Installing dependencies.

node_modules/traverse/test/negative.js

@@ -0,0 +1,21 @@
+var traverse = require('../');
+var test = require('tape');
+
+test('negative update test', function (t) {
+    var obj = [ 5, 6, -3, [ 7, 8, -2, 1 ], { f : 10, g : -13 } ];
+    var fixed = traverse.map(obj, function (x) {
+        if (x < 0) this.update(x + 128);
+    });
+    
+    t.same(fixed,
+        [ 5, 6, 125, [ 7, 8, 126, 1 ], { f: 10, g: 115 } ],
+        'Negative values += 128'
+    );
+    
+    t.same(obj,
+        [ 5, 6, -3, [ 7, 8, -2, 1 ], { f: 10, g: -13 } ],
+        'Original references not modified'
+    );
+    
+    t.end();
+});