Add IDL test for the CSS Font Loading spec (#10049)

web-platform-tests · Mar 15, 2018 · 212f85d · 212f85d
1 parent df9060d
commit 212f85d
Show file tree

Hide file tree

Showing 2 changed files with 116 additions and 0 deletions.
diff --git a/css/css-font-loading/idlharness.https.html b/css/css-font-loading/idlharness.https.html
@@ -0,0 +1,30 @@
+<!DOCTYPE html>
+<title>Font Loading API IDL tests</title>
+<link rel="help" href="https://drafts.csswg.org/css-font-loading/#fontfacesetloadevent">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/WebIDLParser.js"></script>
+<script src="/resources/idlharness.js"></script>
+<script>
+"use strict";
+
+function doTest([dom, cssfontloading]) {
+  const idl_array = new IdlArray();
+  idl_array.add_untested_idls(dom);
+  idl_array.add_untested_idls("[Exposed=Worker] interface WorkerGlobalScope : EventTarget { };");
+  idl_array.add_objects({Document: ["document"]});
+  idl_array.add_idls(cssfontloading);
+  idl_array.test();
+}
+
+function fetchText(url) {
+  return fetch(url).then((response) => response.text());
+}
+
+promise_test(() => {
+  return Promise.all([
+    "/interfaces/dom.idl",
+    "/interfaces/css-font-loading.idl",
+  ].map(fetchText)).then(doTest);
+}, "Test IDL implementation of CSS Font Loading");
+</script>
diff --git a/interfaces/css-font-loading.idl b/interfaces/css-font-loading.idl
@@ -0,0 +1,86 @@
+typedef (ArrayBuffer or ArrayBufferView) BinaryData;
+
+dictionary FontFaceDescriptors {
+  CSSOMString style = "normal";
+  CSSOMString weight = "normal";
+  CSSOMString stretch = "normal";
+  CSSOMString unicodeRange = "U+0-10FFFF";
+  CSSOMString variant = "normal";
+  CSSOMString featureSettings = "normal";
+  CSSOMString variationSettings = "normal";
+  CSSOMString display = "auto";
+};
+
+enum FontFaceLoadStatus { "unloaded", "loading", "loaded", "error" };
+
+[Constructor(CSSOMString family, (CSSOMString or BinaryData) source,
+             optional FontFaceDescriptors descriptors),
+ Exposed=(Window,Worker)]
+interface FontFace {
+  attribute CSSOMString family;
+  attribute CSSOMString style;
+  attribute CSSOMString weight;
+  attribute CSSOMString stretch;
+  attribute CSSOMString unicodeRange;
+  attribute CSSOMString variant;
+  attribute CSSOMString featureSettings;
+  attribute CSSOMString variationSettings;
+  attribute CSSOMString display;
+
+  readonly attribute FontFaceLoadStatus status;
+
+  Promise<FontFace> load();
+  readonly attribute Promise<FontFace> loaded;
+};
+
+dictionary FontFaceSetLoadEventInit : EventInit {
+  sequence<FontFace> fontfaces = [];
+};
+
+[Constructor(CSSOMString type, optional FontFaceSetLoadEventInit eventInitDict),
+ Exposed=(Window,Worker)]
+interface FontFaceSetLoadEvent : Event {
+  [SameObject] readonly attribute FrozenArray<FontFace> fontfaces;
+};
+
+enum FontFaceSetLoadStatus { "loading", "loaded" };
+
+callback ForEachCallback = void (FontFace font, long index, FontFaceSet self);
+
+[Exposed=(Window,Worker),
+ Constructor(sequence<FontFace> initialFaces)]
+interface FontFaceSet : EventTarget {
+  // FontFaceSet is Set-like!
+  setlike<FontFace>;
+  FontFaceSet add(FontFace font);
+  boolean delete(FontFace font);
+  void clear();
+
+  // events for when loading state changes
+  attribute EventHandler onloading;
+  attribute EventHandler onloadingdone;
+  attribute EventHandler onloadingerror;
+
+  // check and start loads if appropriate
+  // and fulfill promise when all loads complete
+  Promise<sequence<FontFace>> load(CSSOMString font, optional CSSOMString text = " ");
+
+  // return whether all fonts in the fontlist are loaded
+  // (does not initiate load if not available)
+  boolean check(CSSOMString font, optional CSSOMString text = " ");
+
+  // async notification that font loading and layout operations are done
+  readonly attribute Promise<FontFaceSet> ready;
+
+  // loading state, "loading" while one or more fonts loading, "loaded" otherwise
+  readonly attribute FontFaceSetLoadStatus status;
+};
+
+[Exposed=(Window,Worker),
+ NoInterfaceObject]
+interface FontFaceSource {
+  readonly attribute FontFaceSet fonts;
+};
+
+Document implements FontFaceSource;
+WorkerGlobalScope implements FontFaceSource;