Adding tests for script and style elements. (#578)

crates/web-sys/tests/all/script_element.rs

@@ -0,0 +1,77 @@
+use super::websys_project;
+
+#[test]
+fn script_element() {
+    websys_project()
+        .file(
+            "src/lib.rs",
+            r#"
+                #![feature(use_extern_macros, wasm_custom_section)]
+                extern crate wasm_bindgen;
+                use wasm_bindgen::prelude::*;
+                extern crate web_sys;
+
+                #[wasm_bindgen]
+                pub fn test_script_element(element: &web_sys::HtmlScriptElement) {
+                    assert_eq!(element.src(), "", "Shouldn't have a src");
+                    element.set_src("https://example.com/script.js");
+                    assert_eq!(element.src(), "https://example.com/script.js", "Should have a src");
+
+                    assert_eq!(element.type_(), "", "Shouldn't have a type");
+                    element.set_type("application/javascript");
+                    assert_eq!(element.type_(), "application/javascript", "Should have a type");
+
+                    assert!(!element.no_module(), "Shouldn't be a nomodule");
+                    element.set_no_module(true);
+                    assert!(element.no_module(), "Should be a nomodule");
+
+                    assert_eq!(element.charset(), "", "Shouldn't have a charset");
+                    element.set_charset("UTF-8");
+                    assert_eq!(element.charset(), "UTF-8", "Should have a charset");
+
+                    assert!(element.async(), "Should be async");
+                    element.set_async(false);
+                    assert!(!element.async(), "Shouldn't be a async");
+
+                    assert!(!element.defer(), "Shouldn't be a defer");
+                    element.set_defer(true);
+                    assert!(element.defer(), "Should be a defer");
+
+                    assert!(element.cross_origin().is_none(), "Shouldn't have a crossorigin");
+                    element.set_cross_origin(Some("anonymous"));
+                    assert_eq!(element.cross_origin().unwrap(), "anonymous", "Should have a crossorigin");
+                    element.set_cross_origin(None);
+                    assert!(element.cross_origin().is_none(), "Shouldn't have a crossorigin");
+
+                    assert_eq!(element.text().unwrap(), "", "Shouldn't have text");
+                    assert_eq!(element.set_text("text").unwrap(), ());
+                    assert_eq!(element.text().unwrap(), "text", "Should have text");
+
+                    assert_eq!(element.event(), "", "Shouldn't have an event");
+                    element.set_event("ev");
+                    assert_eq!(element.event(), "ev", "Should have an event");
+
+                    assert_eq!(element.html_for(), "", "Shouldn't have an html_for");
+                    element.set_html_for("hey");
+                    assert_eq!(element.html_for(), "hey", "Should have an html_for");
+
+                    assert_eq!(element.integrity(), "", "Shouldn't have an integrity");
+                    element.set_integrity("integrity-val");
+                    assert_eq!(element.integrity(), "integrity-val", "Should have an integrity");
+                }
+            "#,
+        )
+        .file(
+            "test.js",
+            r#"
+                import * as assert from "assert";
+                import * as wasm from "./out";
+
+                export function test() {
+                    let script = document.createElement("script");
+                    wasm.test_script_element(script);
+                }
+            "#,
+        )
+        .test();
+}