diff --git a/README.md b/README.md
index 2a8b18c..07cc6ac 100644
--- a/README.md
+++ b/README.md
@@ -132,8 +132,7 @@ Because `buildRevertPatch + apply` offers more flexibility over `revert` it is p
 * use [pack/unpack](#patch-size) with the result of `buildRevertPatch` making it ideal for storage or transport
 * reverse a revert (and so on...) with `{reversible: true}`
 * [diff](#diff) between reverts
-* merge multiple reverts into one
-* rebase reverts
+* concat, squash, rebase multiple reverts
 
 [↑](#json8-patch)
 
diff --git a/index.js b/index.js
index 0abf2d4..dca1b57 100644
--- a/index.js
+++ b/index.js
@@ -31,3 +31,4 @@ module.exports.unpack = require('./lib/unpack')
 
 // Utilities
 module.exports.concat = require('./lib/concat')
+module.exports.squash = require('./lib/squash')
diff --git a/lib/squash.js b/lib/squash.js
new file mode 100644
index 0000000..fc50730
--- /dev/null
+++ b/lib/squash.js
@@ -0,0 +1,56 @@
+'use strict'
+
+function wasModified(patch, path) {
+  for (var i = 0; i < patch.length; i++) {
+    var op = patch[i]
+    if (op.path !== path) continue
+    if (op.op === 'add' || op.op === 'replace' || op.op === 'remove' || op.op === 'move' || op.op === 'copy') return true
+  }
+  return false
+}
+
+module.exports = function squash(patch) {
+  var squashed = []
+
+  var push = true
+
+  patch.forEach(function(op) {
+    // if current op overrides previous operations, remove them
+    if (['add', 'replace', 'remove', 'move', 'copy'].indexOf(op.op) !== -1) {
+      squashed.forEach(function(prev, idx) {
+        if (prev.op === 'test') return
+        if (prev.path === op.path) { // same path - FIXME children/parents ?
+          if (wasModified(squashed, op.path)) {
+            squashed[idx] = undefined
+          }
+
+          // the path was created in the patch, the remove operation shouldn't be included
+          // example
+          //  {"path": "/foo", "op": "add", "value": "foo"},
+          //  {"path": "/foo", "op": "remove"}
+          if (op.op === 'remove') {
+            push = false
+          }
+          // the path was created in the patch, replace op requires the target to exist
+          // example
+          // {"path": "/foo", "op": "add", "value": "foo"},
+          // {"path": "/foo", "op": "replace", "value": "bar"}
+          else if (op.op === 'replace') {
+            // push = false
+            op = {"path": op.path, "op": "add", "value": op.value}
+          }
+        }
+      })
+    }
+
+    if (push) {
+      squashed.push(op)
+    }
+  })
+
+  var foo = []
+  squashed.forEach(function(op) {
+    if (op !== undefined) foo.push(op)
+  })
+  return foo
+}
diff --git a/test/squash_same_path.js b/test/squash_same_path.js
new file mode 100644
index 0000000..a2e34d0
--- /dev/null
+++ b/test/squash_same_path.js
@@ -0,0 +1,748 @@
+'use strict'
+
+import assert from 'assert'
+import squash from '../lib/squash'
+import apply from '../lib/apply'
+import {clone} from 'json8'
+
+/* eslint comma-dangle: 0 */
+
+function test(patch, squashed, doc, expected) {
+  assert.deepEqual(squash(patch), squashed)
+
+
+  if (doc) {
+    assert.deepEqual(apply(clone(doc), patch).doc, apply(clone(doc), squashed).doc)
+  }
+
+  if (expected) {
+    assert.deepEqual(apply(clone(doc), patch).doc, expected)
+    assert.deepEqual(apply(clone(doc), squashed).doc, expected)
+  }
+}
+
+/*
+ * add
+ */
+// add - add
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  {},
+  {"foo": "bar"}
+)
+// add - remove
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/foo", "op": "remove"}
+  ],
+  [],
+  {},
+  {}
+)
+// add - replace
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  {},
+  {"foo": "bar"}
+)
+// add - move to
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  {"bar": "lulz"},
+  {"foo": "lulz"}
+)
+// // add - move from // FIXME this could resolve to [{"op": "add", "path": "/bar", "value": "lulz"}]
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ],
+  {},
+  {"bar": "lulz"}
+)
+// add - copy to
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  {"bar": "lulz"},
+  {"bar": "lulz", "foo": "lulz"}
+)
+// add - copy from
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ],
+  {},
+  {"foo": "lulz", "bar": "lulz"}
+)
+// add - test
+test(
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "lulz"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  {},
+  {"foo": "lulz"}
+)
+
+/*
+ * remove
+ */
+// remove - add
+test(
+  [
+    {"path": "/foo", "op": "remove"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  {"foo": "lulz"},
+  {"foo": "bar"}
+)
+// // remove - remove // FIXME invalid patch ...
+// test(
+//   [
+//     {"path": "/foo", "op": "remove"},
+//     {"path": "/foo", "op": "remove"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "remove"},
+//     {"path": "/foo", "op": "remove"}
+//   ]
+// )
+// // remove - replace // FIXME invalid patch ...
+// test(
+//   [
+//     {"path": "/foo", "op": "remove"},
+//     {"path": "/foo", "op": "replace", "value": "bar"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "remove"},
+//     {"path": "/foo", "op": "replace", "value": "bar"}
+//   ]
+// )
+// remove - move to
+test(
+  [
+    {"path": "/foo", "op": "remove"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  {"foo": "cat", "bar": "dog"},
+  {"foo": "dog"}
+)
+// // remove - move from // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/foo", "op": "remove"},
+//     {"path": "/bar", "op": "move", "from": "/foo"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "move", "from": "/bar"}
+//   ]
+// )
+// remove - copy to
+test(
+  [
+    {"path": "/foo", "op": "remove"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  {"foo": "turtle", "bar": "dog"},
+  {"foo": "dog", "bar": "dog"}
+)
+// // remove - copy from // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/foo", "op": "remove"},
+//     {"path": "/bar", "op": "copy", "from": "/foo"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "add", "value": "lulz"},
+//     {"path": "/bar", "op": "copy", "from": "/foo"}
+//   ]
+// )
+// remove - test // FIXME invalid patch
+test(
+  [
+    {"path": "/foo", "op": "remove"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  [
+    {"path": "/foo", "op": "remove"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ]
+)
+
+/*
+ * replace
+ */
+// replace - add
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  {"foo": "cat"},
+  {"foo": "bar"}
+)
+// replace - remove // FIXAAAAAAAAAAA
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/foo", "op": "remove"}
+  ],
+  [
+    {"path": "/foo", "op": "remove"}
+  ],
+  {"foo": "cat"},
+  {}
+)
+// replace - replace
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// replace - move to
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ]
+)
+// replace - move from
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ]
+)
+// replace - copy to
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ]
+)
+// replace - copy from
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ]
+)
+// replace - test
+test(
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  [
+    {"path": "/foo", "op": "replace", "value": "lulz"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ]
+)
+
+/*
+ * move to
+ */
+// move to - add
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// move to - remove
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/foo", "op": "remove"}
+  ],
+  []
+)
+// move to - replace
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// move to - move to
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ]
+)
+// move to - move from // FIXME this could resolve to []
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ]
+)
+// move to - copy to // FIXME invalid patch
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ]
+)
+// move to - copy from // FIXME this could resolve to [{"op": "copy", "path": "/bar" from: "/foo"}]
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ]
+)
+// move to - test
+test(
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ]
+)
+
+/*
+ * move from
+ */
+// move from - add
+test(
+  [
+    {"path": "/bar", "op": "move", "from": "/foo"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/bar", "op": "move", "from": "/foo"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// // move from - remove // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/bar", "op": "move", "from": "/foo"},
+//     {"path": "/foo", "op": "remove"}
+//   ],
+//   []
+// )
+// // move from - replace // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/bar", "op": "move", "from": "/foo"},
+//     {"path": "/foo", "op": "replace", "value": "bar"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "add", "value": "bar"}
+//   ]
+// )
+// // move from - move to // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/bar", "op": "move", "from": "/foo"},
+//     {"path": "/foo", "op": "move", "from": "/bar"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "move", "from": "/bar"}
+//   ]
+// )
+// // move from - move from // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/bar", "op": "move", "from": "/foo"},
+//     {"path": "/bar", "op": "move", "from": "/foo"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "move", "from": "/bar"},
+//     {"path": "/bar", "op": "move", "from": "/foo"}
+//   ]
+// )
+// move from - copy to // FIXME this could resolve to [{"op": "copy", "path": "/bar", "from": "/foo"}]
+test(
+  [
+    {"path": "/bar", "op": "move", "from": "/foo"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/bar", "op": "move", "from": "/foo"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ]
+)
+// // move from - copy from // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/bar", "op": "move", "from": "/foo"},
+//     {"path": "/bar", "op": "copy", "from": "/foo"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "move", "from": "/bar"},
+//     {"path": "/bar", "op": "copy", "from": "/foo"}
+//   ]
+// )
+// // move from - test // FIXME invalid patch
+// test(
+//   [
+//     {"path": "/bar", "op": "move", "from": "/foo"},
+//     {"path": "/foo", "op": "test", "value": "lulz"}
+//   ],
+//   [
+//     {"path": "/foo", "op": "move", "from": "/bar"},
+//     {"path": "/foo", "op": "test", "value": "lulz"}
+//   ]
+// )
+
+
+/*
+ * copy to
+ */
+// copy to - add
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// copy to - remove
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/foo", "op": "remove"}
+  ],
+  []
+)
+// copy to - replace
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// copy to - move to
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ]
+)
+// copy to - move from // FIXME this could resolve to [{"op": "copy", "path": "/bar" from: "/foo"}]
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ]
+)
+// copy to - copy to
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ]
+)
+// copy to - copy from // FIXME this could resolve to []
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ]
+)
+// copy to - test
+test(
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  [
+    {"path": "/foo", "op": "copy", "from": "/bar"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ]
+)
+
+/*
+ * copy from
+ */
+// copy from - add
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// copy from - remove
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "remove"}
+  ],
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "remove"}
+  ]
+)
+// copy from - replace
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ],
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ]
+)
+// copy from - move to // FIXME this could resolve to []
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ]
+)
+// copy from - move from
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ],
+  [
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ]
+)
+// copy from - copy to // FIXME this chould resolve to [{"path": "/bar", "op": "copy", "from": "/foo"}]
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ]
+)
+// copy from - copy from
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ],
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ]
+)
+// copy from - test
+test(
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  [
+    {"path": "/bar", "op": "copy", "from": "/foo"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ]
+)
+
+/*
+ * test
+ */
+// test - add
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "add", "value": "bar"}
+  ]
+)
+// test - remove
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "remove"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "remove"}
+  ]
+)
+// test - replace
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "replace", "value": "bar"}
+  ]
+)
+// test - move to
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "move", "from": "/bar"}
+  ]
+)
+// test - move from
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/bar", "op": "move", "from": "/foo"}
+  ]
+)
+// test - copy to
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "copy", "from": "/bar"}
+  ]
+)
+// test - copy from
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/bar", "op": "copy", "from": "/foo"}
+  ]
+)
+// test - test
+test(
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ],
+  [
+    {"path": "/foo", "op": "test", "value": "lulz"},
+    {"path": "/foo", "op": "test", "value": "lulz"}
+  ]
+)