[Tests] add passing tests

Author: ljharb

test/circular.js

@@ -2,8 +2,15 @@ var inspect = require('../');
 var test = require('tape');
 
 test('circular', function (t) {
-    t.plan(1);
+    t.plan(2);
     var obj = { a: 1, b: [3, 4] };
     obj.c = obj;
     t.equal(inspect(obj), '{ a: 1, b: [ 3, 4 ], c: [Circular] }');
+
+    var double = {};
+    double.a = [double];
+    double.b = {};
+    double.b.inner = double.b;
+    double.b.obj = double;
+    t.equal(inspect(double), '{ a: [ [Circular] ], b: { inner: [Circular], obj: [Circular] } }');
 });

test/deep.js

@@ -2,8 +2,9 @@ var inspect = require('../');
 var test = require('tape');
 
 test('deep', function (t) {
-    t.plan(2);
+    t.plan(3);
     var obj = [[[[[[500]]]]]];
     t.equal(inspect(obj), '[ [ [ [ [ [Array] ] ] ] ] ]');
+    t.equal(inspect(obj, { depth: 4 }), '[ [ [ [ [Array] ] ] ] ]');
     t.equal(inspect(obj, { depth: 2 }), '[ [ [Array] ] ]');
 });

test/values.js

@@ -167,5 +167,8 @@ test('RegExps', function (t) {
     t.equal(inspect(/a/g), '/a/g', 'regex shows properly');
     t.equal(inspect(new RegExp('abc', 'i')), '/abc/i', 'new RegExp shows properly');
 
+    var match = 'abc abc'.match(/[ab]+/);
+    t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\', groups: undefined ]', 'RegExp match object shows properly');
+
     t.end();
 });