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| author | cvpcs <root@cvpcs.org> | 2010-06-02 11:02:31 -0500 |
|---|---|---|
| committer | cvpcs <root@cvpcs.org> | 2010-06-02 11:02:31 -0500 |
| commit | 772f20abb0a3a0979c440114bf3a1cff5b3cef03 (patch) | |
| tree | 3384b9291d73a12542c526a8557218c7435491b0 /tests/invert.tests | |
| download | external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.zip external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.gz external_bash-772f20abb0a3a0979c440114bf3a1cff5b3cef03.tar.bz2 | |
initial import of bash 4.1
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 $? |