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-rw-r--r--netwerk/test/browser/early_hint_asset.sjs50
1 files changed, 50 insertions, 0 deletions
diff --git a/netwerk/test/browser/early_hint_asset.sjs b/netwerk/test/browser/early_hint_asset.sjs
new file mode 100644
index 0000000000..ba52e757ff
--- /dev/null
+++ b/netwerk/test/browser/early_hint_asset.sjs
@@ -0,0 +1,50 @@
+"use strict";
+
+function handleRequest(request, response) {
+ let hinted =
+ request.hasHeader("X-Moz") && request.getHeader("X-Moz") === "early hint";
+ let count = JSON.parse(getSharedState("earlyHintCount"));
+ if (hinted) {
+ count.hinted += 1;
+ } else {
+ count.normal += 1;
+ }
+ setSharedState("earlyHintCount", JSON.stringify(count));
+
+ let content = "";
+ let qs = new URLSearchParams(request.queryString);
+ let asset = qs.get("as");
+
+ if (qs.get("cached") === "1") {
+ response.setHeader("Cache-Control", "max-age=604800", false);
+ } else {
+ response.setHeader("Cache-Control", "no-cache", false);
+ }
+
+ if (asset === "image") {
+ response.setHeader("Content-Type", "image/png", false);
+ // set to green/black horizontal stripes (71 bytes)
+ content = atob(
+ hinted
+ ? "iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91JpzAAAADklEQVQIW2OU+i/FAAcADoABNV8XGBMAAAAASUVORK5CYII="
+ : "iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAIAAAD91JpzAAAAE0lEQVQIW2P4//+/N8MkBiAGsgA1bAe1SzDY8gAAAABJRU5ErkJggg=="
+ );
+ } else if (asset === "style") {
+ response.setHeader("Content-Type", "text/css", false);
+ // green background on hint response, purple response otherwise
+ content = `#square { background: ${hinted ? "#1aff1a" : "#4b0092"}`;
+ } else if (asset === "script") {
+ response.setHeader("Content-Type", "application/javascript", false);
+ // green background on hint response, purple response otherwise
+ content = `window.onload = function() {
+ document.getElementById('square').style.background = "${
+ hinted ? "#1aff1a" : "#4b0092"
+ }";
+ }`;
+ } else if (asset === "fetch") {
+ response.setHeader("Content-Type", "text/plain", false);
+ content = hinted ? "hinted" : "normal";
+ }
+
+ response.write(content);
+}