1 files changed, 80 insertions, 0 deletions
diff --git a/security/manager/ssl/tests/unit/test_sss_readstate_huge.js b/security/manager/ssl/tests/unit/test_sss_readstate_huge.js
new file mode 100644
index 0000000000..079fd598b4
--- /dev/null
+++ b/security/manager/ssl/tests/unit/test_sss_readstate_huge.js
@@ -0,0 +1,80 @@
+/* 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 create a site security service state file
+// that is too large and see that the site security service reads it properly
+// (this means discarding all entries after the 1024th).
+
+var gSSService = null;
+
+function checkStateRead(aSubject, aTopic, aData) {
+  if (aData == CLIENT_AUTH_FILE_NAME) {
+    return;
+  }
+
+  equal(aData, SSS_STATE_FILE_NAME);
+
+  ok(
+    gSSService.isSecureURI(Services.io.newURI("https://example0.example.com"))
+  );
+  ok(
+    gSSService.isSecureURI(Services.io.newURI("https://example423.example.com"))
+  );
+  ok(
+    gSSService.isSecureURI(
+      Services.io.newURI("https://example1023.example.com")
+    )
+  );
+  ok(
+    !gSSService.isSecureURI(
+      Services.io.newURI("https://example1024.example.com")
+    )
+  );
+  ok(
+    !gSSService.isSecureURI(
+      Services.io.newURI("https://example1025.example.com")
+    )
+  );
+  ok(
+    !gSSService.isSecureURI(
+      Services.io.newURI("https://example9000.example.com")
+    )
+  );
+  ok(
+    !gSSService.isSecureURI(
+      Services.io.newURI("https://example99999.example.com")
+    )
+  );
+  do_test_finished();
+}
+
+function run_test() {
+  let profileDir = do_get_profile();
+  let stateFile = profileDir.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 expiryTime = Date.now() + 100000;
+  let lines = [];
+  for (let i = 0; i < 10000; i++) {
+    // The 0s will all get squashed down into one 0 when they are read.
+    // This is just to make the file size large (>2MB).
+    lines.push(
+      `example${i}.example.com:HSTS\t` +
+        "0000000000000000000000000000000000000000000000000\t" +
+        "00000000000000000000000000000000000000\t" +
+        `${expiryTime},1,0000000000000000000000000000000000000000000000000000000000000000000000000`
+    );
+  }
+  writeLinesAndClose(lines, outputStream);
+  Services.obs.addObserver(checkStateRead, "data-storage-ready");
+  do_test_pending();
+  gSSService = Cc["@mozilla.org/ssservice;1"].getService(
+    Ci.nsISiteSecurityService
+  );
+  notEqual(gSSService, null);
+}