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Test Info: Errors
- This test failed 4 times in the preceding 30 days. quicksearch this test
- Manifest: dom/promise/tests/mochitest.toml
<!--
Any copyright is dedicated to the Public Domain.
-->
<html>
<head>
<title>WebAssembly.compile Test</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script>
const testingFunctions = SpecialPowers.Cu.getJSTestingFunctions();
const wasmIsSupported = SpecialPowers.unwrap(testingFunctions.wasmIsSupported);
const wasmHasTier2CompilationCompleted = SpecialPowers.unwrap(testingFunctions.wasmHasTier2CompilationCompleted);
const wasmLoadedFromCache = SpecialPowers.unwrap(testingFunctions.wasmLoadedFromCache);
const isCachingEnabled = SpecialPowers.getBoolPref("javascript.options.wasm_caching");
// The test_webassembly_compile_sample.wasm is a medium-sized module with 100
// functions that call each other recursively, returning a computed sum.
// Any other non-trivial module could be generated and used.
var sampleCode;
const sampleURL = "test_webassembly_compile_sample.wasm";
const sampleFileSize = 16053;
const sampleURLWithRandomQuery = () => sampleURL + "?id=" + String(Math.ceil(Math.random()*100000));
const sampleExportName = "run";
const sampleResult = 1275;
function checkSampleModule(m) {
ok(m instanceof WebAssembly.Module, "got a module");
var i = new WebAssembly.Instance(m);
ok(i instanceof WebAssembly.Instance, "got an instance");
ok(i.exports[sampleExportName]() === sampleResult, "got result");
}
function checkSampleInstance(i) {
ok(i instanceof WebAssembly.Instance, "got a module");
ok(i.exports[sampleExportName]() === sampleResult, "got result");
}
function fetchSampleModuleCode() {
fetch(sampleURL)
.then(response => response.arrayBuffer())
.then(buffer => { sampleCode = buffer; runTest(); })
.catch(err => ok(false, String(err)));
}
function propertiesExist() {
if (!wasmIsSupported()) {
ok(!this.WebAssembly, "If the device doesn't support, there will be no WebAssembly object");
SimpleTest.finish();
return;
}
ok(WebAssembly, "WebAssembly object should exist");
ok(WebAssembly.compile, "WebAssembly.compile function should exist");
runTest();
}
function compileFail() {
WebAssembly.compile().then(
() => { ok(false, "should have failed"); runTest(); }
).catch(
err => { ok(err instanceof TypeError, "empty compile failed"); runTest(); }
);
}
function compileSuccess() {
WebAssembly.compile(sampleCode).then(
m => { checkSampleModule(m); runTest(); }
).catch(
err => { ok(false, String(err)); runTest(); }
);
}
function compileManySuccess() {
const N = 100;
var arr = [];
for (var i = 0; i < N; i++)
arr.push(WebAssembly.compile(sampleCode));
SpecialPowers.gc();
Promise.all(arr).then(ms => {
ok(ms.length === N, "got the right number");
for (var j = 0; j < N; j++)
checkSampleModule(ms[j]);
runTest();
}).catch(
err => { ok(false, String(err)); runTest(); }
);
}
function terminateCompileInWorker() {
var w = new Worker(`data:text/plain,
var sampleCode;
function spawnWork() {
const N = 100;
var arr = [];
for (var i = 0; i < N; i++)
arr.push(WebAssembly.compile(sampleCode));
Promise.all(arr).then(spawnWork);
}
onmessage = e => {
sampleCode = e.data;
spawnWork();
postMessage("ok");
}
`);
w.postMessage(sampleCode);
w.onmessage = e => {
ok(e.data === "ok", "worker finished first step");
w.terminate();
runTest();
};
}
function instantiateFail() {
WebAssembly.instantiate().then(
() => { ok(false, "should have failed"); runTest(); }
).catch(
err => { ok(err instanceof TypeError, "empty compile failed"); runTest(); }
);
}
function instantiateSuccess() {
WebAssembly.instantiate(sampleCode).then(
r => { checkSampleModule(r.module); checkSampleInstance(r.instance); runTest(); }
).catch(
err => { ok(false, String(err)); runTest(); }
);
}
function chainSuccess() {
WebAssembly.compile(sampleCode).then(
m => WebAssembly.instantiate(m)
).then(
i => { checkSampleInstance(i); runTest(); }
).catch(
err => { ok(false, String(err)); runTest(); }
);
}
function compileStreamingNonResponse() {
WebAssembly.compileStreaming({})
.then(() => { ok(false); })
.catch(err => { ok(err instanceof TypeError, "rejected {}"); runTest(); });
}
function compileStreamingNoMime() {
WebAssembly.compileStreaming(new Response(new ArrayBuffer()))
.then(() => { ok(false); })
.catch(err => { ok(err instanceof TypeError, "rejected no MIME type"); runTest(); });
}
function compileStreamingBadMime() {
var badMimes = [
"",
"application/js",
"application/js;application/wasm",
"application/wasm;application/js",
"application/wasm;",
"application/wasm1",
];
var promises = [];
for (let mimeType of badMimes) {
var init = { headers: { "Content-Type": mimeType } };
promises.push(
WebAssembly.compileStreaming(new Response(sampleCode, init))
.then(() => Promise.reject(), err => {
is(err.message,
`WebAssembly: Response has unsupported MIME type '${mimeType}' expected 'application/wasm'`,
"correct MIME type error message");
return Promise.resolve();
})
);
}
Promise.all(promises)
.then(() => { ok(true, "all bad MIME types rejected"); runTest(); });
}
function compileStreamingGoodMime() {
var badMimes = [
"application/wasm",
" application/wasm ",
"application/wasm ",
];
var promises = [];
for (let mimeType of badMimes) {
var init = { headers: { "Content-Type": mimeType } };
promises.push(
WebAssembly.compileStreaming(new Response(sampleCode, init))
);
}
Promise.all(promises)
.then(() => { ok(true, "all good MIME types accepted"); runTest(); });
}
function compileStreamingDoubleUseFail() {
fetch(sampleURL)
.then(response => {
WebAssembly.compileStreaming(response)
.then(m => {
checkSampleModule(m);
return WebAssembly.compileStreaming(response);
})
.then(
() => ok(false, "should have failed on second use"),
() => { ok(true, "failed on second use"); runTest(); }
);
});
}
function compileStreamingNullBody() {
var init = { headers: { "Content-Type": "application/wasm" } };
WebAssembly.compileStreaming(new Response(undefined, init))
.then(() => { ok(false); })
.catch(err => { ok(err instanceof WebAssembly.CompileError, "null body"); runTest(); });
}
function compileStreamingFetch() {
WebAssembly.compileStreaming(fetch(sampleURL))
.then(m => { checkSampleModule(m); runTest(); })
.catch(err => { ok(false, String(err)); });
}
function compileCachedBasic() {
const url = sampleURLWithRandomQuery();
WebAssembly.compileStreaming(fetch(url))
.then(module => {
checkSampleModule(module);
ok(!wasmLoadedFromCache(module), "not cached yet");
while(!wasmHasTier2CompilationCompleted(module));
return WebAssembly.compileStreaming(fetch(url));
})
.then(module => {
checkSampleModule(module);
ok(wasmLoadedFromCache(module), "loaded from cache");
})
.then(() => runTest())
.catch(err => { ok(false, String(err)) });
}
function compileCachedCompressed() {
const url = sampleURLWithRandomQuery();
// It is a rough estimate that compilation code is about
// 2-4 times of the wasm file size. After it compression
// it will be less (about 60% ?)
const EstimatedCompilationArtifactSize = 2 * sampleFileSize;
const EstimatedCompressedArtifactSize = 0.6 * EstimatedCompilationArtifactSize;
// Set limit on cache entry so it will fail if it is not
// compressed.
const cleanup = () => {
SpecialPowers.clearUserPref("browser.cache.disk.max_entry_size")
};
Promise.resolve(SpecialPowers.setIntPref("browser.cache.disk.max_entry_size",
Math.round(EstimatedCompressedArtifactSize / 1024) /* kb */))
.then(() => WebAssembly.compileStreaming(fetch(url)))
.then(module => {
checkSampleModule(module);
ok(!wasmLoadedFromCache(module), "not cached yet");
while(!wasmHasTier2CompilationCompleted(module));
return WebAssembly.compileStreaming(fetch(url));
})
.then(module => {
checkSampleModule(module);
ok(wasmLoadedFromCache(module), "loaded from cache");
})
.then(() => { cleanup(); runTest() })
.catch(err => { cleanup(); ok(false, String(err)) });
}
function compileCachedTooLargeForCache() {
const url = sampleURLWithRandomQuery();
// Set unreasonable limit, caching will fail.
// compileCachedCompressed tests will become invalid.
const cleanup = () => {
SpecialPowers.clearUserPref("browser.cache.disk.max_entry_size")
};
Promise.resolve(SpecialPowers.setIntPref("browser.cache.disk.max_entry_size", 1 /* kb */))
.then(() => WebAssembly.compileStreaming(fetch(url)))
.then(module => {
console.log(module)
checkSampleModule(module);
ok(!wasmLoadedFromCache(module), "not cached yet");
while(!wasmHasTier2CompilationCompleted(module));
return WebAssembly.compileStreaming(fetch(url));
})
.then(module => {
checkSampleModule(module);
ok(!wasmLoadedFromCache(module), "not cached (size limit)");
})
.then(() => { cleanup(); runTest() })
.catch(err => { cleanup(); ok(false, String(err)) });
}
const Original = "original";
const Clone = "clone";
function compileCachedBothClonesHitCache(which) {
const url = sampleURLWithRandomQuery();
WebAssembly.compileStreaming(fetch(url))
.then(module => {
checkSampleModule(module);
ok(!wasmLoadedFromCache(module), "not cached yet");
while(!wasmHasTier2CompilationCompleted(module));
return fetch(url);
})
.then(original => {
let clone = original.clone();
if (which === Clone) [clone, original] = [original, clone];
return Promise.all([
WebAssembly.compileStreaming(original),
WebAssembly.compileStreaming(clone)
]);
})
.then(([m1, m2]) => {
checkSampleModule(m1);
ok(wasmLoadedFromCache(m1), "clone loaded from cache");
checkSampleModule(m2);
ok(wasmLoadedFromCache(m2), "original loaded from cache");
})
.then(() => runTest())
.catch(err => { ok(false, String(err)) });
}
function compileCachedCacheThroughClone(which) {
const url = sampleURLWithRandomQuery();
fetch(url)
.then(original => {
ok(true, "fun time");
let clone = original.clone();
if (which === Clone) [clone, original] = [original, clone];
return Promise.all([
WebAssembly.compileStreaming(original),
clone.arrayBuffer()
]);
})
.then(([module, buffer]) => {
ok(!wasmLoadedFromCache(module), "not cached yet");
ok(buffer instanceof ArrayBuffer);
while(!wasmHasTier2CompilationCompleted(module));
return WebAssembly.compileStreaming(fetch(url));
})
.then(m => {
ok(wasmLoadedFromCache(m), "cache hit of " + which);
})
.then(() => runTest())
.catch(err => { ok(false, String(err)) });
}
function instantiateStreamingFetch() {
WebAssembly.instantiateStreaming(fetch(sampleURL))
.then(({module, instance}) => { checkSampleModule(module); checkSampleInstance(instance); runTest(); })
.catch(err => { ok(false, String(err)); });
}
function compileManyStreamingFetch() {
const N = 20;
var arr = [];
for (var i = 0; i < N; i++)
arr.push(WebAssembly.compileStreaming(fetch(sampleURL)));
SpecialPowers.gc();
Promise.all(arr).then(ms => {
ok(ms.length === N, "got the right number");
for (var j = 0; j < N; j++)
checkSampleModule(ms[j]);
runTest();
}).catch(
err => { ok(false, String(err)); runTest(); }
);
}
function runWorkerTests() {
var w = new Worker("test_webassembly_compile_worker.js");
w.postMessage(sampleCode);
w.onmessage = e => {
ok(e.data === "ok", "worker test: " + e.data);
runTest();
};
}
function terminateCompileStreamingInWorker() {
var w = new Worker("test_webassembly_compile_worker_terminate.js");
w.onmessage = e => {
ok(e.data === "ok", "worker streaming terminate test: " + e.data);
w.terminate();
runTest();
};
}
var tests = [ propertiesExist,
compileFail,
compileSuccess,
compileManySuccess,
terminateCompileInWorker,
instantiateFail,
instantiateSuccess,
chainSuccess,
compileStreamingNonResponse,
compileStreamingNoMime,
compileStreamingBadMime,
compileStreamingGoodMime,
compileStreamingDoubleUseFail,
compileStreamingNullBody,
compileStreamingFetch,
...(isCachingEnabled ? [
compileCachedBasic,
compileCachedCompressed,
compileCachedTooLargeForCache,
compileCachedBothClonesHitCache.bind(Original),
compileCachedBothClonesHitCache.bind(Clone),
compileCachedCacheThroughClone.bind(Original),
compileCachedCacheThroughClone.bind(Clone),
]: []),
instantiateStreamingFetch,
compileManyStreamingFetch,
runWorkerTests,
terminateCompileStreamingInWorker,
];
// This initialization must always run
tests.unshift(fetchSampleModuleCode);
function runTest() {
if (!tests.length) {
SimpleTest.finish();
return;
}
var test = tests.shift();
test();
}
SimpleTest.waitForExplicitFinish();
runTest();
</script>
</body>
</html>