1 files changed, 99 insertions, 0 deletions
diff --git a/js/src/tests/non262/extensions/keyword-unescaped-requirement-modules.js b/js/src/tests/non262/extensions/keyword-unescaped-requirement-modules.js
new file mode 100644
index 0000000000..260948cfed
--- /dev/null
+++ b/js/src/tests/non262/extensions/keyword-unescaped-requirement-modules.js
@@ -0,0 +1,99 @@
+/*
+ * 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 *
+ **************/
+
+var badModules =
+  [
+   "\\u0069mport f from 'g'",
+   "i\\u006dport g from 'h'",
+   "import * \\u0061s foo",
+   "import {} fro\\u006d 'bar'",
+   "import { x \\u0061s y } from 'baz'",
+
+   "\\u0065xport function f() {}",
+   "e\\u0078port function g() {}",
+   "export * fro\\u006d 'fnord'",
+   "export d\\u0065fault var x = 3;",
+   "export { q } fro\\u006d 'qSupplier';",
+
+  ];
+
+if (typeof parseModule === "function")
+{
+  for (var module of badModules)
+  {
+    assertThrowsInstanceOf(() => parseModule(module), SyntaxError,
+                           "bad behavior for: " + module);
+  }
+}
+
+if (typeof Reflect.parse === "function")
+{
+  var twoStatementAST =
+    Reflect.parse(`let x = 0;
+                  export { x } /* ASI should trigger here */
+                  fro\\u006D`,
+                  { target: "module" });
+
+  var statements = twoStatementAST.body;
+  assertEq(statements.length, 3,
+           "should have two items in the module, not one ExportDeclaration");
+  assertEq(statements[0].type, "VariableDeclaration");
+  assertEq(statements[1].type, "ExportDeclaration");
+  assertEq(statements[2].type, "ExpressionStatement");
+  assertEq(statements[2].expression.name, "from");
+
+  var oneStatementAST =
+    Reflect.parse(`export { x } /* no ASI here */
+                  from 'foo'`,
+                  { target: "module" });
+
+  assertEq(oneStatementAST.body.length, 1);
+  assertEq(oneStatementAST.body[0].type, "ExportDeclaration");
+
+  twoStatementAST =
+    Reflect.parse(`export { x } from "bar"
+                  /bar/g`,
+                  { target: "module" });
+
+  statements = twoStatementAST.body;
+  assertEq(statements.length, 2,
+           "should have two items in the module, not one ExportDeclaration");
+  assertEq(statements[0].type, "ExportDeclaration");
+  assertEq(statements[1].type, "ExpressionStatement");
+  assertEq(statements[1].expression.type, "Literal");
+  assertEq(statements[1].expression.value.toString(), "/bar/g");
+
+  twoStatementAST =
+    Reflect.parse(`export * from "bar"
+                  /bar/g`,
+                  { target: "module" });
+
+  statements = twoStatementAST.body;
+  assertEq(statements.length, 2,
+           "should have two items in the module, not one ExportDeclaration");
+  assertEq(statements[0].type, "ExportDeclaration");
+  assertEq(statements[1].type, "ExpressionStatement");
+  assertEq(statements[1].expression.type, "Literal");
+  assertEq(statements[1].expression.value.toString(), "/bar/g");
+}
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");