public void ForwardCanExecuteChangedEvent()
{
bool canExecuteChangedCalled = false;
TestCommand testCommand = new TestCommand();
CommandReference commandReference = new CommandReference {
Command = testCommand
};
commandReference.CanExecuteChanged += ((sender, eventArgs) => canExecuteChangedCalled = true);
object canExecuteParameter = new object();
bool canExecute = commandReference.CanExecute(canExecuteParameter);
Assert.IsTrue(canExecute);
Assert.AreSame(canExecuteParameter, testCommand.CanExecuteParameter);
testCommand.CanExecuteValue = false;
testCommand.FireCanExecuteChanged();
Assert.IsTrue(canExecuteChangedCalled);
canExecuteParameter = new object();
canExecute = commandReference.CanExecute(canExecuteParameter);
Assert.IsFalse(canExecute);
Assert.AreSame(canExecuteParameter, testCommand.CanExecuteParameter);
commandReference.Command = null;
}
public void CanExecuteShouldReturnFalseWhenEmpty()
{
CommandReference commandReference = new CommandReference();
bool canExecute = commandReference.CanExecute(null);
Assert.IsFalse(canExecute);
}
public void CanExecuteShouldReturnFalseWhenEmpty()
{
CommandReference commandReference = new CommandReference();
bool canExecute = commandReference.CanExecute(null);
Assert.IsFalse(canExecute);
}
public void ForwardCanExecuteChangedEvent()
{
bool canExecuteChangedCalled = false;
TestCommand testCommand = new TestCommand();
CommandReference commandReference = new CommandReference { Command = testCommand };
commandReference.CanExecuteChanged += ((sender, eventArgs) => canExecuteChangedCalled = true);
object canExecuteParameter = new object();
bool canExecute = commandReference.CanExecute(canExecuteParameter);
Assert.IsTrue(canExecute);
Assert.AreSame(canExecuteParameter, testCommand.CanExecuteParameter);
testCommand.CanExecuteValue = false;
testCommand.FireCanExecuteChanged();
Assert.IsTrue(canExecuteChangedCalled);
canExecuteParameter = new object();
canExecute = commandReference.CanExecute(canExecuteParameter);
Assert.IsFalse(canExecute);
Assert.AreSame(canExecuteParameter, testCommand.CanExecuteParameter);
commandReference.Command = null;
}
public void ShouldExecuteReferencedCommand()
{
bool canExecuteChangedCalled = false;
TestCommand testCommand = new TestCommand();
CommandReference commandReference = new CommandReference { Command = testCommand };
commandReference.CanExecuteChanged += ((sender, eventArgs) => canExecuteChangedCalled = true);
object canExecuteParameter = new object();
bool canExecute = commandReference.CanExecute(canExecuteParameter);
Assert.IsTrue(canExecute);
Assert.AreSame(canExecuteParameter, testCommand.CanExecuteParameter);
object executeParameter = new object();
commandReference.Execute(executeParameter);
Assert.AreSame(executeParameter, testCommand.ExecuteParameter);
Assert.IsFalse(canExecuteChangedCalled);
}
public void ShouldExecuteReferencedCommand()
{
bool canExecuteChangedCalled = false;
TestCommand testCommand = new TestCommand();
CommandReference commandReference = new CommandReference {
Command = testCommand
};
commandReference.CanExecuteChanged += ((sender, eventArgs) => canExecuteChangedCalled = true);
object canExecuteParameter = new object();
bool canExecute = commandReference.CanExecute(canExecuteParameter);
Assert.IsTrue(canExecute);
Assert.AreSame(canExecuteParameter, testCommand.CanExecuteParameter);
object executeParameter = new object();
commandReference.Execute(executeParameter);
Assert.AreSame(executeParameter, testCommand.ExecuteParameter);
Assert.IsFalse(canExecuteChangedCalled);
}