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annotate tests/test-debugrename.t @ 50400:95acba2c29f6

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encoding: avoid quadratic time complexity when json-encoding non-UTF8 strings Apparently the code uses "+=" with a bytes object, which is linear-time, so the whole encoding is quadratic-time. This patch makes us use a bytearray object, instead, which has a(n amortized-)constant-time append operation. The encoding is still not particularly fast, but at least a 10MB file takes tens of seconds, not many hours to encode.
author Arseniy Alekseyev <aalekseyev@janestreet.com>
date Mon, 06 Mar 2023 11:27:57 +0000
parents 55c6ebd11cb9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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49621
55c6ebd11cb9 tests: run many tests in $TESTTMP/repo instead of $TESTTMP
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 12285
diff changeset
1 $ hg init repo
55c6ebd11cb9 tests: run many tests in $TESTTMP/repo instead of $TESTTMP
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents: 12285
diff changeset
2 $ cd repo
12285
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
3 $ echo a > a
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
4 $ hg ci -Am t
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
5 adding a
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Patrick Mezard <pmezard@gmail.com>
parents:
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6
12285
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
7 $ hg mv a b
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
8 $ hg ci -Am t1
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
9 $ hg debugrename b
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
10 b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
4637
5a088ac232e6 Add test for debugrename
Patrick Mezard <pmezard@gmail.com>
parents:
diff changeset
11
12285
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
12 $ hg mv b a
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
13 $ hg ci -Am t2
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
14 $ hg debugrename a
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
15 a renamed from b:37d9b5d994eab34eda9c16b195ace52c7b129980
4637
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Patrick Mezard <pmezard@gmail.com>
parents:
diff changeset
16
12285
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
17 $ hg debugrename --rev 1 b
5d9bc49b0b1e tests: unify test-debugrename
Adrian Buehlmann <adrian@cadifra.com>
parents: 4637
diff changeset
18 b renamed from a:b789fdd96dc2f3bd229c1dd8eedf0fc60e2b68e3
4637
5a088ac232e6 Add test for debugrename
Patrick Mezard <pmezard@gmail.com>
parents:
diff changeset
19