�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` var test = require("tape") var extend = require("./") var mutableExtend = require("./mutable") test("merge", function(assert) { var a = { a: "foo" } var b = { b: "bar" } assert.deepEqual(extend(a, b), { a: "foo", b: "bar" }) assert.end() }) test("replace", function(assert) { var a = { a: "foo" } var b = { a: "bar" } assert.deepEqual(extend(a, b), { a: "bar" }) assert.end() }) test("undefined", function(assert) { var a = { a: undefined } var b = { b: "foo" } assert.deepEqual(extend(a, b), { a: undefined, b: "foo" }) assert.deepEqual(extend(b, a), { a: undefined, b: "foo" }) assert.end() }) test("handle 0", function(assert) { var a = { a: "default" } var b = { a: 0 } assert.deepEqual(extend(a, b), { a: 0 }) assert.deepEqual(extend(b, a), { a: "default" }) assert.end() }) test("is immutable", function (assert) { var record = {} extend(record, { foo: "bar" }) assert.equal(record.foo, undefined) assert.end() }) test("null as argument", function (assert) { var a = { foo: "bar" } var b = null var c = void 0 assert.deepEqual(extend(b, a, c), { foo: "bar" }) assert.end() }) test("mutable", function (assert) { var a = { foo: "bar" } mutableExtend(a, { bar: "baz" }) assert.equal(a.bar, "baz") assert.end() }) test("null prototype", function(assert) { var a = { a: "foo" } var b = Object.create(null) b.b = "bar"; assert.deepEqual(extend(a, b), { a: "foo", b: "bar" }) assert.end() }) test("null prototype mutable", function (assert) { var a = { foo: "bar" } var b = Object.create(null) b.bar = "baz"; mutableExtend(a, b) assert.equal(a.bar, "baz") assert.end() }) test("prototype pollution", function (assert) { var a = {} var maliciousPayload = '{"__proto__":{"oops":"It works!"}}' assert.strictEqual(a.oops, undefined) extend({}, maliciousPayload) assert.strictEqual(a.oops, undefined) assert.end() }) test("prototype pollution mutable", function (assert) { var a = {} var maliciousPayload = '{"__proto__":{"oops":"It works!"}}' assert.strictEqual(a.oops, undefined) mutableExtend({}, maliciousPayload) assert.strictEqual(a.oops, undefined) assert.end() })