1 files changed, 88 insertions, 0 deletions
diff --git a/security/manager/ssl/tests/unit/test_sss_eviction.js b/security/manager/ssl/tests/unit/test_sss_eviction.js
new file mode 100644
index 0000000000..eee9e00e22
--- /dev/null
+++ b/security/manager/ssl/tests/unit/test_sss_eviction.js
@@ -0,0 +1,88 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+// The purpose of this test is to check that a frequently visited site
+// will not be evicted over an infrequently visited site.
+
+var gSSService = null;
+var gProfileDir = null;
+
+function do_state_written(aSubject, aTopic, aData) {
+  if (aData == CLIENT_AUTH_FILE_NAME) {
+    return;
+  }
+
+  equal(aData, SSS_STATE_FILE_NAME);
+
+  let stateFile = gProfileDir.clone();
+  stateFile.append(SSS_STATE_FILE_NAME);
+  ok(stateFile.exists());
+  let stateFileContents = readFile(stateFile);
+  // the last part is removed because it's the empty string after the final \n
+  let lines = stateFileContents.split("\n").slice(0, -1);
+  // We can receive multiple data-storage-written events. In particular, we
+  // may receive one where DataStorage wrote out data before we were done
+  // processing all of our headers. In this case, the data may not be
+  // as we expect. We only care about the final one being correct, however,
+  // so we return and wait for the next event if things aren't as we expect.
+  // There should be 1024 entries.
+  if (lines.length != 1024) {
+    return;
+  }
+
+  let foundLegitSite = false;
+  for (let line of lines) {
+    if (line.startsWith("frequentlyused.example.com:HSTS")) {
+      foundLegitSite = true;
+      break;
+    }
+  }
+
+  ok(foundLegitSite);
+  do_test_finished();
+}
+
+function do_state_read(aSubject, aTopic, aData) {
+  if (aData == CLIENT_AUTH_FILE_NAME) {
+    return;
+  }
+
+  equal(aData, SSS_STATE_FILE_NAME);
+
+  ok(
+    gSSService.isSecureURI(
+      Services.io.newURI("https://frequentlyused.example.com")
+    )
+  );
+  for (let i = 0; i < 2000; i++) {
+    let uri = Services.io.newURI("http://bad" + i + ".example.com");
+    gSSService.processHeader(uri, "max-age=1000");
+  }
+  do_test_pending();
+  Services.obs.addObserver(do_state_written, "data-storage-written");
+  do_test_finished();
+}
+
+function run_test() {
+  Services.prefs.setIntPref("test.datastorage.write_timer_ms", 100);
+  gProfileDir = do_get_profile();
+  let stateFile = gProfileDir.clone();
+  stateFile.append(SSS_STATE_FILE_NAME);
+  // Assuming we're working with a clean slate, the file shouldn't exist
+  // until we create it.
+  ok(!stateFile.exists());
+  let outputStream = FileUtils.openFileOutputStream(stateFile);
+  let now = new Date().getTime();
+  let line =
+    "frequentlyused.example.com:HSTS\t4\t0\t" + (now + 100000) + ",1,0\n";
+  outputStream.write(line, line.length);
+  outputStream.close();
+  Services.obs.addObserver(do_state_read, "data-storage-ready");
+  do_test_pending();
+  gSSService = Cc["@mozilla.org/ssservice;1"].getService(
+    Ci.nsISiteSecurityService
+  );
+  notEqual(gSSService, null);
+}