diff options
Diffstat (limited to 'shell/ash_test/ash-invert')
| -rw-r--r-- | shell/ash_test/ash-invert/invert.right | 10 | ||||
| -rwxr-xr-x | shell/ash_test/ash-invert/invert.tests | 19 |
2 files changed, 29 insertions, 0 deletions
diff --git a/shell/ash_test/ash-invert/invert.right b/shell/ash_test/ash-invert/invert.right new file mode 100644 index 0000000..5a9239a --- /dev/null +++ b/shell/ash_test/ash-invert/invert.right @@ -0,0 +1,10 @@ +1 +1 +1 +0 +0 +1 +0 +1 +0 +1 diff --git a/shell/ash_test/ash-invert/invert.tests b/shell/ash_test/ash-invert/invert.tests new file mode 100755 index 0000000..8393d95 --- /dev/null +++ b/shell/ash_test/ash-invert/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 $? |