xref: /sqlite-3.40.0/ext/wasm/index.html (revision 3d645484)

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    <title>sqlite3 WASM Testing Page Index</title>
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    <header id='titlebar'><span>sqlite3 WASM test pages</span></header>
    <hr>
    <div>Below is the list of test pages for the sqlite3 WASM
      builds. All of them require that this directory have been
      "make"d first. The intent is that <em>this</em> page be run
      using:</div>
    <blockquote><pre>althttpd -enable-sab -page index.html</pre></blockquote>
    <div>and the individual tests be started in their own tab.
      Warnings and Caveats:
      <ul class='warning'>
        <li>Some of these pages require that
          the web server emit the so-called
          <a href='https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cross-Origin-Opener-Policy'>COOP</a>
          and
          <a href='https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cross-Origin-Embedder-Policy'>COEP</a>
          headers. <a href='https://sqlite.org/althttpd'>althttpd</a> requires the
          <code>-enable-sab</code> flag for that.
        </li>
        <li>Any OPFS-related pages require very recent version of
          Chrome or Chromium (v102 at least, possibly newer). OPFS
          support in the other major browsers is pending. Development
          and testing is currently done against a dev-channel release
          of Chrome (v107 as of 2022-09-26).
        </li>
        <li>Whether or not WASMFS/OPFS support is enabled on any given
          page may depend on build-time options which are <em>off by
          default</em> because they currently (as of 2022-09-08) break
          with Worker-based pages.
        </li>
      </ul>
    </div>
    <div>The tests and demos...
      <ul id='test-list'>
        <li>High-level apps and demos...
          <ul>
            <li><a href='fiddle/fiddle.html'>fiddle</a> is an HTML front-end
              to a wasm build of the sqlite3 shell.</li>
            <li><a href='demo-123.html'>demo-123</a> provides a
              no-nonsense example of adding sqlite3 support to a web
              page in the UI thread.</li>
            <li><a href='demo-123-worker.html'>demo-123-worker</a> is
              the same as <code>demo-123</code> but loads and runs
              sqlite3 from a Worker thread.</li>
            <li><a href='demo-kvvfs1.html'>demo-kvvfs1</a>: very basic
              demo of using the key-value VFS for storing a persistent db
              in JS <code>localStorage</code> or <code>sessionStorage</code>.</li>
          </ul>
        </li>
        <li>speedtest1 ports (sqlite3's primary benchmarking tool)...
          <ul>
            <li><a href='speedtest1.html'>speedtest1</a>: a main-thread WASM build of speedtest1.</li>
            <li><a href='speedtest1-wasmfs.html?flags=--size,25'>speedtest1-wasmfs</a>: a variant of speedtest1 built solely for the wasmfs/opfs feature.</li>
            <li><a href='speedtest1.html?vfs=kvvfs'>speedtest1-kvvfs</a>: speedtest1 with the kvvfs.</li>
            <li><a href='speedtest1-worker.html?size=25'>speedtest1-worker</a>: an interactive Worker-thread variant of speedtest1.</li>
            <li><a href='speedtest1-worker.html?vfs=opfs&size=25'>speedtest1-worker-opfs</a>: speedtest1-worker with the
              OPFS VFS preselected and configured for a moderate workload.</li>
          </ul>
        </li>
        <li>The obligatory "misc." category...
          <ul>
            <li><a href='testing1.html'>testing1</a>: sanity tests of the core APIs and surrounding utility code.</li>
            <li><a href='testing2.html'>testing2</a>: Worker-based test of OO API #1.</li>
            <li><a href='testing-worker1-promiser.html'>testing-worker1-promiser</a>:
              tests for the Promise-based wrapper of the Worker-based API.</li>
            <li><a href='batch-runner.html'>batch-runner</a>: runs batches of SQL exported from speedtest1.</li>
            <li><a href='scratchpad-wasmfs-main.html'>scratchpad-wasmfs-main</a>:
              experimenting with WASMFS/OPFS-based persistence. Maintenance
              reminder: we cannot currently (2022-09-15) load WASMFS in a
              worker due to an Emscripten limitation.</li>
            <li><a href='test-opfs-vfs.html'>test-opfs-vfs</a>
              (<a href='test-opfs-vfs.html?opfs-sanity-check&opfs-verbose'>same
                with verbose output and sanity-checking tests</a>) is an
              experiment in implementing a syncronous sqlite3 VFS proxy
              for a fully asynchronous backend interface (namely OPFS),
              using SharedArrayBuffer and the Atomics APIs to regulate
              communication between the synchronous interface and the
              async impl.
            </li>
          </ul>
        </li>
        <!--li><a href='x.html'></a></li-->
      </ul>
    </div>
    <style>
      #test-list { font-size: 120%; }
    </style>
    <script>//Assign a distinct target tab name for each test page...
      document.querySelectorAll('a').forEach(function(e){
          e.target = e.href;
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