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package com.sun.jersey.impl;

import com.sun.jersey.core.header.OutBoundHeaders;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import junit.framework.*;

/**
 *
 * @author Paul.Sandoz@Sun.Com
 */
public class OutBoundHeadersTest extends TestCase {
    
    public OutBoundHeadersTest(String testName) {
        super(testName);
    }
    
    
    public void testGet() {
        OutBoundHeaders h = new OutBoundHeaders();

        h.add("Content-Type", "value");

        Object s = h.getFirst("content-type");
        assertEquals("value", s);
        s = h.getFirst("cONTENT-tYPE");
        assertEquals("value", s);
    }

    public void testPut() {
        OutBoundHeaders h = new OutBoundHeaders();

        h.add("Content-Type", "value");

        h.get("CONTENT-TYPE").set(0, "value1");

        Object s = h.getFirst("content-type");
        assertEquals("value1", s);
        s = h.getFirst("cONTENT-tYPE");
        assertEquals("value1", s);
    }

    public void testRemove() {
        OutBoundHeaders h = new OutBoundHeaders();

        h.add("Content-Type", "value");
        h.remove("Content-Type");

        assertEquals(0, h.size());
    }

    public void testRemoveAdd() {
        OutBoundHeaders h = new OutBoundHeaders();

        h.add("Content-Type", "value");
        h.remove("Content-Type");
        assertEquals(0, h.size());

        int i = 0;
        for (Map.Entry<String, List<Object>> e : h.entrySet()) {
            i++;
        }
        assertEquals(0, i);

        h.add("Content-Type", "value");

        List<Object> l = h.get("Content-Type");
        assertNotNull(1);
        assertEquals(1, l.size());

        i = 0;
        for (Map.Entry<String, List<Object>> e : h.entrySet()) {
            i++;
        }
        assertEquals(1, i);
    }

    public void testOrder() {
        OutBoundHeaders h = new OutBoundHeaders();

        for (int i = 0; i < 1000; i++) {
            h.add(UUID.randomUUID().toString() + i, i);
        }

        int i = 0;
        for (Map.Entry<String, List<Object>> e : h.entrySet()) {
            assertEquals(i, e.getValue().get(0));
            i++;
        }
    }

    public void testMoreGet() {
        OutBoundHeaders h = new OutBoundHeaders();

        for (int i = 0; i < 100; i++) {
            String key = generate(i);
            String value = key;

            h.add(key, value);
            assertEquals(value, h.getFirst(key));

            value = value + "NEW";

            h.get(key).set(0, value);
            assertEquals(value, h.getFirst(key));
        }
    }

    private String generate(int size) {
        StringBuilder b = new StringBuilder();
        char c = 'A';
        while (size-- > 0) {
            b.append(Character.toLowerCase(c));
            b.append(Character.toUpperCase(c));
            c++;
        }

        return b.toString();
    }
    
}
