1 files changed, 112 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/xpcshell/test_staticPartition_font.js b/toolkit/components/antitracking/test/xpcshell/test_staticPartition_font.js
new file mode 100644
index 0000000000..46e230ec3e
--- /dev/null
+++ b/toolkit/components/antitracking/test/xpcshell/test_staticPartition_font.js
@@ -0,0 +1,112 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+const { CookieXPCShellUtils } = ChromeUtils.importESModule(
+  "resource://testing-common/CookieXPCShellUtils.sys.mjs"
+);
+
+CookieXPCShellUtils.init(this);
+
+let gHits = 0;
+
+add_task(async function () {
+  do_get_profile();
+
+  info("Disable predictor and accept all");
+  Services.prefs.setBoolPref("network.predictor.enabled", false);
+  Services.prefs.setBoolPref("network.predictor.enable-prefetch", false);
+  Services.prefs.setBoolPref("network.http.rcwn.enabled", false);
+  Services.prefs.setIntPref("network.cookie.cookieBehavior", 0);
+
+  const server = CookieXPCShellUtils.createServer({
+    hosts: ["example.org", "foo.com", "bar.com"],
+  });
+
+  server.registerFile(
+    "/font.woff",
+    do_get_file("data/font.woff"),
+    (_, response) => {
+      response.setHeader("Access-Control-Allow-Origin", "*", false);
+      gHits++;
+    }
+  );
+
+  server.registerPathHandler("/font", (request, response) => {
+    response.setStatusLine(request.httpVersion, 200, "OK");
+    response.setHeader("Content-Type", "text/html", false);
+    let body = `
+      <style type="text/css">
+        @font-face {
+          font-family: foo;
+          src: url("http://example.org/font.woff") format('woff');
+        }
+        body { font-family: foo }
+      </style>
+      <iframe src="http://example.org/font-iframe">
+      </iframe>`;
+    response.bodyOutputStream.write(body, body.length);
+  });
+
+  server.registerPathHandler("/font-iframe", (request, response) => {
+    response.setStatusLine(request.httpVersion, 200, "OK");
+    response.setHeader("Content-Type", "text/html", false);
+    let body = `
+      <style type="text/css">
+        @font-face {
+          font-family: foo;
+          src: url("http://example.org/font.woff") format('woff');
+        }
+        body { font-family: foo }
+      </style>`;
+    response.bodyOutputStream.write(body, body.length);
+  });
+
+  const tests = [
+    {
+      prefValue: true,
+      hitsCount: 5,
+    },
+    {
+      prefValue: false,
+      // The font in page B/C is CORS, the channel will be flagged with
+      // nsIRequest::LOAD_ANONYMOUS.
+      // The flag makes the font in A and B/C use different cache key.
+      hitsCount: 2,
+    },
+  ];
+
+  for (let test of tests) {
+    info("Clear network caches");
+    Services.cache2.clear();
+
+    info("Reset the hits count");
+    gHits = 0;
+
+    info("Enabling network state partitioning");
+    Services.prefs.setBoolPref(
+      "privacy.partition.network_state",
+      test.prefValue
+    );
+
+    info("Let's load a page with origin A");
+    let contentPage = await CookieXPCShellUtils.loadContentPage(
+      "http://example.org/font"
+    );
+    await contentPage.close();
+
+    info("Let's load a page with origin B");
+    contentPage = await CookieXPCShellUtils.loadContentPage(
+      "http://foo.com/font"
+    );
+    await contentPage.close();
+
+    info("Let's load a page with origin C");
+    contentPage = await CookieXPCShellUtils.loadContentPage(
+      "http://bar.com/font"
+    );
+    await contentPage.close();
+
+    Assert.equal(gHits, test.hitsCount, "The number of hits match");
+  }
+});