1 files changed, 39 insertions, 0 deletions
diff --git a/addons/web/static/tests/fields/relational_fields_tests.js b/addons/web/static/tests/fields/relational_fields_tests.js
index e928d4b9f2c..4f7041ad2d5 100644
--- a/addons/web/static/tests/fields/relational_fields_tests.js
+++ b/addons/web/static/tests/fields/relational_fields_tests.js
@@ -2906,6 +2906,45 @@ QUnit.module('relational_fields', {
         form.destroy();
     });
 
+    QUnit.test('onchange returning a command 6 for an x2many', function (assert) {
+        assert.expect(2);
+
+        this.data.partner.onchanges = {
+            foo: function (obj) {
+                obj.turtles = [[6, false, [1, 2, 3]]];
+            },
+        };
+
+        var form = createView({
+            View: FormView,
+            model: 'partner',
+            data: this.data,
+            arch:'<form>' +
+                    '<field name="foo"/>' +
+                    '<field name="turtles">' +
+                        '<tree>' +
+                            '<field name="turtle_foo"/>' +
+                        '</tree>' +
+                    '</field>' +
+                 '</form>',
+            res_id: 1,
+            viewOptions: {
+                mode: 'edit',
+            },
+        });
+
+        assert.strictEqual(form.$('.o_data_row').length, 1,
+            "there should be one record in the relation");
+
+        // change the value of foo to trigger the onchange
+        form.$('.o_field_widget[name=foo]').val('some value').trigger('input');
+
+        assert.strictEqual(form.$('.o_data_row').length, 3,
+            "there should be three records in the relation");
+
+        form.destroy();
+    });
+
     QUnit.test('x2many fields inside x2manys are fetched after an onchange', function (assert) {
         assert.expect(6);