diff --git a/README.md b/README.md
index 12c49c006..d0b464039 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ Who Uses the Test Suite
 
 This suite is being used by:
 
+  * [jsck (a fast JSON validator in CoffeeScript)](https://github.com/pandastrike/jsck)
   * [json-schema-validator (Java)](https://github.com/fge/json-schema-validator)
   * [jsonschema (python)](https://github.com/Julian/jsonschema)
   * [aeson-schema (haskell)](https://github.com/timjb/aeson-schema)
diff --git a/tests/draft3/optional/bignum.json b/tests/draft3/optional/bignum.json
index cd479949c..ccc7c17fe 100644
--- a/tests/draft3/optional/bignum.json
+++ b/tests/draft3/optional/bignum.json
@@ -21,6 +21,28 @@
             }
         ]
     },
+    {
+        "description": "integer",
+        "schema": {"type": "integer"},
+        "tests": [
+            {
+                "description": "a negative bignum is an integer",
+                "data": -12345678910111213141516171819202122232425262728293031,
+                "valid": true
+            }
+        ]
+    },
+    {
+        "description": "number",
+        "schema": {"type": "number"},
+        "tests": [
+            {
+                "description": "a negative bignum is a number",
+                "data": -98249283749234923498293171823948729348710298301928331,
+                "valid": true
+            }
+        ]
+    },
     {
         "description": "string",
         "schema": {"type": "string"},
@@ -56,5 +78,30 @@
                 "valid": false
             }
         ]
+    },
+    {
+        "description": "integer comparison",
+        "schema": {"minimum": -18446744073709551615},
+        "tests": [
+            {
+                "description": "comparison works for very negative numbers",
+                "data": -18446744073709551600,
+                "valid": true
+            }
+        ]
+    },
+    {
+        "description": "float comparison with high precision on negative numbers",
+        "schema": {
+            "minimum": -972783798187987123879878123.18878137,
+            "exclusiveMinimum": true
+        },
+        "tests": [
+            {
+                "description": "comparison works for very negative numbers",
+                "data": -972783798187987123879878123.188781371,
+                "valid": false
+            }
+        ]
     }
 ]
diff --git a/tests/draft4/maxLength.json b/tests/draft4/maxLength.json
index 4de42bcab..811d35b25 100644
--- a/tests/draft4/maxLength.json
+++ b/tests/draft4/maxLength.json
@@ -20,7 +20,7 @@
             },
             {
                 "description": "ignores non-strings",
-                "data": 10,
+                "data": 100,
                 "valid": true
             },
             {
diff --git a/tests/draft4/optional/bignum.json b/tests/draft4/optional/bignum.json
index cd479949c..ccc7c17fe 100644
--- a/tests/draft4/optional/bignum.json
+++ b/tests/draft4/optional/bignum.json
@@ -21,6 +21,28 @@
             }
         ]
     },
+    {
+        "description": "integer",
+        "schema": {"type": "integer"},
+        "tests": [
+            {
+                "description": "a negative bignum is an integer",
+                "data": -12345678910111213141516171819202122232425262728293031,
+                "valid": true
+            }
+        ]
+    },
+    {
+        "description": "number",
+        "schema": {"type": "number"},
+        "tests": [
+            {
+                "description": "a negative bignum is a number",
+                "data": -98249283749234923498293171823948729348710298301928331,
+                "valid": true
+            }
+        ]
+    },
     {
         "description": "string",
         "schema": {"type": "string"},
@@ -56,5 +78,30 @@
                 "valid": false
             }
         ]
+    },
+    {
+        "description": "integer comparison",
+        "schema": {"minimum": -18446744073709551615},
+        "tests": [
+            {
+                "description": "comparison works for very negative numbers",
+                "data": -18446744073709551600,
+                "valid": true
+            }
+        ]
+    },
+    {
+        "description": "float comparison with high precision on negative numbers",
+        "schema": {
+            "minimum": -972783798187987123879878123.18878137,
+            "exclusiveMinimum": true
+        },
+        "tests": [
+            {
+                "description": "comparison works for very negative numbers",
+                "data": -972783798187987123879878123.188781371,
+                "valid": false
+            }
+        ]
     }
 ]