1 files changed, 33 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/subResources.sjs b/toolkit/components/antitracking/test/browser/subResources.sjs
new file mode 100644
index 0000000000..f40d5cac97
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/subResources.sjs
@@ -0,0 +1,33 @@
+// 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);
+
+  let key = aRequest.queryString.includes("what=script") ? "script" : "image";
+
+  if (aRequest.queryString.includes("result")) {
+    aResponse.write(getState(key) || 0);
+    setState(key, "0");
+    return;
+  }
+
+  if (aRequest.hasHeader("Cookie")) {
+    let hints = parseInt(getState(key) || 0) + 1;
+    setState(key, hints.toString());
+  }
+
+  aResponse.setHeader("Set-Cookie", "foopy=1");
+
+  if (key == "script") {
+    aResponse.setHeader("Content-Type", "text/javascript", false);
+    aResponse.write("42;");
+  } else {
+    aResponse.setHeader("Content-Type", "image/png", false);
+    aResponse.write(IMAGE);
+  }
+}