wasm-03.js - mozsearch

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

// Tests that wasm module scripts have synthesized sources.

load(libdir + "asserts.js");

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

var dbg = new Debugger(g);

var s;

dbg.onNewScript = (script) => {

  s = script;

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

assertEq(s.format, "wasm");

var source = s.source;

assertEq(s.source, source);

assertEq(source.introductionType, "wasm");

assertEq(source.introductionScript, s);

// Wasm sources shouldn't be considered source mapped.

assertEq(!source.sourceMapURL, true);

assertThrowsInstanceOf(() => source.sourceMapURL = 'foo', Error);

// We must have some text.

assertEq(!!source.text, true);

// TODOshu: Wasm is moving very fast and what we return for these values is

// currently not interesting to test. Instead, test that they do not throw.

source.url;

source.displayURL;

source.introductionOffset;

source.elementAttributeName;