about summary refs log tree commit diff
path: root/third_party/abseil_cpp/absl/functional/bind_front_test.cc
diff options
context:
space:
mode:
Diffstat (limited to 'third_party/abseil_cpp/absl/functional/bind_front_test.cc')
-rw-r--r--third_party/abseil_cpp/absl/functional/bind_front_test.cc231
1 files changed, 0 insertions, 231 deletions
diff --git a/third_party/abseil_cpp/absl/functional/bind_front_test.cc b/third_party/abseil_cpp/absl/functional/bind_front_test.cc
deleted file mode 100644
index 4801a81caf0d..000000000000
--- a/third_party/abseil_cpp/absl/functional/bind_front_test.cc
+++ /dev/null
@@ -1,231 +0,0 @@
-// Copyright 2018 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#include "absl/functional/bind_front.h"
-
-#include <stddef.h>
-
-#include <functional>
-#include <memory>
-#include <string>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "absl/memory/memory.h"
-
-namespace {
-
-char CharAt(const char* s, size_t index) { return s[index]; }
-
-TEST(BindTest, Basics) {
-  EXPECT_EQ('C', absl::bind_front(CharAt)("ABC", 2));
-  EXPECT_EQ('C', absl::bind_front(CharAt, "ABC")(2));
-  EXPECT_EQ('C', absl::bind_front(CharAt, "ABC", 2)());
-}
-
-TEST(BindTest, Lambda) {
-  auto lambda = [](int x, int y, int z) { return x + y + z; };
-  EXPECT_EQ(6, absl::bind_front(lambda)(1, 2, 3));
-  EXPECT_EQ(6, absl::bind_front(lambda, 1)(2, 3));
-  EXPECT_EQ(6, absl::bind_front(lambda, 1, 2)(3));
-  EXPECT_EQ(6, absl::bind_front(lambda, 1, 2, 3)());
-}
-
-struct Functor {
-  std::string operator()() & { return "&"; }
-  std::string operator()() const& { return "const&"; }
-  std::string operator()() && { return "&&"; }
-  std::string operator()() const&& { return "const&&"; }
-};
-
-TEST(BindTest, PerfectForwardingOfBoundArgs) {
-  auto f = absl::bind_front(Functor());
-  const auto& cf = f;
-  EXPECT_EQ("&", f());
-  EXPECT_EQ("const&", cf());
-  EXPECT_EQ("&&", std::move(f)());
-  EXPECT_EQ("const&&", std::move(cf)());
-}
-
-struct ArgDescribe {
-  std::string operator()(int&) const { return "&"; }             // NOLINT
-  std::string operator()(const int&) const { return "const&"; }  // NOLINT
-  std::string operator()(int&&) const { return "&&"; }
-  std::string operator()(const int&&) const { return "const&&"; }
-};
-
-TEST(BindTest, PerfectForwardingOfFreeArgs) {
-  ArgDescribe f;
-  int i;
-  EXPECT_EQ("&", absl::bind_front(f)(static_cast<int&>(i)));
-  EXPECT_EQ("const&", absl::bind_front(f)(static_cast<const int&>(i)));
-  EXPECT_EQ("&&", absl::bind_front(f)(static_cast<int&&>(i)));
-  EXPECT_EQ("const&&", absl::bind_front(f)(static_cast<const int&&>(i)));
-}
-
-struct NonCopyableFunctor {
-  NonCopyableFunctor() = default;
-  NonCopyableFunctor(const NonCopyableFunctor&) = delete;
-  NonCopyableFunctor& operator=(const NonCopyableFunctor&) = delete;
-  const NonCopyableFunctor* operator()() const { return this; }
-};
-
-TEST(BindTest, RefToFunctor) {
-  // It won't copy/move the functor and use the original object.
-  NonCopyableFunctor ncf;
-  auto bound_ncf = absl::bind_front(std::ref(ncf));
-  auto bound_ncf_copy = bound_ncf;
-  EXPECT_EQ(&ncf, bound_ncf_copy());
-}
-
-struct Struct {
-  std::string value;
-};
-
-TEST(BindTest, StoreByCopy) {
-  Struct s = {"hello"};
-  auto f = absl::bind_front(&Struct::value, s);
-  auto g = f;
-  EXPECT_EQ("hello", f());
-  EXPECT_EQ("hello", g());
-  EXPECT_NE(&s.value, &f());
-  EXPECT_NE(&s.value, &g());
-  EXPECT_NE(&g(), &f());
-}
-
-struct NonCopyable {
-  explicit NonCopyable(const std::string& s) : value(s) {}
-  NonCopyable(const NonCopyable&) = delete;
-  NonCopyable& operator=(const NonCopyable&) = delete;
-
-  std::string value;
-};
-
-const std::string& GetNonCopyableValue(const NonCopyable& n) { return n.value; }
-
-TEST(BindTest, StoreByRef) {
-  NonCopyable s("hello");
-  auto f = absl::bind_front(&GetNonCopyableValue, std::ref(s));
-  EXPECT_EQ("hello", f());
-  EXPECT_EQ(&s.value, &f());
-  auto g = std::move(f);  // NOLINT
-  EXPECT_EQ("hello", g());
-  EXPECT_EQ(&s.value, &g());
-  s.value = "goodbye";
-  EXPECT_EQ("goodbye", g());
-}
-
-TEST(BindTest, StoreByCRef) {
-  NonCopyable s("hello");
-  auto f = absl::bind_front(&GetNonCopyableValue, std::cref(s));
-  EXPECT_EQ("hello", f());
-  EXPECT_EQ(&s.value, &f());
-  auto g = std::move(f);  // NOLINT
-  EXPECT_EQ("hello", g());
-  EXPECT_EQ(&s.value, &g());
-  s.value = "goodbye";
-  EXPECT_EQ("goodbye", g());
-}
-
-const std::string& GetNonCopyableValueByWrapper(
-    std::reference_wrapper<NonCopyable> n) {
-  return n.get().value;
-}
-
-TEST(BindTest, StoreByRefInvokeByWrapper) {
-  NonCopyable s("hello");
-  auto f = absl::bind_front(GetNonCopyableValueByWrapper, std::ref(s));
-  EXPECT_EQ("hello", f());
-  EXPECT_EQ(&s.value, &f());
-  auto g = std::move(f);
-  EXPECT_EQ("hello", g());
-  EXPECT_EQ(&s.value, &g());
-  s.value = "goodbye";
-  EXPECT_EQ("goodbye", g());
-}
-
-TEST(BindTest, StoreByPointer) {
-  NonCopyable s("hello");
-  auto f = absl::bind_front(&NonCopyable::value, &s);
-  EXPECT_EQ("hello", f());
-  EXPECT_EQ(&s.value, &f());
-  auto g = std::move(f);
-  EXPECT_EQ("hello", g());
-  EXPECT_EQ(&s.value, &g());
-}
-
-int Sink(std::unique_ptr<int> p) {
-  return *p;
-}
-
-std::unique_ptr<int> Factory(int n) { return absl::make_unique<int>(n); }
-
-TEST(BindTest, NonCopyableArg) {
-  EXPECT_EQ(42, absl::bind_front(Sink)(absl::make_unique<int>(42)));
-  EXPECT_EQ(42, absl::bind_front(Sink, absl::make_unique<int>(42))());
-}
-
-TEST(BindTest, NonCopyableResult) {
-  EXPECT_THAT(absl::bind_front(Factory)(42), ::testing::Pointee(42));
-  EXPECT_THAT(absl::bind_front(Factory, 42)(), ::testing::Pointee(42));
-}
-
-// is_copy_constructible<FalseCopyable<unique_ptr<T>> is true but an attempt to
-// instantiate the copy constructor leads to a compile error. This is similar
-// to how standard containers behave.
-template <class T>
-struct FalseCopyable {
-  FalseCopyable() {}
-  FalseCopyable(const FalseCopyable& other) : m(other.m) {}
-  FalseCopyable(FalseCopyable&& other) : m(std::move(other.m)) {}
-  T m;
-};
-
-int GetMember(FalseCopyable<std::unique_ptr<int>> x) { return *x.m; }
-
-TEST(BindTest, WrappedMoveOnly) {
-  FalseCopyable<std::unique_ptr<int>> x;
-  x.m = absl::make_unique<int>(42);
-  auto f = absl::bind_front(&GetMember, std::move(x));
-  EXPECT_EQ(42, std::move(f)());
-}
-
-int Plus(int a, int b) { return a + b; }
-
-TEST(BindTest, ConstExpr) {
-  constexpr auto f = absl::bind_front(CharAt);
-  EXPECT_EQ(f("ABC", 1), 'B');
-  static constexpr int five = 5;
-  constexpr auto plus5 = absl::bind_front(Plus, five);
-  EXPECT_EQ(plus5(1), 6);
-
-  // There seems to be a bug in MSVC dealing constexpr construction of
-  // char[]. Notice 'plus5' above; 'int' works just fine.
-#if !(defined(_MSC_VER) && _MSC_VER < 1910)
-  static constexpr char data[] = "DEF";
-  constexpr auto g = absl::bind_front(CharAt, data);
-  EXPECT_EQ(g(1), 'E');
-#endif
-}
-
-struct ManglingCall {
-  int operator()(int, double, std::string) const { return 0; }
-};
-
-TEST(BindTest, Mangling) {
-  // We just want to generate a particular instantiation to see its mangling.
-  absl::bind_front(ManglingCall{}, 1, 3.3)("A");
-}
-
-}  // namespace