);
TestCommand testCommand = new TestCommand();
target.Command = testCommand;
target.ExecuteCommand(null);
Assert.True(targetUIElement.IsEnabled);
}
public void CommandBehaviorBaseDisablesUIElement()
{
var targetUIElement = new UIElement();
targetUIElement.IsEnabled = true;
var target = new TestableCommandBehaviorBase(targetUIElement);
TestCommand testCommand = new TestCommand();
testCommand.CanExecuteResult = false;
target.Command = testCommand;
target.ExecuteCommand(null);
Assert.False(targetUIElement.IsEnabled);
}
public void WhenAutoEnableIsFalse_ThenDisabledUIElementRemainsDisabled()
{
var targetUIElement = new UIElement();
targetUIElement.IsEnabled = false;
var target = new TestableCommandBehaviorBase(targetUIElement);
target.AutoEnable = false;
TestCommand testCommand = new TestCommand();
target.Command = testCommand;
target.ExecuteCommand(null);
Assert.False(targetUIElement.IsEnabled);
}
public void WhenAutoEnableIsUpdated_ThenEnabledUIElementIsDisabled()
{
var targetUIElement = new UIElement();
targetUIElement.IsEnabled = true;
var target = new TestableCommandBehaviorBase(targetUIElement);
target.AutoEnable = false;
TestCommand testCommand = new TestCommand();
testCommand.CanExecuteResult = false;
target.Command = testCommand;
target.ExecuteCommand(null);
Assert.True(targetUIElement.IsEnabled);
target.AutoEnable = true;
Assert.False(targetUIElement.IsEnabled);
}