From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 .../tests/ecma_6/Function/rest-parameter-names.js  | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 js/src/tests/ecma_6/Function/rest-parameter-names.js

(limited to 'js/src/tests/ecma_6/Function/rest-parameter-names.js')

diff --git a/js/src/tests/ecma_6/Function/rest-parameter-names.js b/js/src/tests/ecma_6/Function/rest-parameter-names.js
new file mode 100644
index 000000000..6cfa01dcf
--- /dev/null
+++ b/js/src/tests/ecma_6/Function/rest-parameter-names.js
@@ -0,0 +1,68 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1288460;
+var summary =
+  "Rest parameters to functions can be named |yield| or |eval| or |let| in "
+  "non-strict code";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var f1 = (...yield) => yield + 42;
+assertEq(f1(), "42");
+assertEq(f1(1), "142");
+
+var f2 = (...eval) => eval + 42;
+assertEq(f2(), "42");
+assertEq(f2(1), "142");
+
+var f3 = (...let) => let + 42;
+assertEq(f3(), "42");
+assertEq(f3(1), "142");
+
+function g1(x, ...yield)
+{
+  return yield + x;
+}
+assertEq(g1(0, 42), "420");
+
+function g2(x, ...eval)
+{
+  return eval + x;
+}
+assertEq(g2(0, 42), "420");
+
+function g3(x, ...let)
+{
+  return let + x;
+}
+assertEq(g3(0, 42), "420");
+
+function h()
+{
+  "use strict";
+
+  var badNames = ["yield", "eval", "let"];
+
+  for (var badName of ["yield", "eval", "let"])
+  {
+    assertThrowsInstanceOf(() => eval(`var q = (...${badName}) => ${badName} + 42;`),
+                           SyntaxError);
+
+    assertThrowsInstanceOf(() => eval(`function r(x, ...${badName}) { return x + ${badName}; }`),
+                           SyntaxError);
+  }
+}
+h();
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
-- 
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