shell: update psubst testcases

Signed-off-by: NDenys Vlasenko <vda.linux@googlemail.com>

shell/ash_test/ash-psubst/falsetick.right

+0
+0
+0
+0
+2
+2
+2
+2
+./falsetick.tests: line 12: can't create /does/not/exist: nonexistent directory
+1
+./falsetick.tests: line 13: can't create /does/not/exist: nonexistent directory
+1
+./falsetick.tests: line 14: can't create /does/not/exist: nonexistent directory
+1
+./falsetick.tests: line 15: can't create /does/not/exist: nonexistent directory
+1
+./falsetick.tests: line 16: can't create /does/not/exist: nonexistent directory
+1
+./falsetick.tests: line 17: can't create /does/not/exist: nonexistent directory
+1
+./falsetick.tests: line 18: can't create /does/not/exist: nonexistent directory
+1
+./falsetick.tests: line 19: can't create /does/not/exist: nonexistent directory
+1

shell/ash_test/ash-psubst/falsetick.tests

+# Exitcode 0 (`` has no exitcode, but assignment has):
+true;  a=``; echo $?
+false; a=``; echo $?
+true;  a=$(); echo $?
+false; a=$(); echo $?
+# Exitcode 2 (`cmd` expansion sets exitcode after assignment set it to 0):
+true;  a=`exit 2`; echo $?
+false; a=`exit 2`; echo $?
+true;  a=$(exit 2); echo $?
+false; a=$(exit 2); echo $?
+# Exitcode 1 (redirect sets exitcode to 1 on error after them):
+true;  a=`` >/does/not/exist; echo $?
+false; a=`` >/does/not/exist; echo $?
+true;  a=$() >/does/not/exist; echo $?
+false; a=$() >/does/not/exist; echo $?
+true;  a=`exit 2` >/does/not/exist; echo $?
+false; a=`exit 2` >/does/not/exist; echo $?
+true;  a=$(exit 2) >/does/not/exist; echo $?
+false; a=$(exit 2) >/does/not/exist; echo $?

shell/ash_test/ash-psubst/falsetick2.right

+Two:2 v:[]

shell/ash_test/ash-psubst/falsetick2.tests

+v=v
+v=`exit 2` `false`
+echo Two:$? v:"[$v]"

shell/hush_test/hush-psubst/falsetick.right

@@ -22,6 +22,3 @@ hush: can't open '/does/not/exist': No such file or directory
 1
 hush: can't open '/does/not/exist': No such file or directory
 1
-hush: can't open '/does/not/exist': No such file or directory
-1
-Done: a=b

shell/hush_test/hush-psubst/falsetick.tests

@@ -17,6 +17,3 @@ true;  a=`exit 2` >/does/not/exist; echo $?
 false; a=`exit 2` >/does/not/exist; echo $?
 true;  a=$(exit 2) >/does/not/exist; echo $?
 false; a=$(exit 2) >/does/not/exist; echo $?
-# ...and assignment still happens despite redirect error:
-true;  a=$(echo b) >/does/not/exist; echo $?
-echo "Done: a=$a"

shell/hush_test/hush-psubst/falsetick3.right

+hush: can't open '/does/not/exist': No such file or directory
+1
+Done: a=b

shell/hush_test/hush-psubst/falsetick3.tests

+# assignment still happens despite redirect error
+true;  a=$(echo b) >/does/not/exist; echo $?
+echo "Done: a=$a"