41 lines
1.3 KiB
Java
41 lines
1.3 KiB
Java
package debugging;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Iterator;
|
|
import java.util.List;
|
|
|
|
import org.eclipse.xtext.xbase.lib.CollectionLiterals;
|
|
|
|
public class StringMergingIteratorProgram {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
Iterator<String> one = CollectionLiterals.<String>newArrayList("a", "b").iterator();
|
|
Iterator<String> two = CollectionLiterals.<String>newArrayList("c", "d", "e").iterator();
|
|
|
|
StringMergingIterator mergeIterator = new StringMergingIterator(one, two);
|
|
|
|
List<String> values = new ArrayList<String>();
|
|
|
|
while(mergeIterator.hasNext()){
|
|
values.add(mergeIterator.next());
|
|
}
|
|
|
|
List<String> expectedOutput = CollectionLiterals.<String>newArrayList("a", "c", "b", "d", "e");
|
|
|
|
if(values.size() != expectedOutput.size()){
|
|
throw new Exception("The merged output did not contain the expected number of values. Try using the Eclipse debugger to see the difference between the lists.");
|
|
}
|
|
|
|
for(int i = 0; i < expectedOutput.size(); i++){
|
|
if(! values.get(i).equals(expectedOutput.get(i))){
|
|
throw new Exception("The iterator did not correctly merge the output. Try using the Eclipse debugger to see the difference between the lists.");
|
|
}
|
|
}
|
|
|
|
System.out.println("Success! StringMergingIterator correctly merged the output of the two lists.");
|
|
|
|
}
|
|
|
|
}
|