gecko-dev/netwerk/test/unit/test_cache2-07-visit-memory.js

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;
  }

  // Add entry to the memory storage
  var mc = new MultipleCallbacks(5, function() {
    // Check it's there by visiting the storage
    syncWithCacheIOThread(function() {
      var storage = getCacheStorage("memory");
      storage.asyncVisitStorage(
        new VisitCallback(1, 12, ["http://mem1/"], function() {
          storage = getCacheStorage("disk");
          storage.asyncVisitStorage(
            // Previous tests should store 4 disk entries
            new VisitCallback(4, 4096, ["http://a/", "http://b/", "http://c/", "http://d/"], function() {
              finish_cache2_test();
            }),
            true
          );
        }),
        true
      );
    });
  });

  asyncOpenCacheEntry("http://mem1/", "memory", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    new OpenCallback(NEW, "m1m", "m1d", function(entry) {
      asyncOpenCacheEntry("http://mem1/", "memory", Ci.nsICacheStorage.OPEN_NORMALLY, null,
        new OpenCallback(NORMAL, "m1m", "m1d", function(entry) {
          mc.fired();
        })
      );
    })
  );

  asyncOpenCacheEntry("http://a/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    new OpenCallback(NEW, "a1m", "a1d", function(entry) {
      asyncOpenCacheEntry("http://a/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
        new OpenCallback(NORMAL, "a1m", "a1d", function(entry) {
          mc.fired();
        })
      );
    })
  );

  asyncOpenCacheEntry("http://b/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    new OpenCallback(NEW, "a1m", "a1d", function(entry) {
      asyncOpenCacheEntry("http://b/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
        new OpenCallback(NORMAL, "a1m", "a1d", function(entry) {
          mc.fired();
        })
      );
    })
  );

  asyncOpenCacheEntry("http://c/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    new OpenCallback(NEW, "a1m", "a1d", function(entry) {
      asyncOpenCacheEntry("http://c/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
        new OpenCallback(NORMAL, "a1m", "a1d", function(entry) {
          mc.fired();
        })
      );
    })
  );

  asyncOpenCacheEntry("http://d/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    new OpenCallback(NEW, "a1m", "a1d", function(entry) {
      asyncOpenCacheEntry("http://d/", "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
        new OpenCallback(NORMAL, "a1m", "a1d", function(entry) {
          mc.fired();
        })
      );
    })
  );

  do_test_pending();
}