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<ol class="chapter"><li class="affix"><a href="../introduction.html">Introduction</a></li><li class="spacer"></li><li><a href="../examples/index.html"><strong aria-hidden="true">1.</strong> Examples</a></li><li><ol class="section"><li><a href="../examples/hello-world.html"><strong aria-hidden="true">1.1.</strong> Hello, World!</a></li><li><a href="../examples/console-log.html"><strong aria-hidden="true">1.2.</strong> Using console.log</a></li><li><a href="../examples/add.html"><strong aria-hidden="true">1.3.</strong> Small wasm files</a></li><li><a href="../examples/without-a-bundler.html"><strong aria-hidden="true">1.4.</strong> Without a Bundler</a></li><li><a href="../examples/wasm2js.html"><strong aria-hidden="true">1.5.</strong> Converting WebAssembly to JS</a></li><li><a href="../examples/import-js.html"><strong aria-hidden="true">1.6.</strong> Importing functions from JS</a></li><li><a href="../examples/char.html"><strong aria-hidden="true">1.7.</strong> Working with char</a></li><li><a href="../examples/wasm-in-wasm.html"><strong aria-hidden="true">1.8.</strong> js-sys: WebAssembly in WebAssembly</a></li><li><a href="../examples/dom.html"><strong aria-hidden="true">1.9.</strong> web-sys: DOM hello world</a></li><li><a href="../examples/closures.html"><strong aria-hidden="true">1.10.</strong> web-sys: Closures</a></li><li><a href="../examples/performance.html"><strong aria-hidden="true">1.11.</strong> web-sys: performance.now</a></li><li><a href="../examples/fetch.html"><strong aria-hidden="true">1.12.</strong> web-sys: using fetch</a></li><li><a href="../examples/2d-canvas.html"><strong aria-hidden="true">1.13.</strong> web-sys: canvas hello world</a></li><li><a href="../examples/julia.html"><strong aria-hidden="true">1.14.</strong> web-sys: canvas Julia set</a></li><li><a href="../examples/web-audio.html"><strong aria-hidden="true">1.15.</strong> web-sys: WebAudio</a></li><li><a href="../examples/webgl.html"><strong aria-hidden="true">1.16.</strong> web-sys: WebGL</a></li><li><a href="../examples/websockets.html"><strong aria-hidden="true">1.17.</strong> web-sys: WebSockets</a></li><li><a href="../examples/webrtc_datachannel.html"><strong aria-hidden="true">1.18.</strong> web-sys: WebRTC DataChannel</a></li><li><a href="../examples/request-animation-frame.html"><strong aria-hidden="true">1.19.</strong> web-sys: requestAnimationFrame</a></li><li><a href="../examples/paint.html"><strong aria-hidden="true">1.20.</strong> web-sys: A Simple Paint Program</a></li><li><a href="../examples/raytrace.html"><strong aria-hidden="true">1.21.</strong> Parallel Raytracing</a></li><li><a href="../examples/todomvc.html"><strong aria-hidden="true">1.22.</strong> web-sys: A TODO MVC App</a></li></ol></li><li><a href="../reference/index.html"><strong aria-hidden="true">2.</strong> Reference</a></li><li><ol class="section"><li><a href="../reference/deployment.html"><strong aria-hidden="true">2.1.</strong> Deployment</a></li><li><a href="../reference/js-snippets.html"><strong aria-hidden="true">2.2.</strong> JS snippets</a></li><li><a href="../reference/passing-rust-closures-to-js.html"><strong aria-hidden="true">2.3.</strong> Passing Rust Closures to JS</a></li><li><a href="../reference/receiving-js-closures-in-rust.html"><strong aria-hidden="true">2.4.</strong> Receiving JS Closures in Rust</a></li><li><a href="../reference/js-promises-and-rust-futures.html"><strong aria-hidden="true">2.5.</strong> Promises and Futures</a></li><li><a href="../reference/iterating-over-js-values.html"><strong aria-hidden="true">2.6.</strong> Iterating over JS Values</a></li><li><a href="../reference/arbitrary-data-with-serde.html"><strong aria-hidden="true">2.7.</strong> Arbitrary Data with Serde</a></li><li><a href="../reference/accessing-properties-of-untyped-js-values.html"><strong aria-hidden="true">2.8.</strong> Accessing Properties of Untyped JS Values</a></li><li><a href="../reference/working-with-duck-typed-interfaces.html"><strong aria-hidden="true">2.9.</strong> Working with Duck-Typed Interfaces</a></li><li><a href="../ref
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This is the <strong>unpublished</strong> documentation of
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<code>wasm-bindgen</code>, the published documentation is available
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on the main Rust and WebAssembly documentation site
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</a>. Features documented here may not be available in released versions of
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<code>wasm-bindgen</code>.
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<h1 class="menu-title">The `wasm-bindgen` Guide</h1>
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<main>
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<h1><a class="header" href="#running-wasm-bindgens-tests" id="running-wasm-bindgens-tests">Running <code>wasm-bindgen</code>'s Tests</a></h1>
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<h2><a class="header" href="#wasm-tests-on-node-and-headless-browsers" id="wasm-tests-on-node-and-headless-browsers">Wasm Tests on Node and Headless Browsers</a></h2>
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<p>These are the largest test suites, and most common to run in day to day
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<code>wasm-bindgen</code> development. These tests are compiled to Wasm and then run in
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Node.js or a headless browser via the WebDriver protocol.</p>
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<pre><code class="language-bash">cargo test --target wasm32-unknown-unknown
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</code></pre>
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<p>See <a href="https://github.com/rustwasm/wasm-bindgen/blob/master/crates/test/README.md">the <code>wasm-bindgen-test</code> crate's
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<code>README.md</code></a>
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for details and configuring which headless browser is used.</p>
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<h2><a class="header" href="#sanity-tests-for-wasm-bindgen-on-the-native-host-target" id="sanity-tests-for-wasm-bindgen-on-the-native-host-target">Sanity Tests for <code>wasm-bindgen</code> on the Native Host Target</a></h2>
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<p>This small test suite just verifies that exported <code>wasm-bindgen</code> methods can
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still be used on the native host's target.</p>
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<pre><code>cargo test
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</code></pre>
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<h2><a class="header" href="#the-web-idl-frontends-tests" id="the-web-idl-frontends-tests">The Web IDL Frontend's Tests</a></h2>
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<pre><code>cargo test -p webidl-tests --target wasm32-unknown-unknown
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</code></pre>
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<h2><a class="header" href="#the-macro-ui-tests" id="the-macro-ui-tests">The Macro UI Tests</a></h2>
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<p>These tests assert that we have reasonable error messages that point to the
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right source spans when the <code>#[wasm_bindgen]</code> proc-macro is misused.</p>
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<pre><code>cargo test -p ui-tests
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</code></pre>
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<h2><a class="header" href="#the-js-sys-tests" id="the-js-sys-tests">The <code>js-sys</code> Tests</a></h2>
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<p>See <a href="js-sys/testing.html">the <code>js-sys</code> testing page</a>.</p>
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<h2><a class="header" href="#the-web-sys-tests" id="the-web-sys-tests">The <code>web-sys</code> Tests</a></h2>
|
||
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<p>See <a href="web-sys/testing.html">the <code>web-sys</code> testing page</a>.</p>
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<script src="../clipboard.min.js" type="text/javascript" charset="utf-8"></script>
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<script src="../highlight.js" type="text/javascript" charset="utf-8"></script>
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<script src="../book.js" type="text/javascript" charset="utf-8"></script>
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<!-- Custom JS scripts -->
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</body>
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</html>
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