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1 | #!/bin/sh | |
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2 | # | |
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3 | # revlog.parseindex must be able to parse the index file even if | |
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4 | # an index entry is split between two 64k blocks. The ideal test | |
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5 | # would be to create an index file with inline data where | |
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6 | # 64k < size < 64k + 64 (64k is the size of the read buffer, 64 is | |
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7 | # the size of an index entry) and with an index entry starting right | |
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8 | # before the 64k block boundary, and try to read it. | |
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9 | # | |
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10 | # We approximate that by reducing the read buffer to 1 byte. | |
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11 | # | |
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12 | ||
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13 | hg init a | |
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14 | cd a | |
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15 | echo abc > foo | |
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16 | hg add foo | |
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17 | hg commit -m 'add foo' | |
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18 | ||
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19 | echo >> foo | |
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20 | hg commit -m 'change foo' | |
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21 | hg log -r 0: | |
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22 | ||
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23 | cat >> test.py << EOF | |
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24 | from mercurial import changelog, util | |
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25 | from mercurial.node import * | |
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1 | revlog.parseindex must be able to parse the index file even if | |
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2 | an index entry is split between two 64k blocks. The ideal test | |
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3 | would be to create an index file with inline data where | |
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4 | 64k < size < 64k + 64 (64k is the size of the read buffer, 64 is | |
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5 | the size of an index entry) and with an index entry starting right | |
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6 | before the 64k block boundary, and try to read it. | |
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7 | We approximate that by reducing the read buffer to 1 byte. | |
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26 | 8 | |
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27 | class singlebyteread(object): | |
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28 | def __init__(self, real): | |
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29 | self.real = real | |
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30 | ||
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31 | def read(self, size=-1): | |
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32 | if size == 65536: | |
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33 | size = 1 | |
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34 | return self.real.read(size) | |
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35 | ||
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36 | def __getattr__(self, key): | |
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37 | return getattr(self.real, key) | |
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38 | ||
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39 | def opener(*args): | |
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40 | o = util.opener(*args) | |
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41 | def wrapper(*a): | |
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42 | f = o(*a) | |
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43 | return singlebyteread(f) | |
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44 | return wrapper | |
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45 | ||
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46 | cl = changelog.changelog(opener('.hg/store')) | |
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47 | print len(cl), 'revisions:' | |
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48 | for r in cl: | |
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49 | print short(cl.node(r)) | |
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50 | EOF | |
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51 | ||
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52 | python test.py | |
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9 | $ hg init a | |
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10 | $ cd a | |
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11 | $ echo abc > foo | |
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12 | $ hg add foo | |
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13 | $ hg commit -m 'add foo' | |
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14 | $ echo >> foo | |
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15 | $ hg commit -m 'change foo' | |
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16 | $ hg log -r 0: | |
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17 | changeset: 0:7c31755bf9b5 | |
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18 | user: test | |
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19 | date: Thu Jan 01 00:00:00 1970 +0000 | |
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20 | summary: add foo | |
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21 | ||
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22 | changeset: 1:26333235a41c | |
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23 | tag: tip | |
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24 | user: test | |
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25 | date: Thu Jan 01 00:00:00 1970 +0000 | |
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26 | summary: change foo | |
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27 | ||
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28 | $ cat >> test.py << EOF | |
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29 | > from mercurial import changelog, util | |
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30 | > from mercurial.node import * | |
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31 | > | |
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32 | > class singlebyteread(object): | |
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33 | > def __init__(self, real): | |
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34 | > self.real = real | |
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35 | > | |
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36 | > def read(self, size=-1): | |
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37 | > if size == 65536: | |
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38 | > size = 1 | |
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39 | > return self.real.read(size) | |
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40 | > | |
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41 | > def __getattr__(self, key): | |
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42 | > return getattr(self.real, key) | |
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43 | > | |
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44 | > def opener(*args): | |
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45 | > o = util.opener(*args) | |
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46 | > def wrapper(*a): | |
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47 | > f = o(*a) | |
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48 | > return singlebyteread(f) | |
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49 | > return wrapper | |
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50 | > | |
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51 | > cl = changelog.changelog(opener('.hg/store')) | |
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52 | > print len(cl), 'revisions:' | |
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53 | > for r in cl: | |
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54 | > print short(cl.node(r)) | |
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55 | > EOF | |
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56 | $ python test.py | |
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57 | 2 revisions: | |
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58 | 7c31755bf9b5 | |
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59 | 26333235a41c | |
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1 | NO CONTENT: file was removed |
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