<?xml version="1.0" encoding="UTF-8"?>
<test-data
    xmlns="http://pmd.sourceforge.net/rule-tests"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://pmd.sourceforge.net/rule-tests http://pmd.sourceforge.net/rule-tests_1_0_0.xsd">

    <test-code>
        <description>2 calls to next() inside the loop == bad!</description>
        <expected-problems>1</expected-problems>
        <code><![CDATA[
public class PositionalIterator1 {
    public void foo(Iterator i) {
        while(i.hasNext()) {
            Object one = i.next();

            // 2 calls to next() inside the loop == bad!
            Object two = i.next();
        }
    }
}
        ]]></code>
    </test-code>

    <test-code>
        <description>one call to next() inside the loop == ok</description>
        <expected-problems>0</expected-problems>
        <code><![CDATA[
public class PositionalIterator2 {
    public void foo(Iterator i) {
        while(i.hasNext()) {
            Object one = i.next();
        }
    }
}
        ]]></code>
    </test-code>

    <test-code>
        <description>ok</description>
        <expected-problems>0</expected-problems>
        <code><![CDATA[
public class PositionalIterator3 {
    public void foo() {
        Iterator i = (new List()).iterator();
        while(i.hasNext()) {
            Object one = i.next();
            Iterator j = (new List()).iterator();
            while (j.hasNext()) {
                j.next();
            }
        }
    }
}
        ]]></code>
    </test-code>
</test-data>
