diff --git a/keystore/tests/Android.bp b/keystore/tests/Android.bp
index 1ce1210..25fa10b 100644
--- a/keystore/tests/Android.bp
+++ b/keystore/tests/Android.bp
@@ -37,3 +37,33 @@
      cfi: false,
    }
 }
+
+cc_test {
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+        "-O0",
+    ],
+    srcs: [
+        "confirmationui_invocation_test.cpp",
+        "gtest_main.cpp",
+    ],
+    name: "confirmationui_invocation_test",
+    static_libs: [
+        "android.hardware.confirmationui@1.0",
+        "libbase",
+        "libgtest_main",
+        "libutils",
+        "liblog",
+    ],
+    shared_libs: [
+        "libbinder",
+        "libkeystore_aidl", // for IKeyStoreService.asInterface()
+        "libkeystore_binder",
+        "libkeystore_parcelables",
+    ],
+   sanitize: {
+     cfi: false,
+   }
+}
diff --git a/keystore/tests/confirmationui_invocation_test.cpp b/keystore/tests/confirmationui_invocation_test.cpp
new file mode 100644
index 0000000..f5182b5
--- /dev/null
+++ b/keystore/tests/confirmationui_invocation_test.cpp
@@ -0,0 +1,92 @@
+/*
+**
+** Copyright 2019, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+#include <android/hardware/confirmationui/1.0/types.h>
+#include <android/security/BnConfirmationPromptCallback.h>
+#include <android/security/keystore/IKeystoreService.h>
+#include <binder/IPCThreadState.h>
+#include <binder/IServiceManager.h>
+
+#include <gtest/gtest.h>
+
+#include <chrono>
+#include <future>
+#include <tuple>
+#include <vector>
+
+using ConfirmationResponseCode = android::hardware::confirmationui::V1_0::ResponseCode;
+using android::IBinder;
+using android::IServiceManager;
+using android::sp;
+using android::String16;
+using android::security::keystore::IKeystoreService;
+
+using namespace std::literals::chrono_literals;
+
+class ConfirmationListener
+    : public android::security::BnConfirmationPromptCallback,
+      public std::promise<std::tuple<ConfirmationResponseCode, std::vector<uint8_t>>> {
+  public:
+    ConfirmationListener() {}
+
+    virtual ::android::binder::Status
+    onConfirmationPromptCompleted(int32_t result,
+                                  const ::std::vector<uint8_t>& dataThatWasConfirmed) override {
+        this->set_value({static_cast<ConfirmationResponseCode>(result), dataThatWasConfirmed});
+        return ::android::binder::Status::ok();
+    }
+};
+
+TEST(ConfirmationInvocationTest, InvokeAndCancel) {
+    android::ProcessState::self()->startThreadPool();
+
+    sp<IServiceManager> sm = android::defaultServiceManager();
+    sp<IBinder> binder = sm->getService(String16("android.security.keystore"));
+    sp<IKeystoreService> service = android::interface_cast<IKeystoreService>(binder);
+    ASSERT_TRUE(service);
+
+    String16 promptText16("Just a little test!");
+    String16 locale16("en");
+    std::vector<uint8_t> extraData{0xaa, 0xff, 0x00, 0x55};
+
+    sp<ConfirmationListener> listener = new ConfirmationListener();
+
+    auto future = listener->get_future();
+    int32_t aidl_return;
+
+    android::binder::Status status = service->presentConfirmationPrompt(
+        listener, promptText16, extraData, locale16, 0, &aidl_return);
+    ASSERT_TRUE(status.isOk()) << "Presenting confirmation prompt failed with binder status '"
+                               << status.toString8().c_str() << "'.\n";
+    ConfirmationResponseCode responseCode = static_cast<ConfirmationResponseCode>(aidl_return);
+    ASSERT_EQ(responseCode, ConfirmationResponseCode::OK)
+        << "Presenting confirmation prompt failed with response code " << aidl_return << ".\n";
+
+    auto fstatus = future.wait_for(2s);
+    EXPECT_EQ(fstatus, std::future_status::timeout);
+
+    status = service->cancelConfirmationPrompt(listener, &aidl_return);
+    ASSERT_TRUE(status.isOk());
+
+    responseCode = static_cast<ConfirmationResponseCode>(aidl_return);
+    ASSERT_EQ(responseCode, ConfirmationResponseCode::OK);
+
+    future.wait();
+    auto [rc, dataThatWasConfirmed] = future.get();
+
+    ASSERT_EQ(rc, ConfirmationResponseCode::Aborted);
+}