1 files changed, 23 insertions, 0 deletions
diff --git a/dom/base/test/bug475156.sjs b/dom/base/test/bug475156.sjs
new file mode 100644
index 0000000000..9c54b69f65
--- /dev/null
+++ b/dom/base/test/bug475156.sjs
@@ -0,0 +1,23 @@
+function handleRequest(request, response) {
+  if (request.queryString == "") {
+    var etag = request.hasHeader("If-Match")
+      ? request.getHeader("If-Match")
+      : null;
+    if (!etag || etag == getState("etag")) {
+      response.setStatusLine(request.httpVersion, 200, "Ok");
+      response.setHeader("Content-Type", "text/html");
+      response.setHeader("ETag", getState("etag"));
+      response.setHeader("Cache-control", "max-age=36000");
+      response.write(getState("etag"));
+    } else if (etag) {
+      response.setStatusLine(request.httpVersion, 412, "Precondition Failed");
+    }
+  } else {
+    var etag = request.queryString.match(/^etag=(.*)$/);
+    if (etag) {
+      setState("etag", etag[1]);
+    }
+
+    response.setStatusLine(request.httpVersion, 204, "No content");
+  }
+}