tests: portability fix.

	* tests/input.at (Bad escapes in literals): Don't expect "echo
	'\0'" to output \ then 0.

2 files changed, 14 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 89f863f7..40df1d40 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-08-26  Akim Demaille  <demaille@gostai.com>
+
+	tests: portability fix.
+	* tests/input.at (Bad escapes in literals): Don't expect "echo
+	'\0'" to output \ then 0.
+
 2009-08-26  Joel E. Denny  <jdenny@clemson.edu>
 
 	Actually handle the yytable zero value correctly this time.
diff --git a/tests/input.at b/tests/input.at
index f91c0fb8..36a6d408 100644
--- a/tests/input.at
+++ b/tests/input.at
@@ -1233,7 +1233,14 @@ start: '\777' '\0' '\xfff' '\x0'
        '\uffff' '\u0000' '\Uffffffff' '\U00000000'
        '\ ' '\A';
 ]])
-echo 'start: "\T\F\0\1" ;' | tr 'TF01' '\011\014\0\1' >> input.y
+
+# It is not easy to create special characters, we can only trust tr.
+# Beside we cannot even expect "echo '\0'" to output two characters
+# (well three with \n): at least Bash 3.2 converts the two-character
+# sequence "\0" into a single NUL character.
+#
+# Z for 0, O for 1.
+echo 'start: "\T\F\Z\O" ;' | tr 'TFZO' '\011\014\0\1' >> input.y
 
 AT_BISON_CHECK([input.y], [1], [],
 [[input.y:2.9-12: invalid number after \-escape: 777