tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Debugger-findScripts-uncompleted-02.js (1242B)

      1 // Uncompleted scripts shouldn't be found in findScripts.
      2 
      3 let g = newGlobal({newCompartment: true});
      4 let dbg = new Debugger(g);
      5 
      6 let message = "";
      7 try {
      8  g.eval(`
      9 (function nonLazyOuter() {
     10  (function nonLazyInner() {
     11    function lazy1() {
     12      function lazy2() {
     13      }
     14    }
     15  })();
     16 })();
     17 
     18 (function uncompletedNonLazy() {
     19  (function completedNonLazy() {
     20    function lazyInCompleted1() {
     21      function lazyInCompleted2() {
     22      }
     23    }
     24  })();
     25  // completedNonLazy and its inner scripts can be exposed to debugger since
     26  // the compilation for completedNonLazy finishes, even if the enclosing
     27  // uncompletedNonLazy fails to compile.
     28  switch (1) {
     29    ${"case 1:".repeat(2**16+1)}
     30  }
     31 })();
     32 `);
     33 } catch (e) {
     34  message = e.message;
     35 }
     36 
     37 assertEq(message.includes("too many switch cases"), true,
     38         "Error for switch-case should be thrown," +
     39         "in order to test the case that uncompleted script is created");
     40 
     41 let actualNames = [];
     42 for (var script of dbg.findScripts()) {
     43  // Since all of above scripts can be GCed, we cannot check the set of
     44  // found scripts.
     45  if (script.displayName) {
     46    assertEq(script.displayName != "uncompletedNonLazy", true,
     47             "Uncompiled script shouldn't be found");
     48  }
     49 }