Update googletest to 1.18.0 and SIMDe to 0.8.2.

Googletest 1.18 asks for CMake 3.13 or newer, so configuring the tests no longer warns that CMake compatibility below 3.10 is deprecated.

Co-authored-by: Cursor <cursoragent@cursor.com>

test/googletest/googlemock/include/gmock/internal/gmock-internal-utils.h

@@ -41,9 +41,11 @@
 
 #include <stdio.h>
 
+#include <iterator>
 #include <ostream>  // NOLINT
 #include <string>
 #include <type_traits>
+#include <utility>
 #include <vector>
 
 #include "gmock/internal/gmock-port.h"
@@ -192,11 +194,11 @@ using LosslessArithmeticConvertibleImpl = std::integral_constant<
        // Converting between integers of different widths is allowed so long
        // as the conversion does not go from signed to unsigned.
       (((sizeof(From) < sizeof(To)) &&
-        !(std::is_signed<From>::value && !std::is_signed<To>::value)) ||
+        !(std::is_signed_v<From> && !std::is_signed_v<To>)) ||
        // Converting between integers of the same width only requires the
        // two types to have the same signedness.
        ((sizeof(From) == sizeof(To)) &&
-        (std::is_signed<From>::value == std::is_signed<To>::value)))
+        (std::is_signed_v<From> == std::is_signed_v<To>)))
        ) ? true
       // Floating point conversions are lossless if and only if `To` is at least
       // as wide as `From`.
@@ -219,12 +221,12 @@ using LosslessArithmeticConvertible =
 
 // This interface knows how to report a Google Mock failure (either
 // non-fatal or fatal).
-class FailureReporterInterface {
+class [[nodiscard]] FailureReporterInterface {
  public:
   // The type of a failure (either non-fatal or fatal).
   enum FailureType { kNonfatal, kFatal };
 
-  virtual ~FailureReporterInterface() {}
+  virtual ~FailureReporterInterface() = default;
 
   // Reports a failure that occurred at the given source file location.
   virtual void ReportFailure(FailureType type, const char* file, int line,
@@ -295,14 +297,13 @@ GTEST_API_ void Log(LogSeverity severity, const std::string& message,
 //
 //    ON_CALL(mock, Method({}, nullptr))...
 //
-class WithoutMatchers {
+class [[nodiscard]] WithoutMatchers {
  private:
-  WithoutMatchers() {}
-  friend GTEST_API_ WithoutMatchers GetWithoutMatchers();
-};
+  WithoutMatchers() = default;
 
-// Internal use only: access the singleton instance of WithoutMatchers.
-GTEST_API_ WithoutMatchers GetWithoutMatchers();
+ public:
+  GTEST_API_ static WithoutMatchers Get();
+};
 
 // Invalid<T>() is usable as an expression of type T, but will terminate
 // the program with an assertion failure if actually run.  This is useful
@@ -311,7 +312,8 @@ GTEST_API_ WithoutMatchers GetWithoutMatchers();
 // crashes).
 template <typename T>
 inline T Invalid() {
-  Assert(false, "", -1, "Internal error: attempt to return invalid value");
+  Assert(/*condition=*/false, /*file=*/"", /*line=*/-1,
+         "Internal error: attempt to return invalid value");
 #if defined(__GNUC__) || defined(__clang__)
   __builtin_unreachable();
 #elif defined(_MSC_VER)
@@ -321,6 +323,24 @@ inline T Invalid() {
 #endif
 }
 
+void GetValueType(const void*);
+
+template <class T>
+typename std::iterator_traits<
+    decltype(std::begin(std::declval<T&>()))>::value_type
+GetValueType(T*);
+
+template <class T, class = void>
+struct RangeTraits {
+  typedef decltype(internal::GetValueType(
+      static_cast<std::remove_reference_t<T>*>(nullptr))) value_type;
+};
+
+template <class T>
+struct RangeTraits<T, std::conditional_t<true, void, typename T::value_type>> {
+  typedef typename T::value_type value_type;
+};
+
 // Given a raw type (i.e. having no top-level reference or const
 // modifier) RawContainer that's either an STL-style container or a
 // native array, class StlContainerView<RawContainer> has the
@@ -338,13 +358,13 @@ inline T Invalid() {
 // This generic version is used when RawContainer itself is already an
 // STL-style container.
 template <class RawContainer>
-class StlContainerView {
+class [[nodiscard]] StlContainerView {
  public:
   typedef RawContainer type;
   typedef const type& const_reference;
 
   static const_reference ConstReference(const RawContainer& container) {
-    static_assert(!std::is_const<RawContainer>::value,
+    static_assert(!std::is_const_v<RawContainer>,
                   "RawContainer type must not be const");
     return container;
   }
@@ -353,7 +373,7 @@ class StlContainerView {
 
 // This specialization is used when RawContainer is a native array type.
 template <typename Element, size_t N>
-class StlContainerView<Element[N]> {
+class [[nodiscard]] StlContainerView<Element[N]> {
  public:
   typedef typename std::remove_const<Element>::type RawElement;
   typedef internal::NativeArray<RawElement> type;
@@ -365,7 +385,7 @@ class StlContainerView<Element[N]> {
   typedef const type const_reference;
 
   static const_reference ConstReference(const Element (&array)[N]) {
-    static_assert(std::is_same<Element, RawElement>::value,
+    static_assert(std::is_same_v<Element, RawElement>,
                   "Element type must not be const");
     return type(array, N, RelationToSourceReference());
   }
@@ -377,7 +397,7 @@ class StlContainerView<Element[N]> {
 // This specialization is used when RawContainer is a native array
 // represented as a (pointer, size) tuple.
 template <typename ElementPointer, typename Size>
-class StlContainerView< ::std::tuple<ElementPointer, Size> > {
+class [[nodiscard]] StlContainerView< ::std::tuple<ElementPointer, Size> > {
  public:
   typedef typename std::remove_const<
       typename std::pointer_traits<ElementPointer>::element_type>::type
@@ -419,7 +439,7 @@ struct RemoveConstFromKey<std::pair<const K, V> > {
 GTEST_API_ void IllegalDoDefault(const char* file, int line);
 
 template <typename F, typename Tuple, size_t... Idx>
-auto ApplyImpl(F&& f, Tuple&& args, IndexSequence<Idx...>)
+auto ApplyImpl(F&& f, Tuple&& args, std::index_sequence<Idx...>)
     -> decltype(std::forward<F>(f)(
         std::get<Idx>(std::forward<Tuple>(args))...)) {
   return std::forward<F>(f)(std::get<Idx>(std::forward<Tuple>(args))...);
@@ -429,11 +449,11 @@ auto ApplyImpl(F&& f, Tuple&& args, IndexSequence<Idx...>)
 template <typename F, typename Tuple>
 auto Apply(F&& f, Tuple&& args) -> decltype(ApplyImpl(
     std::forward<F>(f), std::forward<Tuple>(args),
-    MakeIndexSequence<std::tuple_size<
-        typename std::remove_reference<Tuple>::type>::value>())) {
+    std::make_index_sequence<
+        std::tuple_size_v<std::remove_reference_t<Tuple>>>())) {
   return ApplyImpl(std::forward<F>(f), std::forward<Tuple>(args),
-                   MakeIndexSequence<std::tuple_size<
-                       typename std::remove_reference<Tuple>::type>::value>());
+                   std::make_index_sequence<
+                       std::tuple_size_v<std::remove_reference_t<Tuple>>>());
 }
 
 // Template struct Function<F>, where F must be a function type, contains
@@ -464,15 +484,12 @@ struct Function<R(Args...)> {
   using MakeResultIgnoredValue = IgnoredValue(Args...);
 };
 
-template <typename R, typename... Args>
-constexpr size_t Function<R(Args...)>::ArgumentCount;
-
 // Workaround for MSVC error C2039: 'type': is not a member of 'std'
 // when std::tuple_element is used.
 // See: https://github.com/google/googletest/issues/3931
 // Can be replaced with std::tuple_element_t in C++14.
 template <size_t I, typename T>
-using TupleElement = typename std::tuple_element<I, T>::type;
+using TupleElement = std::tuple_element_t<I, T>;
 
 bool Base64Unescape(const std::string& encoded, std::string* decoded);