tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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helper-thread-params.js (1008B)

      1 // |jit-test| skip-if: helperThreadCount() === 0
      2 
      3 function assertError(thunk) {
      4  let threw = false;
      5  try {
      6    thunk();
      7  } catch (e) {
      8    threw = true;
      9  }
     10  assertEq(threw, true);
     11 }
     12 
     13 let initialHelperThreads = helperThreadCount();
     14 
     15 // Test that setting maxHelperThreads limits the number of threads.
     16 gcparam("helperThreadRatio", 100);
     17 for (let i = 1; i <= initialHelperThreads; i++) {
     18  gcparam("maxHelperThreads", i);
     19  assertEq(gcparam("helperThreadCount"), i);
     20 }
     21 
     22 // Test that setting helperThreadRatio works as expected.
     23 gcparam("maxHelperThreads", 1000);
     24 for (let i = 25; i <= 400; i *= 2) {
     25  gcparam("helperThreadRatio", i);
     26  let ratio = i / 100;
     27  let expected = Math.max(Math.floor(initialHelperThreads * ratio), 1);
     28  assertEq(gcparam("helperThreadCount"), expected);
     29  assertEq(helperThreadCount(), Math.max(initialHelperThreads, expected));
     30 }
     31 
     32 // Test that illegal settings are checked.
     33 assertError(() => gcparam("helperThreadRatio", 0));
     34 assertError(() => gcparam("maxHelperThreads", 0));