package constructs;

import static org.junit.Assert.*;

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

import file.FilePosition;

public class TokenFactoryTester {

    private TokenFactory tokenFactory;
    private FilePosition testPosition;

    @Before
    public void setUp() throws Exception {
        tokenFactory = new TokenFactoryImpl();
        testPosition = new FilePosition("testFile");
        testPosition.setLineNumber(0);
        testPosition.setColumnNumber(0);
    }

    @Test
    public void testEOFTokenCreation() {
        assertEquals(Token.Type.EOF, tokenFactory.createEOFToken(testPosition).getType());
    }

    @Test
    public void testLeftParenthesisCreation() {
        String text = "(";
        assertEquals(Token.Type.LEFT_PAREN, tokenFactory.createToken(text, testPosition).getType());
    }

    @Test
    public void testRightParenthesisCreation() {
        String text = ")";
        assertEquals(Token.Type.RIGHT_PAREN, tokenFactory.createToken(text, testPosition).getType());
    }

    @Test
    public void testQuoteMarkCreation() {
        String text = "'";
        assertEquals(Token.Type.QUOTE_MARK, tokenFactory.createToken(text, testPosition).getType());
    }

    @Test
    public void testNumberCreation() {
        String text = "987";
        assertEquals(Token.Type.NUMBER, tokenFactory.createToken(text, testPosition).getType());
    }

    @Test
    public void testIdentifierCreation() {
        String text = "identifier";
        assertEquals(Token.Type.IDENTIFIER, tokenFactory.createToken(text, testPosition).getType());
    }

    @Test
    public void testStringCreation() {
        String text = "\"string\"";
        assertEquals(Token.Type.STRING, tokenFactory.createToken(text, testPosition).getType());
    }

    @Test(expected = TokenFactory.BadCharacterException.class)
    public void testBadCharacter() {
        String text = "[abc]";
        tokenFactory.createToken(text, testPosition);
    }

}