1 files changed, 20 insertions, 0 deletions
diff --git a/toolkit/components/antitracking/test/browser/file_saveAsImage.sjs b/toolkit/components/antitracking/test/browser/file_saveAsImage.sjs
new file mode 100644
index 0000000000..2afb7d435f
--- /dev/null
+++ b/toolkit/components/antitracking/test/browser/file_saveAsImage.sjs
@@ -0,0 +1,20 @@
+// small red image
+const IMAGE = atob(
+  "iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12" +
+    "P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=="
+);
+
+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("Content-Type", "image/png", false);
+    aResponse.write(IMAGE);
+  }
+}