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git/t/t0016-oidmap.sh
Jeff King e1e7a77141 t: sort output of hashmap iteration
The iteration order of a hashmap is undefined, and may depend on things
like the exact set of items added, or the table has been grown or
shrunk. In the case of an oidmap, it even depends on endianness, because
we take the oid hash by casting sha1 bytes directly into an unsigned
int.

Let's sort the test-tool output from any hash iterators. In the case of
t0011, this is just future-proofing. But for t0016, it actually fixes a
reported failure on the big-endian s390 and nonstop ports.

I didn't bother to teach the helper functions to optionally sort output.
They are short enough that it's simpler to just repeat them inline for
the iteration tests than it is to add a --sort option.

Reported-by: Randall S. Becker <rsbecker@nexbridge.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-07-31 10:00:34 -07:00

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#!/bin/sh
test_description='test oidmap'
. ./test-lib.sh
# This purposefully is very similar to t0011-hashmap.sh
test_oidmap () {
echo "$1" | test-tool oidmap $3 >actual &&
echo "$2" >expect &&
test_cmp expect actual
}
test_expect_success 'setup' '
test_commit one &&
test_commit two &&
test_commit three &&
test_commit four
'
test_expect_success 'put' '
test_oidmap "put one 1
put two 2
put invalidOid 4
put three 3" "NULL
NULL
Unknown oid: invalidOid
NULL"
'
test_expect_success 'replace' '
test_oidmap "put one 1
put two 2
put three 3
put invalidOid 4
put two deux
put one un" "NULL
NULL
NULL
Unknown oid: invalidOid
2
1"
'
test_expect_success 'get' '
test_oidmap "put one 1
put two 2
put three 3
get two
get four
get invalidOid
get one" "NULL
NULL
NULL
2
NULL
Unknown oid: invalidOid
1"
'
test_expect_success 'remove' '
test_oidmap "put one 1
put two 2
put three 3
remove one
remove two
remove invalidOid
remove four" "NULL
NULL
NULL
1
2
Unknown oid: invalidOid
NULL"
'
test_expect_success 'iterate' '
test-tool oidmap >actual.raw <<-\EOF &&
put one 1
put two 2
put three 3
iterate
EOF
# sort "expect" too so we do not rely on the order of particular oids
sort >expect <<-EOF &&
NULL
NULL
NULL
$(git rev-parse one) 1
$(git rev-parse two) 2
$(git rev-parse three) 3
EOF
sort <actual.raw >actual &&
test_cmp expect actual
'
test_done