6941287: 4/4 jrunscriptTest.sh test does not work right under Cygwin

Summary: Add golden_diff variable for doing proper golden file diffs on Cygwin.
Reviewed-by: ohair, dholmes

test/sun/tools/jrunscript/common.sh

 #
-# Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -43,10 +43,20 @@ setup() {
     Windows_*)
         PS=";"
         FS="\\"
+        # MKS diff deals with trailing CRs automatically
+        golden_diff="diff"
+        ;;
+    CYGWIN*)
+        PS=":"
+        FS="/"
+        # Cygwin diff needs to be told to ignore trailing CRs
+        golden_diff="diff --strip-trailing-cr"
         ;;
     *)
         PS=":"
         FS="/"
+        # Assume any other platform doesn't have the trailing CR stuff
+        golden_diff="diff"
         ;;
     esac
 

test/sun/tools/jrunscript/jrunscript-eTest.sh

 #!/bin/sh
 
 #
-# Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,7 @@ fi
 rm -f jrunscript-eTest.out 2>/dev/null
 ${JRUNSCRIPT} -e "println('hello')" > jrunscript-eTest.out 2>&1
 
-diff jrunscript-eTest.out ${TESTSRC}/dash-e.out
+$golden_diff jrunscript-eTest.out ${TESTSRC}/dash-e.out
 if [ $? != 0 ]
 then
   echo "Output of jrunscript -e differ from expected output. Failed."
@@ -55,7 +55,7 @@ fi
 rm -f jrunscript-eTest.out 2>/dev/null
 ${JRUNSCRIPT} -l js -e "println('hello')" > jrunscript-eTest.out 2>&1
 
-diff jrunscript-eTest.out ${TESTSRC}/dash-e.out
+$golden_diff jrunscript-eTest.out ${TESTSRC}/dash-e.out
 if [ $? != 0 ]
 then
   echo "Output of jrunscript -e differ from expected output. Failed."

test/sun/tools/jrunscript/jrunscript-fTest.sh

 #!/bin/sh
 
 #
-# Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -42,7 +42,7 @@ fi
 rm -f jrunscript-fTest.out 2>/dev/null
 ${JRUNSCRIPT} -f ${TESTSRC}/hello.js > jrunscript-fTest.out 2>&1
 
-diff jrunscript-fTest.out ${TESTSRC}/dash-f.out
+$golden_diff jrunscript-fTest.out ${TESTSRC}/dash-f.out
 if [ $? != 0 ]
 then
   echo "Output of jrunscript -f differ from expected output. Failed."
@@ -56,7 +56,7 @@ fi
 rm -f jrunscript-fTest.out 2>/dev/null
 ${JRUNSCRIPT} -l js -f ${TESTSRC}/hello.js > jrunscript-fTest.out 2>&1
 
-diff jrunscript-fTest.out ${TESTSRC}/dash-f.out
+$golden_diff jrunscript-fTest.out ${TESTSRC}/dash-f.out
 if [ $? != 0 ]
 then
   echo "Output of jrunscript -f differ from expected output. Failed."

test/sun/tools/jrunscript/jrunscriptTest.sh

 #!/bin/sh
 
 #
-# Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -49,7 +49,7 @@ java.lang.System.out.println('hello world from script');
 new java.lang.Runnable() { run: function() { println('I am runnable'); }}.run();
 EOF
 
-diff jrunscriptTest.out ${TESTSRC}/repl.out
+$golden_diff jrunscriptTest.out ${TESTSRC}/repl.out
 if [ $? != 0 ]
 then
   echo "Output of jrunscript session differ from expected output. Failed."
@@ -67,7 +67,7 @@ java.lang.System.out.println('hello world from script');
 new java.lang.Runnable() { run: function() { println('I am runnable'); }}.run();
 EOF
 
-diff jrunscriptTest.out ${TESTSRC}/repl.out
+$golden_diff jrunscriptTest.out ${TESTSRC}/repl.out
 if [ $? != 0 ]
 then
   echo "Output of jrunscript -l js differ from expected output. Failed."