1 files changed, 89 insertions, 0 deletions
diff --git a/dom/manifest/test/browser_ManifestFinder_browserHasManifestLink.js b/dom/manifest/test/browser_ManifestFinder_browserHasManifestLink.js
new file mode 100644
index 0000000000..360c98220b
--- /dev/null
+++ b/dom/manifest/test/browser_ManifestFinder_browserHasManifestLink.js
@@ -0,0 +1,89 @@
+"use strict";
+const { ManifestFinder } = ChromeUtils.importESModule(
+  "resource://gre/modules/ManifestFinder.sys.mjs"
+);
+const defaultURL = new URL(
+  "http://example.org/browser/dom/manifest/test/resource.sjs"
+);
+defaultURL.searchParams.set("Content-Type", "text/html; charset=utf-8");
+
+const tests = [
+  {
+    body: `
+    <link rel="manifesto" href='${defaultURL}?body={"name":"fail"}'>
+    <link rel="foo bar manifest bar test" href='${defaultURL}?body={"name":"value"}'>
+    <link rel="manifest" href='${defaultURL}?body={"name":"fail"}'>
+  `,
+    run(result) {
+      ok(result, "Document has a web manifest.");
+    },
+  },
+  {
+    body: `
+    <link rel="amanifista" href='${defaultURL}?body={"name":"fail"}'>
+    <link rel="foo bar manifesto bar test" href='${defaultURL}?body={"name":"pass-1"}'>
+    <link rel="manifesto" href='${defaultURL}?body={"name":"fail"}'>`,
+    run(result) {
+      ok(!result, "Document does not have a web manifest.");
+    },
+  },
+  {
+    body: `
+    <link rel="manifest" href="">
+    <link rel="manifest" href='${defaultURL}?body={"name":"fail"}'>`,
+    run(result) {
+      ok(!result, "Manifest link is has empty href.");
+    },
+  },
+  {
+    body: `
+    <link rel="manifest">
+    <link rel="manifest" href='${defaultURL}?body={"name":"fail"}'>`,
+    run(result) {
+      ok(!result, "Manifest link is missing.");
+    },
+  },
+];
+
+function makeTestURL({ body }) {
+  const url = new URL(defaultURL);
+  url.searchParams.set("body", encodeURIComponent(body));
+  return url.href;
+}
+
+/**
+ * Test basic API error conditions
+ */
+add_task(async function () {
+  const expected = "Invalid types should throw a TypeError.";
+  for (let invalidValue of [undefined, null, 1, {}, "test"]) {
+    try {
+      await ManifestFinder.contentManifestLink(invalidValue);
+      ok(false, expected);
+    } catch (e) {
+      is(e.name, "TypeError", expected);
+    }
+    try {
+      await ManifestFinder.browserManifestLink(invalidValue);
+      ok(false, expected);
+    } catch (e) {
+      is(e.name, "TypeError", expected);
+    }
+  }
+});
+
+add_task(async function () {
+  const runningTests = tests
+    .map(test => ({
+      gBrowser,
+      test,
+      url: makeTestURL(test),
+    }))
+    .map(tabOptions =>
+      BrowserTestUtils.withNewTab(tabOptions, async function (browser) {
+        const result = await ManifestFinder.browserHasManifestLink(browser);
+        tabOptions.test.run(result);
+      })
+    );
+  await Promise.all(runningTests);
+});