1 files changed, 93 insertions, 0 deletions
diff --git a/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_cache.js b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_cache.js
new file mode 100644
index 0000000000..c365dff5df
--- /dev/null
+++ b/browser/components/privatebrowsing/test/browser/browser_privatebrowsing_cache.js
@@ -0,0 +1,93 @@
+/* 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/. */
+
+// Check about:cache after private browsing
+// This test covers MozTrap test 6047
+// bug 880621
+
+var tmp = {};
+
+function test() {
+  waitForExplicitFinish();
+
+  SpecialPowers.pushPrefEnv(
+    {
+      set: [["privacy.partition.network_state", false]],
+    },
+    function () {
+      Sanitizer.sanitize(["cache"], { ignoreTimespan: false });
+
+      getStorageEntryCount("regular", function (nrEntriesR1) {
+        is(nrEntriesR1, 0, "Disk cache reports 0KB and has no entries");
+
+        get_cache_for_private_window();
+      });
+    }
+  );
+}
+
+function getStorageEntryCount(device, goon) {
+  var storage;
+  switch (device) {
+    case "private":
+      storage = Services.cache2.diskCacheStorage(
+        Services.loadContextInfo.private
+      );
+      break;
+    case "regular":
+      storage = Services.cache2.diskCacheStorage(
+        Services.loadContextInfo.default
+      );
+      break;
+    default:
+      throw new Error(`Unknown device ${device} at getStorageEntryCount`);
+  }
+
+  var visitor = {
+    entryCount: 0,
+    onCacheStorageInfo(aEntryCount, aConsumption) {},
+    onCacheEntryInfo(uri) {
+      var urispec = uri.asciiSpec;
+      info(device + ":" + urispec + "\n");
+      if (urispec.match(/^https:\/\/example.com\//)) {
+        ++this.entryCount;
+      }
+    },
+    onCacheEntryVisitCompleted() {
+      goon(this.entryCount);
+    },
+  };
+
+  storage.asyncVisitStorage(visitor, true);
+}
+
+function get_cache_for_private_window() {
+  let win = whenNewWindowLoaded({ private: true }, function () {
+    executeSoon(function () {
+      ok(true, "The private window got loaded");
+
+      let tab = BrowserTestUtils.addTab(win.gBrowser, "https://example.com");
+      win.gBrowser.selectedTab = tab;
+      let newTabBrowser = win.gBrowser.getBrowserForTab(tab);
+
+      BrowserTestUtils.browserLoaded(newTabBrowser).then(function () {
+        executeSoon(function () {
+          getStorageEntryCount("private", function (nrEntriesP) {
+            ok(
+              nrEntriesP >= 1,
+              "Memory cache reports some entries from example.org domain"
+            );
+
+            getStorageEntryCount("regular", function (nrEntriesR2) {
+              is(nrEntriesR2, 0, "Disk cache reports 0KB and has no entries");
+
+              win.close();
+              finish();
+            });
+          });
+        });
+      });
+    });
+  });
+}