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shtests: fix loose ends

Browse source 
src/cmd/ksh93/tests/variables.sh:
- Tolerate a bit more time for the SECONDS verification test.

src/cmd/ksh93/tests/subshell.sh:
- Replace unportable 'head -c 1' by 'dd bs=1 count=1'
- Remove unnecessary uses of 'whence'.

src/cmd/ksh93/tests/builtins.sh:
- Add a regression test for a weirdly specific 'whence' bug exposed
  by the aforementioned unneccessary uses of 'whence', which only
  shows up on my old Power Mac G5 running Mac OS X 10.3. For all I
  know it's a compiler bug, but let's add a more clear failure for
  it here, in case that happens anywhere else.

(cherry picked from commit c3898bd1e6e40874845771d33a5b37220ef0b06e)
This commit is contained in:
Martijn Dekker 2020-06-08 23:51:57 +02:00
parent 712261c89b
commit fb652a7e50
3 changed files with 9 additions and 3 deletions
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2
src/cmd/ksh93/tests/variables.sh
View file

@ -440,7 +440,7 @@ function foo
}
x=$(foo)
(( x >.001 && x < .01 ))
(( x >.001 && x < 1 ))
'
} 2> /dev/null || err_exit 'SECONDS not working in function'
cat > $tmp/script <<-\!