tools/fuzz: add test scripts for synthetic pattern generation.

tools/fuzz/aristocrats.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+
+from random import choice,randint
+from optparse import OptionParser
+
+def generateRandomOptions():
+    if options.hybrid:
+        allflags = "smiH8W"
+    else:
+        # Maintain an ordering for consistency.
+        allflags = "smiHV8WLP"
+    flags = ""
+    for f in allflags:
+        flags += choice(['', f])
+    return flags
+
+parser = OptionParser()
+parser.add_option("-d", "--depth",
+                  action="store", type="int", dest="depth", default=200,
+                  help="Depth of generation (akin to maximum length)")
+parser.add_option("-c", "--count",
+                  action="store", type="int", dest="count", default=1000,
+                  help="Number of expressions to generate")
+parser.add_option("-f", "--full",
+                  action="store_true", dest="full", default=False,
+                  help="Use a full character set including unprintables")
+parser.add_option("-H", "--hybrid",
+                  action="store_true", dest="hybrid",
+                  help="Generate random flags for hybrid mode")
+
+(options, args) = parser.parse_args()
+if len(args) != 0:
+    parser.error("incorrect number of arguments")
+
+if (options.full):
+    crange = range(0,256)
+    crange.remove(ord('\n'))
+else:
+    crange = range(32, 127)
+
+for i in xrange(0, options.count):
+    len = randint(1, options.depth)
+    s = [ chr(choice(crange)) for x in xrange(len) ]
+    line = str(i) + ":/" + "".join(s) + "/" + generateRandomOptions()
+    print line