1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/verifyProperty-same-value.js b/js/src/tests/test262/harness/verifyProperty-same-value.js
new file mode 100644
index 0000000000..fccc90074b
--- /dev/null
+++ b/js/src/tests/test262/harness/verifyProperty-same-value.js
@@ -0,0 +1,21 @@
+// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: >
+  verifyProperty uses SameValue for value comparison.
+includes: [propertyHelper.js]
+---*/
+
+var obj = {
+  a: NaN,
+  b: -0,
+};
+
+assert(verifyProperty(obj, 'a', { value: NaN }));
+assert(verifyProperty(obj, 'b', { value: -0 }));
+
+assert.throws(Test262Error, function() {
+  verifyProperty(obj, 'b', { value: 0 });
+});
+
+reportCompare(0, 0);