Author: jilles
Date: Sun Apr 18 22:13:45 2010
New Revision: 206817
URL: http://svn.freebsd.org/changeset/base/206817
Log:
sh: Add testcases for double-quotes within quoted ${var+-...} (non-POSIX).
POSIX leaves things like "${var+"word"}" undefined.
We follow traditional ash behaviour here.
Hence, these testcases also work on stable/8.
Added:
head/tools/regression/bin/sh/expansion/plus-minus3.0 (contents, props
changed)
Added: head/tools/regression/bin/sh/expansion/plus-minus3.0
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/regression/bin/sh/expansion/plus-minus3.0 Sun Apr 18
22:13:45 2010 (r206817)
@@ -0,0 +1,44 @@
+# $FreeBSD$
+
+e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}'
+h='##'
+failures=''
+ok=''
+
+testcase() {
+ code="$1"
+ expected="$2"
+ oIFS="$IFS"
+ eval "$code"
+ IFS='|'
+ result="$#|$*"
+ IFS="$oIFS"
+ if [ "x$result" = "x$expected" ]; then
+ ok=x$ok
+ else
+ failures=x$failures
+ echo "For $code, expected $expected actual $result"
+ fi
+}
+
+# We follow original ash behaviour for quoted ${var+-=?} expansions:
+# a double-quote in one switches back to unquoted state.
+# This allows expanding a variable as a single word if it is set
+# and substituting multiple words otherwise.
+# It is also close to the Bourne and Korn shells.
+# POSIX leaves this undefined, and various other shells treat
+# such double-quotes as introducing a second level of quoting
+# which does not do much except quoting close braces.
+
+testcase 'set -- "${p+"/et[c]/"}"' '1|/etc/'
+testcase 'set -- "${p-"/et[c]/"}"' '1|/et[c]/'
+testcase 'set -- "${p+"$p"}"' '1|/etc/'
+testcase 'set -- "${p-"$p"}"' '1|/et[c]/'
+testcase 'set -- "${p+"""/et[c]/"}"' '1|/etc/'
+testcase 'set -- "${p-"""/et[c]/"}"' '1|/et[c]/'
+testcase 'set -- "${p+"""$p"}"' '1|/etc/'
+testcase 'set -- "${p-"""$p"}"' '1|/et[c]/'
+testcase 'set -- "${p+"\@"}"' '1|@'
+testcase 'set -- "${p+"'\''/et[c]/'\''"}"' '1|/et[c]/'
+
+test "x$failures" = x
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