collectionsxtest.java

bpel执行引擎用来执行bpel业务流程

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *    http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.ode.utils.stl;

import java.util.*;

import junit.framework.TestCase;

public class CollectionsXTest extends TestCase {

  public void testFilterByMemberOfFunction() {
    List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar");
    Collection<Object> result = new ArrayList<Object>();
    CollectionsX.filter(result, src, new MemberOfFunction<Object>() {
      public boolean isMember(Object o) {
        return o.getClass().equals(String.class);
      }
    });
    assertEquals(2, result.size());
    Iterator results = result.iterator();
    assertEquals("foo", results.next());
    assertEquals("bar", results.next());
  }

  public void testFilterIteratorByClass() {
    List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar");
    Collection<String> result = new ArrayList<String>();
    CollectionsX.filter(result, src.iterator(), String.class);
    assertEquals(2, result.size());
    Iterator<String> results = result.iterator();
    assertEquals("foo", results.next());
    assertEquals("bar", results.next());
  }

  public void testFilterByClass() {
    List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar");
    Collection<String> result = CollectionsX.filter(src, String.class);
    assertEquals(2, result.size());
    Iterator<String> results = result.iterator();
    assertEquals("foo", results.next());
    assertEquals("bar", results.next());
  }

  public void testFilterByClassNoResult() {
    List<Object> src = Arrays.asList(new Object(), "foo", 42, "bar");
    Collection<Double> noresult = CollectionsX.filter(src, Double.class);
    assertNotNull(noresult);
    assertTrue(noresult.isEmpty());
  }

}