1 files changed, 27 insertions, 0 deletions
diff --git a/dom/workers/test/serviceworkers/claim_worker_2.js b/dom/workers/test/serviceworkers/claim_worker_2.js
new file mode 100644
index 000000000..be8281d34
--- /dev/null
+++ b/dom/workers/test/serviceworkers/claim_worker_2.js
@@ -0,0 +1,27 @@
+onactivate = function(e) {
+  var result = {
+    resolve_value: false,
+    match_count_before: -1,
+    match_count_after: -1,
+    message: "claim_worker_2"
+  };
+
+  self.clients.matchAll().then(function(matched) {
+    // should be 0
+    result.match_count_before = matched.length;
+  }).then(function() {
+    var claimPromise = self.clients.claim().then(function(ret) {
+      result.resolve_value = ret;
+    });
+
+    return claimPromise.then(self.clients.matchAll().then(function(matched) {
+      // should be 1
+      result.match_count_after = matched.length;
+      if (result.match_count_after === 1) {
+        matched[0].postMessage(result);
+      } else {
+        dump("ERROR: claim_worker_2 failed to capture clients.\n");
+      }
+    }));
+  });
+}