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-rw-r--r--js/src/tests/test262/built-ins/JSON/parse/text-negative-zero.js23
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diff --git a/js/src/tests/test262/built-ins/JSON/parse/text-negative-zero.js b/js/src/tests/test262/built-ins/JSON/parse/text-negative-zero.js
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index 0000000000..198c6d70e3
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+++ b/js/src/tests/test262/built-ins/JSON/parse/text-negative-zero.js
@@ -0,0 +1,23 @@
+// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-json.parse
+description: >
+ Top-level negative zero surrounded by whitespace is parsed correctly.
+info: |
+ JSON.parse ( text [ , reviver ] )
+
+ 1. Let JText be ? ToString(text).
+ 2. Parse JText interpreted as UTF-16 encoded Unicode points (6.1.4) as a JSON
+ text as specified in ECMA-404. Throw a SyntaxError exception if JText is not
+ a valid JSON text as defined in that specification.
+---*/
+
+assert.sameValue(JSON.parse('-0'), -0);
+assert.sameValue(JSON.parse(' \n-0'), -0);
+assert.sameValue(JSON.parse('-0 \t'), -0);
+assert.sameValue(JSON.parse('\n\t -0\n '), -0);
+
+assert.sameValue(JSON.parse(-0), 0);
+
+reportCompare(0, 0);