Convert //tools to use std::unique_ptr

tools/gn/operators_unittest.cc

 // Copyright (c) 2013 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 "tools/gn/operators.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 11 matching lines @@
 
 bool IsValueStringEqualing(const Value& v, const char* s) {
   if (v.type() != Value::STRING)
     return false;
   return v.string_value() == s;
 }
 
 // Returns a list populated with a single literal Value corresponding to the
 // given token. The token must outlive the list (since the list will just
 // copy the reference).
-scoped_ptr<ListNode> ListWithLiteral(const Token& token) {
-  scoped_ptr<ListNode> list(new ListNode);
-  list->append_item(scoped_ptr<ParseNode>(new LiteralNode(token)));
+std::unique_ptr<ListNode> ListWithLiteral(const Token& token) {
+  std::unique_ptr<ListNode> list(new ListNode);
+  list->append_item(std::unique_ptr<ParseNode>(new LiteralNode(token)));
   return list;
 }
 
 }  // namespace
 
 TEST(Operators, SourcesAppend) {
   Err err;
   TestWithScope setup;
 
   // Set up "sources" with an empty list.
   const char sources[] = "sources";
   setup.scope()->SetValue(sources, Value(nullptr, Value::LIST), nullptr);
 
   // Set up the operator.
   BinaryOpNode node;
   const char token_value[] = "+=";
   Token op(Location(), Token::PLUS_EQUALS, token_value);
   node.set_op(op);
 
   // Append to the sources variable.
   Token identifier_token(Location(), Token::IDENTIFIER, sources);
-  node.set_left(scoped_ptr<ParseNode>(new IdentifierNode(identifier_token)));
+  node.set_left(
+      std::unique_ptr<ParseNode>(new IdentifierNode(identifier_token)));
 
   // Set up the filter on the scope to remove everything ending with "rm"
-  scoped_ptr<PatternList> pattern_list(new PatternList);
+  std::unique_ptr<PatternList> pattern_list(new PatternList);
   pattern_list->Append(Pattern("*rm"));
   setup.scope()->set_sources_assignment_filter(std::move(pattern_list));
 
   // Append an integer.
   const char integer_value[] = "5";
   Token integer(Location(), Token::INTEGER, integer_value);
   node.set_right(ListWithLiteral(integer));
   node.Execute(setup.scope(), &err);
   EXPECT_FALSE(err.has_error());
 
   // Append a string that doesn't match the pattern, it should get appended.
   const char string_1_value[] = "\"good\"";
   Token string_1(Location(), Token::STRING, string_1_value);
   node.set_right(ListWithLiteral(string_1));
   node.Execute(setup.scope(), &err);
   EXPECT_FALSE(err.has_error());
 
   // Append a string that does match the pattern, it should be a no-op.
   const char string_2_value[] = "\"foo-rm\"";
   Token string_2(Location(), Token::STRING, string_2_value);
   node.set_right(ListWithLiteral(string_2));
   node.Execute(setup.scope(), &err);
   EXPECT_FALSE(err.has_error());
 
   // Append a list with the two strings from above.
   ListNode list;
-  list.append_item(scoped_ptr<ParseNode>(new LiteralNode(string_1)));
-  list.append_item(scoped_ptr<ParseNode>(new LiteralNode(string_2)));
+  list.append_item(std::unique_ptr<ParseNode>(new LiteralNode(string_1)));
+  list.append_item(std::unique_ptr<ParseNode>(new LiteralNode(string_2)));
   ExecuteBinaryOperator(setup.scope(), &node, node.left(), &list, &err);
   EXPECT_FALSE(err.has_error());
 
   // The sources variable in the scope should now have: [ 5, "good", "good" ]
   const Value* value = setup.scope()->GetValue(sources);
   ASSERT_TRUE(value);
   ASSERT_EQ(Value::LIST, value->type());
   ASSERT_EQ(3u, value->list_value().size());
   EXPECT_TRUE(IsValueIntegerEqualing(value->list_value()[0], 5));
   EXPECT_TRUE(IsValueStringEqualing(value->list_value()[1], "good"));
@@ skipping 11 matching lines @@
   setup.scope()->SetValue(foo, Value(nullptr, Value::LIST), nullptr);
 
   // Set up the operator.
   BinaryOpNode node;
   const char token_value[] = "+=";
   Token op(Location(), Token::PLUS_EQUALS, token_value);
   node.set_op(op);
 
   // Append to the foo variable.
   Token identifier_token(Location(), Token::IDENTIFIER, foo);
-  node.set_left(scoped_ptr<ParseNode>(new IdentifierNode(identifier_token)));
+  node.set_left(
+      std::unique_ptr<ParseNode>(new IdentifierNode(identifier_token)));
 
   // Append a list with a list, the result should be a nested list.
-  scoped_ptr<ListNode> outer_list(new ListNode);
+  std::unique_ptr<ListNode> outer_list(new ListNode);
   const char twelve_str[] = "12";
   Token twelve(Location(), Token::INTEGER, twelve_str);
   outer_list->append_item(ListWithLiteral(twelve));
   node.set_right(std::move(outer_list));
 
   Value ret = ExecuteBinaryOperator(setup.scope(), &node, node.left(),
                                     node.right(), &err);
   EXPECT_FALSE(err.has_error());
 
   // Return from the operator should always be "none", it should update the
   // value only.
   EXPECT_EQ(Value::NONE, ret.type());
 
   // The value should be updated with "[ [ 12 ] ]"
   Value result = *setup.scope()->GetValue(foo);
   ASSERT_EQ(Value::LIST, result.type());
   ASSERT_EQ(1u, result.list_value().size());
   ASSERT_EQ(Value::LIST, result.list_value()[0].type());
   ASSERT_EQ(1u, result.list_value()[0].list_value().size());
   ASSERT_EQ(Value::INTEGER, result.list_value()[0].list_value()[0].type());
   ASSERT_EQ(12, result.list_value()[0].list_value()[0].int_value());
 
   // Try to append an integer and a string directly (e.g. foo += "hi").
   // This should fail.
   const char str_str[] = "\"hi\"";
   Token str(Location(), Token::STRING, str_str);
-  node.set_right(scoped_ptr<ParseNode>(new LiteralNode(str)));
+  node.set_right(std::unique_ptr<ParseNode>(new LiteralNode(str)));
   ExecuteBinaryOperator(setup.scope(), &node, node.left(), node.right(), &err);
   EXPECT_TRUE(err.has_error());
   err = Err();
 
-  node.set_right(scoped_ptr<ParseNode>(new LiteralNode(twelve)));
+  node.set_right(std::unique_ptr<ParseNode>(new LiteralNode(twelve)));
   ExecuteBinaryOperator(setup.scope(), &node, node.left(), node.right(), &err);
   EXPECT_TRUE(err.has_error());
 }
 
 TEST(Operators, ShortCircuitAnd) {
   Err err;
   TestWithScope setup;
 
   // Set up the operator.
   BinaryOpNode node;
   const char token_value[] = "&&";
   Token op(Location(), Token::BOOLEAN_AND, token_value);
   node.set_op(op);
 
   // Set the left to false.
   const char false_str[] = "false";
   Token false_tok(Location(), Token::FALSE_TOKEN, false_str);
-  node.set_left(scoped_ptr<ParseNode>(new LiteralNode(false_tok)));
+  node.set_left(std::unique_ptr<ParseNode>(new LiteralNode(false_tok)));
 
   // Set right as foo, but don't define a value for it.
   const char foo[] = "foo";
   Token identifier_token(Location(), Token::IDENTIFIER, foo);
-  node.set_right(scoped_ptr<ParseNode>(new IdentifierNode(identifier_token)));
+  node.set_right(
+      std::unique_ptr<ParseNode>(new IdentifierNode(identifier_token)));
 
   Value ret = ExecuteBinaryOperator(setup.scope(), &node, node.left(),
                                     node.right(), &err);
   EXPECT_FALSE(err.has_error());
 }
 
 TEST(Operators, ShortCircuitOr) {
   Err err;
   TestWithScope setup;
 
   // Set up the operator.
   BinaryOpNode node;
   const char token_value[] = "||";
   Token op(Location(), Token::BOOLEAN_OR, token_value);
   node.set_op(op);
 
   // Set the left to false.
   const char false_str[] = "true";
   Token false_tok(Location(), Token::TRUE_TOKEN, false_str);
-  node.set_left(scoped_ptr<ParseNode>(new LiteralNode(false_tok)));
+  node.set_left(std::unique_ptr<ParseNode>(new LiteralNode(false_tok)));
 
   // Set right as foo, but don't define a value for it.
   const char foo[] = "foo";
   Token identifier_token(Location(), Token::IDENTIFIER, foo);
-  node.set_right(scoped_ptr<ParseNode>(new IdentifierNode(identifier_token)));
+  node.set_right(
+      std::unique_ptr<ParseNode>(new IdentifierNode(identifier_token)));
 
   Value ret = ExecuteBinaryOperator(setup.scope(), &node, node.left(),
                                     node.right(), &err);
   EXPECT_FALSE(err.has_error());
 }