tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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using-in-function.js (1280B)

      1 // |jit-test| skip-if: !getBuildConfiguration("explicit-resource-management"); --enable-explicit-resource-management
      2 
      3 load(libdir + "asserts.js");
      4 
      5 const disposed = [];
      6 function testDisposalsInFunction() {
      7  using a = { [Symbol.dispose]: () => disposed.push("a") };
      8  using b = { [Symbol.dispose]: () => disposed.push("b") };
      9  using c = { [Symbol.dispose]: () => disposed.push("c") };
     10  disposed.push("d");
     11 }
     12 testDisposalsInFunction();
     13 assertArrayEq(disposed, ["d", "c", "b", "a"]);
     14 
     15 const disposedInFunctionAndBlock = [];
     16 function testDisposalsInFunctionAndBlock() {
     17  using a = {
     18    [Symbol.dispose]: () => disposedInFunctionAndBlock.push("a")
     19  };
     20 
     21  using b = {
     22    [Symbol.dispose]: () => disposedInFunctionAndBlock.push("b")
     23  };
     24 
     25  {
     26    using c = {
     27      [Symbol.dispose]: () => disposedInFunctionAndBlock.push("c")
     28    };
     29 
     30    {
     31      using d = {
     32        [Symbol.dispose]: () => disposedInFunctionAndBlock.push("d")
     33      };
     34    }
     35 
     36    using e = {
     37      [Symbol.dispose]: () => disposedInFunctionAndBlock.push("e")
     38    };
     39  }
     40 
     41  using f = {
     42    [Symbol.dispose]: () => disposedInFunctionAndBlock.push("f")
     43  };
     44 
     45  disposedInFunctionAndBlock.push("g");
     46 }
     47 testDisposalsInFunctionAndBlock();
     48 assertArrayEq(disposedInFunctionAndBlock, ["d", "e", "c", "g", "f", "b", "a"]);