1 files changed, 62 insertions, 0 deletions
diff --git a/jstests/core/capped2.js b/jstests/core/capped2.js
new file mode 100644
index 00000000000..65bb82f4c07
--- /dev/null
+++ b/jstests/core/capped2.js
@@ -0,0 +1,62 @@
+db.capped2.drop();
+db._dbCommand( { create: "capped2", capped: true, size: 1000, $nExtents: 11, autoIndexId: false } );
+tzz = db.capped2;
+
+function debug( x ) {
+//    print( x );
+}
+
+var val = new Array( 2000 );
+var c = "";
+for( i = 0; i < 2000; ++i, c += "---" ) { // bigger and bigger objects through the array...
+    val[ i ] = { a: c };
+}
+
+function checkIncreasing( i ) {
+    res = tzz.find().sort( { $natural: -1 } );
+    assert( res.hasNext(), "A" );
+    var j = i;
+    while( res.hasNext() ) {
+        try {
+             assert.eq( val[ j-- ].a, res.next().a, "B" );
+        } catch( e ) {
+            debug( "capped2 err " + j );
+            throw e;
+        }
+    }
+    res = tzz.find().sort( { $natural: 1 } );
+    assert( res.hasNext(), "C" );
+    while( res.hasNext() )
+	assert.eq( val[ ++j ].a, res.next().a, "D" );
+    assert.eq( j, i, "E" );
+}
+
+function checkDecreasing( i ) {
+    res = tzz.find().sort( { $natural: -1 } );
+    assert( res.hasNext(), "F" );
+    var j = i;
+    while( res.hasNext() ) {
+      	assert.eq( val[ j++ ].a, res.next().a, "G" );
+    }
+    res = tzz.find().sort( { $natural: 1 } );
+    assert( res.hasNext(), "H" );
+    while( res.hasNext() )
+	assert.eq( val[ --j ].a, res.next().a, "I" );
+    assert.eq( j, i, "J" );
+}
+
+for( i = 0 ;; ++i ) {
+    debug( "capped 2: " + i );
+    tzz.insert( val[ i ] );
+    if ( tzz.count() == 0 ) {
+    	assert( i > 100, "K" );
+        break;
+    }
+    checkIncreasing( i );
+}
+
+for( i = 600 ; i >= 0 ; --i ) {
+    debug( "capped 2: " + i );
+    tzz.insert( val[ i ] );
+    checkDecreasing( i );
+}