/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.pdfbox.pdmodel;

import java.io.IOException;
import java.util.List;
import junit.framework.TestCase;
import org.apache.pdfbox.contentstream.operator.Operator;
import org.apache.pdfbox.cos.COSFloat;
import org.apache.pdfbox.pdfparser.PDFStreamParser;
import org.apache.pdfbox.pdmodel.PDPageContentStream.AppendMode;

/**
 * @author Yegor Kozlov
 */
public class TestPDPageContentStream extends TestCase
{
    public void testSetCmykColors() throws IOException
    {
        try (PDDocument doc = new PDDocument())
        {
            PDPage page = new PDPage();
            doc.addPage(page);

            try (PDPageContentStream contentStream = new PDPageContentStream(doc, page, AppendMode.OVERWRITE, true))
            {
                // pass a non-stroking color in CMYK color space
                contentStream.setNonStrokingColor(0.1f, 0.2f, 0.3f, 0.4f);
                contentStream.close();
            }

                // now read the PDF stream and verify that the CMYK values are correct
            PDFStreamParser parser = new PDFStreamParser(page.getContents());
            parser.parse();
            java.util.List<Object>  pageTokens = parser.getTokens();
            // expected five tokens :
            // [0] = COSFloat{0.1}
            // [1] = COSFloat{0.2}
            // [2] = COSFloat{0.3}
            // [3] = COSFloat{0.4}
            // [4] = PDFOperator{"k"}
            assertEquals(0.1f, ((COSFloat)pageTokens.get(0)).floatValue());
            assertEquals(0.2f, ((COSFloat)pageTokens.get(1)).floatValue());
            assertEquals(0.3f, ((COSFloat)pageTokens.get(2)).floatValue());
            assertEquals(0.4f, ((COSFloat)pageTokens.get(3)).floatValue());
            assertEquals("k", ((Operator) pageTokens.get(4)).getName());

            // same as above but for PDPageContentStream#setStrokingColor
            page = new PDPage();
            doc.addPage(page);

            try ( PDPageContentStream contentStream = new PDPageContentStream(doc, page, AppendMode.OVERWRITE, false))
            {
                // pass a non-stroking color in CMYK color space
                contentStream.setStrokingColor(0.5f, 0.6f, 0.7f, 0.8f);
                contentStream.close();
            }

            // now read the PDF stream and verify that the CMYK values are correct
            parser = new PDFStreamParser(page.getContents());
            parser.parse();
            pageTokens = parser.getTokens();
            // expected five tokens  :
            // [0] = COSFloat{0.5}
            // [1] = COSFloat{0.6}
            // [2] = COSFloat{0.7}
            // [3] = COSFloat{0.8}
            // [4] = PDFOperator{"K"}
            assertEquals(0.5f, ((COSFloat)pageTokens.get(0)).floatValue());
            assertEquals(0.6f, ((COSFloat)pageTokens.get(1)).floatValue());
            assertEquals(0.7f, ((COSFloat)pageTokens.get(2)).floatValue());
            assertEquals(0.8f, ((COSFloat)pageTokens.get(3)).floatValue());
            assertEquals("K", ((Operator)pageTokens.get(4)).getName());
        }
    }

    /**
     * PDFBOX-3510: missing content stream should not fail.
     * 
     * @throws IOException 
     */
    public void testMissingContentStream() throws IOException
    {
        PDPage page = new PDPage();
        PDFStreamParser parser = new PDFStreamParser(page.getContents());
        parser.parse();
        List<Object> tokens = parser.getTokens();
        assertEquals(0, tokens.size());
    }
}

@@ -1697,54 +1697,11 @@
     
-    contentStream.close();%0A            %7D%0A%0A    
+%7D%0A%0A
     
@@ -2961,47 +2961,8 @@
 f);%0A
-                contentStream.close();%0A
     
@@ -4209,11 +4209,498 @@
 );%0A    %7D
+%0A%0A    /**%0A     * Check that close() can be called twice.%0A     *%0A     * @throws IOException %0A     */%0A    public void testCloseContract() throws IOException%0A    %7B%0A        try (PDDocument doc = new PDDocument())%0A        %7B%0A            PDPage page = new PDPage();%0A            doc.addPage(page);%0A            PDPageContentStream contentStream = new PDPageContentStream(doc, page, AppendMode.OVERWRITE, true);%0A            contentStream.close();%0A            contentStream.close();%0A        %7D%0A    %7D
 %0A%7D%0A

add test for double closing