/*
******************************************************************
Copyright (c) 2001-2015 Jeff Martin, Tim Bacon
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      of its contributors may be used to endorse or promote products
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package org.custommonkey.xmlunit;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import junit.framework.TestCase;

/**
 * JUnit test for SimpleNamespaceContext
 */
public class test_SimpleNamespaceContext extends TestCase {

    private static final String[] PREFIXES = {"foo", "bar"};
    private static final String URI = "urn:example";

    public void testEmptyContextIsEmpty() {
        assertFalse(SimpleNamespaceContext.EMPTY_CONTEXT.getPrefixes()
                    .hasNext());
    }

    public void testSimpleMap() {
        validate(new SimpleNamespaceContext(setupMap()));
    }

    public void testCopyOfMap() {
        Map<String, String> map = setupMap();
        SimpleNamespaceContext ctx = new SimpleNamespaceContext(map);
        // change a mapping
        map.put(PREFIXES[0], URI + PREFIXES[0]);
        // add a new one
        map.put(PREFIXES[0] + PREFIXES[0], URI);
        validate(ctx);
    }

    private static Map<String, String> setupMap() {
        Map<String, String> map = new HashMap<String, String>();
        for (String prefix : PREFIXES) {
            map.put(prefix, URI);
        }
        return map;
    }

    private static void validate(NamespaceContext ctx) {
        for (int i = 0; i < PREFIXES.length; i++) {
            assertEquals(URI, ctx.getNamespaceURI(PREFIXES[i]));
        }
        Iterator it = ctx.getPrefixes();
        boolean[] found = new boolean[PREFIXES.length];
        int count = 0;
        while (it.hasNext()) {
            count++;
            String p = (String) it.next();
            boolean foundThisPrefix = false;
            for (int i = 0; !foundThisPrefix && i < PREFIXES.length; i++) {
                if (PREFIXES[i].equals(p)) {
                    found[i] = foundThisPrefix = true;
                }
            }
            if (!foundThisPrefix) {
                fail("Prefix " + p + " should not be in this context");
            }
        }
        assertEquals(PREFIXES.length, count);
        for (int i = 0; i < PREFIXES.length; i++) {
            assertTrue("Context contained " + PREFIXES[i], found[i]);
        }
    }
}
