--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-fold.t	Sun Jul 23 16:39:21 2017 +0200
@@ -0,0 +1,204 @@
+  $ . $TESTDIR/testlib/common.sh
+
+setup
+
+  $ cat >> $HGRCPATH <<EOF
+  > [defaults]
+  > fold=-d "0 0"
+  > [extensions]
+  > evolve=
+  > [ui]
+  > logtemplate = '{rev} - {node|short} {desc|firstline} [{author}] ({phase})\n'
+  > EOF
+
+  $ hg init fold-tests
+  $ cd fold-tests/
+  $ hg debugbuilddag .+3:branchpoint+4*branchpoint+2
+  $ hg up 'desc("r7")'
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg log -G
+  o  10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
+  |
+  o  9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
+  |
+  o  8 - abf57d94268b r8 [debugbuilddag] (draft)
+  |
+  | @  7 - 4de32a90b66c r7 [debugbuilddag] (draft)
+  | |
+  | o  6 - f69452c5b1af r6 [debugbuilddag] (draft)
+  | |
+  | o  5 - c8d03c1b5e94 r5 [debugbuilddag] (draft)
+  | |
+  | o  4 - bebd167eb94d r4 [debugbuilddag] (draft)
+  |/
+  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
+  |
+  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
+  |
+  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
+  |
+  o  0 - 1ea73414a91b r0 [debugbuilddag] (draft)
+  
+
+Test various error case
+
+  $ hg fold
+  abort: no revisions specified
+  [255]
+  $ hg fold --from
+  abort: no revisions specified
+  [255]
+  $ hg fold .
+  abort: must specify either --from or --exact
+  [255]
+  $ hg fold --from . --exact
+  abort: cannot use both --from and --exact
+  [255]
+  $ hg fold --from .
+  single revision specified, nothing to fold
+  [1]
+  $ hg fold '0::(7+10)' --exact
+  abort: cannot fold non-linear revisions (multiple heads given)
+  [255]
+  $ hg fold -r 4 -r 6 --exact
+  abort: cannot fold non-linear revisions (multiple roots given)
+  [255]
+  $ hg fold --from 10 1
+  abort: cannot fold non-linear revisions
+  (given revisions are unrelated to parent of working directory)
+  [255]
+  $ hg fold --exact -r "4 and not 4"
+  abort: specified revisions evaluate to an empty set
+  (use different revision arguments)
+  [255]
+  $ hg phase --public 0
+  $ hg fold --from -r 0
+  abort: cannot fold public revisions
+  [255]
+
+Test actual folding
+
+  $ hg fold --from -r 'desc("r5")'
+  3 changesets folded
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+(test inherited from test-evolve.t)
+
+  $ hg fold --from 6 # want to run hg fold 6
+  abort: hidden revision '6'!
+  (use --hidden to access hidden revisions; successor: 198b5c405d01)
+  [255]
+
+  $ hg log -G
+  @  11 - 198b5c405d01 r5 [debugbuilddag] (draft)
+  |
+  | o  10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
+  | |
+  | o  9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
+  | |
+  | o  8 - abf57d94268b r8 [debugbuilddag] (draft)
+  | |
+  o |  4 - bebd167eb94d r4 [debugbuilddag] (draft)
+  |/
+  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
+  |
+  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
+  |
+  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
+  |
+  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
+  
+
+test fold --exact
+
+  $ hg fold --exact 'desc("r8") + desc("r10")'
+  abort: cannot fold non-linear revisions (multiple roots given)
+  [255]
+  $ hg fold --exact 'desc("r8")::desc("r10")'
+  3 changesets folded
+  $ hg log -G
+  o  12 - b568edbee6e0 r8 [debugbuilddag] (draft)
+  |
+  | @  11 - 198b5c405d01 r5 [debugbuilddag] (draft)
+  | |
+  | o  4 - bebd167eb94d r4 [debugbuilddag] (draft)
+  |/
+  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
+  |
+  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
+  |
+  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
+  |
+  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
+  
+
+Test allow unstable
+
+  $ echo a > a
+  $ hg add a
+  $ hg commit '-m r11'
+  $ hg up '.^'
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hg log -G
+  o  13 - 14d0e0da8e91 r11 [test] (draft)
+  |
+  | o  12 - b568edbee6e0 r8 [debugbuilddag] (draft)
+  | |
+  @ |  11 - 198b5c405d01 r5 [debugbuilddag] (draft)
+  | |
+  o |  4 - bebd167eb94d r4 [debugbuilddag] (draft)
+  |/
+  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
+  |
+  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
+  |
+  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
+  |
+  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
+  
+
+  $ cat << EOF >> .hg/hgrc
+  > [experimental]
+  > evolution = createmarkers, allnewcommands
+  > EOF
+  $ hg fold --from 'desc("r4")'
+  abort: cannot fold chain not ending with a head or with branching
+  (new unstable changesets are not allowed)
+  [255]
+  $ hg fold --from 'desc("r3")::desc("r11")'
+  abort: cannot fold chain not ending with a head or with branching
+  (new unstable changesets are not allowed)
+  [255]
+
+test --user variant
+
+  $ cat << EOF >> .hg/hgrc
+  > [experimental]
+  > evolution = createmarkers, allnewcommands
+  > EOF
+  $ cat << EOF >> .hg/hgrc
+  > [experimental]
+  > evolution = all
+  > EOF
+
+  $ hg fold --exact 'desc("r5") + desc("r11")' --user 'Victor Rataxes <victor@rhino.savannah>'
+  2 changesets folded
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg log -G
+  @  14 - 29b470a33594 r5 [Victor Rataxes <victor@rhino.savannah>] (draft)
+  |
+  | o  12 - b568edbee6e0 r8 [debugbuilddag] (draft)
+  | |
+  o |  4 - bebd167eb94d r4 [debugbuilddag] (draft)
+  |/
+  o  3 - 2dc09a01254d r3 [debugbuilddag] (draft)
+  |
+  o  2 - 01241442b3c2 r2 [debugbuilddag] (draft)
+  |
+  o  1 - 66f7d451a68b r1 [debugbuilddag] (draft)
+  |
+  o  0 - 1ea73414a91b r0 [debugbuilddag] (public)
+  
+
+  $ cd ..
+