test-message: fix message output

1. The net changes add a stack frame to stdin errors.
2. The error line numbers were overly strict in many places.

test/message/eval_messages.out

@@ -4,11 +4,11 @@
 with(this){__filename}
 ^^^^
 SyntaxError: Strict mode code may not include a with statement
-    at Object.<anonymous> ([eval]-wrapper:6:22)
+    at Object.<anonymous> ([eval]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at startup (node.js:76:7)
+    at startup (node.js:*:*)
-    at node.js:623:3
+    at node.js:*:*
 42
 42
 
@@ -17,22 +17,22 @@ throw new Error("hello")
       ^
 Error: hello
     at [eval]:1:7
-    at Object.<anonymous> ([eval]-wrapper:6:22)
+    at Object.<anonymous> ([eval]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at startup (node.js:76:7)
+    at startup (node.js:*:*)
-    at node.js:623:3
+    at node.js:*:*
 
 [eval]:1
 throw new Error("hello")
       ^
 Error: hello
     at [eval]:1:7
-    at Object.<anonymous> ([eval]-wrapper:6:22)
+    at Object.<anonymous> ([eval]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at startup (node.js:76:7)
+    at startup (node.js:*:*)
-    at node.js:623:3
+    at node.js:*:*
 100
 
 [eval]:1
@@ -40,11 +40,11 @@ var x = 100; y = x;
                ^
 ReferenceError: y is not defined
     at [eval]:1:16
-    at Object.<anonymous> ([eval]-wrapper:6:22)
+    at Object.<anonymous> ([eval]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at startup (node.js:76:7)
+    at startup (node.js:*:*)
-    at node.js:623:3
+    at node.js:*:*
 
 [eval]:1
 var ______________________________________________; throw 10

test/message/stdin_messages.out

@@ -4,12 +4,12 @@
 with(this){__filename}
 ^^^^
 SyntaxError: Strict mode code may not include a with statement
-    at Object.<anonymous> ([stdin]-wrapper:6:22)
+    at Object.<anonymous> ([stdin]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at Socket.<anonymous> (node.js:152:11)
+    at Socket.<anonymous> (node.js:*:*)
-    at Socket.EventEmitter.emit (events.js:85:17)
+    at Socket.EventEmitter.emit (events.js:*:*)
-    at Pipe.onread (net.js:424:51)
+    at Pipe.onread (net.js:*:*)
 42
 42
 
@@ -18,24 +18,24 @@ throw new Error("hello")
       ^
 Error: hello
     at [stdin]:1:7
-    at Object.<anonymous> ([stdin]-wrapper:6:22)
+    at Object.<anonymous> ([stdin]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at Socket.<anonymous> (node.js:152:11)
+    at Socket.<anonymous> (node.js:*:*)
-    at Socket.EventEmitter.emit (events.js:85:17)
+    at Socket.EventEmitter.emit (events.js:*:*)
-    at Pipe.onread (net.js:424:51)
+    at Pipe.onread (net.js:*:*)
 
 [stdin]:1
 throw new Error("hello")
       ^
 Error: hello
     at [stdin]:1:7
-    at Object.<anonymous> ([stdin]-wrapper:6:22)
+    at Object.<anonymous> ([stdin]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at Socket.<anonymous> (node.js:152:11)
+    at Socket.<anonymous> (node.js:*:*)
-    at Socket.EventEmitter.emit (events.js:85:17)
+    at Socket.EventEmitter.emit (events.js:*:*)
-    at Pipe.onread (net.js:424:51)
+    at Pipe.onread (net.js:*:*)
 100
 
 [stdin]:1
@@ -43,12 +43,12 @@ var x = 100; y = x;
                ^
 ReferenceError: y is not defined
     at [stdin]:1:16
-    at Object.<anonymous> ([stdin]-wrapper:6:22)
+    at Object.<anonymous> ([stdin]-wrapper:*:*)
-    at Module._compile (module.js:449:26)
+    at Module._compile (module.js:*:*)
-    at evalScript (node.js:282:25)
+    at evalScript (node.js:*:*)
-    at Socket.<anonymous> (node.js:152:11)
+    at Socket.<anonymous> (node.js:*:*)
-    at Socket.EventEmitter.emit (events.js:85:17)
+    at Socket.EventEmitter.emit (events.js:*:*)
-    at Pipe.onread (net.js:424:51)
+    at Pipe.onread (net.js:*:*)
 
 [stdin]:1
 var ______________________________________________; throw 10

test/message/testcfg.py

@@ -43,7 +43,7 @@ class MessageTestCase(test.TestCase):
 
   def IgnoreLine(self, str):
     """Ignore empty lines and valgrind output."""
-    if not str: return True
+    if not str.strip(): return True
     else: return str.startswith('==') or str.startswith('**')
 
   def IsFailureOutput(self, output):
@@ -66,9 +66,22 @@ class MessageTestCase(test.TestCase):
     raw_lines = (output.stdout + output.stderr).split('\n')
     outlines = [ s for s in raw_lines if not self.IgnoreLine(s) ]
     if len(outlines) != len(patterns):
+      print "length differs."
+      print "expect=%d" % len(patterns)
+      print "actual=%d" % len(outlines)
+      print "patterns:"
+      for i in xrange(len(patterns)):
+        print "pattern = %s" % patterns[i]
+      print "outlines:"
+      for i in xrange(len(outlines)):
+        print "outline = %s" % outlines[i]
       return True
     for i in xrange(len(patterns)):
       if not re.match(patterns[i], outlines[i]):
+        print "match failed"
+        print "line=%d" % i
+        print "expect=%s" % patterns[i]
+        print "actual=%s" % outlines[i]
         return True
     return False