f645e1573
Denys Vlasenko
2017-07-18
Subject
hush: another testcase for "READONLY_VAR=VAL BLTIN ..."
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shell/hush_test/hush-vars/readonly0.right +6 -0shell/hush_test/hush-vars/readonly0.tests +11 -5shell/hush_test/hush-vars/readonly2.right +4 -0shell/hush_test/hush-vars/readonly2.tests +6 -0
shell/hush_test/hush-vars/readonly0.right+6 -0
| @@ -1,14 +1,20 @@ | |
| readonly a=A | |
| readonly b=B | |
| Ok:0 | |
| + | |
| hush: a=A: readonly variable | |
| Fail:1 | |
| hush: a=A: readonly variable | |
| Fail:1 | |
| + | |
| hush: a=Z: readonly variable | |
| Fail:1 | |
| + | |
| hush: a=Z: readonly variable | |
| b=B | |
| ^^^a is not exported | |
| + | hush: a=Z: readonly variable |
| + | Visible:42 |
| + | |
| hush: a: readonly variable | |
| Fail:1 | |
shell/hush_test/hush-vars/readonly0.tests+11 -5
| @@ -1,5 +1,5 @@ | |
| unset a b | |
| - | |
| + | # |
| readonly a=A | |
| b=B | |
| readonly b | |
| @@ -12,6 +12,7 @@ export -n a b | |
| echo Ok:$? | |
| env | grep -e^a= -e^b= # shows nothing | |
| + | echo |
| # these should all fail (despite the same value being assigned) | |
| # bash does not abort even in non-interactive more (in script) | |
| true; a=A | |
| @@ -19,18 +20,23 @@ echo Fail:$? | |
| true; readonly a=A | |
| echo Fail:$? | |
| + | echo |
| # in bash, assignment in export fails, but export succeeds! :) | |
| # we don't mimic that! | |
| true; export a=Z | |
| - | echo Fail:$?; true |
| + | echo Fail:$? |
| #env | grep '^a=' | |
| #echo "^^^a is exported" | |
| export -n a # undo that bashism, if it happens | |
| + | echo |
| export b | |
| # this fails to both set and export a: | |
| - | a=Z env | grep '^[ab]=' # command still runs |
| + | a=Z env | grep '^[ab]=' |
| echo "^^^a is not exported" | |
| + | # but external command does get executed, and $? is not mangled (stays 42): |
| + | (exit 42); a=Z env echo Visible:$? |
| - | unset a |
| - | echo Fail:$?; true |
| + | echo |
| + | true; unset a |
| + | echo Fail:$? |
shell/hush_test/hush-vars/readonly2.right+4 -0
| @@ -0,0 +1,4 @@ | |
| + | hush: a=Z: readonly variable |
| + | Visible:42 |
| + | hush: a=Z: readonly variable |
| + | Visible:42 |
shell/hush_test/hush-vars/readonly2.tests+6 -0
| @@ -0,0 +1,6 @@ | |
| + | unset a |
| + | readonly a=A |
| + | |
| + | # external commands and builtins should behave the same: |
| + | (exit 42); a=Z echo "Visible:$?" |
| + | (exit 42); a=Z env echo "Visible:$?" |