AccessTest.cpp File Reference

#include <folly/container/Access.h>
#include <array>
#include <initializer_list>
#include <vector>
#include <folly/portability/GTest.h>

Go to the source code of this file.

Classes
class	AccessTest

Functions
	TEST_F (AccessTest, size_vector)
	TEST_F (AccessTest, size_array)
	TEST_F (AccessTest, size_carray)
	TEST_F (AccessTest, size_initializer_list)
	TEST_F (AccessTest, empty_vector)
	TEST_F (AccessTest, empty_array)
	TEST_F (AccessTest, empty_carray)
	TEST_F (AccessTest, empty_initializer_list)
	TEST_F (AccessTest, data_vector)
	TEST_F (AccessTest, data_array)
	TEST_F (AccessTest, data_carray)
	TEST_F (AccessTest, data_initializer_list)

Function Documentation

TEST_F	(	AccessTest	,
		size_vector
	)

Definition at line 27 of file AccessTest.cpp.

References EXPECT_EQ, and folly::size().

                                {
  EXPECT_EQ(3, folly::size(std::vector<int>{1, 2, 3}));
}

TEST_F	(	AccessTest	,
		size_array
	)

Definition at line 31 of file AccessTest.cpp.

References a, EXPECT_EQ, and folly::size().

                               {
  constexpr auto const a = std::array<int, 3>{{1, 2, 3}};
  constexpr auto const size = folly::size(a);
  EXPECT_EQ(3, size);
}

TEST_F	(	AccessTest	,
		size_carray
	)

Definition at line 37 of file AccessTest.cpp.

References a, EXPECT_EQ, and folly::size().

                                {
  constexpr int const a[3] = {1, 2, 3};
  constexpr auto const size = folly::size(a);
  EXPECT_EQ(3, size);
}

TEST_F	(	AccessTest	,
		size_initializer_list
	)

Definition at line 43 of file AccessTest.cpp.

References EXPECT_EQ, and folly::size().

                                          {
  EXPECT_EQ(3, folly::size({1, 2, 3}));
  EXPECT_EQ(3, folly::size(std::initializer_list<int>{1, 2, 3}));
}

TEST_F	(	AccessTest	,
		empty_vector
	)

Definition at line 48 of file AccessTest.cpp.

References folly::empty(), EXPECT_FALSE, and EXPECT_TRUE.

                                 {
  EXPECT_FALSE(folly::empty(std::vector<int>{1, 2, 3}));
  EXPECT_TRUE(folly::empty(std::vector<int>{}));
}

TEST_F	(	AccessTest	,
		empty_array
	)

Definition at line 53 of file AccessTest.cpp.

References a, folly::empty(), EXPECT_FALSE, and EXPECT_TRUE.

                                {
  {
    constexpr auto const a = std::array<int, 3>{{1, 2, 3}};
    constexpr auto const empty = folly::empty(a);
    EXPECT_FALSE(empty);
  }
  {
    constexpr auto const a = std::array<int, 0>{{}};
    constexpr auto const empty = folly::empty(a);
    EXPECT_TRUE(empty);
  }
}

TEST_F	(	AccessTest	,
		empty_carray
	)

Definition at line 66 of file AccessTest.cpp.

References a, folly::empty(), and EXPECT_FALSE.

                                 {
  constexpr int const a[3] = {1, 2, 3};
  constexpr auto const empty = folly::empty(a);
  EXPECT_FALSE(empty);
  //  zero-length arrays are not allowed in the language
}

TEST_F	(	AccessTest	,
		empty_initializer_list
	)

Definition at line 73 of file AccessTest.cpp.

References folly::empty(), EXPECT_FALSE, and EXPECT_TRUE.

                                           {
  EXPECT_FALSE(folly::empty({1, 2, 3}));
  EXPECT_FALSE(folly::empty(std::initializer_list<int>{1, 2, 3}));
  EXPECT_TRUE(folly::empty(std::initializer_list<int>{}));
}

TEST_F	(	AccessTest	,
		data_vector
	)

Definition at line 79 of file AccessTest.cpp.

References folly::data(), and EXPECT_EQ.

                                {
  EXPECT_EQ(1, *folly::data(std::vector<int>{1, 2, 3}));
  auto v = std::vector<int>{1, 2, 3};
  *folly::data(v) = 4;
  EXPECT_EQ(4, v[0]);
}

TEST_F	(	AccessTest	,
		data_array
	)

Definition at line 86 of file AccessTest.cpp.

References a, data, folly::data(), and EXPECT_EQ.

                               {
  constexpr auto const a = std::array<int, 3>{{1, 2, 3}};
  auto const data = folly::data(a); // not constexpr until C++17
  EXPECT_EQ(1, *data);
}

TEST_F	(	AccessTest	,
		data_carray
	)

Definition at line 92 of file AccessTest.cpp.

References a, data, folly::data(), and EXPECT_EQ.

                                {
  constexpr int const a[3] = {1, 2, 3};
  auto const data = folly::data(a); // not constexpr until C++17
  EXPECT_EQ(1, *data);
}

TEST_F	(	AccessTest	,
		data_initializer_list
	)

Definition at line 98 of file AccessTest.cpp.

References folly::data(), and EXPECT_EQ.

                                          {
  EXPECT_EQ(1, *folly::data({1, 2, 3}));
  EXPECT_EQ(1, *folly::data(std::initializer_list<int>{1, 2, 3}));
}