tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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stack.js (825B)

      1 let tag = new WebAssembly.Tag({parameters: []});
      2 
      3 function construct(options) {
      4 return new WebAssembly.Exception(tag, [], options);
      5 }
      6 function noStack(options) {
      7 assertEq(construct(options).stack, undefined, 'no stack');
      8 }
      9 function hasStack(options) {
     10 assertEq(typeof construct(options).stack === 'string', true, 'has stack');
     11 }
     12 
     13 // Test valid option constructors
     14 noStack(undefined);
     15 noStack(null);
     16 noStack({});
     17 noStack({traceStack: false});
     18 noStack({traceStack: 0});
     19 hasStack({traceStack: true});
     20 hasStack({traceStack: 1});
     21 
     22 // Test invalid option constructors
     23 assertErrorMessage(() => construct('not an object'), TypeError, /cannot be converted/);
     24 
     25 // Test that 'stack' is read-only
     26 let exception = construct({traceStack: true});
     27 exception.stack = 0;
     28 assertEq(typeof exception.stack === 'string', true, 'is read-only');