Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 23 insertions, 0 deletions

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
new file mode 100644
index 0000000000..198c6d70e3
--- /dev/null
+++ 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);