add migration test
diff --git a/tests/integration/browser.migration.js b/tests/integration/browser.migration.js
index 2b44eaf..e4e2ddf 100644
--- a/tests/integration/browser.migration.js
+++ b/tests/integration/browser.migration.js
@@ -972,6 +972,239 @@
             result.should.deep.equal(expected);
           });
         });
+
+        it('issue3646 - Should finish with 0 documents', function () {
+
+          var data = [
+            {
+              "docs": [
+                {
+                  "_revisions": {
+                    "start": 2,
+                    "ids": [
+                      "4e16ac64356d4358bf1bdb4857fc299f",
+                      "aed67b17ea5ba6b78e704ad65d3fb5db"
+                    ]
+                  },
+                  "_rev": "2-4e16ac64356d4358bf1bdb4857fc299f",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 2,
+                    "ids": [
+                      "3757f03a178b34284361c89303cf8c35",
+                      "0593f4c87b24f0f9b620526433929bb0"
+                    ]
+                  },
+                  "_rev": "2-3757f03a178b34284361c89303cf8c35",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 3,
+                    "ids": [
+                      "f28d17ab990dcadd20ad38860fde9f11",
+                      "6cf4b9e2115d7e884292b97aa8765285",
+                      "dcfdf66ab61873ee512a9ccf3e3731a1"
+                    ]
+                  },
+                  "_rev": "3-f28d17ab990dcadd20ad38860fde9f11",
+                  "_id": "b74e3b45"
+                },
+                {
+                  "_revisions": {
+                    "start": 3,
+                    "ids": [
+                      "4d93920c00a4a7269095b22ff4329b3c",
+                      "7190eca51acb2b302a89ed1204ac2813",
+                      "017eba7ef1e4f529143f463779822627"
+                    ]
+                  },
+                  "_rev": "3-4d93920c00a4a7269095b22ff4329b3c",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 3,
+                    "ids": [
+                      "91b47d7b889feb36eaf9336c071f00cc",
+                      "0e3379b8f9128e6062d13eeb98ec538e",
+                      "1c006ce18b663e2a031ced4669797c28"
+                    ]
+                  },
+                  "_rev": "3-91b47d7b889feb36eaf9336c071f00cc",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 4,
+                    "ids": [
+                      "2c3c860d421fc9f6cc82e4fb811dc8e2",
+                      "4473170dcffa850aca381b4f644b2947",
+                      "3524a871600080f5e30e59a292b02a3f",
+                      "89eb0b5131800963bb7caf1fc83b6242"
+                    ]
+                  },
+                  "_rev": "4-2c3c860d421fc9f6cc82e4fb811dc8e2",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 6,
+                    "ids": [
+                      "441f43a31c89dc68a7cc934ce5779bf8",
+                      "4c7f8b00508144d049d18668d17e552a",
+                      "e8431fb3b448f3457c5b2d77012fa8b4",
+                      "f2e7dc8102123e13ca792a0a05ca6235",
+                      "37a13a5c1e2ce5926a3ffcda7e669106",
+                      "78739468c87b30f76d067a2d7f373803"
+                    ]
+                  },
+                  "_rev": "6-441f43a31c89dc68a7cc934ce5779bf8",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                }
+              ]
+            },
+            {
+              "docs": [
+                {
+                  "_revisions": {
+                    "start": 2,
+                    "ids": [
+                      "3757f03a178b34284361c89303cf8c35",
+                      "0593f4c87b24f0f9b620526433929bb0"
+                    ]
+                  },
+                  "_rev": "2-3757f03a178b34284361c89303cf8c35",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 2,
+                    "ids": [
+                      "4e16ac64356d4358bf1bdb4857fc299f",
+                      "aed67b17ea5ba6b78e704ad65d3fb5db"
+                    ]
+                  },
+                  "_rev": "2-4e16ac64356d4358bf1bdb4857fc299f",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 3,
+                    "ids": [
+                      "91b47d7b889feb36eaf9336c071f00cc",
+                      "0e3379b8f9128e6062d13eeb98ec538e",
+                      "1c006ce18b663e2a031ced4669797c28"
+                    ]
+                  },
+                  "_rev": "3-91b47d7b889feb36eaf9336c071f00cc",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 3,
+                    "ids": [
+                      "4d93920c00a4a7269095b22ff4329b3c",
+                      "7190eca51acb2b302a89ed1204ac2813",
+                      "017eba7ef1e4f529143f463779822627"
+                    ]
+                  },
+                  "_rev": "3-4d93920c00a4a7269095b22ff4329b3c",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 4,
+                    "ids": [
+                      "2c3c860d421fc9f6cc82e4fb811dc8e2",
+                      "4473170dcffa850aca381b4f644b2947",
+                      "3524a871600080f5e30e59a292b02a3f",
+                      "89eb0b5131800963bb7caf1fc83b6242"
+                    ]
+                  },
+                  "_rev": "4-2c3c860d421fc9f6cc82e4fb811dc8e2",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 4,
+                    "ids": [
+                      "dbaa7e6c02381c2c0ec5259572387d7c",
+                      "f28d17ab990dcadd20ad38860fde9f11",
+                      "6cf4b9e2115d7e884292b97aa8765285",
+                      "dcfdf66ab61873ee512a9ccf3e3731a1"
+                    ]
+                  },
+                  "_rev": "4-dbaa7e6c02381c2c0ec5259572387d7c",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                },
+                {
+                  "_revisions": {
+                    "start": 6,
+                    "ids": [
+                      "441f43a31c89dc68a7cc934ce5779bf8",
+                      "4c7f8b00508144d049d18668d17e552a",
+                      "e8431fb3b448f3457c5b2d77012fa8b4",
+                      "f2e7dc8102123e13ca792a0a05ca6235",
+                      "37a13a5c1e2ce5926a3ffcda7e669106",
+                      "78739468c87b30f76d067a2d7f373803"
+                    ]
+                  },
+                  "_rev": "6-441f43a31c89dc68a7cc934ce5779bf8",
+                  "_id": "b74e3b45",
+                  "_deleted": true
+                }
+              ]
+            }
+          ];
+
+          var oldPouch = new dbs.first.pouch(
+              dbs.first.local, dbs.first.localOpts);
+          var newPouch;
+
+          return oldPouch.bulkDocs(data[0], {new_edits: false}).then(function () {
+            return oldPouch.bulkDocs(data[1], {new_edits: false});
+          }).then(function () {
+            return oldPouch.close();
+          }).then(function () {
+            newPouch = new dbs.second.pouch(dbs.second.local,
+                {auto_compaction: false});
+            return newPouch.allDocs();
+          }).then(function (res) {
+            res.rows.should.have.length(0, 'all docs length is 0');
+            res.total_rows.should.equal(0);
+            return newPouch.allDocs({keys: ['b74e3b45'], include_docs: true});
+          }).then(function (res) {
+            var first = res.rows[0];
+            should.equal(first.value.deleted, true, 'all docs value.deleted');
+            first.value.rev.should.equal('6-441f43a31c89dc68a7cc934ce5779bf8');
+            res.total_rows.should.equal(0);
+            return newPouch.info();
+          }).then(function (info) {
+            info.doc_count.should.equal(0, 'doc_count is 0');
+            return newPouch.changes({include_docs: true});
+          }).then(function (changes) {
+            changes.results.should.have.length(1);
+            var first = changes.results[0];
+            first.doc._rev.should.equal('6-441f43a31c89dc68a7cc934ce5779bf8');
+            should.equal(first.deleted, true, 'changes metadata.deleted');
+            should.equal(first.doc._deleted, true, 'changes doc._deleted');
+          });
+        });
       }
     });
   });