gecko-dev/dom/apps/tests/asmjs/asmjs_app.sjs

144 lines
4.8 KiB
JavaScript

var Cc = Components.classes;
var Ci = Components.interfaces;
var Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/NetUtil.jsm");
function handleRequest(aRequest, aResponse) {
aResponse.setHeader("Access-Control-Allow-Origin", "*", false);
var query = getQuery(aRequest);
if ("setVersion" in query) {
setState("version", query.setVersion);
aResponse.write("OK");
return;
}
var version = Number(getState("version"));
// setPrecompile sets the "precompile" field in the app manifest
if ("setPrecompile" in query) {
setState("precompile", query.setPrecompile);
aResponse.write("OK");
return;
}
var precompile = getState("precompile");
if ("getPackage" in query) {
aResponse.setHeader("Content-Type", "application/zip", false);
aResponse.write(buildAppPackage(version, precompile));
return;
}
if ("getManifest" in query) {
aResponse.setHeader("Content-Type", "application/x-web-app-manifest+json", false);
aResponse.write(getManifest(version, precompile));
return;
}
}
function getQuery(aRequest) {
var query = {};
aRequest.queryString.split('&').forEach(function(val) {
var [name, value] = val.split('=');
query[decodeURIComponent(name)] = decodeURIComponent(value);
});
return query;
}
function getTestFile(aName) {
var file = Services.dirsvc.get("CurWorkD", Ci.nsIFile);
var path = "chrome/dom/apps/tests/asmjs/" + aName;
path.split("/").forEach(function(component) {
file.append(component);
});
return file;
}
function readFile(aFile) {
var fstream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
fstream.init(aFile, -1, 0, 0);
var data = NetUtil.readInputStreamToString(fstream, fstream.available());
fstream.close();
return data;
}
function getManifest(aVersion, aPrecompile) {
return readFile(getTestFile("manifest.webapp")).
replace(/VERSIONTOKEN/g, aVersion).
replace(/PRECOMPILETOKEN/g, aPrecompile);
}
function buildAppPackage(aVersion, aPrecompile) {
const PR_RDWR = 0x04;
const PR_CREATE_FILE = 0x08;
const PR_TRUNCATE = 0x20;
let zipFile = Services.dirsvc.get("TmpD", Ci.nsIFile);
zipFile.append("application.zip");
let zipWriter = Cc["@mozilla.org/zipwriter;1"].createInstance(Ci.nsIZipWriter);
zipWriter.open(zipFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);
// Add index.html file to the zip file
zipWriter.addEntryFile("index.html",
Ci.nsIZipWriter.COMPRESSION_NONE,
getTestFile("index.html"),
false);
// Add manifest to the zip file
var manStream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
var manifest = getManifest(aVersion, aPrecompile);
manStream.setData(manifest, manifest.length);
zipWriter.addEntryStream("manifest.webapp", Date.now(),
Ci.nsIZipWriter.COMPRESSION_NONE,
manStream, false);
// Add an asm.js module to the zip file
// The module also contains some code to perform tests
// Creates a module big enough to be cached
// The module is different according to the app version, this way
// we can test that on update the new module is compiled
var code = "function f() { 'use asm';\n";
for (var i = 0; i < 5000; i++) {
code += "function g" + i + "() { return " + i + "}\n";
}
code += "return g" + aVersion + " }\n\
var jsFuns = SpecialPowers.Cu.getJSTestingFunctions();\n\
ok(jsFuns.isAsmJSCompilationAvailable(), 'asm.js compilation is available');\n\
ok(jsFuns.isAsmJSModule(f), 'f is an asm.js module');\n\
var g" + aVersion + " = f();\n\
ok(jsFuns.isAsmJSFunction(g" + aVersion + "), 'g" + aVersion + " is an asm.js function');\n\
ok(g" + aVersion + "() === " + aVersion + ", 'g" + aVersion + " returns the correct result');";
// If the "precompile" field contains this module, we test that it is loaded
// from the cache.
// If the "precompile" field doesn't contain the module or is incorrect, we
// test that the module is not loaded from the cache.
if (aPrecompile == '["asmjsmodule.js"]') {
code += "ok(jsFuns.isAsmJSModuleLoadedFromCache(f), 'module loaded from cache');\n";
} else {
code += "ok(!jsFuns.isAsmJSModuleLoadedFromCache(f), 'module not loaded from cache');\n";
}
code += "alert('DONE');";
var jsStream = Cc["@mozilla.org/io/string-input-stream;1"].
createInstance(Ci.nsIStringInputStream);
jsStream.setData(code, code.length);
zipWriter.addEntryStream("asmjsmodule.js", Date.now(),
Ci.nsIZipWriter.COMPRESSION_NONE,
jsStream, false);
zipWriter.close();
return readFile(zipFile);
}