PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` 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() })