tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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WeakMap-constructor-5.js (780B)

      1 // new WeakMap(arr) throws if arr contains holes (or undefined values).
      2 
      3 load(libdir + "asserts.js");
      4 
      5 var k1 = {};
      6 var v1 = 42;
      7 var k2 = {};
      8 var v2 = 43;
      9 var k3 = {};
     10 var v3 = {};
     11 
     12 assertThrowsInstanceOf(function () { new WeakMap([undefined]); }, TypeError);
     13 assertThrowsInstanceOf(function () { new WeakMap([null]); }, TypeError);
     14 assertThrowsInstanceOf(function () { new WeakMap([[k1, v1], [k2, v2], , [k3, k3]]); }, TypeError);
     15 assertThrowsInstanceOf(function () { new WeakMap([[k1, v1], [k2, v2], ,]); }, TypeError);
     16 
     17 // new WeakMap(iterable) throws if iterable doesn't have array-like objects
     18 
     19 assertThrowsInstanceOf(function () { new WeakMap([1, 2, 3]); }, TypeError);
     20 assertThrowsInstanceOf(function () {
     21  let s = new Set([1, 2, "abc"]);
     22  new WeakMap(s);
     23 }, TypeError);