--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_outgoing_incoming.py	Wed Mar 08 17:04:58 2023 +0100
@@ -0,0 +1,53 @@
+from tests import common
+import hglib
+from hglib.util import b
+
+class test_outgoing_incoming(common.basetest):
+    def test_no_path(self):
+        self.assertRaises(hglib.error.CommandError, self.client.incoming)
+
+    def test_empty(self):
+        self.client.clone(dest=b('other'))
+        self.other = hglib.open(b('other'))
+
+        self.assertEquals(self.other.incoming(), [])
+        self.assertEquals(self.other.outgoing(), [])
+
+    def test_basic(self):
+        self.append('a', 'a')
+        self.client.commit(b('first'), addremove=True)
+        self.append('a', 'a')
+        self.client.commit(b('second'))
+
+        self.client.clone(dest=b('other'))
+        other = hglib.open(b('other'))
+
+        self.assertEquals(self.client.log(), other.log())
+        self.assertEquals(self.client.outgoing(path=b('other')),
+                          other.incoming())
+
+        self.append('a', 'a')
+        rev, node = self.client.commit(b('third'))
+        out = self.client.outgoing(path=b('other'))
+
+        self.assertEquals(len(out), 1)
+        self.assertEquals(out[0].node, node)
+
+        self.assertEquals(out, other.incoming())
+
+    def test_bookmarks(self):
+        self.append('a', 'a')
+        self.client.commit(b('first'), addremove=True)
+        self.append('a', 'a')
+        self.client.commit(b('second'))
+
+        self.client.clone(dest=b('other'))
+        other = hglib.open(b('other'))
+
+        self.client.bookmark(b('bm1'), 1)
+
+        self.assertEquals(other.incoming(bookmarks=True),
+                          [(b('bm1'), self.client.tip().node[:12])])
+
+        self.assertEquals(self.client.outgoing(path=b('other'), bookmarks=True),
+                          [(b('bm1'), self.client.tip().node[:12])])