add ash testcases

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 @@
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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 $?