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merge(3p/absl): subtree merge of Abseil up to e19260f

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... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
This commit is contained in:
Vincent Ambo 2020-11-21 14:43:54 +01:00
parent cc27324d02
commit 082c006c04
854 changed files with 11260 additions and 5296 deletions
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133
third_party/abseil_cpp/absl/algorithm/container_test.cc vendored
View file

@ -57,9 +57,7 @@ class NonMutatingTest : public testing::Test {
};
struct AccumulateCalls {
void operator()(int value) {
calls.push_back(value);
}
void operator()(int value) { calls.push_back(value); }
std::vector<int> calls;
};
@ -68,7 +66,6 @@ bool BinPredicate(int v1, int v2) { return v1 < v2; }
bool Equals(int v1, int v2) { return v1 == v2; }
bool IsOdd(int x) { return x % 2 != 0; }
TEST_F(NonMutatingTest, Distance) {
EXPECT_EQ(container_.size(), absl::c_distance(container_));
EXPECT_EQ(sequence_.size(), absl::c_distance(sequence_));
@ -151,13 +148,90 @@ TEST_F(NonMutatingTest, CountIf) {
}
TEST_F(NonMutatingTest, Mismatch) {
absl::c_mismatch(container_, sequence_);
absl::c_mismatch(sequence_, container_);
// Testing necessary as absl::c_mismatch executes logic.
{
auto result = absl::c_mismatch(vector_, sequence_);
EXPECT_EQ(result.first, vector_.end());
EXPECT_EQ(result.second, sequence_.end());
}
{
auto result = absl::c_mismatch(sequence_, vector_);
EXPECT_EQ(result.first, sequence_.end());
EXPECT_EQ(result.second, vector_.end());
}
sequence_.back() = 5;
{
auto result = absl::c_mismatch(vector_, sequence_);
EXPECT_EQ(result.first, std::prev(vector_.end()));
EXPECT_EQ(result.second, std::prev(sequence_.end()));
}
{
auto result = absl::c_mismatch(sequence_, vector_);
EXPECT_EQ(result.first, std::prev(sequence_.end()));
EXPECT_EQ(result.second, std::prev(vector_.end()));
}
sequence_.pop_back();
{
auto result = absl::c_mismatch(vector_, sequence_);
EXPECT_EQ(result.first, std::prev(vector_.end()));
EXPECT_EQ(result.second, sequence_.end());
}
{
auto result = absl::c_mismatch(sequence_, vector_);
EXPECT_EQ(result.first, sequence_.end());
EXPECT_EQ(result.second, std::prev(vector_.end()));
}
{
struct NoNotEquals {
constexpr bool operator==(NoNotEquals) const { return true; }
constexpr bool operator!=(NoNotEquals) const = delete;
};
std::vector<NoNotEquals> first;
std::list<NoNotEquals> second;
// Check this still compiles.
absl::c_mismatch(first, second);
}
}
TEST_F(NonMutatingTest, MismatchWithPredicate) {
absl::c_mismatch(container_, sequence_, BinPredicate);
absl::c_mismatch(sequence_, container_, BinPredicate);
// Testing necessary as absl::c_mismatch executes logic.
{
auto result = absl::c_mismatch(vector_, sequence_, BinPredicate);
EXPECT_EQ(result.first, vector_.begin());
EXPECT_EQ(result.second, sequence_.begin());
}
{
auto result = absl::c_mismatch(sequence_, vector_, BinPredicate);
EXPECT_EQ(result.first, sequence_.begin());
EXPECT_EQ(result.second, vector_.begin());
}
sequence_.front() = 0;
{
auto result = absl::c_mismatch(vector_, sequence_, BinPredicate);
EXPECT_EQ(result.first, vector_.begin());
EXPECT_EQ(result.second, sequence_.begin());
}
{
auto result = absl::c_mismatch(sequence_, vector_, BinPredicate);
EXPECT_EQ(result.first, std::next(sequence_.begin()));
EXPECT_EQ(result.second, std::next(vector_.begin()));
}
sequence_.clear();
{
auto result = absl::c_mismatch(vector_, sequence_, BinPredicate);
EXPECT_EQ(result.first, vector_.begin());
EXPECT_EQ(result.second, sequence_.end());
}
{
auto result = absl::c_mismatch(sequence_, vector_, BinPredicate);
EXPECT_EQ(result.first, sequence_.end());
EXPECT_EQ(result.second, vector_.begin());
}
}
TEST_F(NonMutatingTest, Equal) {
@ -519,11 +593,9 @@ TEST_F(SortingTest, IsSortedUntil) {
TEST_F(SortingTest, NthElement) {
std::vector<int> unsorted = {2, 4, 1, 3};
absl::c_nth_element(unsorted, unsorted.begin() + 2);
EXPECT_THAT(unsorted,
ElementsAre(Lt(3), Lt(3), 3, Gt(3)));
EXPECT_THAT(unsorted, ElementsAre(Lt(3), Lt(3), 3, Gt(3)));
absl::c_nth_element(unsorted, unsorted.begin() + 2, std::greater<int>());
EXPECT_THAT(unsorted,
ElementsAre(Gt(2), Gt(2), 2, Lt(2)));
EXPECT_THAT(unsorted, ElementsAre(Gt(2), Gt(2), 2, Lt(2)));
}
TEST(MutatingTest, IsPartitioned) {
@ -676,6 +748,15 @@ TEST(MutatingTest, SwapRanges) {
absl::c_swap_ranges(odds, evens);
EXPECT_THAT(odds, ElementsAre(1, 3, 5));
EXPECT_THAT(evens, ElementsAre(2, 4, 6));
odds.pop_back();
absl::c_swap_ranges(odds, evens);
EXPECT_THAT(odds, ElementsAre(2, 4));
EXPECT_THAT(evens, ElementsAre(1, 3, 6));
absl::c_swap_ranges(evens, odds);
EXPECT_THAT(odds, ElementsAre(1, 3));
EXPECT_THAT(evens, ElementsAre(2, 4, 6));
}
TEST_F(NonMutatingTest, Transform) {
@ -690,6 +771,20 @@ TEST_F(NonMutatingTest, Transform) {
EXPECT_EQ(std::vector<int>({1, 5, 4}), z);
*end = 7;
EXPECT_EQ(std::vector<int>({1, 5, 4, 7}), z);
z.clear();
y.pop_back();
end = absl::c_transform(x, y, std::back_inserter(z), std::plus<int>());
EXPECT_EQ(std::vector<int>({1, 5}), z);
*end = 7;
EXPECT_EQ(std::vector<int>({1, 5, 7}), z);
z.clear();
std::swap(x, y);
end = absl::c_transform(x, y, std::back_inserter(z), std::plus<int>());
EXPECT_EQ(std::vector<int>({1, 5}), z);
*end = 7;
EXPECT_EQ(std::vector<int>({1, 5, 7}), z);
}
TEST(MutatingTest, Replace) {
@ -755,10 +850,9 @@ MATCHER_P2(IsElement, key, value, "") {
TEST(MutatingTest, StableSort) {
std::vector<Element> test_vector = {{1, 1}, {2, 1}, {2, 0}, {1, 0}, {2, 2}};
absl::c_stable_sort(test_vector);
EXPECT_THAT(
test_vector,
ElementsAre(IsElement(1, 1), IsElement(1, 0), IsElement(2, 1),
IsElement(2, 0), IsElement(2, 2)));
EXPECT_THAT(test_vector,
ElementsAre(IsElement(1, 1), IsElement(1, 0), IsElement(2, 1),
IsElement(2, 0), IsElement(2, 2)));
}
TEST(MutatingTest, StableSortWithPredicate) {
@ -766,10 +860,9 @@ TEST(MutatingTest, StableSortWithPredicate) {
absl::c_stable_sort(test_vector, [](const Element& e1, const Element& e2) {
return e2 < e1;
});
EXPECT_THAT(
test_vector,
ElementsAre(IsElement(2, 1), IsElement(2, 0), IsElement(2, 2),
IsElement(1, 1), IsElement(1, 0)));
EXPECT_THAT(test_vector,
ElementsAre(IsElement(2, 1), IsElement(2, 0), IsElement(2, 2),
IsElement(1, 1), IsElement(1, 0)));
}
TEST(MutatingTest, ReplaceCopyIf) {