From 66d028942c3246f17f3f86ce40c230041556d27d Mon Sep 17 00:00:00 2001
From: Moonchild <moonchild@palemoon.org>
Date: Fri, 5 Feb 2021 12:44:26 +0000
Subject: Issue #1732 - Implement JSON superset proposal.

This change makes unicode line and paragraph separators allowed in JS strings,
removing the only quirk of the JS string definition that made JSON not a valid
subset of JS.

Resolves #1732
---
 .../eval/line-terminator-paragraph-terminator.js   | 59 ++--------------------
 1 file changed, 5 insertions(+), 54 deletions(-)

(limited to 'js/src/tests/ecma_5/eval')

diff --git a/js/src/tests/ecma_5/eval/line-terminator-paragraph-terminator.js b/js/src/tests/ecma_5/eval/line-terminator-paragraph-terminator.js
index 61047fb10..9a904073a 100644
--- a/js/src/tests/ecma_5/eval/line-terminator-paragraph-terminator.js
+++ b/js/src/tests/ecma_5/eval/line-terminator-paragraph-terminator.js
@@ -3,7 +3,9 @@
 
 //-----------------------------------------------------------------------------
 var BUGNUMBER = 657367;
-var summary = "eval must not parse strings containing U+2028 or U+2029";
+var summary =
+  "eval via the JSON parser should parse strings containing U+2028/U+2029 " +
+  "(as of <https://tc39.github.io/proposal-json-superset/>, that is)";
 
 print(BUGNUMBER + ": " + summary);
 
@@ -11,59 +13,8 @@ print(BUGNUMBER + ": " + summary);
  * BEGIN TEST *
  **************/
 
-function esc(s)
-{
-  return s.split("").map(function(v)
-                         {
-                           var code =
-                             ("000" + v.charCodeAt(0).toString(16)).slice(-4);
-                           return "\\u" + code;
-                         }).join("");
-}
-
-try
-{
-  var r = eval('"\u2028"');
-  throw new Error("\"\\u2028\" didn't throw, returned " + esc(r));
-}
-catch (e)
-{
-  assertEq(e instanceof SyntaxError, true,
-           "U+2028 is not a valid string character");
-}
-
-try
-{
-  var r = eval('("\u2028")');
-  throw new Error("(\"\\u2028\") didn't throw, returned " + esc(r));
-}
-catch (e)
-{
-  assertEq(e instanceof SyntaxError, true,
-           "U+2028 is not a valid string character");
-}
-
-try
-{
-  var r = eval('"\u2029"');
-  throw new Error("\"\\u2029\" didn't throw, returned " + esc(r));
-}
-catch (e)
-{
-  assertEq(e instanceof SyntaxError, true,
-           "U+2029 is not a valid string character");
-}
-
-try
-{
-  var r = eval('("\u2029")');
-  throw new Error("(\"\\u2029\") didn't throw, returned " + esc(r));
-}
-catch (e)
-{
-  assertEq(e instanceof SyntaxError, true,
-           "U+2029 is not a valid string character");
-}
+assertEq(eval('("\u2028")'), "\u2028");
+assertEq(eval('("\u2029")'), "\u2029");
 
 /******************************************************************************/
 
-- 
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