/projects/netbeans-7.3/php.editor/test/unit/src/org/netbeans/modules/php/editor/lexer/LexUtilitiesTest.java

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package org.netbeans.modules.php.editor.lexer;

import javax.swing.text.Document;
import org.netbeans.api.html.lexer.HTMLTokenId;
import org.netbeans.api.lexer.Language;
import org.netbeans.api.lexer.TokenSequence;
import org.netbeans.modules.css.lib.api.CssTokenId;
import org.openide.filesystems.FileObject;

/**
 *
 * @author petr
 */
public class LexUtilitiesTest extends PHPLexerTestBase {

    public LexUtilitiesTest(String testName) {
        super(testName);
    }

    @Override
    protected void setUp() throws Exception {
        super.setUp();
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
    }

    public void testGetMostEmbeddedTokenSequenceLocking() throws Exception {
        FileObject file = getTestFile("testfiles/embeddings.php");
        Document doc = getDocument(file);
        LexUtilities.getMostEmbeddedTokenSequence(doc, 0, true);
        LexUtilities.getMostEmbeddedTokenSequence(doc, 0, false);
    }
    
    public void testGetMostEmbeddedTokenSequence() throws Exception {
        FileObject file = getTestFile("testfiles/embeddings.php");
        //the file content:
        //<div style="color: red"><? echo "hello"; ?></div>
        //01234567890123456789012345678901234567890123456789
        //0         1         2         3         4
        Document doc = getDocument(file);
        
        check(doc, 0, HTMLTokenId.language());
        check(doc, 5, HTMLTokenId.language());
        check(doc, 44, HTMLTokenId.language());
        check(doc, 26, PHPTokenId.language());
        check(doc, 40, PHPTokenId.language());
        check(doc, 14, CssTokenId.language());

    }

    private void check(Document doc, int offset, Language l) {
        TokenSequence ts = LexUtilities.getMostEmbeddedTokenSequence(doc, offset, true);
        assertNotNull(ts);
        assertEquals(l, ts.language());
    }

}