Test current behavior of -component-updater=fast-update in ConfiguratorImpl.

components/component_updater/configurator_impl_unittest.cc

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include <memory>
+
+#include "base/command_line.h"
+#include "base/macros.h"
+#include "components/component_updater/configurator_impl.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace component_updater {
+
+namespace {
+
+const int kDelayOneMinute = 60;
+const int kDelayOneHour = kDelayOneMinute * 60;
+
+}  // namespace
+
+using base::CommandLine;
+
+class ComponentUpdaterConfiguratorImplTest : public testing::Test {
+ public:
+  ComponentUpdaterConfiguratorImplTest() {}
+  ~ComponentUpdaterConfiguratorImplTest() override {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ComponentUpdaterConfiguratorImplTest);
+};
+
+TEST_F(ComponentUpdaterConfiguratorImplTest, FastUpdate) {
+  // Test the default timing values when no command line argument is present.
+  base::CommandLine cmdline(base::CommandLine::NO_PROGRAM);
+  std::unique_ptr<ConfiguratorImpl> config(
+      new ConfiguratorImpl(&cmdline, nullptr, false));
+  CHECK_EQ(6 * kDelayOneMinute, config->InitialDelay());
+  CHECK_EQ(6 * kDelayOneHour, config->NextCheckDelay());
+  CHECK_EQ(1, config->StepDelay());
+  CHECK_EQ(30 * kDelayOneMinute, config->OnDemandDelay());
+  CHECK_EQ(15 * kDelayOneMinute, config->UpdateDelay());
+
+  // Test the fast-update timings.
+  cmdline.AppendSwitchASCII("--component-updater", "fast-update");
+  config.reset(new ConfiguratorImpl(&cmdline, nullptr, false));
+  CHECK_EQ(10, config->InitialDelay());
+  CHECK_EQ(kDelayOneMinute, config->NextCheckDelay());
+  CHECK_EQ(1, config->StepDelay());
+  CHECK_EQ(2, config->OnDemandDelay());
+  CHECK_EQ(10, config->UpdateDelay());
+}
+
+}  // namespace component_updater