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AIXCC-C-Challenge / local-test-sqlite3-delta-01 /afc-sqlite3 /ext /wasm /speedtest1.html

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	<!doctype html>
	<html lang="en-us">
	<head>
	<meta charset="utf-8">
	<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
	<link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
	<link rel="stylesheet" href="common/emscripten.css"/>
	<link rel="stylesheet" href="common/testing.css"/>
	<title>speedtest1.wasm</title>
	</head>
	<body>
	<header id='titlebar'><span>speedtest1.wasm</span></header>
	<div>See also: <a href='speedtest1-worker.html'>A Worker-thread variant of this page.</a></div>
	<!-- emscripten bits -->
	<figure id="module-spinner">
	<div class="spinner"></div>
	<div class='center'><strong>Initializing app...</strong></div>
	<div class='center'>
	On a slow internet connection this may take a moment. If this
	message displays for "a long time", intialization may have
	failed and the JavaScript console may contain clues as to why.
	</div>
	</figure>
	<div class="emscripten" id="module-status">Downloading...</div>
	<div class="emscripten">
	<progress value="0" max="100" id="module-progress" hidden='1'></progress>
	</div><!-- /emscripten bits -->
	<div class='warning'>This page starts running the main exe when it loads, which will
	block the UI until it finishes! Adding UI controls to manually configure and start it
	are TODO.</div>
	</div>
	<div class='warning'>Achtung: running it with the dev tools open may
	<em>drastically</em> slow it down. For faster results, keep the dev
	tools closed when running it!
	</div>
	<div>Output is delayed/buffered because we cannot update the UI while the
	speedtest is running. Output will appear below when ready...
	<div id='test-output'></div>
	<script src="common/SqliteTestUtil.js"></script>
	<script src="jswasm/speedtest1.js"></script>
	<script>(function(){
	/**
	If this environment contains WASMFS with OPFS, this function
	initializes it and returns the name of the dir on which OPFS is
	mounted, else it returns an empty string.
	*/
	const wasmfsDir = function f(wasmUtil){
	if(undefined !== f._) return f._;
	const pdir = '/persistent';
	if( !self.FileSystemHandle
	\|\| !self.FileSystemDirectoryHandle
	\|\| !self.FileSystemFileHandle){
	return f._ = "";
	}
	try{
	if(0===wasmUtil.xCallWrapped(
	'sqlite3_wasm_init_wasmfs', 'i32', ['string'], pdir
	)){
	return f._ = pdir;
	}else{
	return f._ = "";
	}
	}catch(e){
	// sqlite3_wasm_init_wasmfs() is not available
	return f._ = "";
	}
	};
	wasmfsDir._ = undefined;

	const eOut = document.querySelector('#test-output');
	const log2 = function(cssClass,...args){
	const ln = document.createElement('div');
	if(cssClass) ln.classList.add(cssClass);
	ln.append(document.createTextNode(args.join(' ')));
	eOut.append(ln);
	//this.e.output.lastElementChild.scrollIntoViewIfNeeded();
	};
	const logList = [];
	const dumpLogList = function(){
	logList.forEach((v)=>log2('',v));
	logList.length = 0;
	};
	/* can't update DOM while speedtest is running unless we run
	speedtest in a worker thread. */;
	const log = (...args)=>{
	console.log(...args);
	logList.push(args.join(' '));
	};
	const logErr = function(...args){
	console.error(...args);
	logList.push('ERROR: '+args.join(' '));
	};

	const runTests = function(sqlite3){
	const capi = sqlite3.capi, wasm = sqlite3.wasm;
	//console.debug('sqlite3 =',sqlite3);
	const pDir = wasmfsDir(wasm);
	if(pDir){
	console.warn("Persistent storage:",pDir);
	}
	const scope = wasm.scopedAllocPush();
	let dbFile = pDir+"/speedtest1.db";
	const urlParams = new URL(self.location.href).searchParams;
	const argv = ["speedtest1"];
	if(urlParams.has('flags')){
	argv.push(...(urlParams.get('flags').split(',')));
	}

	let forceSize = 0;
	let vfs, pVfs = 0;
	if(urlParams.has('vfs')){
	vfs = urlParams.get('vfs');
	pVfs = capi.sqlite3_vfs_find(vfs);
	if(!pVfs){
	log2('error',"Unknown VFS:",vfs);
	return;
	}
	argv.push("--vfs", vfs);
	log2('',"Using VFS:",vfs);
	if('kvvfs' === vfs){
	forceSize = 4 /* 5 uses approx. 4.96mb */;
	dbFile = 'session';
	log2('warning',"kvvfs VFS: forcing --size",forceSize,
	"and filename '"+dbFile+"'.");
	capi.sqlite3_js_kvvfs_clear(dbFile);
	}
	}
	if(forceSize){
	argv.push('--size',forceSize);
	}else{
	[
	'size'
	].forEach(function(k){
	const v = urlParams.get(k);
	if(v) argv.push('--'+k, urlParams[k]);
	});
	}
	argv.push(
	"--singlethread",
	//"--nomutex",
	//"--nosync",
	//"--memdb", // note that memdb trumps the filename arg
	"--nomemstat"
	);
	argv.push("--big-transactions"/important for tests 410 and 510!/,
	dbFile);
	console.log("argv =",argv);
	// These log messages are not emitted to the UI until after main() returns. Fixing that
	// requires moving the main() call and related cleanup into a timeout handler.
	if(pDir) wasm.sqlite3_wasm_vfs_unlink(pVfs,dbFile);
	log2('',"Starting native app:\n ",argv.join(' '));
	log2('',"This will take a while and the browser might warn about the runaway JS.",
	"Give it time...");
	logList.length = 0;
	setTimeout(function(){
	wasm.xCall('wasm_main', argv.length,
	wasm.scopedAllocMainArgv(argv));
	wasm.scopedAllocPop(scope);
	if('kvvfs'===vfs){
	logList.unshift("KVVFS "+dbFile+" size = "+
	capi.sqlite3_js_kvvfs_size(dbFile));
	}
	if(pDir) wasm.sqlite3_wasm_vfs_unlink(pVfs,dbFile);
	logList.unshift("Done running native main(). Output:");
	dumpLogList();
	}, 50);
	}/runTests()/;

	self.sqlite3TestModule.print = log;
	self.sqlite3TestModule.printErr = logErr;
	sqlite3InitModule(self.sqlite3TestModule).then(runTests);
	})();</script>
	</body>
	</html>