package com.sap.furcas.ide.editor.contentassist.parsinghandler;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.io.IOException;

import org.junit.Before;
import org.junit.Test;

import com.sap.furcas.ide.editor.contentassist.CtsContentAssistContext;
import com.sap.furcas.metamodel.FURCAS.TCS.LiteralRef;
import com.sap.furcas.metamodel.FURCAS.TCS.Property;
import com.sap.furcas.runtime.parser.exceptions.InvalidParserImplementationException;
import com.sap.furcas.runtime.parser.exceptions.UnknownProductionRuleException;

public class TestCtsContentAssistParsingHandlerSequence extends CtsContentAssistParsingHandlerTestBase {

    @Before
    public void initObserver() throws InvalidParserImplementationException, IOException, UnknownProductionRuleException {
        observeFixture("fixtures/Sequence.tcs");
    }

    @Test
    public void testValidFinishState() {
        observer.assertValidFinishState();
    };

    @Test
    public void testParentPropertyStackSize() {
        CtsContentAssistContext context;

        context = observer.getFloorContext(1, 0);
        assertEquals(0, context.getParentPropertyStack().size());

        context = observer.getFloorContext(2, 0);
        assertEquals(0, context.getParentPropertyStack().size());

        // templates
        context = observer.getFloorContext(2, 1);
        assertEquals(1, context.getParentPropertyStack().size());

        // templates and names
        context = observer.getFloorContext(2, 14);
        assertEquals(2, context.getParentPropertyStack().size());

        // templates and names
        context = observer.getFloorContext(2, 18);
        assertEquals(2, context.getParentPropertyStack().size());

        // templates and names
        context = observer.getFloorContext(2, 24);
        assertEquals(2, context.getParentPropertyStack().size());

        // templates and elements
        context = observer.getFloorContext(3, 24);
        assertEquals(3, context.getParentPropertyStack().size());

        // templates
        context = observer.getFloorContext(5, 0);
        assertEquals(1, context.getParentPropertyStack().size());

        context = observer.getFloorContext(6, 0);
        assertEquals(0, context.getParentPropertyStack().size());

    }

    @Test
    public void testSequenceElements() {
        CtsContentAssistContext context;

        // property names
        context = observer.getFloorContext(2, 14);
        assertTrue(context.getSequenceElement() instanceof Property);

        // literal ref ::
        context = observer.getFloorContext(2, 18);
        assertTrue(context.getSequenceElement() instanceof LiteralRef);

        // property names
        context = observer.getFloorContext(2, 24);
        assertTrue(context.getSequenceElement() instanceof Property);

    }
}