public void TestMethodFiltering_SPR6764()
{
var parser = new SpelExpressionParser();
var context = new StandardEvaluationContext();
context.SetRootObject(new TestObject());
var filter = new LocalFilter();
context.RegisterMethodFilter(typeof(TestObject), filter);
// Filter will be called but not do anything, so first doit() will be invoked
var expr = (SpelExpression)parser.ParseExpression("DoIt(1)");
var result = expr.GetValue <string>(context);
Assert.Equal("1", result);
Assert.True(filter.FilterCalled);
// Filter will now remove non @Anno annotated methods
filter.RemoveIfNotAnnotated = true;
filter.FilterCalled = false;
expr = (SpelExpression)parser.ParseExpression("DoIt(1)");
result = expr.GetValue <string>(context);
Assert.Equal("double 1.0", result);
Assert.True(filter.FilterCalled);
// check not called for other types
filter.FilterCalled = false;
context.SetRootObject("abc".Clone());
expr = (SpelExpression)parser.ParseExpression("[0]");
result = expr.GetValue <string>(context);
Assert.Equal("a", result);
Assert.False(filter.FilterCalled);
// check de-registration works
filter.FilterCalled = false;
context.RegisterMethodFilter(typeof(TestObject), null); // clear filter
context.SetRootObject(new TestObject());
expr = (SpelExpression)parser.ParseExpression("DoIt(1)");
result = expr.GetValue <string>(context);
Assert.Equal("1", result);
Assert.False(filter.FilterCalled);
}