Googletest export

Add AllOfArray matcher that verifies a value matches all member of some array/container/list/set/..., e.g:
EXPECT_THAT(1, AnyOfArray({1, 2, 3}))
In the simplest form this is identical to AnyOf(1, 2, 3). But unlike that one it works on containers.

Add AnyOfArray matcher that verifies a value matches any member of some
array/container/list/set/...

PiperOrigin-RevId: 230403653
This commit is contained in:
Abseil Team
2019-01-22 16:50:28 -05:00
committed by Gennadiy Civil
parent 569fba4d74
commit fdc59ffd05
2 changed files with 255 additions and 0 deletions

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@@ -1175,6 +1175,37 @@ class AnyOfMatcherImpl : public MatcherInterface<const T&> {
template <typename... Args>
using AnyOfMatcher = VariadicMatcher<AnyOfMatcherImpl, Args...>;
// Wrapper for implementation of Any/AllOfArray().
template <template <class> class MatcherImpl, typename T>
class SomeOfArrayMatcher {
public:
// Constructs the matcher from a sequence of element values or
// element matchers.
template <typename Iter>
SomeOfArrayMatcher(Iter first, Iter last) : matchers_(first, last) {}
template <typename U>
operator Matcher<U>() const { // NOLINT
using RawU = typename std::decay<U>::type;
std::vector<Matcher<RawU>> matchers;
for (const auto& matcher : matchers_) {
matchers.push_back(MatcherCast<RawU>(matcher));
}
return Matcher<U>(new MatcherImpl<RawU>(std::move(matchers)));
}
private:
const ::std::vector<T> matchers_;
GTEST_DISALLOW_ASSIGN_(SomeOfArrayMatcher);
};
template <typename T>
using AllOfArrayMatcher = SomeOfArrayMatcher<AllOfMatcherImpl, T>;
template <typename T>
using AnyOfArrayMatcher = SomeOfArrayMatcher<AnyOfMatcherImpl, T>;
// Used for implementing Truly(pred), which turns a predicate into a
// matcher.
template <typename Predicate>
@@ -4376,6 +4407,88 @@ internal::AnyOfMatcher<typename std::decay<const Args&>::type...> AnyOf(
matchers...);
}
// AnyOfArray(array)
// AnyOfArray(pointer, count)
// AnyOfArray(container)
// AnyOfArray({ e1, e2, ..., en })
// AnyOfArray(iterator_first, iterator_last)
//
// AnyOfArray() verifies whether a given value matches any member of a
// collection of matchers.
//
// AllOfArray(array)
// AllOfArray(pointer, count)
// AllOfArray(container)
// AllOfArray({ e1, e2, ..., en })
// AllOfArray(iterator_first, iterator_last)
//
// AllOfArray() verifies whether a given value matches all members of a
// collection of matchers.
//
// The matchers can be specified as an array, a pointer and count, a container,
// an initializer list, or an STL iterator range. In each of these cases, the
// underlying matchers can be either values or matchers.
template <typename Iter>
inline internal::AnyOfArrayMatcher<
typename ::std::iterator_traits<Iter>::value_type>
AnyOfArray(Iter first, Iter last) {
return internal::AnyOfArrayMatcher<
typename ::std::iterator_traits<Iter>::value_type>(first, last);
}
template <typename Iter>
inline internal::AllOfArrayMatcher<
typename ::std::iterator_traits<Iter>::value_type>
AllOfArray(Iter first, Iter last) {
return internal::AllOfArrayMatcher<
typename ::std::iterator_traits<Iter>::value_type>(first, last);
}
template <typename T>
inline internal::AnyOfArrayMatcher<T> AnyOfArray(const T* ptr, size_t count) {
return AnyOfArray(ptr, ptr + count);
}
template <typename T>
inline internal::AllOfArrayMatcher<T> AllOfArray(const T* ptr, size_t count) {
return AllOfArray(ptr, ptr + count);
}
template <typename T, size_t N>
inline internal::AnyOfArrayMatcher<T> AnyOfArray(const T (&array)[N]) {
return AnyOfArray(array, N);
}
template <typename T, size_t N>
inline internal::AllOfArrayMatcher<T> AllOfArray(const T (&array)[N]) {
return AllOfArray(array, N);
}
template <typename Container>
inline internal::AnyOfArrayMatcher<typename Container::value_type> AnyOfArray(
const Container& container) {
return AnyOfArray(container.begin(), container.end());
}
template <typename Container>
inline internal::AllOfArrayMatcher<typename Container::value_type> AllOfArray(
const Container& container) {
return AllOfArray(container.begin(), container.end());
}
template <typename T>
inline internal::AnyOfArrayMatcher<T> AnyOfArray(
::std::initializer_list<T> xs) {
return AnyOfArray(xs.begin(), xs.end());
}
template <typename T>
inline internal::AllOfArrayMatcher<T> AllOfArray(
::std::initializer_list<T> xs) {
return AllOfArray(xs.begin(), xs.end());
}
// Args<N1, N2, ..., Nk>(a_matcher) matches a tuple if the selected
// fields of it matches a_matcher. C++ doesn't support default
// arguments for function templates, so we have to overload it.