1 files changed, 136 insertions, 0 deletions
diff --git a/browser/base/content/test/favicons/browser_icon_discovery.js b/browser/base/content/test/favicons/browser_icon_discovery.js
new file mode 100644
index 0000000000..6dc57b9880
--- /dev/null
+++ b/browser/base/content/test/favicons/browser_icon_discovery.js
@@ -0,0 +1,136 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/* eslint-disable mozilla/no-arbitrary-setTimeout */
+
+const ROOTURI =
+  "http://mochi.test:8888/browser/browser/base/content/test/favicons/";
+const ICON = "moz.png";
+const DATAURL =
+  "data:image/x-icon;base64,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";
+
+let iconDiscoveryTests = [
+  {
+    text: "rel icon discovered",
+    icons: [{}],
+  },
+  {
+    text: "rel may contain additional rels separated by spaces",
+    icons: [{ rel: "abcdefg icon qwerty" }],
+  },
+  {
+    text: "rel is case insensitive",
+    icons: [{ rel: "ICON" }],
+  },
+  {
+    text: "rel shortcut-icon not discovered",
+    expectedIcon: ROOTURI + ICON,
+    icons: [
+      // We will prefer the later icon if detected
+      {},
+      { rel: "shortcut-icon", href: "nothere.png" },
+    ],
+  },
+  {
+    text: "relative href works",
+    icons: [{ href: "moz.png" }],
+  },
+  {
+    text: "404'd icon is removed properly",
+    pass: false,
+    icons: [{ href: "notthere.png" }],
+  },
+  {
+    text: "data: URIs work",
+    icons: [{ href: DATAURL, type: "image/x-icon" }],
+  },
+  {
+    text: "type may have optional parameters (RFC2046)",
+    icons: [{ type: "image/png; charset=utf-8" }],
+  },
+  {
+    text: "apple-touch-icon discovered",
+    richIcon: true,
+    icons: [{ rel: "apple-touch-icon" }],
+  },
+  {
+    text: "apple-touch-icon-precomposed discovered",
+    richIcon: true,
+    icons: [{ rel: "apple-touch-icon-precomposed" }],
+  },
+  {
+    text: "fluid-icon discovered",
+    richIcon: true,
+    icons: [{ rel: "fluid-icon" }],
+  },
+  {
+    text: "unknown icon not discovered",
+    expectedIcon: ROOTURI + ICON,
+    richIcon: true,
+    icons: [
+      // We will prefer the larger icon if detected
+      { rel: "apple-touch-icon", sizes: "32x32" },
+      { rel: "unknown-icon", sizes: "128x128", href: "notthere.png" },
+    ],
+  },
+];
+
+add_task(async function () {
+  let url = ROOTURI + "discovery.html";
+  let tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, url);
+
+  for (let testCase of iconDiscoveryTests) {
+    info(`Running test "${testCase.text}"`);
+
+    if (testCase.pass === undefined) {
+      testCase.pass = true;
+    }
+
+    if (testCase.icons.length > 1 && !testCase.expectedIcon) {
+      ok(false, "Invalid test data, missing expectedIcon");
+      continue;
+    }
+
+    let expectedIcon = testCase.expectedIcon || testCase.icons[0].href || ICON;
+    expectedIcon = new URL(expectedIcon, ROOTURI).href;
+
+    let iconPromise = waitForFaviconMessage(!testCase.richIcon, expectedIcon);
+
+    await SpecialPowers.spawn(
+      gBrowser.selectedBrowser,
+      [[testCase.icons, ROOTURI + ICON]],
+      ([icons, defaultIcon]) => {
+        let doc = content.document;
+        let head = doc.head;
+
+        for (let icon of icons) {
+          let link = doc.createElement("link");
+          link.rel = icon.rel || "icon";
+          link.href = icon.href || defaultIcon;
+          link.type = icon.type || "image/png";
+          if (icon.sizes) {
+            link.sizes = icon.sizes;
+          }
+          head.appendChild(link);
+        }
+      }
+    );
+
+    try {
+      let { iconURL } = await iconPromise;
+      ok(testCase.pass, testCase.text);
+      is(iconURL, expectedIcon, "Should have seen the expected icon.");
+    } catch (e) {
+      ok(!testCase.pass, testCase.text);
+    }
+
+    await SpecialPowers.spawn(gBrowser.selectedBrowser, [], () => {
+      let links = content.document.querySelectorAll("link");
+      for (let link of links) {
+        link.remove();
+      }
+    });
+  }
+
+  BrowserTestUtils.removeTab(tab);
+});