1 files changed, 56 insertions, 0 deletions
diff --git a/dom/quota/test/xpcshell/test_clearStoragesForPrincipal.js b/dom/quota/test/xpcshell/test_clearStoragesForPrincipal.js
new file mode 100644
index 0000000000..1e8bed54b7
--- /dev/null
+++ b/dom/quota/test/xpcshell/test_clearStoragesForPrincipal.js
@@ -0,0 +1,56 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/**
+ * This test is an xpcshell test for clearStoragesForPrincipal. It verifies that
+ * if the removing client is the last client in the targeting origin, then it
+ * is expected to remove the origin directory as well.
+ */
+
+async function testSteps() {
+  const testingOrigins = [
+    {
+      origin: "http://example.com",
+      path: "storage/default/http+++example.com/",
+      only_idb: false,
+    },
+    {
+      origin: "http://www.mozilla.org",
+      path: "storage/default/http+++www.mozilla.org/",
+      only_idb: true,
+    },
+  ];
+  const removingClient = "idb";
+
+  info("Installing package to create the environment");
+  // The package is manually created and it contains:
+  // - storage/default/http+++www.mozilla.org/idb/
+  // - storage/default/http+++www.example.com/idb/
+  // - storage/default/http+++www.example.com/cache/
+  installPackage("clearStoragesForPrincipal_profile");
+
+  let request;
+  let file;
+  for (let i = 0; i < testingOrigins.length; ++i) {
+    info("Clearing");
+    request = clearClient(
+      getPrincipal(testingOrigins[i].origin),
+      null,
+      removingClient
+    );
+    await requestFinished(request);
+
+    info("Verifying");
+    file = getRelativeFile(testingOrigins[i].path + removingClient);
+    ok(!file.exists(), "Client file doesn't exist");
+
+    file = getRelativeFile(testingOrigins[i].path);
+    if (testingOrigins[i].only_idb) {
+      todo(!file.exists(), "Origin file doesn't exist");
+    } else {
+      ok(file.exists(), "Origin file does exist");
+    }
+  }
+}