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<pre class="prettyprint">
@Test
public void newArrayListsHaveNoElements() {
assertThat(new ArrayList&lt;Integer&gt;().size(), is(0));
}
@Test
public void sizeReturnsNumberOfElements() {
List&lt;Object&gt; instance = new ArrayList&lt;Object&gt;();
instance.add(new Object());
instance.add(new Object());
assertThat(instance.size(), is(2));
}
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@Test
public void lookupEmailAddresses() {
assertThat(new CartoonCharacterEmailLookupService().getResults(&quot;looney&quot;), allOf(
not(empty()),
containsInAnyOrder(
allOf(instanceOf(Map.class), hasEntry(&quot;id&quot;, &quot;56&quot;), hasEntry(&quot;email&quot;, &quot;roadrunner@fast.org&quot;)),
allOf(instanceOf(Map.class), hasEntry(&quot;id&quot;, &quot;76&quot;), hasEntry(&quot;email&quot;, &quot;wiley@acme.com&quot;))
)
));
}
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