text: var inspect = require('../');
  var test = require('tape');
  
  test('values', function (t) {
      t.plan(1);
      var obj = [{}, [], { 'a-b': 5 }];
      t.equal(inspect(obj), '[ {}, [], { \'a-b\': 5 } ]');
  });
  
  test('arrays with properties', function (t) {
      t.plan(1);
      var arr = [3];
      arr.foo = 'bar';
      var obj = [1, 2, arr];
      obj.baz = 'quux';
      obj.index = -1;
      t.equal(inspect(obj), '[ 1, 2, [ 3, foo: \'bar\' ], baz: \'quux\', index: -1 ]');
  });
  
  test('has', function (t) {
      t.plan(1);
      var has = Object.prototype.hasOwnProperty;
      delete Object.prototype.hasOwnProperty;
      t.equal(inspect({ a: 1, b: 2 }), '{ a: 1, b: 2 }');
      Object.prototype.hasOwnProperty = has; // eslint-disable-line no-extend-native
  });
  
  test('indexOf seen', function (t) {
      t.plan(1);
      var xs = [1, 2, 3, {}];
      xs.push(xs);
  
      var seen = [];
      seen.indexOf = undefined;
  
      t.equal(
          inspect(xs, {}, 0, seen),
          '[ 1, 2, 3, {}, [Circular] ]'
      );
  });
  
  test('seen seen', function (t) {
      t.plan(1);
      var xs = [1, 2, 3];
  
      var seen = [xs];
      seen.indexOf = undefined;
  
      t.equal(
          inspect(xs, {}, 0, seen),
          '[Circular]'
      );
  });
  
  test('seen seen seen', function (t) {
      t.plan(1);
      var xs = [1, 2, 3];
  
      var seen = [5, xs];
      seen.indexOf = undefined;
  
      t.equal(
          inspect(xs, {}, 0, seen),
          '[Circular]'
      );
  });
  
  test('symbols', { skip: typeof Symbol !== 'function' }, function (t) {
      var sym = Symbol('foo');
      t.equal(inspect(sym), 'Symbol(foo)', 'Symbol("foo") should be "Symbol(foo)"');
      t.equal(inspect(Object(sym)), 'Object(Symbol(foo))', 'Object(Symbol("foo")) should be "Object(Symbol(foo))"');
      t.end();
  });
  
  test('Map', { skip: typeof Map !== 'function' }, function (t) {
      var map = new Map();
      map.set({ a: 1 }, ['b']);
      map.set(3, NaN);
      var expectedString = 'Map (2) {' + inspect({ a: 1 }) + ' => ' + inspect(['b']) + ', 3 => NaN}';
      t.equal(inspect(map), expectedString, 'new Map([[{ a: 1 }, ["b"]], [3, NaN]]) should show size and contents');
      t.equal(inspect(new Map()), 'Map (0) {}', 'empty Map should show as empty');
  
      var nestedMap = new Map();
      nestedMap.set(nestedMap, map);
      t.equal(inspect(nestedMap), 'Map (1) {[Circular] => ' + expectedString + '}', 'Map containing a Map should work');
  
      t.end();
  });
  
  test('WeakMap', { skip: typeof WeakMap !== 'function' }, function (t) {
      var map = new WeakMap();
      map.set({ a: 1 }, ['b']);
      var expectedString = 'WeakMap { ? }';
      t.equal(inspect(map), expectedString, 'new WeakMap([[{ a: 1 }, ["b"]]]) should not show size or contents');
      t.equal(inspect(new WeakMap()), 'WeakMap { ? }', 'empty WeakMap should not show as empty');
  
      t.end();
  });
  
  test('Set', { skip: typeof Set !== 'function' }, function (t) {
      var set = new Set();
      set.add({ a: 1 });
      set.add(['b']);
      var expectedString = 'Set (2) {' + inspect({ a: 1 }) + ', ' + inspect(['b']) + '}';
      t.equal(inspect(set), expectedString, 'new Set([{ a: 1 }, ["b"]]) should show size and contents');
      t.equal(inspect(new Set()), 'Set (0) {}', 'empty Set should show as empty');
  
      var nestedSet = new Set();
      nestedSet.add(set);
      nestedSet.add(nestedSet);
      t.equal(inspect(nestedSet), 'Set (2) {' + expectedString + ', [Circular]}', 'Set containing a Set should work');
  
      t.end();
  });
  
  test('WeakSet', { skip: typeof WeakSet !== 'function' }, function (t) {
      var map = new WeakSet();
      map.add({ a: 1 });
      var expectedString = 'WeakSet { ? }';
      t.equal(inspect(map), expectedString, 'new WeakSet([{ a: 1 }]) should not show size or contents');
      t.equal(inspect(new WeakSet()), 'WeakSet { ? }', 'empty WeakSet should not show as empty');
  
      t.end();
  });
  
  test('WeakRef', { skip: typeof WeakRef !== 'function' }, function (t) {
      var ref = new WeakRef({ a: 1 });
      var expectedString = 'WeakRef { ? }';
      t.equal(inspect(ref), expectedString, 'new WeakRef({ a: 1 }) should not show contents');
  
      t.end();
  });
  
  test('FinalizationRegistry', { skip: typeof FinalizationRegistry !== 'function' }, function (t) {
      var registry = new FinalizationRegistry(function () {});
      var expectedString = 'FinalizationRegistry [FinalizationRegistry] {}';
      t.equal(inspect(registry), expectedString, 'new FinalizationRegistry(function () {}) should work normallys');
  
      t.end();
  });
  
  test('Strings', function (t) {
      var str = 'abc';
  
      t.equal(inspect(str), "'" + str + "'", 'primitive string shows as such');
      t.equal(inspect(str, { quoteStyle: 'single' }), "'" + str + "'", 'primitive string shows as such, single quoted');
      t.equal(inspect(str, { quoteStyle: 'double' }), '"' + str + '"', 'primitive string shows as such, double quoted');
      t.equal(inspect(Object(str)), 'Object(' + inspect(str) + ')', 'String object shows as such');
      t.equal(inspect(Object(str), { quoteStyle: 'single' }), 'Object(' + inspect(str, { quoteStyle: 'single' }) + ')', 'String object shows as such, single quoted');
      t.equal(inspect(Object(str), { quoteStyle: 'double' }), 'Object(' + inspect(str, { quoteStyle: 'double' }) + ')', 'String object shows as such, double quoted');
  
      t.end();
  });
  
  test('Numbers', function (t) {
      var num = 42;
  
      t.equal(inspect(num), String(num), 'primitive number shows as such');
      t.equal(inspect(Object(num)), 'Object(' + inspect(num) + ')', 'Number object shows as such');
  
      t.end();
  });
  
  test('Booleans', function (t) {
      t.equal(inspect(true), String(true), 'primitive true shows as such');
      t.equal(inspect(Object(true)), 'Object(' + inspect(true) + ')', 'Boolean object true shows as such');
  
      t.equal(inspect(false), String(false), 'primitive false shows as such');
      t.equal(inspect(Object(false)), 'Object(' + inspect(false) + ')', 'Boolean false object shows as such');
  
      t.end();
  });
  
  test('Date', function (t) {
      var now = new Date();
      t.equal(inspect(now), String(now), 'Date shows properly');
      t.equal(inspect(new Date(NaN)), 'Invalid Date', 'Invalid Date shows properly');
  
      t.end();
  });
  
  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]+/);
      delete match.groups; // for node < 10
      t.equal(inspect(match), '[ \'ab\', index: 0, input: \'abc abc\' ]', 'RegExp match object shows properly');
  
      t.end();
  });
  