[ServiceWorker] Tests for Cache

LayoutTests/http/tests/serviceworker/resources/interfaces-worker.js

Index: LayoutTests/http/tests/serviceworker/resources/interfaces-worker.js
diff --git a/LayoutTests/http/tests/serviceworker/resources/interfaces-worker.js b/LayoutTests/http/tests/serviceworker/resources/interfaces-worker.js
index b03c2238a78d5d692ec6e9b74ed80e5134e85df8..94bc4e8b589359a615d5bff78274a1adb4fac40c 100644
--- a/LayoutTests/http/tests/serviceworker/resources/interfaces-worker.js
+++ b/LayoutTests/http/tests/serviceworker/resources/interfaces-worker.js
@@ -37,3 +37,20 @@ test(function() {
                       keys: 'function'
                     });
   }, 'Interfaces and attributes in ServiceWorkerGlobalScope');
+
+promise_test(function(t) {
+    return create_temporary_cache(t)
+      .then(function(cache) {
+          verifyInterface('Cache',
+                          cache,
+                          {
+                            match: 'function',
+                            matchAll: 'function',
+                            add: 'function',
+                            addAll: 'function',
+                            put: 'function',
+                            delete: 'function',
+                            keys: 'function'
+                          });
+        });
+  }, 'Cache');