1 files changed, 22 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/image.sjs b/toolkit/components/antitracking/test/browser/image.sjs
new file mode 100644
index 0000000000..145ff1f0a4
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/image.sjs
@@ -0,0 +1,22 @@
+// A 1x1 PNG image.
+// Source: https://commons.wikimedia.org/wiki/File:1x1.png (Public Domain)
+const IMAGE = atob(
+  "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAA" +
+    "ACnej3aAAAAAXRSTlMAQObYZgAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII="
+);
+
+function handleRequest(aRequest, aResponse) {
+  aResponse.setStatusLine(aRequest.httpVersion, 200);
+
+  if (aRequest.queryString.includes("result")) {
+    aResponse.write(getState("hints") || 0);
+    setState("hints", "0");
+  } else {
+    let hints = parseInt(getState("hints") || 0) + 1;
+    setState("hints", hints.toString());
+
+    aResponse.setHeader("Set-Cookie", "foopy=1");
+    aResponse.setHeader("Content-Type", "image/png", false);
+    aResponse.write(IMAGE);
+  }
+}