GCC Code Coverage Report

Directory:	./
File:	TestRawRef.cpp
Date:	2026-03-21 20:51:59

	Exec	Total	Coverage
Lines:	25	25	100.0%
Functions:	6	6	100.0%
Branches:	32	86	37.2%

  
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      #include "Shape.hpp"
    
      #include "Verbose.hpp"
    
      #include "compat/gsl14.hpp"
    
      #include <functional>
    
      #include <gmock/gmock.h>
    
      #include <vector>
    
      using namespace testing;
    
      using namespace testing::internal;
    
      // Anonymous namespace for definitions that are local to this file.
    
      namespace {
    
          template <typename T>
    
          using RefContainer = std::vector<std::reference_wrapper<T>>;
    
      6
          bool less(const Verbose<>& left, const Verbose<>& right) {
    
      6
              return left.name() < right.name();
    
          }
    
      30
          const std::string& name(const Verbose<>& v) { return v.name(); }
    
          // Print the elements of a container of smart references.
    
          template <typename T>
    
      3
          void print(
    
                  const RefContainer<Verbose<T>>& container,
    
                  const std::string& prefix = "print: ") {
    
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              for (const auto& elem : container) {
    
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                  std::cout << prefix << name(elem) << std::endl;
    
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      9
                  EXPECT_THAT(name(elem), Not(HasSubstr("copy")));
    
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      9
                  EXPECT_THAT(name(elem), Not(HasSubstr("move")));
    
              }
    
      3
          }
    
      } // anonymous namespace
    
      8
      TEST(RawRef, container) {
    
      2
          auto container = std::vector<Verbose<>>{};
    
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          container.reserve(3); // avoid reallocation
    
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          container.emplace_back("one");
    
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          container.emplace_back("two");
    
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          container.emplace_back("three");
    
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          auto refContainer =
    
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                  RefContainer<Verbose<>>(container.begin(), container.end());
    
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          print(refContainer, "ref: ");
    
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          EXPECT_EQ("two", name(refContainer[1]));
    
          // Copying a container of references
    
          // does not copy or move the referenced objects.
    
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          auto container_copy = refContainer;
    
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          print(container_copy, "copy: ");
    
          // Sorting a container of references
    
          // does not affect the original container.
    
      #if __cplusplus >= 202002L // since C++20
    
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          std::ranges::sort(refContainer, less);
    
      #else // until C++20
    
          std::sort(refContainer.begin(), refContainer.end(), less);
    
      #endif // C++20
    
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          print(refContainer, "sorted: ");
    
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      2
          EXPECT_EQ(name(container[2]), name(refContainer[1]));
    
      4
      }

Line	Branch	Exec	Source
1			#include "Shape.hpp"
2			#include "Verbose.hpp"
3			#include "compat/gsl14.hpp"
4			#include <functional>
5			#include <gmock/gmock.h>
6			#include <vector>
7
8			using namespace testing;
9			using namespace testing::internal;
10
11			// Anonymous namespace for definitions that are local to this file.
12			namespace {
13			template <typename T>
14			using RefContainer = std::vector<std::reference_wrapper<T>>;
15
16		6	bool less(const Verbose<>& left, const Verbose<>& right) {
17		6	return left.name() < right.name();
18			}
19
20		30	const std::string& name(const Verbose<>& v) { return v.name(); }
21
22			// Print the elements of a container of smart references.
23			template <typename T>
24		3	void print(
25			const RefContainer<Verbose<T>>& container,
26			const std::string& prefix = "print: ") {
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31			}
32		3	}
33			} // anonymous namespace
34
35		8	TEST(RawRef, container) {
36		2	auto container = std::vector<Verbose<>>{};
37	1/2 ✓ Branch 1 taken 1 times. ✗ Branch 2 not taken.	2	container.reserve(3); // avoid reallocation
38	1/2 ✓ Branch 1 taken 1 times. ✗ Branch 2 not taken.	2	container.emplace_back("one");
39	1/2 ✓ Branch 1 taken 1 times. ✗ Branch 2 not taken.	2	container.emplace_back("two");
40	1/2 ✓ Branch 1 taken 1 times. ✗ Branch 2 not taken.	2	container.emplace_back("three");
41
42		2	auto refContainer =
43	1/2 ✓ Branch 6 taken 1 times. ✗ Branch 7 not taken.	6	RefContainer<Verbose<>>(container.begin(), container.end());
44
45	2/4 ✓ Branch 3 taken 1 times. ✗ Branch 4 not taken. ✓ Branch 7 taken 1 times. ✗ Branch 8 not taken.	6	print(refContainer, "ref: ");
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47
48			// Copying a container of references
49			// does not copy or move the referenced objects.
50	1/2 ✓ Branch 2 taken 1 times. ✗ Branch 3 not taken.	2	auto container_copy = refContainer;
51	2/4 ✓ Branch 3 taken 1 times. ✗ Branch 4 not taken. ✓ Branch 7 taken 1 times. ✗ Branch 8 not taken.	6	print(container_copy, "copy: ");
52
53			// Sorting a container of references
54			// does not affect the original container.
55			#if __cplusplus >= 202002L // since C++20
56	1/2 ✓ Branch 2 taken 1 times. ✗ Branch 3 not taken.	2	std::ranges::sort(refContainer, less);
57			#else // until C++20
58			std::sort(refContainer.begin(), refContainer.end(), less);
59			#endif // C++20
60
61	2/4 ✓ Branch 3 taken 1 times. ✗ Branch 4 not taken. ✓ Branch 7 taken 1 times. ✗ Branch 8 not taken.	6	print(refContainer, "sorted: ");
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63		4	}
64