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edd942ca27
* src/diff3.c (struct diff_block)[lint]: Add member, n2. (free_diff_block, next_to_n2): New functions. * tests/diff3: Add more test coverage.
97 lines
1.2 KiB
Bash
97 lines
1.2 KiB
Bash
#!/bin/sh
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# This would malfunction in diff-3.4
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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echo a > a || framework_failure_
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echo b > b || framework_failure_
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echo c > c || framework_failure_
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cat <<'EOF' > exp || framework_failure_
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====
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1:1c
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a
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2:1c
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b
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3:1c
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c
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EOF
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fail=0
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diff3 a b c > out 2> err || fail=1
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compare exp out || fail=1
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compare /dev/null err || fail=1
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# Repeat, but with all three files the same:
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diff3 a a a > out 2> err || fail=1
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compare /dev/null out || fail=1
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compare /dev/null err || fail=1
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# This would have provoked a nontrivial leak prior to diffutils-3.5,
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# due to the nontrivial list of diff_block structs.
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seq 10 40|sed 's/1$/x/' > d || framework_failure_
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seq 10 40|sed 's/5$/y/' > e || framework_failure_
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seq 10 40|sed 's/8$/z/' > f || framework_failure_
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cat <<'EOF' > exp40 || framework_failure_
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====1
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1:2c
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1x
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2:2c
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3:2c
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11
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====2
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1:6c
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3:6c
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15
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2:6c
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1y
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====3
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1:9c
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2:9c
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18
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3:9c
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1z
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====1
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1:12c
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2x
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2:12c
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3:12c
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21
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====2
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1:16c
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3:16c
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25
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2:16c
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2y
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====3
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1:19c
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2:19c
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28
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3:19c
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2z
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====1
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1:22c
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3x
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2:22c
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3:22c
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31
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====2
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1:26c
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3:26c
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35
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2:26c
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3y
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====3
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1:29c
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2:29c
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38
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3:29c
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3z
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EOF
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diff3 d e f > out 2> err
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compare exp40 out || fail=1
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compare /dev/null err || fail=1
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Exit $fail
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