1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/deepEqual-mapset.js b/js/src/tests/test262/harness/deepEqual-mapset.js
new file mode 100644
index 0000000000..b5feef9329
--- /dev/null
+++ b/js/src/tests/test262/harness/deepEqual-mapset.js
@@ -0,0 +1,21 @@
+// Copyright 2019 Ron Buckton. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  map/set values compare correctly.
+includes: [deepEqual.js]
+---*/
+
+assert.deepEqual(new Set(), new Set());
+assert.deepEqual(new Set([1, "a", true]), new Set([1, "a", true]));
+assert.deepEqual(new Map(), new Map());
+assert.deepEqual(new Map([[1, "a"], ["b", true]]), new Map([[1, "a"], ["b", true]]));
+
+assert.throws(Test262Error, function () { assert.deepEqual(new Set([]), new Set([1])); });
+assert.throws(Test262Error, function () { assert.deepEqual(new Set([1, "a", true]), new Set([1, "a", false])); });
+assert.throws(Test262Error, function () { assert.deepEqual(new Map([]), new Map([[1, "a"], ["b", true]])); });
+assert.throws(Test262Error, function () { assert.deepEqual(new Map([[1, "a"], ["b", true]]), new Map([[1, "a"], ["b", false]])); });
+assert.throws(Test262Error, function () { assert.deepEqual(new Map([[1, "a"], ["b", true]]), new Set([[1, "a"], ["b", false]])); });
+
+reportCompare(0, 0);