Basic test

Author: nathanlws

src/test/java/com/fasterxml/sort/TestIterableSorter.java

@@ -0,0 +1,40 @@
+package com.fasterxml.sort;
+
+import com.fasterxml.sort.util.CollectionReader;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+
+public class TestIterableSorter extends SortTestBase
+{
+    private static final List<Integer> INPUT = Arrays.asList(5, 2, 8, 1, 4, 6, 9, 3, 7);
+    private static final List<Integer> EXPECTED = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9);
+
+    public void testBasic() throws IOException {
+        IteratingSorter<Integer> sorter = new IteratingSorter<Integer>();
+        sortAndCheck("", sorter);
+        sorter.close();
+    }
+
+    public void testReused() throws IOException {
+        IteratingSorter<Integer> sorter = new IteratingSorter<Integer>();
+        sortAndCheck("pass 1 ", sorter);
+        sortAndCheck("pass 2 ", sorter);
+        sortAndCheck("pass 3 ", sorter);
+        sorter.close();
+    }
+
+    private void sortAndCheck(String msg, IteratingSorter<Integer> sorter) throws IOException {
+        Iterator<Integer> sorterIt = sorter.sort(new CollectionReader<Integer>(INPUT));
+        assertTrue("sort success", sorterIt != null);
+        Iterator<Integer> expectedIt = EXPECTED.iterator();
+        int i = 0;
+        while(expectedIt.hasNext()) {
+            assertTrue(msg + "hasNext on " + i, sorterIt.hasNext());
+            assertEquals(msg + "value on " + i, expectedIt.next(), sorterIt.next());
+        }
+        assertFalse(msg + "extra items", sorterIt.hasNext());
+    }
+}