OK, let's see if this worked. Updated test suite.

Squashed commit of the following:

commit b255d27aeca09583415fca8616e68eeaa2fd3eeb
Author: Julian Berman <Julian@GrayVines.com>
Date:   Mon Dec 24 19:41:09 2012 -0500

    Add tests for ignoring irrelevant types.

commit 71a0d30e0cafce6876f23ab6cf25365d1244e0cd
Merge: 2262a91 082e844
Author: Julian Berman <Julian@GrayVines.com>
Date:   Sun Dec 23 21:14:38 2012 -0500

    Tag version 1.0.0.

    Closes #13

commit 082e8440ccbf29181b8ba6f440d89f4723b841df
Author: Julian Berman <Julian@GrayVines.com>
Date:   Sun Dec 23 00:28:48 2012 -0500

    Cleanup

    * Make errors in the tests be failures
    * Removed use of ErrorTree
    * Added another helper fn
    * Use fnmatch instead of glob

commit e39d53703cbf4047b4fcd864dc55ad412c4c9d1d
Author: Julian Berman <Julian@GrayVines.com>
Date:   Fri Dec 21 14:52:16 2012 -0500

    Added tests differentiating between lexical and mathematical integers.

    Integer literals should be considered integers, while mathematical integers can
    be specified with divisibleBy.

    See: https://github.com/json-schema/json-schema/issues/27

    Closes #2

commit 44540b712d330625379ab3a85fa33aca044b29cd
Author: Julian Berman <Julian@GrayVines.com>
Date:   Fri Dec 21 14:47:26 2012 -0500

    Added name to license.

commit 646a9810aa69ca3a1fd14dc4282d4191cc222436
Author: Julian Berman <Julian@GrayVines.com>
Date:   Fri Dec 21 14:31:47 2012 -0500

    Add a test for BigNum integers.

    Closes #12

commit d22c24ea996491f839f5f5c8447ad30f2087eebb
Merge: e8bcd5a c0dbbb5
Author: Julian Berman <Julian@GrayVines.com>
Date:   Wed Dec 19 10:57:03 2012 -0800

    Merge pull request #17 from gazpachoking/validate_suite_content

    Add sanity checks for actual format of test suites

commit c0dbbb5320d33763b186ff40aa0292c6170588ef
Author: Chase Sterling <chase.sterling@gmail.com>
Date:   Wed Dec 19 10:53:57 2012 -0500

    Add back executable bit to suite_sanity_check

commit 86f348605b35b9777691a0498f720c9dba2fb500
Author: Chase Sterling <chase.sterling@gmail.com>
Date:   Wed Dec 19 00:49:20 2012 -0500

    Add sanity check to validate all suites against suite schema.
    Make sure optional test suites don't skip the sanity checks.

commit e8bcd5a1f064eadd4acf4be16bf92412f9fd0e54
Author: Nick Lombard <github@jigsoft.co.za>
Date:   Wed Dec 19 06:38:00 2012 +0200

    Update README.md

    Travis status for develop branch

commit ca8f1071db80ce5f256927d3cad8af8404c768b9
Author: Nick Lombard <github@jigsoft.co.za>
Date:   Wed Dec 19 06:36:03 2012 +0200

    Update README.md

    Added travis status image

commit cf4597e140d1f713f9f7f34c2cb03da869a3224e
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Dec 18 23:27:13 2012 -0500

    Minor formatting (and get travis to build)

commit 5cb630c9ee5c8eecb06332d65f784538e451bc31
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Dec 18 23:12:42 2012 -0500

    Show number of tests found

commit 7baea07ecbb64edf7bd4dab6f11139672298d3fd
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Dec 18 23:11:33 2012 -0500

    Travis

commit 2f320bb1c0e7514e7e03fe6049413c974fc844ec
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Dec 18 23:07:23 2012 -0500

    Add sanity checker.

commit 2262a9141c1f147c237adbeea540f66018349c5f
Merge: 9cda89e a1ec588
Author: Julian Berman <Julian@GrayVines.com>
Date:   Tue Dec 18 13:22:23 2012 -0800

    Merge pull request #15 from tdegrunt/patch-1

    Update README.md

commit a1ec58862c20ea4c98d5c6a26024e83145453b03
Author: Tom de Grunt <tom@degrunt.nl>
Date:   Tue Dec 18 22:10:48 2012 +0100

    Update README.md

    Added node.js module jsonschema.

commit 9cda89ee01a4cc9e86a215b3b9ff0468b59714a0
Author: Julian Berman <Julian@GrayVines.com>
Date:   Tue Dec 18 14:35:19 2012 -0500

    Update README.md

commit b22d795b9863d02e9fd4891ffde153ad41c4f1cb
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Nov 17 19:26:21 2012 -0500

    Ignore TODO

commit 330fd4864fa55b3b6bed8287cf3bdcbc2c639798
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Nov 17 19:25:27 2012 -0500

    Merge into properties tests.

commit c7c2338380efebf6b89c9b81552962736fcf0b84
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Nov 17 19:20:25 2012 -0500

    Remove duplicate tests.

commit 281c28be60f87fe231815b8faebc1e6169233be5
Merge: 6f55ff5 6c28d7c
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Nov 17 19:14:19 2012 -0500

    Merge git://github.com/IreneKnapp/JSON-Schema-Test-Suite

commit 6c28d7cb5fce73dd2cea792c151bb002501aa6ed
Author: Irene Knapp <irene.knapp@icloud.com>
Date:   Fri Nov 16 08:33:30 2012 -0500

    Fix a test that should actually be invalid.  Remove some unnecessary tests.

commit b7858cc3584ce8a8886a7edde3866f9776505b6f
Author: Irene Knapp <irene.knapp@icloud.com>
Date:   Thu Nov 15 22:48:09 2012 -0500

    Port over the rest of the stuff from jsonschema (the Python project).

commit fa666236d2d4386ff3f17589d3f5f9416f3280df
Author: Irene Knapp <irene.knapp@icloud.com>
Date:   Thu Nov 15 16:37:56 2012 -0500

    Port roughly the first third of jsonschema (the Python project)'s tests.py.

commit 6f55ff5138a561999df5b8ee27324856466eca6e
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Thu Nov 15 14:46:48 2012 -0500

    Add the haskell thing that was using us.

commit 756c8257ca5a9e4de08a27f716844d24ee99432f
Merge: d735a8a 459dd98
Author: Julian Berman <Julian@GrayVines.com>
Date:   Thu Nov 15 11:44:08 2012 -0800

    Merge pull request #6 from IreneKnapp/master

    Add direct-schema to list of clients

commit 459dd98563fbeb840ce8202a1ce72a24199a87c7
Author: Irene Knapp <irene.knapp@icloud.com>
Date:   Thu Nov 15 14:40:41 2012 -0500

    Adding direct-schema to list of clients.

commit d735a8a9de59e1ed7e0bf660b7aba0925c0f1cfa
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Thu Nov 15 09:37:03 2012 -0500

    Add call to action.

commit ca78ea844e6ca0d4d43885630d122687982d4746
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Thu Nov 1 08:58:50 2012 -0400

    Add heterogeneous types unique test.

commit 4ab01de94340e6baed2344f0b949043ca35ddfaa
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Wed Oct 31 20:12:53 2012 -0400

    Add specific test for bool and int.

commit 6a52026b0d5f1b687d5a995a1591b99d30240280
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Wed Oct 31 20:12:38 2012 -0400

    Simplify test to remove also testing integers and booleans.

commit 3871deac9d5cbc50635533736b68da2feaac0a1d
Merge: fefa4dc 6f18358
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Wed Oct 10 17:39:19 2012 -0400

    Merge branch 'render'

commit 6f18358cc498bb0ed5dfcef08bca52408bf717e9
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Wed Oct 10 17:37:54 2012 -0400

    Fix README example.

commit fefa4dc1c72f75c605aeb8138c39468e8240e724
Merge: 189e231 295d43a
Author: Julian Berman <Julian@GrayVines.com>
Date:   Wed Oct 10 12:47:28 2012 -0700

    Merge pull request #5 from timjb/master

    Added tests for divisibleBy, format: "regex"

commit 295d43a61daf4098864137c71b652c3d18ee33f3
Author: Tim Baumann <tim@timbaumann.info>
Date:   Wed Oct 10 21:27:32 2012 +0200

    Move format.json to folder for optional tests

commit 8f5d9e281b18296baa6440a8caa8955cf5eaec5e
Author: Tim Baumann <tim@timbaumann.info>
Date:   Wed Oct 10 21:06:08 2012 +0200

    regex validation

commit f11ddc3615460fa4fc9a0e2de8efde856d138f2f
Author: Tim Baumann <tim@timbaumann.info>
Date:   Wed Oct 10 20:59:55 2012 +0200

    divisibleBy tests

commit 189e231e65d2f25f722fa362cb770ef1c264f7a2
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Wed Oct 10 10:00:42 2012 -0400

    Fix the additionalItems tests.

    Closes #4

commit a0a6e71207e4cf2c2821370320cc8e158cd70f4c
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Wed Oct 10 09:54:52 2012 -0400

    Fix nil.

    Closes #3

commit 8dbaf210b8430c8cd1058b22cc2bfc639bcbbf8b
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Oct 9 20:28:09 2012 -0400

    Fix line endings and add invalid test case.

commit 7829853a2fffa508557c1e21613709417e603f09
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sun Oct 7 10:33:14 2012 -0400

    required

commit 91e57ae1dc09d75c3885bb8124213f5e67bf2275
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sun Oct 7 10:24:35 2012 -0400

    Pattern

commit 49af2ebc9a02584fe84ee8b414930b70af24637e
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Oct 6 20:50:59 2012 -0400

    uniqueItems

commit 089ed8e819d598125bbac985aa292f78be1e1547
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Oct 6 20:50:23 2012 -0400

    Enum

commit 7e4b937146d92a8612e9b95074daf7582f6ace65
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Oct 6 20:40:53 2012 -0400

    max/min Items/Length

commit 5c27f85a33bc75a8cfddf3b66d2bae91eac9b21e
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Sat Oct 6 20:34:21 2012 -0400

    Minimum and maximum

commit 9e24adbd197dddd31d74743bbc203534eda07e9e
Merge: 3649b58 3498f34
Author: Julian Berman <Julian@GrayVines.com>
Date:   Wed Sep 26 17:16:27 2012 -0700

    Merge pull request #1 from gazpachoking/clean

    Add some more tests

commit 3498f34e94db6e20f8202c0638005d2f62931ab7
Author: Chase Sterling <chase.sterling@gmail.com>
Date:   Wed Sep 26 20:02:58 2012 -0400

    Fix an improper additionalItems test.

commit 26a3873400e6c644cbe22842565624b40c410f1e
Merge: baf0502 3649b58
Author: Chase Sterling <chase.sterling@gmail.com>
Date:   Tue Sep 25 16:48:39 2012 -0400

    Merge branch 'master' into clean

commit baf050206e12334dfe158390a9d8f8d5525b3d6d
Author: Chase Sterling <chase.sterling@gmail.com>
Date:   Tue Sep 25 16:48:30 2012 -0400

    Added items tests.

commit cb6dfb2f040c1cc581128a0fbd2a40cfa44fb994
Author: Chase Sterling <chase.sterling@gmail.com>
Date:   Tue Sep 25 16:11:21 2012 -0400

    Add cleaned up additionalItems

commit 3649b58a5ce8fefc77ee1cfaaaeaf68df278ebd6
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Sep 25 15:28:13 2012 -0400

    Would be nice if I'd have properly run lint.

commit e6a270f18c77a1218abc3a7137a093a757b071db
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Sep 25 15:00:57 2012 -0400

    Properties.

commit 2192a637eff388a4ee666b07635922281e78539f
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Sep 25 12:40:31 2012 -0400

    Clarify test reqs.

commit ff746d00529dd7df0e56329223a8f16933aff9d1
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Sep 25 12:34:22 2012 -0400

    Add MIT License.

commit 9271ce51a4e053fe40985b17c1f88715bd859eb6
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Sep 25 12:29:00 2012 -0400

    A basic readme.

commit 530a0f33201ce4d718d5859f4856a65bbbcdcc73
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Sep 25 12:12:43 2012 -0400

    Finish type tests.

commit 4f9cd46dd9f73a1903452b1a9f4ea99c1938fb50
Author: Julian Berman <Julian+git@GrayVines.com>
Date:   Tue Sep 25 11:49:34 2012 -0400

    Initial commit. Basic type tests.

20 files changed, 277 insertions, 82 deletions

diff --git a/json/.travis.yml b/json/.travis.yml
new file mode 100644
index 0000000..186bd12
--- /dev/null
+++ b/json/.travis.yml
@@ -0,0 +1,4 @@
+language: python
+python: "2.7"
+install: pip install jsonschema
+script: bin/suite_sanity_check -v
diff --git a/json/LICENSE b/json/LICENSE
index 3dca8a2..c28adba 100644
--- a/json/LICENSE
+++ b/json/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2012
+Copyright (c) 2012 Julian Berman
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/json/README.md b/json/README.md
index 4f8549b..b0c2a3d 100644
--- a/json/README.md
+++ b/json/README.md
@@ -1,4 +1,4 @@
-JSON Schema Test Suite
+JSON Schema Test Suite [![Build Status](https://travis-ci.org/json-schema/JSON-Schema-Test-Suite.png?branch=develop)](https://travis-ci.org/json-schema/JSON-Schema-Test-Suite)
 ======================
 
 This repository contains a set of JSON objects that implementors of JSON Schema
@@ -6,8 +6,8 @@ validation libraries can use to test their validators.
 
 It is meant to be language agnostic and should require only a JSON parser.
 
-The conversion of the JSON objects into your test framework of choice (say,
-an `xUnit`) is still the job of the validator implementor.
+The conversion of the JSON objects into tests within your test framework of
+choice is still the job of the validator implementor.
 
 Structure of a Test
 -------------------
@@ -19,7 +19,9 @@ Inside that directory is a subdirectory for each draft or version of the
 schema. We'll use `draft3` as an example.
 
 If you look inside the draft directory, there are a number of `.json` files,
-which logically group a set of test cases together.
+which logically group a set of test cases together. Often the grouping is by
+property under test, but not always, especially within optional test files
+(discussed below).
 
 Inside each `.json` file is a single array containing objects. It's easiest to
 illustrate the structure of these with an example:
@@ -27,7 +29,7 @@ illustrate the structure of these with an example:
 ```json
     {
         "description": "the description of the test case",
-        "schema": "the schema that should be validated against",
+        "schema": {"the schema that should" : "be validated against"},
         "tests": [
             {
                 "description": "a specific test of a valid instance",
@@ -50,11 +52,9 @@ they should be valid or invalid.
 Coverage
 --------
 
-The coverage of this suite is actively growing. The first order of business is
-to have a full-coverage draft 3 test suite.
+Currently, draft 3 should have essentially full coverage for the core schema.
 
-Ultimately, when it's done, the idea is to attempt to have it included on [the
-JSON Schema website](http://www.json-schema.org).
+The beginnings of draft 4 are underway.
 
 Who Uses the Test Suite
 -----------------------
@@ -64,6 +64,7 @@ This suite is being used by:
   * [jsonschema (python)](https://github.com/Julian/jsonschema)
   * [aeson-schema (haskell)](https://github.com/timjb/aeson-schema)
   * [direct-schema (javascript)](https://github.com/IreneKnapp/direct-schema)
+  * [jsonschema (javascript)](https://github.com/tdegrunt/jsonschema)
 
 If you use it as well, please fork and send a pull request adding yourself to
 the list :).
@@ -71,18 +72,4 @@ the list :).
 Contributing
 ------------
 
-I need help! If you'd like to contribute, please fork this repository. I'd love
-to have your pull requests sent over.
-
-Right now, the way I'm compiling the tests is by porting over a test suite
-that I'd written for a Python validator. The tests (in a messy format) can be
-found [here](https://github.com/Julian/jsonschema/blob/master/tests.py#L100).
-
-There are also other JSON Schema test suites for various other validators, and
-it would certainly be nice to merge all of them as well. In particular, [this
-validator](https://github.com/fge/json-schema-validator/tree/master/src/test/resources/keyword)
-contains a set of tests already written in JSON which will be useful.
-
-I'm perfectly fine with contributions either porting from one of those, or
-being written from scratch, so feel free to do what you're comfortable with as
-long as the tests are easy to understand and correct :).
+If you see something missing or incorrect, a pull request is most welcome!
diff --git a/json/bin/suite_sanity_check b/json/bin/suite_sanity_check
new file mode 100755
index 0000000..bc42d39
--- /dev/null
+++ b/json/bin/suite_sanity_check
@@ -0,0 +1,116 @@
+#! /usr/bin/env python
+from unittest import TestCase, skipIf
+import fnmatch
+import json
+import logging
+import os
+
+try:
+    import jsonschema
+except ImportError:
+    jsonschema = None
+
+
+logging.basicConfig(level=logging.INFO)
+
+SUITE_ROOT_DIR = os.path.join(os.path.dirname(__file__), os.pardir, "tests")
+TESTSUITE_SCHEMA = {
+    "$schema": "http://json-schema.org/draft-03/schema#",
+    "type": "array",
+    "items": {
+        "type": "object",
+        "properties": {
+            "description": {"type": "string", "required": True},
+            "schema": {"required": True},
+            "tests": {
+                "type": "array",
+                "items": {
+                    "type": "object",
+                    "properties": {
+                        "description": {"type": "string", "required": True},
+                        "data": {"required": True},
+                        "valid": {"type": "boolean", "required": True}
+                    },
+                    "additionalProperties": False
+                },
+                "minItems": 1
+            }
+        },
+        "additionalProperties": False,
+    "minItems": 1
+    }
+}
+
+
+def files(paths):
+    for path in paths:
+        with open(path) as test_file:
+            yield json.load(test_file)
+
+
+def groups(paths):
+    for test_file in files(paths):
+        for group in test_file:
+            yield group
+
+
+def cases(paths):
+    for test_group in groups(paths):
+        for test in test_group["tests"]:
+            test["schema"] = test_group["schema"]
+            yield test
+
+
+def collect(root_dir):
+    for root, dirs, files in os.walk(root_dir):
+        for filename in fnmatch.filter(files, "*.json"):
+            yield os.path.join(root, filename)
+
+
+class SanityTests(TestCase):
+    @classmethod
+    def setUpClass(cls):
+        logging.info("Looking for tests in %s", SUITE_ROOT_DIR)
+        cls.test_files = list(collect(SUITE_ROOT_DIR))
+        logging.info("Found %s test files", len(cls.test_files))
+        assert cls.test_files, "Didn't find the test files!"
+
+    def test_all_files_are_valid_json(self):
+        for path in self.test_files:
+            with open(path) as test_file:
+                try:
+                    json.load(test_file)
+                except ValueError as error:
+                    self.fail("%s contains invalid JSON (%s)" % (path, error))
+
+    def test_all_descriptions_are_unique(self):
+        for group in groups(self.test_files):
+            descriptions = {test["description"] for test in group["tests"]}
+            self.assertEqual(
+                len(descriptions),
+                len(group["tests"]),
+                "%r contains a duplicate description" % (group,)
+            )
+
+    @skipIf(jsonschema is None, "Validation library not present! Skipping.")
+    def test_all_schemas_are_valid(self):
+        for case in cases(self.test_files):
+            # XXX: Add the other versions for the other drafts
+            try:
+                jsonschema.Draft3Validator.check_schema(case["schema"])
+            except jsonschema.SchemaError as error:
+                self.fail("%s contains an invalid schema (%s)" % (case, error))
+
+    @skipIf(jsonschema is None, "Validation library not present! Skipping.")
+    def test_suites_are_valid(self):
+        validator = jsonschema.Draft3Validator(TESTSUITE_SCHEMA)
+        for tests in files(self.test_files):
+            try:
+                validator.validate(tests)
+            except jsonschema.ValidationError as error:
+                self.fail(str(error))
+
+
+if __name__ == "__main__":
+    from unittest import main
+    main()
diff --git a/json/tests/draft3/additionalItems.json b/json/tests/draft3/additionalItems.json
index fd40de7..6d4bff5 100644
--- a/json/tests/draft3/additionalItems.json
+++ b/json/tests/draft3/additionalItems.json
@@ -60,6 +60,11 @@
                     "items defaults to empty schema so everything is valid",
                 "data": [ 1, 2, 3, 4, 5 ],
                 "valid": true
+            },
+            {
+                "description": "ignores non-arrays",
+                "data": {"foo" : "bar"},
+                "valid": true
             }
         ]
     },
diff --git a/json/tests/draft3/additionalProperties.json b/json/tests/draft3/additionalProperties.json
index 24bf5c0..c997f75 100644
--- a/json/tests/draft3/additionalProperties.json
+++ b/json/tests/draft3/additionalProperties.json
@@ -16,6 +16,11 @@
                 "description": "an additional property is invalid",
                 "data": {"foo" : 1, "bar" : 2, "quux" : "boom"},
                 "valid": false
+            },
+            {
+                "description": "ignores non-objects",
+                "data": [1, 2, 3],
+                "valid": true
             }
         ]
     },
diff --git a/json/tests/draft3/dependencies.json b/json/tests/draft3/dependencies.json
index 4608402..2f6ae48 100644
--- a/json/tests/draft3/dependencies.json
+++ b/json/tests/draft3/dependencies.json
@@ -24,6 +24,11 @@
                 "description": "missing dependency",
                 "data": {"bar": 2},
                 "valid": false
+            },
+            {
+                "description": "ignores non-objects",
+                "data": "foo",
+                "valid": true
             }
         ]
     },
diff --git a/json/tests/draft3/divisibleBy.json b/json/tests/draft3/divisibleBy.json
index f4a7feb..ef7cc14 100644
--- a/json/tests/draft3/divisibleBy.json
+++ b/json/tests/draft3/divisibleBy.json
@@ -1,37 +1,42 @@
 [
     {
-        "description": "by number",
-        "schema": {"divisibleBy": 1.5},
+        "description": "by int",
+        "schema": {"divisibleBy": 2},
         "tests": [
             {
-                "description": "zero is divisible by anything (except 0)",
-                "data": 0,
+                "description": "int by int",
+                "data": 10,
                 "valid": true
             },
             {
-                "description": "4.5 is divisible by 1.5",
-                "data": 4.5,
-                "valid": true
+                "description": "int by int fail",
+                "data": 7,
+                "valid": false
             },
             {
-                "description": "35 is not divisible by 1.5",
-                "data": 35,
-                "valid": false
+                "description": "ignores non-numbers",
+                "data": "foo",
+                "valid": true
             }
         ]
     },
     {
-        "description": "by int",
-        "schema": {"divisibleBy": 2},
+        "description": "by number",
+        "schema": {"divisibleBy": 1.5},
         "tests": [
             {
-                "description": "int by int",
-                "data": 10,
+                "description": "zero is divisible by anything (except 0)",
+                "data": 0,
                 "valid": true
             },
             {
-                "description": "int by int fail",
-                "data": 7,
+                "description": "4.5 is divisible by 1.5",
+                "data": 4.5,
+                "valid": true
+            },
+            {
+                "description": "35 is not divisible by 1.5",
+                "data": 35,
                 "valid": false
             }
         ]
diff --git a/json/tests/draft3/items.json b/json/tests/draft3/items.json
index 9e16263..f5e18a1 100644
--- a/json/tests/draft3/items.json
+++ b/json/tests/draft3/items.json
@@ -1,41 +1,46 @@
-[

-    {

-        "description": "a schema given for items",

-        "schema": {

-            "items": {"type": "integer"}

-        },

-        "tests": [

-            {

-                "description": "valid items",

-                "data": [ 1, 2, 3 ],

-                "valid": true

-            },

-            {

-                "description": "wrong type of items",

-                "data": [1, "x"],

-                "valid": false

-            }

-        ]

-    },

-    {

-        "description": "an array of schemas for items",

-        "schema": {

-            "items": [

-                {"type": "integer"},

-                {"type": "string"}

-            ]

-        },

-        "tests": [

-            {

-                "description": "correct types",

-                "data": [ 1, "foo" ],

-                "valid": true

-            },

-            {

-                "description": "wrong types",

-                "data": [ "foo", 1 ],

-                "valid": false

-            }

-        ]

-    }

-]
\ No newline at end of file
+[
+    {
+        "description": "a schema given for items",
+        "schema": {
+            "items": {"type": "integer"}
+        },
+        "tests": [
+            {
+                "description": "valid items",
+                "data": [ 1, 2, 3 ],
+                "valid": true
+            },
+            {
+                "description": "wrong type of items",
+                "data": [1, "x"],
+                "valid": false
+            },
+            {
+                "description": "ignores non-arrays",
+                "data": {"foo" : "bar"},
+                "valid": true
+            }
+        ]
+    },
+    {
+        "description": "an array of schemas for items",
+        "schema": {
+            "items": [
+                {"type": "integer"},
+                {"type": "string"}
+            ]
+        },
+        "tests": [
+            {
+                "description": "correct types",
+                "data": [ 1, "foo" ],
+                "valid": true
+            },
+            {
+                "description": "wrong types",
+                "data": [ "foo", 1 ],
+                "valid": false
+            }
+        ]
+    }
+]
diff --git a/json/tests/draft3/maxItems.json b/json/tests/draft3/maxItems.json
index da13fc2..3b53a6b 100644
--- a/json/tests/draft3/maxItems.json
+++ b/json/tests/draft3/maxItems.json
@@ -17,6 +17,11 @@
                 "description": "too long is invalid",
                 "data": [1, 2, 3],
                 "valid": false
+            },
+            {
+                "description": "ignores non-arrays",
+                "data": "foobar",
+                "valid": true
             }
         ]
     }
diff --git a/json/tests/draft3/maxLength.json b/json/tests/draft3/maxLength.json
index 36cba1d..561767b 100644
--- a/json/tests/draft3/maxLength.json
+++ b/json/tests/draft3/maxLength.json
@@ -17,6 +17,11 @@
                 "description": "too long is invalid",
                 "data": "foo",
                 "valid": false
+            },
+            {
+                "description": "ignores non-strings",
+                "data": 10,
+                "valid": true
             }
         ]
     }
diff --git a/json/tests/draft3/maximum.json b/json/tests/draft3/maximum.json
index 3c8cd86..86c7b89 100644
--- a/json/tests/draft3/maximum.json
+++ b/json/tests/draft3/maximum.json
@@ -12,6 +12,11 @@
                 "description": "above the maximum is invalid",
                 "data": 3.5,
                 "valid": false
+            },
+            {
+                "description": "ignores non-numbers",
+                "data": "x",
+                "valid": true
             }
         ]
     },
diff --git a/json/tests/draft3/minItems.json b/json/tests/draft3/minItems.json
index 351fa50..ed51188 100644
--- a/json/tests/draft3/minItems.json
+++ b/json/tests/draft3/minItems.json
@@ -17,6 +17,11 @@
                 "description": "too short is invalid",
                 "data": [],
                 "valid": false
+            },
+            {
+                "description": "ignores non-arrays",
+                "data": "",
+                "valid": true
             }
         ]
     }
diff --git a/json/tests/draft3/minLength.json b/json/tests/draft3/minLength.json
index 795fb08..e9c14b1 100644
--- a/json/tests/draft3/minLength.json
+++ b/json/tests/draft3/minLength.json
@@ -17,6 +17,11 @@
                 "description": "too short is invalid",
                 "data": "f",
                 "valid": false
+            },
+            {
+                "description": "ignores non-strings",
+                "data": 1,
+                "valid": true
             }
         ]
     }
diff --git a/json/tests/draft3/minimum.json b/json/tests/draft3/minimum.json
index d99a899..d5bf000 100644
--- a/json/tests/draft3/minimum.json
+++ b/json/tests/draft3/minimum.json
@@ -12,6 +12,11 @@
                 "description": "below the minimum is invalid",
                 "data": 0.6,
                 "valid": false
+            },
+            {
+                "description": "ignores non-numbers",
+                "data": "x",
+                "valid": true
             }
         ]
     },
diff --git a/json/tests/draft3/optional/bignum.json b/json/tests/draft3/optional/bignum.json
new file mode 100644
index 0000000..47a87d9
--- /dev/null
+++ b/json/tests/draft3/optional/bignum.json
@@ -0,0 +1,13 @@
+[
+    {
+        "description": "support for bignums",
+        "schema": {"type": "integer"},
+        "tests": [
+            {
+                "description": "a bignum is an integer",
+                "data": 12345678910111213141516171819202122232425262728293031,
+                "valid": true
+            }
+        ]
+    }
+]
diff --git a/json/tests/draft3/pattern.json b/json/tests/draft3/pattern.json
index 905930e..befc4b5 100644
--- a/json/tests/draft3/pattern.json
+++ b/json/tests/draft3/pattern.json
@@ -12,6 +12,11 @@
                 "description": "a non-matching pattern is invalid",
                 "data": "abc",
                 "valid": false
+            },
+            {
+                "description": "ignores non-strings",
+                "data": true,
+                "valid": true
             }
         ]
     }
diff --git a/json/tests/draft3/properties.json b/json/tests/draft3/properties.json
index ae9a14c..cd1644d 100644
--- a/json/tests/draft3/properties.json
+++ b/json/tests/draft3/properties.json
@@ -27,6 +27,11 @@
                 "description": "doesn't invalidate other properties",
                 "data": {"quux": []},
                 "valid": true
+            },
+            {
+                "description": "ignores non-objects",
+                "data": [],
+                "valid": true
             }
         ]
     },
diff --git a/json/tests/draft3/type.json b/json/tests/draft3/type.json
index 8f10889..2679ce3 100644
--- a/json/tests/draft3/type.json
+++ b/json/tests/draft3/type.json
@@ -14,6 +14,11 @@
                 "valid": false
             },
             {
+                "description": "a float is not an integer even without fractional part",
+                "data": 1.0,
+                "valid": false
+            },
+            {
                 "description": "a string is not an integer",
                 "data": "foo",
                 "valid": false
diff --git a/json/tests/draft3/uniqueItems.json b/json/tests/draft3/uniqueItems.json
index ee1264e..c1f4ab9 100644
--- a/json/tests/draft3/uniqueItems.json
+++ b/json/tests/draft3/uniqueItems.json
@@ -14,6 +14,11 @@
                 "valid": false
             },
             {
+                "description": "numbers are unique if mathematically unequal",
+                "data": [1.0, 1.00, 1],
+                "valid": false
+            },
+            {
                 "description": "unique array of objects is valid",
                 "data": [{"foo": "bar"}, {"foo": "baz"}],
                 "valid": true