Rename the PolicyManager to UpdateManager.

This change renames the PolicyManager class, directory, tests, etc,
to avoid confusion with libpolicy and its classes.

BUG=chromium:373551
TEST=emerged on link.
CQ-DEPEND=CL:I43081673c7ba409f02273197da7915537bde39c6

Change-Id: Iffa76caa3b95ecbbdba87ab01006d1d8ce35a27f
Reviewed-on: https://chromium-review.googlesource.com/201876
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: David Zeuthen <zeuthen@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
diff --git a/update_manager/boxed_value_unittest.cc b/update_manager/boxed_value_unittest.cc
new file mode 100644
index 0000000..b42b361
--- /dev/null
+++ b/update_manager/boxed_value_unittest.cc
@@ -0,0 +1,218 @@
+// Copyright (c) 2014 The Chromium OS 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 <gtest/gtest.h>
+#include <list>
+#include <map>
+#include <set>
+#include <string>
+
+#include <base/strings/stringprintf.h>
+#include <base/time/time.h>
+
+#include "update_engine/update_manager/boxed_value.h"
+#include "update_engine/update_manager/shill_provider.h"
+#include "update_engine/update_manager/umtest_utils.h"
+#include "update_engine/update_manager/updater_provider.h"
+
+using base::Time;
+using base::TimeDelta;
+using std::list;
+using std::map;
+using std::set;
+using std::string;
+
+namespace chromeos_update_manager {
+
+// The DeleterMarker flags a bool variable when the class is destroyed.
+class DeleterMarker {
+ public:
+  DeleterMarker(bool* marker) : marker_(marker) { *marker_ = false; }
+
+  ~DeleterMarker() { *marker_ = true; }
+
+ private:
+  friend string BoxedValue::ValuePrinter<DeleterMarker>(const void *);
+
+  // Pointer to the bool marker.
+  bool* marker_;
+};
+
+template<>
+string BoxedValue::ValuePrinter<DeleterMarker>(const void *value) {
+  const DeleterMarker* val = reinterpret_cast<const DeleterMarker*>(value);
+  return base::StringPrintf("DeleterMarker:%s",
+                            *val->marker_ ? "true" : "false");
+}
+
+TEST(UmBoxedValueTest, Deleted) {
+  bool marker = true;
+  const DeleterMarker* deleter_marker = new DeleterMarker(&marker);
+
+  EXPECT_FALSE(marker);
+  BoxedValue* box = new BoxedValue(deleter_marker);
+  EXPECT_FALSE(marker);
+  delete box;
+  EXPECT_TRUE(marker);
+}
+
+TEST(UmBoxedValueTest, MoveConstructor) {
+  bool marker = true;
+  const DeleterMarker* deleter_marker = new DeleterMarker(&marker);
+
+  BoxedValue* box = new BoxedValue(deleter_marker);
+  BoxedValue* new_box = new BoxedValue(std::move(*box));
+  // box is now undefined but valid.
+  delete box;
+  EXPECT_FALSE(marker);
+  // The deleter_marker gets deleted at this point.
+  delete new_box;
+  EXPECT_TRUE(marker);
+}
+
+TEST(UmBoxedValueTest, MixedList) {
+  list<BoxedValue> lst;
+  // This is mostly a compile test.
+  lst.emplace_back(new const int(42));
+  lst.emplace_back(new const string("Hello world!"));
+  bool marker;
+  lst.emplace_back(new const DeleterMarker(&marker));
+  EXPECT_FALSE(marker);
+  lst.clear();
+  EXPECT_TRUE(marker);
+}
+
+TEST(UmBoxedValueTest, MixedMap) {
+  map<int, BoxedValue> m;
+  m.emplace(42, std::move(BoxedValue(new const string("Hola mundo!"))));
+
+  auto it = m.find(42);
+  ASSERT_NE(it, m.end());
+  UMTEST_EXPECT_NOT_NULL(it->second.value());
+  UMTEST_EXPECT_NULL(m[33].value());
+}
+
+TEST(UmBoxedValueTest, StringToString) {
+  EXPECT_EQ("Hej Verden!",
+            BoxedValue(new string("Hej Verden!")).ToString());
+}
+
+TEST(UmBoxedValueTest, IntToString) {
+  EXPECT_EQ("42", BoxedValue(new int(42)).ToString());
+}
+
+TEST(UmBoxedValueTest, Int64ToString) {
+  // -123456789012345 doensn't fit in 32-bit integers.
+  EXPECT_EQ("-123456789012345", BoxedValue(
+      new int64_t(-123456789012345LL)).ToString());
+}
+
+TEST(UmBoxedValueTest, UnsignedIntToString) {
+  // 4294967295 is the biggest possible 32-bit unsigned integer.
+  EXPECT_EQ("4294967295", BoxedValue(new unsigned int(4294967295U)).ToString());
+}
+
+TEST(UmBoxedValueTest, UnsignedInt64ToString) {
+  // 18446744073709551615 is the biggest possible 64-bit unsigned integer.
+  EXPECT_EQ("18446744073709551615", BoxedValue(
+      new uint64_t(18446744073709551615ULL)).ToString());
+}
+
+TEST(UmBoxedValueTest, BoolToString) {
+  EXPECT_EQ("false", BoxedValue(new bool(false)).ToString());
+  EXPECT_EQ("true", BoxedValue(new bool(true)).ToString());
+}
+
+TEST(UmBoxedValueTest, DoubleToString) {
+  EXPECT_EQ("1.501", BoxedValue(new double(1.501)).ToString());
+}
+
+TEST(UmBoxedValueTest, TimeToString) {
+  // Tue Apr 29 22:30:55 UTC 2014 is 1398810655 seconds since the Unix Epoch.
+  EXPECT_EQ("4/29/2014 22:30:55 GMT",
+            BoxedValue(new Time(Time::FromTimeT(1398810655))).ToString());
+}
+
+TEST(UmBoxedValueTest, TimeDeltaToString) {
+  // 12345 seconds is 3 hours, 25 minutes and 45 seconds.
+  EXPECT_EQ("3h25m45s",
+            BoxedValue(new TimeDelta(TimeDelta::FromSeconds(12345)))
+            .ToString());
+}
+
+TEST(UmBoxedValueTest, ConnectionTypeToString) {
+  EXPECT_EQ("Ethernet",
+            BoxedValue(new ConnectionType(ConnectionType::kEthernet))
+            .ToString());
+  EXPECT_EQ("Wifi",
+            BoxedValue(new ConnectionType(ConnectionType::kWifi)).ToString());
+  EXPECT_EQ("Wimax",
+            BoxedValue(new ConnectionType(ConnectionType::kWimax)).ToString());
+  EXPECT_EQ("Bluetooth",
+            BoxedValue(new ConnectionType(ConnectionType::kBluetooth))
+            .ToString());
+  EXPECT_EQ("Cellular",
+            BoxedValue(new ConnectionType(ConnectionType::kCellular))
+            .ToString());
+  EXPECT_EQ("Unknown",
+            BoxedValue(new ConnectionType(ConnectionType::kUnknown))
+            .ToString());
+}
+
+TEST(UmBoxedValueTest, ConnectionTetheringToString) {
+  EXPECT_EQ("Not Detected",
+            BoxedValue(new ConnectionTethering(
+                ConnectionTethering::kNotDetected)).ToString());
+  EXPECT_EQ("Suspected",
+            BoxedValue(new ConnectionTethering(ConnectionTethering::kSuspected))
+            .ToString());
+  EXPECT_EQ("Confirmed",
+            BoxedValue(new ConnectionTethering(ConnectionTethering::kConfirmed))
+            .ToString());
+  EXPECT_EQ("Unknown",
+            BoxedValue(new ConnectionTethering(ConnectionTethering::kUnknown))
+            .ToString());
+}
+
+TEST(UmBoxedValueTest, SetConnectionTypeToString) {
+  set<ConnectionType>* set1 = new set<ConnectionType>;
+  set1->insert(ConnectionType::kWimax);
+  set1->insert(ConnectionType::kEthernet);
+  EXPECT_EQ("Ethernet,Wimax", BoxedValue(set1).ToString());
+
+  set<ConnectionType>* set2 = new set<ConnectionType>;
+  set2->insert(ConnectionType::kWifi);
+  EXPECT_EQ("Wifi", BoxedValue(set2).ToString());
+}
+
+TEST(UmBoxedValueTest, StageToString) {
+  EXPECT_EQ("Idle",
+            BoxedValue(new Stage(Stage::kIdle)).ToString());
+  EXPECT_EQ("Checking For Update",
+            BoxedValue(new Stage(Stage::kCheckingForUpdate)).ToString());
+  EXPECT_EQ("Update Available",
+            BoxedValue(new Stage(Stage::kUpdateAvailable)).ToString());
+  EXPECT_EQ("Downloading",
+            BoxedValue(new Stage(Stage::kDownloading)).ToString());
+  EXPECT_EQ("Verifying",
+            BoxedValue(new Stage(Stage::kVerifying)).ToString());
+  EXPECT_EQ("Finalizing",
+            BoxedValue(new Stage(Stage::kFinalizing)).ToString());
+  EXPECT_EQ("Updated, Need Reboot",
+            BoxedValue(new Stage(Stage::kUpdatedNeedReboot)).ToString());
+  EXPECT_EQ("Reporting Error Event",
+            BoxedValue(new Stage(Stage::kReportingErrorEvent)).ToString());
+  EXPECT_EQ("Attempting Rollback",
+            BoxedValue(new Stage(Stage::kAttemptingRollback)).ToString());
+}
+
+TEST(UmBoxedValueTest, DeleterMarkerToString) {
+  bool marker = false;
+  BoxedValue value = BoxedValue(new DeleterMarker(&marker));
+  EXPECT_EQ("DeleterMarker:false", value.ToString());
+  marker = true;
+  EXPECT_EQ("DeleterMarker:true", value.ToString());
+}
+
+}  // namespace chromeos_update_manager