wasm-01.js - mozsearch

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// |jit-test| skip-if: !wasmDebuggingEnabled()

// Tests that wasm module scripts are available via findScripts.

var g = newGlobal({newCompartment: true});

g.eval(`o = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "" (func 0)))')));`);

function isWasm(script) { return script.format === "wasm"; }

var dbg = new Debugger(g);

var foundScripts1 = dbg.findScripts().filter(isWasm);

assertEq(foundScripts1.length, 1);

var found = foundScripts1[0];

// Add another module, we should be able to find it via findScripts.

g.eval(`o2 = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "a" (func 0)))')));`);

var foundScripts2 = dbg.findScripts().filter(isWasm);

assertEq(foundScripts2.length, 2);

// The first module should be in the list as wrapping the same wasm module

// twice gets the same Debugger.Script.

assertEq(foundScripts2.indexOf(found) !== -1, true);

// The two modules are distinct.

assertEq(foundScripts2[0] !== foundScripts2[1], true);

// We should be able to find the same script via its source.

for (var ws of foundScripts2) {

  var scriptsFromSource = dbg.findScripts({ source: ws.source });

  assertEq(scriptsFromSource.length, 1);

  assertEq(scriptsFromSource[0], ws);