General spring-clean of EBCDIC-related issues in the code, which had decayed

over time. Also the documentation. Added one test that can be run in an ASCII
world to do a little testing of EBCDIC-related things. 


git-svn-id: svn://vcs.exim.org/pcre/code/trunk@1033 2f5784b3-3f2a-0410-8824-cb99058d5e15

1 files changed, 65 insertions, 29 deletions

diff --git a/RunTest b/RunTest
index b9a0456..61da889 100755
--- a/RunTest
+++ b/RunTest
@@ -2,7 +2,7 @@
 
 # Run the PCRE tests using the pcretest program. The appropriate tests are
 # selected, depending on which build-time options were used.
-
+#
 # All tests are now run both with and without -s, to ensure that everything is
 # tested with and without studying. However, there are some tests that produce
 # different output after studying, typically when we are tracing the actual
@@ -12,23 +12,31 @@
 # any difference to their output. There is also one test which compiles invalid
 # UTF-8 with the UTF-8 check turned off; for this, studying must also be
 # disabled with /SS.
-
+#
 # When JIT support is available, all the tests are also run with -s+ to test
 # (again, almost) everything with studying and the JIT option. There are also
 # two tests for JIT-specific features, one to be run when JIT support is
 # available, and one when it is not.
-
+#
 # Whichever of the 8-bit and 16-bit libraries exist are tested. It is also
 # possible to select which to test by the arguments -8 or -16.
-
+#
 # Other arguments for this script can be individual test numbers, or the word
 # "valgrind", or "sim" followed by an argument to run cross-compiled
 # executables under a simulator, for example:
 #
 # RunTest 3 sim "qemu-arm -s 8388608"
 #
-# Finally, if the script is obeyed as "RunTest list", a list of available
-# tests is output, but none of them are run.
+#
+# There are two special cases where only one argument is allowed:
+#
+# If the first and only argument is "ebcdic", the script runs the special
+# EBCDIC test that can be useful for checking certain EBCDIC features, even
+# when run in an ASCII environment.
+#
+# If the script is obeyed as "RunTest list", a list of available tests is
+# output, but none of them are run.
+
 
 # Define test titles in variables so that they can be output as a list. Some
 # of them are modified (e.g. with -8 or -16) when used in the actual tests.
@@ -83,6 +91,56 @@ if [ $# -eq 1 -a "$1" = "list" ]; then
   exit 0
 fi
 
+# Set up a suitable "diff" command for comparison. Some systems
+# have a diff that lacks a -u option. Try to deal with this.
+
+cf="diff"
+diff -u /dev/null /dev/null 2>/dev/null && cf="diff -u"
+
+# Find the test data
+
+if [ -n "$srcdir" -a -d "$srcdir" ] ; then
+  testdata="$srcdir/testdata"
+elif [ -d "./testdata" ] ; then
+  testdata=./testdata
+elif [ -d "../testdata" ] ; then
+  testdata=../testdata
+else
+  echo "Cannot find the testdata directory"
+  exit 1
+fi
+
+
+# ------ Special EBCDIC Test -------
+
+if [ $# -eq 1 -a "$1" = "ebcdic" ]; then
+  ./pcretest -C ebcdic >/dev/null
+  ebcdic=$?
+  if [ $ebcdic -ne 1 ] ; then
+    echo "Cannot run EBCDIC tests: EBCDIC support not compiled"
+    exit 1
+  fi    
+
+  for opt in "" "-s" "-dfa" "-s -dfa"; do
+    ./pcretest -q $opt $testdata/testinputEBC >testtry
+    if [ $? = 0 ] ; then
+      $cf $testdata/testoutputEBC testtry
+      if [ $? != 0 ] ; then exit 1; fi
+    else exit 1
+    fi
+    if [ "$opt" = "-s" ] ; then echo "  OK with study"
+    elif [ "$opt" = "-dfa" ] ; then echo "  OK using DFA"
+    elif [ "$opt" = "-s -dfa" ] ; then echo "  OK using DFA with study"  
+    else echo "  OK"
+    fi
+  done
+
+exit 0
+fi
+
+
+# ------ Normal Tests ------ 
+
 # Default values
 
 valgrind=
@@ -152,29 +210,7 @@ while [ $# -gt 0 ] ; do
   shift
 done
 
-# Set up a suitable "diff" command for comparison. Some systems
-# have a diff that lacks a -u option. Try to deal with this.
-
-cf="diff"
-diff -u /dev/null /dev/null 2>/dev/null && cf="diff -u"
-
-# Find the test data
-
-if [ -n "$srcdir" -a -d "$srcdir" ] ; then
-  testdata="$srcdir/testdata"
-elif [ -d "./testdata" ] ; then
-  testdata=./testdata
-elif [ -d "../testdata" ] ; then
-  testdata=../testdata
-else
-  echo "Cannot find the testdata directory"
-  exit 1
-fi
-
-# Find which optional facilities are available. In some Windows environments
-# the output of pcretest -C has CRLF at the end of each line, but the shell
-# strips only linefeeds from the output of a `backquoted` command. Hence the
-# alternative patterns.
+# Find which optional facilities are available. 
 
 $sim ./pcretest -C linksize >/dev/null
 link_size=$?