Replace rtc::cricket::Settable with rtc::Maybe

webrtc/base/maybe_unittest.cc

 /*
  *  Copyright 2015 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 126 matching lines @@
   }
   EXPECT_EQ(V("0:0. default constructor", "1:0. copy constructor (from 0:0)",
               "1:0. destructor", "0:0. destructor"),
             *log);
 }
 
 TEST(MaybeTest, TestConstructCopyFull) {
   auto log = Logger::Setup();
   {
     Logger a;
-    Maybe<Logger> x = a;
+    Maybe<Logger> x(a);
     EXPECT_TRUE(x);
     log->push_back("---");
     auto y = x;
     EXPECT_TRUE(y);
     log->push_back("---");
   }
   EXPECT_EQ(V("0:0. default constructor", "1:0. copy constructor (from 0:0)",
               "---", "2:0. copy constructor (from 1:0)", "---",
               "2:0. destructor", "1:0. destructor", "0:0. destructor"),
             *log);
 }
 
 TEST(MaybeTest, TestConstructMoveEmpty) {
   auto log = Logger::Setup();
   {
     Maybe<Logger> x;
     EXPECT_FALSE(x);
     auto y = static_cast<Maybe<Logger>&&>(x);
     EXPECT_FALSE(y);
   }
   EXPECT_EQ(V("0:0. default constructor", "1:0. move constructor (from 0:0)",
               "1:0. destructor", "0:0. destructor"),
             *log);
 }
 
 TEST(MaybeTest, TestConstructMoveFull) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(17);
+    Maybe<Logger> x(Logger(17));
     EXPECT_TRUE(x);
     log->push_back("---");
     auto y = static_cast<Maybe<Logger>&&>(x);
     EXPECT_TRUE(x);
     EXPECT_TRUE(y);
     log->push_back("---");
   }
   EXPECT_EQ(
       V("0:17. explicit constructor", "1:17. move constructor (from 0:17)",
         "0:17. destructor", "---", "2:17. move constructor (from 1:17)", "---",
         "2:17. destructor", "1:17. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestCopyAssignToEmptyFromEmpty) {
   auto log = Logger::Setup();
   {
     Maybe<Logger> x, y;
     x = y;
   }
   EXPECT_EQ(
       V("0:0. default constructor", "1:1. default constructor",
         "0:1. operator= copy (from 1:1)", "1:1. destructor", "0:1. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestCopyAssignToFullFromEmpty) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(17);
+    Maybe<Logger> x(Logger(17));
     Maybe<Logger> y;
     log->push_back("---");
     x = y;
     log->push_back("---");
   }
   EXPECT_EQ(
       V("0:17. explicit constructor", "1:17. move constructor (from 0:17)",
         "0:17. destructor", "2:2. default constructor", "---",
         "1:2. operator= copy (from 2:2)", "---", "2:2. destructor",
         "1:2. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestCopyAssignToEmptyFromFull) {
   auto log = Logger::Setup();
   {
     Maybe<Logger> x;
-    Maybe<Logger> y = Logger(17);
+    Maybe<Logger> y(Logger(17));
     log->push_back("---");
     x = y;
     log->push_back("---");
   }
   EXPECT_EQ(V("0:0. default constructor", "1:17. explicit constructor",
               "2:17. move constructor (from 1:17)", "1:17. destructor", "---",
               "0:17. operator= copy (from 2:17)", "---", "2:17. destructor",
               "0:17. destructor"),
             *log);
 }
 
 TEST(MaybeTest, TestCopyAssignToFullFromFull) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(17);
-    Maybe<Logger> y = Logger(42);
+    Maybe<Logger> x(Logger(17));
+    Maybe<Logger> y(Logger(42));
     log->push_back("---");
     x = y;
     log->push_back("---");
   }
   EXPECT_EQ(
       V("0:17. explicit constructor", "1:17. move constructor (from 0:17)",
         "0:17. destructor", "2:42. explicit constructor",
         "3:42. move constructor (from 2:42)", "2:42. destructor", "---",
         "1:42. operator= copy (from 3:42)", "---", "3:42. destructor",
         "1:42. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestCopyAssignToEmptyFromT) {
   auto log = Logger::Setup();
   {
     Maybe<Logger> x;
     Logger y(17);
     log->push_back("---");
-    x = y;
+    x = rtc::Maybe<Logger>(y);
     log->push_back("---");
   }
   EXPECT_EQ(V("0:0. default constructor", "1:17. explicit constructor", "---",
-              "0:17. operator= copy (from 1:17)", "---", "1:17. destructor",
-              "0:17. destructor"),
+              "2:17. copy constructor (from 1:17)",
+              "0:17. operator= move (from 2:17)", "2:17. destructor", "---",
+              "1:17. destructor", "0:17. destructor"),
             *log);
 }
 
 TEST(MaybeTest, TestCopyAssignToFullFromT) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(17);
+    Maybe<Logger> x(Logger(17));
     Logger y(42);
     log->push_back("---");
-    x = y;
+    x = rtc::Maybe<Logger>(y);
     log->push_back("---");
   }
   EXPECT_EQ(
       V("0:17. explicit constructor", "1:17. move constructor (from 0:17)",
         "0:17. destructor", "2:42. explicit constructor", "---",
-        "1:42. operator= copy (from 2:42)", "---", "2:42. destructor",
-        "1:42. destructor"),
+        "3:42. copy constructor (from 2:42)",
+        "1:42. operator= move (from 3:42)", "3:42. destructor", "---",
+        "2:42. destructor", "1:42. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestMoveAssignToEmptyFromEmpty) {
   auto log = Logger::Setup();
   {
     Maybe<Logger> x, y;
     x = static_cast<Maybe<Logger>&&>(y);
   }
   EXPECT_EQ(
       V("0:0. default constructor", "1:1. default constructor",
         "0:1. operator= move (from 1:1)", "1:1. destructor", "0:1. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestMoveAssignToFullFromEmpty) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(17);
+    Maybe<Logger> x(Logger(17));
     Maybe<Logger> y;
     log->push_back("---");
     x = static_cast<Maybe<Logger>&&>(y);
     log->push_back("---");
   }
   EXPECT_EQ(
       V("0:17. explicit constructor", "1:17. move constructor (from 0:17)",
         "0:17. destructor", "2:2. default constructor", "---",
         "1:2. operator= move (from 2:2)", "---", "2:2. destructor",
         "1:2. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestMoveAssignToEmptyFromFull) {
   auto log = Logger::Setup();
   {
     Maybe<Logger> x;
-    Maybe<Logger> y = Logger(17);
+    Maybe<Logger> y(Logger(17));
     log->push_back("---");
     x = static_cast<Maybe<Logger>&&>(y);
     log->push_back("---");
   }
   EXPECT_EQ(V("0:0. default constructor", "1:17. explicit constructor",
               "2:17. move constructor (from 1:17)", "1:17. destructor", "---",
               "0:17. operator= move (from 2:17)", "---", "2:17. destructor",
               "0:17. destructor"),
             *log);
 }
 
 TEST(MaybeTest, TestMoveAssignToFullFromFull) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(17);
-    Maybe<Logger> y = Logger(42);
+    Maybe<Logger> x(Logger(17));
+    Maybe<Logger> y(Logger(42));
     log->push_back("---");
     x = static_cast<Maybe<Logger>&&>(y);
     log->push_back("---");
   }
   EXPECT_EQ(
       V("0:17. explicit constructor", "1:17. move constructor (from 0:17)",
         "0:17. destructor", "2:42. explicit constructor",
         "3:42. move constructor (from 2:42)", "2:42. destructor", "---",
         "1:42. operator= move (from 3:42)", "---", "3:42. destructor",
         "1:42. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestMoveAssignToEmptyFromT) {
   auto log = Logger::Setup();
   {
     Maybe<Logger> x;
     Logger y(17);
     log->push_back("---");
-    x = static_cast<Logger&&>(y);
+    x = rtc::Maybe<Logger>(static_cast<Logger&&>(y));
     log->push_back("---");
   }
   EXPECT_EQ(V("0:0. default constructor", "1:17. explicit constructor", "---",
-              "0:17. operator= move (from 1:17)", "---", "1:17. destructor",
-              "0:17. destructor"),
+              "2:17. move constructor (from 1:17)",
+              "0:17. operator= move (from 2:17)", "2:17. destructor", "---",
+              "1:17. destructor", "0:17. destructor"),
             *log);
 }
 
 TEST(MaybeTest, TestMoveAssignToFullFromT) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(17);
+    Maybe<Logger> x(Logger(17));
     Logger y(42);
     log->push_back("---");
-    x = static_cast<Logger&&>(y);
+    x = rtc::Maybe<Logger>(static_cast<Logger&&>(y));
     log->push_back("---");
   }
   EXPECT_EQ(
       V("0:17. explicit constructor", "1:17. move constructor (from 0:17)",
         "0:17. destructor", "2:42. explicit constructor", "---",
-        "1:42. operator= move (from 2:42)", "---", "2:42. destructor",
-        "1:42. destructor"),
+        "3:42. move constructor (from 2:42)",
+        "1:42. operator= move (from 3:42)", "3:42. destructor", "---",
+        "2:42. destructor", "1:42. destructor"),
       *log);
 }
 
 TEST(MaybeTest, TestDereference) {
   auto log = Logger::Setup();
   {
-    Maybe<Logger> x = Logger(42);
+    Maybe<Logger> x(Logger(42));
     const auto& y = x;
     log->push_back("---");
     x->Foo();
     y->Foo();
     static_cast<Maybe<Logger>&&>(x)->Foo();
     static_cast<const Maybe<Logger>&&>(y)->Foo();
     log->push_back("---");
     (*x).Foo();
     (*y).Foo();
     (*static_cast<Maybe<Logger>&&>(x)).Foo();
@@ skipping 81 matching lines @@
               "4:17. copy constructor (from 0:17)", "5:5. default constructor",
               "6:6. default constructor", "7:7. default constructor", "---",
               "swap 2:42, 3:17", "swap 4:5, 5:17", "swap 6:7, 7:6", "---",
               "7:6. destructor", "6:7. destructor", "5:17. destructor",
               "4:5. destructor", "3:17. destructor", "2:42. destructor",
               "1:42. destructor", "0:17. destructor"),
             *log);
 }
 
 }  // namespace rtc