annotate tests/test-stablerange.t @ 2083:778afb036245

discovery: introduce a official 'obshash associated to a range

The hash in a combination of the hash a its subrange. If the range is a leaf,
we have the obsmarker relevant to the node in that leaf range.

Test for stable ordering capabilities
=====================================

  $ . $TESTDIR/testlib/pythonpath.sh

  $ cat << EOF >> $HGRCPATH
  > [extensions]
  > hgext3rd.evolve =
  > [ui]
  > logtemplate = "{rev} {node|short} {desc} {tags}\n"
  > EOF

Simple linear test
==================

  $ hg init repo_linear
  $ cd repo_linear
  $ hg debugbuilddag '.+6'
  $ hg debugstablerange --rev 1
  rev         node index size depth      obshash
    1 66f7d451a68b     0    2     2 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    1 66f7d451a68b     1    1     2 000000000000
  $ hg debugstablerange --rev 1 > 1.range

bigger subset reuse most of the previous one

  $ hg debugstablerange --rev 4
  rev         node index size depth      obshash
    4 bebd167eb94d     0    5     5 000000000000
    3 2dc09a01254d     0    4     4 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    1 66f7d451a68b     1    1     2 000000000000
    4 bebd167eb94d     4    1     5 000000000000
  $ hg debugstablerange --rev 4 > 4.range
  $ diff -u 1.range 4.range
  --- 1.range	* (glob)
  +++ 4.range	* (glob)
  @@ -1,4 +1,10 @@
   rev         node index size depth      obshash
  +  4 bebd167eb94d     0    5     5 000000000000
  +  3 2dc09a01254d     0    4     4 000000000000
  +  3 2dc09a01254d     2    2     4 000000000000
     1 66f7d451a68b     0    2     2 000000000000
  +  2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
  +  3 2dc09a01254d     3    1     4 000000000000
     1 66f7d451a68b     1    1     2 000000000000
  +  4 bebd167eb94d     4    1     5 000000000000
  [1]

Using a range not ending on 2**N boundary
we fall back on 2**N as much as possible

  $ hg debugstablerange --rev 5
  rev         node index size depth      obshash
    5 c8d03c1b5e94     0    6     6 000000000000
    3 2dc09a01254d     0    4     4 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    5 c8d03c1b5e94     4    2     6 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    1 66f7d451a68b     1    1     2 000000000000
    4 bebd167eb94d     4    1     5 000000000000
    5 c8d03c1b5e94     5    1     6 000000000000
  $ hg debugstablerange --rev 5 > 5.range
  $ diff -u 4.range 5.range
  --- 4.range	* (glob)
  +++ 5.range	* (glob)
  @@ -1,10 +1,12 @@
   rev         node index size depth      obshash
  -  4 bebd167eb94d     0    5     5 000000000000
  +  5 c8d03c1b5e94     0    6     6 000000000000
     3 2dc09a01254d     0    4     4 000000000000
     3 2dc09a01254d     2    2     4 000000000000
     1 66f7d451a68b     0    2     2 000000000000
  +  5 c8d03c1b5e94     4    2     6 000000000000
     2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
     3 2dc09a01254d     3    1     4 000000000000
     1 66f7d451a68b     1    1     2 000000000000
     4 bebd167eb94d     4    1     5 000000000000
  +  5 c8d03c1b5e94     5    1     6 000000000000
  [1]

Even two unperfect range overlap a lot

  $ hg debugstablerange --rev tip
  rev         node index size depth      obshash
    6 f69452c5b1af     0    7     7 000000000000
    3 2dc09a01254d     0    4     4 000000000000
    6 f69452c5b1af     4    3     7 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    5 c8d03c1b5e94     4    2     6 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    1 66f7d451a68b     1    1     2 000000000000
    4 bebd167eb94d     4    1     5 000000000000
    5 c8d03c1b5e94     5    1     6 000000000000
    6 f69452c5b1af     6    1     7 000000000000
  $ hg debugstablerange --rev tip > tip.range
  $ diff -u 5.range tip.range
  --- 5.range	* (glob)
  +++ tip.range	* (glob)
  @@ -1,6 +1,7 @@
   rev         node index size depth      obshash
  -  5 c8d03c1b5e94     0    6     6 000000000000
  +  6 f69452c5b1af     0    7     7 000000000000
     3 2dc09a01254d     0    4     4 000000000000
  +  6 f69452c5b1af     4    3     7 000000000000
     3 2dc09a01254d     2    2     4 000000000000
     1 66f7d451a68b     0    2     2 000000000000
     5 c8d03c1b5e94     4    2     6 000000000000
  @@ -10,3 +11,4 @@
     1 66f7d451a68b     1    1     2 000000000000
     4 bebd167eb94d     4    1     5 000000000000
     5 c8d03c1b5e94     5    1     6 000000000000
  +  6 f69452c5b1af     6    1     7 000000000000
  [1]

  $ cd ..

Case with merge
===============

Simple case: branching is on a boundary
--------------------------------------------

  $ hg init repo_merge_split_on_boundary
  $ cd repo_merge_split_on_boundary
  $ hg debugbuilddag '.:base
  > +3:left
  > <base+3:right
  > <left/right:merge
  > +2:head
  > '
  $ hg log -G
  o  9 0338daf18215 r9 head tip
  |
  o  8 71b32fcf3f71 r8
  |
  o    7 5f18015f9110 r7 merge
  |\
  | o  6 a2f58e9c1e56 r6 right
  | |
  | o  5 3a367db1fabc r5
  | |
  | o  4 e7bd5218ca15 r4
  | |
  o |  3 2dc09a01254d r3 left
  | |
  o |  2 01241442b3c2 r2
  | |
  o |  1 66f7d451a68b r1
  |/
  o  0 1ea73414a91b r0 base
  

Each of the linear branch reuse range internally

(left branch)

  $ hg debugstablerange --rev 'left~2'
  rev         node index size depth      obshash
    1 66f7d451a68b     0    2     2 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    1 66f7d451a68b     1    1     2 000000000000
  $ hg debugstablerange --rev 'left~2' > left-2.range
  $ hg debugstablerange --rev left
  rev         node index size depth      obshash
    3 2dc09a01254d     0    4     4 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    1 66f7d451a68b     1    1     2 000000000000
  $ hg debugstablerange --rev 'left' > left.range
  $ diff -u left-2.range left.range
  --- left-2.range	* (glob)
  +++ left.range	* (glob)
  @@ -1,4 +1,8 @@
   rev         node index size depth      obshash
  +  3 2dc09a01254d     0    4     4 000000000000
  +  3 2dc09a01254d     2    2     4 000000000000
     1 66f7d451a68b     0    2     2 000000000000
  +  2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
  +  3 2dc09a01254d     3    1     4 000000000000
     1 66f7d451a68b     1    1     2 000000000000
  [1]

(right branch)

  $ hg debugstablerange --rev right~2
  rev         node index size depth      obshash
    4 e7bd5218ca15     0    2     2 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    4 e7bd5218ca15     1    1     2 000000000000
  $ hg debugstablerange --rev 'right~2' > right-2.range
  $ hg debugstablerange --rev right
  rev         node index size depth      obshash
    6 a2f58e9c1e56     0    4     4 000000000000
    6 a2f58e9c1e56     2    2     4 000000000000
    4 e7bd5218ca15     0    2     2 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    5 3a367db1fabc     2    1     3 000000000000
    6 a2f58e9c1e56     3    1     4 000000000000
    4 e7bd5218ca15     1    1     2 000000000000
  $ hg debugstablerange --rev 'right' > right.range
  $ diff -u right-2.range right.range
  --- right-2.range	* (glob)
  +++ right.range	* (glob)
  @@ -1,4 +1,8 @@
   rev         node index size depth      obshash
  +  6 a2f58e9c1e56     0    4     4 000000000000
  +  6 a2f58e9c1e56     2    2     4 000000000000
     4 e7bd5218ca15     0    2     2 000000000000
     0 1ea73414a91b     0    1     1 000000000000
  +  5 3a367db1fabc     2    1     3 000000000000
  +  6 a2f58e9c1e56     3    1     4 000000000000
     4 e7bd5218ca15     1    1     2 000000000000
  [1]

The merge reuse as much of the slicing created for one of the branch

  $ hg debugstablerange --rev merge
  rev         node index size depth      obshash
    7 5f18015f9110     0    8     8 000000000000
    3 2dc09a01254d     0    4     4 000000000000
    7 5f18015f9110     4    4     8 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    5 3a367db1fabc     1    2     3 000000000000
    7 5f18015f9110     6    2     8 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    5 3a367db1fabc     2    1     3 000000000000
    7 5f18015f9110     7    1     8 000000000000
    1 66f7d451a68b     1    1     2 000000000000
    6 a2f58e9c1e56     3    1     4 000000000000
    4 e7bd5218ca15     1    1     2 000000000000
  $ hg debugstablerange --rev 'merge' > merge.range
  $ diff -u left.range merge.range
  --- left.range	* (glob)
  +++ merge.range	* (glob)
  @@ -1,8 +1,16 @@
   rev         node index size depth      obshash
  +  7 5f18015f9110     0    8     8 000000000000
     3 2dc09a01254d     0    4     4 000000000000
  +  7 5f18015f9110     4    4     8 000000000000
     3 2dc09a01254d     2    2     4 000000000000
  +  5 3a367db1fabc     1    2     3 000000000000
  +  7 5f18015f9110     6    2     8 000000000000
     1 66f7d451a68b     0    2     2 000000000000
     2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
     3 2dc09a01254d     3    1     4 000000000000
  +  5 3a367db1fabc     2    1     3 000000000000
  +  7 5f18015f9110     7    1     8 000000000000
     1 66f7d451a68b     1    1     2 000000000000
  +  6 a2f58e9c1e56     3    1     4 000000000000
  +  4 e7bd5218ca15     1    1     2 000000000000
  [1]
  $ diff -u right.range merge.range
  --- right.range	* (glob)
  +++ merge.range	* (glob)
  @@ -1,8 +1,16 @@
   rev         node index size depth      obshash
  -  6 a2f58e9c1e56     0    4     4 000000000000
  -  6 a2f58e9c1e56     2    2     4 000000000000
  -  4 e7bd5218ca15     0    2     2 000000000000
  +  7 5f18015f9110     0    8     8 000000000000
  +  3 2dc09a01254d     0    4     4 000000000000
  +  7 5f18015f9110     4    4     8 000000000000
  +  3 2dc09a01254d     2    2     4 000000000000
  +  5 3a367db1fabc     1    2     3 000000000000
  +  7 5f18015f9110     6    2     8 000000000000
  +  1 66f7d451a68b     0    2     2 000000000000
  +  2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
  +  3 2dc09a01254d     3    1     4 000000000000
     5 3a367db1fabc     2    1     3 000000000000
  +  7 5f18015f9110     7    1     8 000000000000
  +  1 66f7d451a68b     1    1     2 000000000000
     6 a2f58e9c1e56     3    1     4 000000000000
     4 e7bd5218ca15     1    1     2 000000000000
  [1]
  $ cd ..

slice create multiple heads
---------------------------

  $ hg init repo_merge_split_heads
  $ cd repo_merge_split_heads
  $ hg debugbuilddag '.:base
  > +4:left
  > <base+5:right
  > <left/right:merge
  > +2:head
  > '
  $ hg debugbuilddag '.:base
  > +3:left
  > <base+3:right
  > <left/right:merge
  > +2:head
  > '
  abort: repository is not empty
  [255]
  $ hg log -G
  o  12 e6b8d5b46647 r12 head tip
  |
  o  11 485383494a89 r11
  |
  o    10 8aca7f8c9bd2 r10 merge
  |\
  | o  9 f4b7da68b467 r9 right
  | |
  | o  8 857477a9aebb r8
  | |
  | o  7 42b07e8da27d r7
  | |
  | o  6 b9bc20507e0b r6
  | |
  | o  5 de561312eff4 r5
  | |
  o |  4 bebd167eb94d r4 left
  | |
  o |  3 2dc09a01254d r3
  | |
  o |  2 01241442b3c2 r2
  | |
  o |  1 66f7d451a68b r1
  |/
  o  0 1ea73414a91b r0 base
  

Each of the linear branch reuse range internally

(left branch)

  $ hg debugstablerange --rev 'left~2'
  rev         node index size depth      obshash
    2 01241442b3c2     0    3     3 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    1 66f7d451a68b     1    1     2 000000000000
  $ hg debugstablerange --rev 'left~2' > left-2.range
  $ hg debugstablerange --rev left
  rev         node index size depth      obshash
    4 bebd167eb94d     0    5     5 000000000000
    3 2dc09a01254d     0    4     4 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    1 66f7d451a68b     1    1     2 000000000000
    4 bebd167eb94d     4    1     5 000000000000
  $ hg debugstablerange --rev 'left' > left.range
  $ diff -u left-2.range left.range
  --- left-2.range	* (glob)
  +++ left.range	* (glob)
  @@ -1,6 +1,10 @@
   rev         node index size depth      obshash
  -  2 01241442b3c2     0    3     3 000000000000
  +  4 bebd167eb94d     0    5     5 000000000000
  +  3 2dc09a01254d     0    4     4 000000000000
  +  3 2dc09a01254d     2    2     4 000000000000
     1 66f7d451a68b     0    2     2 000000000000
     2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
  +  3 2dc09a01254d     3    1     4 000000000000
     1 66f7d451a68b     1    1     2 000000000000
  +  4 bebd167eb94d     4    1     5 000000000000
  [1]

(right branch)

  $ hg debugstablerange --rev right~2
  rev         node index size depth      obshash
    7 42b07e8da27d     0    4     4 000000000000
    7 42b07e8da27d     2    2     4 000000000000
    5 de561312eff4     0    2     2 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    7 42b07e8da27d     3    1     4 000000000000
    6 b9bc20507e0b     2    1     3 000000000000
    5 de561312eff4     1    1     2 000000000000
  $ hg debugstablerange --rev 'right~2' > right-2.range
  $ hg debugstablerange --rev right
  rev         node index size depth      obshash
    9 f4b7da68b467     0    6     6 000000000000
    7 42b07e8da27d     0    4     4 000000000000
    7 42b07e8da27d     2    2     4 000000000000
    5 de561312eff4     0    2     2 000000000000
    9 f4b7da68b467     4    2     6 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    7 42b07e8da27d     3    1     4 000000000000
    8 857477a9aebb     4    1     5 000000000000
    6 b9bc20507e0b     2    1     3 000000000000
    5 de561312eff4     1    1     2 000000000000
    9 f4b7da68b467     5    1     6 000000000000
  $ hg debugstablerange --rev 'right' > right.range
  $ diff -u right-2.range right.range
  --- right-2.range	* (glob)
  +++ right.range	* (glob)
  @@ -1,8 +1,12 @@
   rev         node index size depth      obshash
  +  9 f4b7da68b467     0    6     6 000000000000
     7 42b07e8da27d     0    4     4 000000000000
     7 42b07e8da27d     2    2     4 000000000000
     5 de561312eff4     0    2     2 000000000000
  +  9 f4b7da68b467     4    2     6 000000000000
     0 1ea73414a91b     0    1     1 000000000000
     7 42b07e8da27d     3    1     4 000000000000
  +  8 857477a9aebb     4    1     5 000000000000
     6 b9bc20507e0b     2    1     3 000000000000
     5 de561312eff4     1    1     2 000000000000
  +  9 f4b7da68b467     5    1     6 000000000000
  [1]

In this case, the bottom of the split will have multiple heads,

So we'll create more than 1 subrange out of it.

We are still able to reuse one of the branch however

  $ hg debugstablerange --rev merge
  rev         node index size depth      obshash
   10 8aca7f8c9bd2     0   11    11 000000000000
    4 bebd167eb94d     0    5     5 000000000000
    3 2dc09a01254d     0    4     4 000000000000
    7 42b07e8da27d     0    4     4 000000000000
   10 8aca7f8c9bd2     8    3    11 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    7 42b07e8da27d     2    2     4 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    5 de561312eff4     0    2     2 000000000000
    9 f4b7da68b467     4    2     6 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    7 42b07e8da27d     3    1     4 000000000000
    1 66f7d451a68b     1    1     2 000000000000
    8 857477a9aebb     4    1     5 000000000000
   10 8aca7f8c9bd2    10    1    11 000000000000
    6 b9bc20507e0b     2    1     3 000000000000
    4 bebd167eb94d     4    1     5 000000000000
    5 de561312eff4     1    1     2 000000000000
    9 f4b7da68b467     5    1     6 000000000000
  $ hg debugstablerange --rev 'merge' > merge.range
  $ diff -u left.range merge.range
  --- left.range	* (glob)
  +++ merge.range	* (glob)
  @@ -1,10 +1,22 @@
   rev         node index size depth      obshash
  + 10 8aca7f8c9bd2     0   11    11 000000000000
     4 bebd167eb94d     0    5     5 000000000000
     3 2dc09a01254d     0    4     4 000000000000
  +  7 42b07e8da27d     0    4     4 000000000000
  + 10 8aca7f8c9bd2     8    3    11 000000000000
     3 2dc09a01254d     2    2     4 000000000000
  +  7 42b07e8da27d     2    2     4 000000000000
     1 66f7d451a68b     0    2     2 000000000000
  +  5 de561312eff4     0    2     2 000000000000
  +  9 f4b7da68b467     4    2     6 000000000000
     2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
     3 2dc09a01254d     3    1     4 000000000000
  +  7 42b07e8da27d     3    1     4 000000000000
     1 66f7d451a68b     1    1     2 000000000000
  +  8 857477a9aebb     4    1     5 000000000000
  + 10 8aca7f8c9bd2    10    1    11 000000000000
  +  6 b9bc20507e0b     2    1     3 000000000000
     4 bebd167eb94d     4    1     5 000000000000
  +  5 de561312eff4     1    1     2 000000000000
  +  9 f4b7da68b467     5    1     6 000000000000
  [1]
  $ diff -u right.range merge.range
  --- right.range	* (glob)
  +++ merge.range	* (glob)
  @@ -1,12 +1,22 @@
   rev         node index size depth      obshash
  -  9 f4b7da68b467     0    6     6 000000000000
  + 10 8aca7f8c9bd2     0   11    11 000000000000
  +  4 bebd167eb94d     0    5     5 000000000000
  +  3 2dc09a01254d     0    4     4 000000000000
     7 42b07e8da27d     0    4     4 000000000000
  + 10 8aca7f8c9bd2     8    3    11 000000000000
  +  3 2dc09a01254d     2    2     4 000000000000
     7 42b07e8da27d     2    2     4 000000000000
  +  1 66f7d451a68b     0    2     2 000000000000
     5 de561312eff4     0    2     2 000000000000
     9 f4b7da68b467     4    2     6 000000000000
  +  2 01241442b3c2     2    1     3 000000000000
     0 1ea73414a91b     0    1     1 000000000000
  +  3 2dc09a01254d     3    1     4 000000000000
     7 42b07e8da27d     3    1     4 000000000000
  +  1 66f7d451a68b     1    1     2 000000000000
     8 857477a9aebb     4    1     5 000000000000
  + 10 8aca7f8c9bd2    10    1    11 000000000000
     6 b9bc20507e0b     2    1     3 000000000000
  +  4 bebd167eb94d     4    1     5 000000000000
     5 de561312eff4     1    1     2 000000000000
     9 f4b7da68b467     5    1     6 000000000000
  [1]

Range above the merge, reuse subrange from the merge

  $ hg debugstablerange --rev tip
  rev         node index size depth      obshash
   12 e6b8d5b46647     0   13    13 000000000000
    4 bebd167eb94d     0    5     5 000000000000
   12 e6b8d5b46647     8    5    13 000000000000
    3 2dc09a01254d     0    4     4 000000000000
    7 42b07e8da27d     0    4     4 000000000000
   11 485383494a89     8    4    12 000000000000
    3 2dc09a01254d     2    2     4 000000000000
    7 42b07e8da27d     2    2     4 000000000000
   11 485383494a89    10    2    12 000000000000
    1 66f7d451a68b     0    2     2 000000000000
    5 de561312eff4     0    2     2 000000000000
    9 f4b7da68b467     4    2     6 000000000000
    2 01241442b3c2     2    1     3 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    3 2dc09a01254d     3    1     4 000000000000
    7 42b07e8da27d     3    1     4 000000000000
   11 485383494a89    11    1    12 000000000000
    1 66f7d451a68b     1    1     2 000000000000
    8 857477a9aebb     4    1     5 000000000000
   10 8aca7f8c9bd2    10    1    11 000000000000
    6 b9bc20507e0b     2    1     3 000000000000
    4 bebd167eb94d     4    1     5 000000000000
    5 de561312eff4     1    1     2 000000000000
   12 e6b8d5b46647    12    1    13 000000000000
    9 f4b7da68b467     5    1     6 000000000000
  $ hg debugstablerange --rev 'tip' > tip.range
  $ diff -u merge.range tip.range
  --- merge.range	* (glob)
  +++ tip.range	* (glob)
  @@ -1,11 +1,13 @@
   rev         node index size depth      obshash
  - 10 8aca7f8c9bd2     0   11    11 000000000000
  + 12 e6b8d5b46647     0   13    13 000000000000
     4 bebd167eb94d     0    5     5 000000000000
  + 12 e6b8d5b46647     8    5    13 000000000000
     3 2dc09a01254d     0    4     4 000000000000
     7 42b07e8da27d     0    4     4 000000000000
  - 10 8aca7f8c9bd2     8    3    11 000000000000
  + 11 485383494a89     8    4    12 000000000000
     3 2dc09a01254d     2    2     4 000000000000
     7 42b07e8da27d     2    2     4 000000000000
  + 11 485383494a89    10    2    12 000000000000
     1 66f7d451a68b     0    2     2 000000000000
     5 de561312eff4     0    2     2 000000000000
     9 f4b7da68b467     4    2     6 000000000000
  @@ -13,10 +15,12 @@
     0 1ea73414a91b     0    1     1 000000000000
     3 2dc09a01254d     3    1     4 000000000000
     7 42b07e8da27d     3    1     4 000000000000
  + 11 485383494a89    11    1    12 000000000000
     1 66f7d451a68b     1    1     2 000000000000
     8 857477a9aebb     4    1     5 000000000000
    10 8aca7f8c9bd2    10    1    11 000000000000
     6 b9bc20507e0b     2    1     3 000000000000
     4 bebd167eb94d     4    1     5 000000000000
     5 de561312eff4     1    1     2 000000000000
  + 12 e6b8d5b46647    12    1    13 000000000000
     9 f4b7da68b467     5    1     6 000000000000
  [1]

  $ cd ..

Tests range with criss cross merge in the graph
===============================================

  $ hg init repo_criss_cross
  $ cd repo_criss_cross
  $ hg debugbuilddag '
  > ..:g   # 2 nodes, tagged "g"
  > <2.:h   # another node base one -2 -> 0, tagged "h"
  > *1/2:m # merge -1 and -2 (1, 2), tagged "m"
  > <2+2:i # 2 nodes based on -2, tag head as "i"
  > .:c    # 1 node tagged "c"
  > <m+3:a # 3 nodes base on the "m" tag
  > <2.:b  # 1 node based on -2; tagged "b"
  > <m+2:d # 2 nodes from "m" tagged "d"
  > <2.:e  # 1 node based on -2, tagged "e"
  > <m+1:f # 1 node based on "m" tagged "f"
  > <i/f   # merge "i" and "f"
  > '
  $ hg log -G
  o    15 1d8d22637c2d r15 tip
  |\
  | o  14 43227190fef8 r14 f
  | |
  | | o  13 b4594d867745 r13 e
  | | |
  | | | o  12 e46a4836065c r12 d
  | | |/
  | | o  11 bab5d5bf48bd r11
  | |/
  | | o  10 ff43616e5d0f r10 b
  | | |
  | | | o  9 dcbb326fdec2 r9 a
  | | |/
  | | o  8 d62d843c9a01 r8
  | | |
  | | o  7 e7d9710d9fc6 r7
  | |/
  +---o  6 2702dd0c91e7 r6 c
  | |
  o |  5 f0f3ef9a6cd5 r5 i
  | |
  o |  4 4c748ffd1a46 r4
  | |
  | o  3 2b6d669947cd r3 m
  |/|
  o |  2 fa942426a6fd r2 h
  | |
  | o  1 66f7d451a68b r1 g
  |/
  o  0 1ea73414a91b r0
  
  $ hg debugstablerange --rev 'head()'
  rev         node index size depth      obshash
   15 1d8d22637c2d     0    8     8 000000000000
    9 dcbb326fdec2     0    7     7 000000000000
   10 ff43616e5d0f     0    7     7 000000000000
   13 b4594d867745     0    6     6 000000000000
   12 e46a4836065c     0    6     6 000000000000
    6 2702dd0c91e7     0    5     5 000000000000
   15 1d8d22637c2d     4    4     8 000000000000
    3 2b6d669947cd     0    4     4 000000000000
    5 f0f3ef9a6cd5     0    4     4 000000000000
    9 dcbb326fdec2     4    3     7 000000000000
   10 ff43616e5d0f     4    3     7 000000000000
   15 1d8d22637c2d     6    2     8 000000000000
    3 2b6d669947cd     2    2     4 000000000000
    1 66f7d451a68b     0    2     2 000000000000
   13 b4594d867745     4    2     6 000000000000
    8 d62d843c9a01     4    2     6 000000000000
   12 e46a4836065c     4    2     6 000000000000
    5 f0f3ef9a6cd5     2    2     4 000000000000
    2 fa942426a6fd     0    2     2 000000000000
   15 1d8d22637c2d     7    1     8 000000000000
    0 1ea73414a91b     0    1     1 000000000000
    6 2702dd0c91e7     4    1     5 000000000000
    3 2b6d669947cd     3    1     4 000000000000
   14 43227190fef8     4    1     5 000000000000
    4 4c748ffd1a46     2    1     3 000000000000
    1 66f7d451a68b     1    1     2 000000000000
   13 b4594d867745     5    1     6 000000000000
   11 bab5d5bf48bd     4    1     5 000000000000
    8 d62d843c9a01     5    1     6 000000000000
    9 dcbb326fdec2     6    1     7 000000000000
   12 e46a4836065c     5    1     6 000000000000
    7 e7d9710d9fc6     4    1     5 000000000000
    5 f0f3ef9a6cd5     3    1     4 000000000000
    2 fa942426a6fd     1    1     2 000000000000
   10 ff43616e5d0f     6    1     7 000000000000
  $ cd ..