tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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keyword-unescaped-requirement-modules.js (3073B)

      1 /*
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/licenses/publicdomain/
      4 */
      5 
      6 //-----------------------------------------------------------------------------
      7 var BUGNUMBER = 1204027;
      8 var summary =
      9  "Escape sequences aren't allowed in bolded grammar tokens (that is, in " +
     10  "keywords, possibly contextual keywords)";
     11 
     12 print(BUGNUMBER + ": " + summary);
     13 
     14 /**************
     15 * BEGIN TEST *
     16 **************/
     17 
     18 var badModules =
     19  [
     20   "\\u0069mport f from 'g'",
     21   "i\\u006dport g from 'h'",
     22   "import * \\u0061s foo",
     23   "import {} fro\\u006d 'bar'",
     24   "import { x \\u0061s y } from 'baz'",
     25 
     26   "\\u0065xport function f() {}",
     27   "e\\u0078port function g() {}",
     28   "export * fro\\u006d 'fnord'",
     29   "export d\\u0065fault var x = 3;",
     30   "export { q } fro\\u006d 'qSupplier';",
     31 
     32  ];
     33 
     34 if (typeof parseModule === "function")
     35 {
     36  for (var module of badModules)
     37  {
     38    assertThrowsInstanceOf(() => parseModule(module), SyntaxError,
     39                           "bad behavior for: " + module);
     40  }
     41 }
     42 
     43 if (typeof Reflect.parse === "function")
     44 {
     45  var twoStatementAST =
     46    Reflect.parse(`let x = 0;
     47                  export { x } /* ASI should trigger here */
     48                  fro\\u006D`,
     49                  { target: "module" });
     50 
     51  var statements = twoStatementAST.body;
     52  assertEq(statements.length, 3,
     53           "should have two items in the module, not one ExportDeclaration");
     54  assertEq(statements[0].type, "VariableDeclaration");
     55  assertEq(statements[1].type, "ExportDeclaration");
     56  assertEq(statements[2].type, "ExpressionStatement");
     57  assertEq(statements[2].expression.name, "from");
     58 
     59  var oneStatementAST =
     60    Reflect.parse(`export { x } /* no ASI here */
     61                  from 'foo'`,
     62                  { target: "module" });
     63 
     64  assertEq(oneStatementAST.body.length, 1);
     65  assertEq(oneStatementAST.body[0].type, "ExportDeclaration");
     66 
     67  twoStatementAST =
     68    Reflect.parse(`export { x } from "bar"
     69                  /bar/g`,
     70                  { target: "module" });
     71 
     72  statements = twoStatementAST.body;
     73  assertEq(statements.length, 2,
     74           "should have two items in the module, not one ExportDeclaration");
     75  assertEq(statements[0].type, "ExportDeclaration");
     76  assertEq(statements[1].type, "ExpressionStatement");
     77  assertEq(statements[1].expression.type, "Literal");
     78  assertEq(statements[1].expression.value.toString(), "/bar/g");
     79 
     80  twoStatementAST =
     81    Reflect.parse(`export * from "bar"
     82                  /bar/g`,
     83                  { target: "module" });
     84 
     85  statements = twoStatementAST.body;
     86  assertEq(statements.length, 2,
     87           "should have two items in the module, not one ExportDeclaration");
     88  assertEq(statements[0].type, "ExportDeclaration");
     89  assertEq(statements[1].type, "ExpressionStatement");
     90  assertEq(statements[1].expression.type, "Literal");
     91  assertEq(statements[1].expression.value.toString(), "/bar/g");
     92 }
     93 
     94 /******************************************************************************/
     95 
     96 if (typeof reportCompare === "function")
     97  reportCompare(true, true);
     98 
     99 print("Tests complete");