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authorCameron Katri <me@cameronkatri.com>2021-05-09 14:20:58 -0400
committerCameron Katri <me@cameronkatri.com>2021-05-09 14:20:58 -0400
commit5fd83771641d15c418f747bd343ba6738d3875f7 (patch)
tree5abf0f78f680d9837dbd93d4d4c3933bb7509599 /shell_cmds/sh/tests/expansion/plus-minus3.0
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Diffstat (limited to 'shell_cmds/sh/tests/expansion/plus-minus3.0')
-rw-r--r--shell_cmds/sh/tests/expansion/plus-minus3.044
1 files changed, 44 insertions, 0 deletions
diff --git a/shell_cmds/sh/tests/expansion/plus-minus3.0 b/shell_cmds/sh/tests/expansion/plus-minus3.0
new file mode 100644
index 0000000..d7fc923
--- /dev/null
+++ b/shell_cmds/sh/tests/expansion/plus-minus3.0
@@ -0,0 +1,44 @@
+# $FreeBSD: head/bin/sh/tests/expansion/plus-minus3.0 206817 2010-04-18 22:13:45Z jilles $
+
+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