using object-inspect for comparisons, passing the undef test

lib/results.js

@@ -1,8 +1,8 @@
 var EventEmitter = require('events').EventEmitter;
 var inherits = require('inherits');
-var json = typeof JSON === 'object' ? JSON : require('jsonify');
 var through = require('through');
 var resumer = require('resumer');
+var inspect = require('object-inspect');
 var nextTick = typeof setImmediate !== 'undefined'
     ? setImmediate
     : process.nextTick
@@ -141,8 +141,8 @@ function encodeResult (res, count) {
     output += outer + '---\n';
     output += inner + 'operator: ' + res.operator + '\n';
 
-    var ex = json.stringify(res.expected, getSerialize()) || '';
-    var ac = json.stringify(res.actual, getSerialize()) || '';
+    var ex = inspect(res.expected);
+    var ac = inspect(res.actual);
 
     if (Math.max(ex.length, ac.length) > 65) {
         output += inner + 'expected:\n' + inner + '  ' + ex + '\n';
@@ -168,27 +168,6 @@ function encodeResult (res, count) {
     return output;
 }
 
-function getSerialize () {
-    var seen = [];
-
-    return function (key, value) {
-        var ret = value;
-        if (typeof value === 'object' && value) {
-            var found = false;
-            for (var i = 0; i < seen.length; i++) {
-                if (seen[i] === value) {
-                    found = true
-                    break;
-                }
-            }
-
-            if (found) ret = '[Circular]'
-            else seen.push(value)
-        }
-        return ret;
-    };
-}
-
 function getNextTest (results) {
     if (!results._only) {
         return results.tests.shift();

package.json

@@ -1,55 +1,57 @@
 {
-    "name" : "tape",
-    "version" : "2.6.0",
-    "description" : "tap-producing test harness for node and browsers",
-    "main" : "index.js",
-    "bin" : "./bin/tape",
-    "directories" : {
-        "example" : "example",
-        "test" : "test"
-    },
-    "dependencies" : {
-        "jsonify" : "~0.0.0",
-        "deep-equal" : "~0.2.0",
-        "defined" : "~0.0.0",
-        "through": "~2.3.4",
-        "resumer": "~0.0.0",
-        "inherits": "~2.0.1"
-    },
-    "devDependencies" : {
-        "tap" : "~0.3.0",
-        "falafel" : "~0.1.4"
-    },
-    "scripts" : {
-        "test" : "tap test/*.js"
-    },
-    "testling" : {
-        "files" : "test/browser/*.js",
-        "browsers" : [
-            "ie/6..latest",
-            "chrome/20..latest",
-            "firefox/10..latest",
-            "safari/latest",
-            "opera/11.0..latest",
-            "iphone/6", "ipad/6"
-        ]
-    },
-    "repository" : {
-        "type" : "git",
-        "url" : "git://github.com/substack/tape.git"
-    },
-    "homepage" : "https://github.com/substack/tape",
-    "keywords" : [
-        "tap",
-        "test",
-        "harness",
-        "assert",
-        "browser"
-    ],
-    "author" : {
-        "name" : "James Halliday",
-        "email" : "[email protected]",
-        "url" : "http://substack.net"
-    },
-    "license" : "MIT"
+  "name": "tape",
+  "version": "2.6.0",
+  "description": "tap-producing test harness for node and browsers",
+  "main": "index.js",
+  "bin": "./bin/tape",
+  "directories": {
+    "example": "example",
+    "test": "test"
+  },
+  "dependencies": {
+    "deep-equal": "~0.2.0",
+    "defined": "~0.0.0",
+    "inherits": "~2.0.1",
+    "object-inspect": "~0.3.0",
+    "resumer": "~0.0.0",
+    "through": "~2.3.4"
+  },
+  "devDependencies": {
+    "tap": "~0.3.0",
+    "concat": "~1.4.1",
+    "falafel": "~0.1.4"
+  },
+  "scripts": {
+    "test": "tap test/*.js"
+  },
+  "testling": {
+    "files": "test/browser/*.js",
+    "browsers": [
+      "ie/6..latest",
+      "chrome/20..latest",
+      "firefox/10..latest",
+      "safari/latest",
+      "opera/11.0..latest",
+      "iphone/6",
+      "ipad/6"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/tape.git"
+  },
+  "homepage": "https://github.com/substack/tape",
+  "keywords": [
+    "tap",
+    "test",
+    "harness",
+    "assert",
+    "browser"
+  ],
+  "author": {
+    "name": "James Halliday",
+    "email": "[email protected]",
+    "url": "http://substack.net"
+  },
+  "license": "MIT"
 }

test/circular-things.js

@@ -20,7 +20,7 @@ tap.test('circular test', function (assert) {
                 , name: " should be equal"
                 , operator: "equal"
                 , expected: "{}"
-                , actual: '{"circular":"[Circular]"}'
+                , actual: '{ circular: [Circular] }'
             }
             , "tests 1"
             , "pass  0"