Mercurial > hg
annotate tests/test-diff-antipatience.t @ 39594:bdb41eaa8b59
snapshot: fix line order when skipping over empty deltas
The code movement in 37957e07138c introduced an error.
Since 8f83a953dddf, we discarded some revisions because they are identical to
their delta base (and use that delta base instead). That logic is good,
however, in 37957e07138c we mixed up the order of two line, adding the "new"
revision to the set of already tested one, instead of the discarded one. So in
practice, we were never investigating any revisions in a chain starting with
an empty delta. Creating significantly worst delta chain (eg: Mercurial's
manifest move goes from about 60MB up to about 80MB).
author | Boris Feld <boris.feld@octobus.net> |
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date | Mon, 10 Sep 2018 10:11:21 +0200 |
parents | 9ef9884e5d50 |
children |
rev | line source |
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36678 | 1 #testcases bdiff xdiff |
2 | |
3 #if xdiff | |
4 #require xdiff | |
5 $ cat >> $HGRCPATH <<EOF | |
6 > [experimental] | |
7 > xdiff = true | |
8 > EOF | |
9 #endif | |
10 | |
11 Test case that makes use of the weakness of patience diff algorithm | |
12 | |
13 $ hg init | |
38469
9ef9884e5d50
py3: make tests/test-diff-antipatience.t work with python 3
Pulkit Goyal <7895pulkit@gmail.com>
parents:
36678
diff
changeset
|
14 >>> open('a', 'wb').write(('\n'.join(list('a' + 'x' * 10 + 'u' + 'x' * 30 + 'a\n'))).encode('ascii')) and None |
36678 | 15 $ hg commit -m 1 -A a |
38469
9ef9884e5d50
py3: make tests/test-diff-antipatience.t work with python 3
Pulkit Goyal <7895pulkit@gmail.com>
parents:
36678
diff
changeset
|
16 >>> open('a', 'wb').write(('\n'.join(list('b' + 'x' * 30 + 'u' + 'x' * 10 + 'b\n'))).encode('ascii')) and None |
36678 | 17 #if xdiff |
18 $ hg diff | |
19 diff -r f0aeecb49805 a | |
20 --- a/a Thu Jan 01 00:00:00 1970 +0000 | |
21 +++ b/a Thu Jan 01 00:00:00 1970 +0000 | |
22 @@ -1,4 +1,4 @@ | |
23 -a | |
24 +b | |
25 x | |
26 x | |
27 x | |
28 @@ -9,7 +9,6 @@ | |
29 x | |
30 x | |
31 x | |
32 -u | |
33 x | |
34 x | |
35 x | |
36 @@ -30,6 +29,7 @@ | |
37 x | |
38 x | |
39 x | |
40 +u | |
41 x | |
42 x | |
43 x | |
44 @@ -40,5 +40,5 @@ | |
45 x | |
46 x | |
47 x | |
48 -a | |
49 +b | |
50 | |
51 #else | |
52 $ hg diff | |
53 diff -r f0aeecb49805 a | |
54 --- a/a Thu Jan 01 00:00:00 1970 +0000 | |
55 +++ b/a Thu Jan 01 00:00:00 1970 +0000 | |
56 @@ -1,15 +1,4 @@ | |
57 -a | |
58 -x | |
59 -x | |
60 -x | |
61 -x | |
62 -x | |
63 -x | |
64 -x | |
65 -x | |
66 -x | |
67 -x | |
68 -u | |
69 +b | |
70 x | |
71 x | |
72 x | |
73 @@ -40,5 +29,16 @@ | |
74 x | |
75 x | |
76 x | |
77 -a | |
78 +u | |
79 +x | |
80 +x | |
81 +x | |
82 +x | |
83 +x | |
84 +x | |
85 +x | |
86 +x | |
87 +x | |
88 +x | |
89 +b | |
90 | |
91 #endif |