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| author | An-Cheng Huang <ancheng@vyatta.com> | 2007-11-12 13:06:02 -0800 |
|---|---|---|
| committer | An-Cheng Huang <ancheng@vyatta.com> | 2007-11-12 13:06:02 -0800 |
| commit | b7fc9e0f6d6105ba2203f219743d4b269415e84b (patch) | |
| tree | ef6586dfc62798c2b17487b443864699aca55f31 /tests/invert.tests | |
| download | vyatta-bash-b7fc9e0f6d6105ba2203f219743d4b269415e84b.tar.gz vyatta-bash-b7fc9e0f6d6105ba2203f219743d4b269415e84b.zip | |
initial import from bash_3.1dfsg.orig.tar.gz
Diffstat (limited to 'tests/invert.tests')
| -rw-r--r-- | tests/invert.tests | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/invert.tests b/tests/invert.tests new file mode 100644 index 0000000..8393d95 --- /dev/null +++ b/tests/invert.tests @@ -0,0 +1,19 @@ +# tests of return value inversion +# placeholder for future expansion + +# user subshells (...) did this wrong in bash versions before 2.04 + +! ( echo hello | grep h >/dev/null 2>&1 ); echo $? +! echo hello | grep h >/dev/null 2>&1 ; echo $? + +! true ; echo $? +! false; echo $? + +! (false) ; echo $? +! (true); echo $? + +! true | false ; echo $? +! false | true ; echo $? + +! (true | false) ; echo $? +! (false | true) ; echo $? |