Add m-esr52 at 52.6.0

1 files changed, 57 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Syntax/escaped-let-static-identifier.js b/js/src/tests/ecma_6/Syntax/escaped-let-static-identifier.js
new file mode 100644
index 000000000..a4353a516
--- /dev/null
+++ b/js/src/tests/ecma_6/Syntax/escaped-let-static-identifier.js
@@ -0,0 +1,57 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1288460;
+var summary =
+  "|let| and |static| are forbidden as Identifier only in strict mode code, " +
+  "and it's permissible to use them as Identifier (with or without " +
+  "containing escapes) in non-strict code";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function t(code)
+{
+  var strictSemi = " 'use strict'; " + code;
+  var strictASI = " 'use strict' \n " + code;
+
+  var creationFunctions = [Function];
+  if (typeof evaluate === "function")
+    creationFunctions.push(evaluate);
+  if (typeof parseModule === "function")
+    creationFunctions.push(parseModule);
+
+  for (var func of creationFunctions)
+  {
+    if (typeof parseModule === "function" && func === parseModule)
+      assertThrowsInstanceOf(() => func(code), SyntaxError);
+    else
+      func(code);
+
+    assertThrowsInstanceOf(() => func(strictSemi), SyntaxError);
+    assertThrowsInstanceOf(() => func(strictASI), SyntaxError);
+  }
+}
+
+t("l\\u0065t: 42;");
+t("if (1) l\\u0065t: 42;");
+t("l\\u0065t = 42;");
+t("if (1) l\\u0065t = 42;");
+
+t("st\\u0061tic: 42;");
+t("if (1) st\\u0061tic: 42;");
+t("st\\u0061tic = 42;");
+t("if (1) st\\u0061tic = 42;");
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");