diff -r 8f27e17c3558 -r 3eb9d9715776 tests/test-evolve-obshistory-prune.t
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-evolve-obshistory-prune.t	Tue May 22 17:37:40 2018 +0200
@@ -0,0 +1,127 @@
+This test file test the various messages when accessing obsolete
+revisions.
+
+Global setup
+============
+
+  $ . $TESTDIR/testlib/obshistory_setup.sh
+
+Test simple common cases
+========================
+
+Test setup
+----------
+  $ hg init $TESTTMP/simple
+  $ cd $TESTTMP/simple
+
+Actual test
+-----------
+  $ hg obslog -ap null
+  @  000000000000 (-1)
+  
+  $ hg obslog 'wdir()'
+  abort: working directory revision cannot be specified
+  [255]
+
+Test output with pruned commit
+==============================
+
+Test setup
+----------
+
+  $ hg init $TESTTMP/local-prune
+  $ cd $TESTTMP/local-prune
+  $ mkcommit ROOT
+  $ mkcommit A0 # 0
+  $ mkcommit B0 # 1
+  $ hg log --hidden -G
+  @  changeset:   2:0dec01379d3b
+  |  tag:         tip
+  |  user:        test
+  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  summary:     B0
+  |
+  o  changeset:   1:471f378eab4c
+  |  user:        test
+  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  summary:     A0
+  |
+  o  changeset:   0:ea207398892e
+     user:        test
+     date:        Thu Jan 01 00:00:00 1970 +0000
+     summary:     ROOT
+  
+  $ hg prune -r 'desc(B0)'
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  working directory now at 471f378eab4c
+  1 changesets pruned
+  $ hg log --hidden -G
+  x  changeset:   2:0dec01379d3b
+  |  tag:         tip
+  |  user:        test
+  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  obsolete:    pruned using prune
+  |  summary:     B0
+  |
+  @  changeset:   1:471f378eab4c
+  |  user:        test
+  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  summary:     A0
+  |
+  o  changeset:   0:ea207398892e
+     user:        test
+     date:        Thu Jan 01 00:00:00 1970 +0000
+     summary:     ROOT
+  
+
+Actual test
+-----------
+
+  $ hg obslog 'desc(B0)' --hidden --patch
+  x  0dec01379d3b (2) B0
+       pruned using prune by test (Thu Jan 01 00:00:00 1970 +0000)
+         (No patch available, no successors)
+  
+  $ hg obslog 'desc(B0)' --hidden --no-graph -Tjson | python -m json.tool
+  [
+      {
+          "markers": [
+              {
+                  "date": [
+                      *, (glob)
+                      0 (glob)
+                  ],
+                  "operation": "prune",
+                  "user": "test",
+                  "verb": "pruned"
+              }
+          ],
+          "node": "0dec01379d3b",
+          "rev": 2,
+          "shortdescription": "B0"
+      }
+  ]
+  $ hg obslog 'desc(A0)' --patch
+  @  471f378eab4c (1) A0
+  
+  $ hg obslog 'desc(A0)' --no-graph -Tjson | python -m json.tool
+  [
+      {
+          "markers": [],
+          "node": "471f378eab4c",
+          "rev": 1,
+          "shortdescription": "A0"
+      }
+  ]
+  $ hg up 1
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg up 0dec01379d3b
+  abort: hidden revision '0dec01379d3b' is pruned!
+  (use --hidden to access hidden revisions)
+  [255]
+  $ hg up --hidden -r 'desc(B0)'
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  updated to hidden changeset 0dec01379d3b
+  (hidden revision '0dec01379d3b' is pruned)
+  working directory parent is obsolete! (0dec01379d3b)
+  (use 'hg evolve' to update to its parent successor)