1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/tests/non262/syntax/keyword-unescaped-requirement.js b/js/src/tests/non262/syntax/keyword-unescaped-requirement.js
new file mode 100644
index 0000000000..eb6edd57db
--- /dev/null
+++ b/js/src/tests/non262/syntax/keyword-unescaped-requirement.js
@@ -0,0 +1,68 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 1204027;
+var summary =
+  "Escape sequences aren't allowed in bolded grammar tokens (that is, in " +
+  "keywords, possibly contextual keywords)";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function memberVariants(code)
+{
+  return ["(class { constructor() {} " + code + " });",
+          "({ " + code + " })"];
+}
+
+var badScripts =
+  [
+   "class { st\\u0061tic m() { return 0; } }",
+   "class { st\\u0061tic get foo() { return 0; } }",
+   "class { st\\u0061tic set foo(v) {} }",
+   "class { st\\u0061tic get ['hi']() { return 0; } }",
+   "class { st\\u0061tic set ['hi'](v) {} }",
+   "class { st\\u0061tic get 'hi'() { return 0; } }",
+   "class { st\\u0061tic set 'hi'(v) {} }",
+   "class { st\\u0061tic get 42() { return 0; } }",
+   "class { st\\u0061tic set 42(v) {} }",
+   ...memberVariants("\\u0067et foo() { return 0; }"),
+   ...memberVariants("\\u0073et foo() {}"),
+   ...memberVariants("g\\u0065t foo() { return 0; }"),
+   ...memberVariants("s\\u0065t foo() {}"),
+   ...memberVariants("g\\u0065t ['hi']() { return 0; }"),
+   ...memberVariants("s\\u0065t ['hi']() {}"),
+   ...memberVariants("g\\u0065t 'hi'() { return 0; }"),
+   ...memberVariants("s\\u0065t 'hi'() {}"),
+   ...memberVariants("g\\u0065t 42() { return 0; }"),
+   ...memberVariants("s\\u0065t 42() {}"),
+   "for (var foo o\\u0066 [1]) ;",
+   "for (var foo \\u006ff [1]) ;",
+   "for (var foo i\\u006e [1]) ;",
+   "for (var foo \\u0069n [1]) ;",
+   "function f() { return n\\u0065w.target }",
+   "function f() { return \\u006eew.target }",
+   "function f() { return new.t\\u0061rget }",
+   "function f() { return new.\\u0074arget }",
+   "function f() { return n\\u0065w Array }",
+   "function f() { return \\u006eew Array }",
+   "\\u0064o {  } while (0)",
+   "[for (x \\u006ff [1]) x]",
+   "[for (x o\\u0066 [1]) x]",
+  ];
+
+for (var script of badScripts)
+  assertThrowsInstanceOf(() => Function(script), SyntaxError);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");