1 files changed, 53 insertions, 0 deletions
diff --git a/netwerk/test/unit/test_cache2-07a-open-memory.js b/netwerk/test/unit/test_cache2-07a-open-memory.js
new file mode 100644
index 000000000..1018a4cba
--- /dev/null
+++ b/netwerk/test/unit/test_cache2-07a-open-memory.js
@@ -0,0 +1,53 @@
+function run_test()
+{
+  do_get_profile();
+
+  if (!newCacheBackEndUsed()) {
+    do_check_true(true, "This test doesn't run when the old cache back end is used since the behavior is different");
+    return;
+  }
+
+  // First check how behaves the memory storage.
+
+  asyncOpenCacheEntry("http://mem-first/", "memory", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+    new OpenCallback(NEW, "mem1-meta", "mem1-data", function(entryM1) {
+      do_check_false(entryM1.persistent);
+      asyncOpenCacheEntry("http://mem-first/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+        new OpenCallback(NORMAL, "mem1-meta", "mem1-data", function(entryM2) {
+          do_check_false(entryM1.persistent);
+          do_check_false(entryM2.persistent);
+
+          // Now check the disk storage behavior.
+
+          asyncOpenCacheEntry("http://disk-first/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+            // Must wait for write, since opening the entry as memory-only before the disk one
+            // is written would cause NS_ERROR_NOT_AVAILABLE from openOutputStream when writing
+            // this disk entry since it's doomed during opening of the memory-only entry for the same URL.
+            new OpenCallback(NEW|WAITFORWRITE, "disk1-meta", "disk1-data", function(entryD1) {
+              do_check_true(entryD1.persistent);
+              // Now open the same URL as a memory-only entry, the disk entry must be doomed.
+              asyncOpenCacheEntry("http://disk-first/", "memory", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+                // This must be recreated
+                new OpenCallback(NEW, "mem2-meta", "mem2-data", function(entryD2) {
+                  do_check_true(entryD1.persistent);
+                  do_check_false(entryD2.persistent);
+                  // Check we get it back, even when opening via the disk storage
+                  asyncOpenCacheEntry("http://disk-first/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
+                    new OpenCallback(NORMAL, "mem2-meta", "mem2-data", function(entryD3) {
+                      do_check_true(entryD1.persistent);
+                      do_check_false(entryD2.persistent);
+                      do_check_false(entryD3.persistent);
+                      finish_cache2_test();
+                    })
+                  );
+                })
+              );
+            })
+          );
+        })
+      );
+    })
+  );
+
+  do_test_pending();
+}