tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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wasm-binary-sources.js (1063B)

      1 // |jit-test| skip-if: !wasmDebuggingEnabled()
      2 
      3 // Tests that wasm module scripts have access to binary sources.
      4 
      5 load(libdir + "asserts.js");
      6 load(libdir + "array-compare.js");
      7 
      8 var g = newGlobal({newCompartment: true});
      9 var dbg = new Debugger(g);
     10 
     11 var s;
     12 dbg.onNewScript = (script) => {
     13  s = script;
     14 }
     15 
     16 g.eval(`o = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "" (func 0)))')));`);
     17 assertEq(s.format, "wasm");
     18 
     19 var source = s.source;
     20 
     21 // The text is never generated with the native Debugger API.
     22 assertEq(source.text.includes('module'), false);
     23 
     24 g.eval(`o = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "" (func 0)))')));`);
     25 assertEq(s.format, "wasm");
     26 
     27 var source2 = s.source;
     28 
     29 // The text is predefined if wasm binary sources are enabled.
     30 assertEq(source2.text, '[debugger missing wasm binary-to-text conversion]');
     31 // The binary contains Uint8Array which is equal to wasm bytecode;
     32 arraysEqual(source2.binary, wasmTextToBinary('(module (func) (export "" (func 0)))'));