Test encoding/decoding immutable tuple objects.

package.json

@@ -18,6 +18,7 @@
  "debug": "node ./node_modules/mocha/bin/mocha --debug-brk --reporter spec --full-trace"
  },
  "devDependencies": {
- "mocha": "~5.0.0"
+ "mocha": "~5.0.0",
+ "immutable-tuple": "^0.4.2"
  }
 }

test/tests.js

@@ -128,4 +128,29 @@ describe("encoding and decoding", function () {
  var copy = arson.decode(arson.encode(global));
  assert.strictEqual(copy.global, copy);
  });
+
+ it("should preserve identity of immutable tuples", function () {
+ var tuple = require("immutable-tuple").tuple;
+
+ arson.registerType("tuple", {
+ deconstruct: function (t) {
+ if (tuple.isTuple(t)) {
+ return Array.from(t);
+ }
+ },
+
+ reconstruct: function (entries) {
+ if (entries) {
+ return tuple.apply(null, entries);
+ }
+ }
+ });
+
+ var t1 = tuple(1, 2, tuple(3, 4), 5);
+ var input = ["asdf", t1, true];
+ var output = arson.decode(arson.encode(input));
+
+ assert.notStrictEqual(input, output);
+ assert.strictEqual(output[1], t1);
+ });
 });