Eliminate the legacy GTEST_COMPILE_ASSERT_ macro

PiperOrigin-RevId: 443462203
Change-Id: I0c43f981663a7531ff5da4d4be01fb3d6762273d

2 files changed, 23 insertions, 26 deletions

diff --git a/googlemock/include/gmock/gmock-actions.h b/googlemock/include/gmock/gmock-actions.h
index 1038b02..e84670a 100644
--- a/googlemock/include/gmock/gmock-actions.h
+++ b/googlemock/include/gmock/gmock-actions.h
@@ -915,9 +915,8 @@ class ReturnAction {
     // and put the typedef both here (for use in assert statement) and
     // in the Impl class. But both definitions must be the same.
     typedef typename Function<F>::Result Result;
-    GTEST_COMPILE_ASSERT_(
-        !std::is_reference<Result>::value,
-        use_ReturnRef_instead_of_Return_to_return_a_reference);
+    static_assert(!std::is_reference<Result>::value,
+                  "use ReturnRef instead of Return to return a reference");
     static_assert(!std::is_void<Result>::value,
                   "Can't use Return() on an action expected to return `void`.");
     return Action<F>(new Impl<R, F>(value_));
@@ -945,8 +944,8 @@ class ReturnAction {
     Result Perform(const ArgumentTuple&) override { return value_; }
 
    private:
-    GTEST_COMPILE_ASSERT_(!std::is_reference<Result>::value,
-                          Result_cannot_be_a_reference_type);
+    static_assert(!std::is_reference<Result>::value,
+                  "Result cannot be a reference type");
     // We save the value before casting just in case it is being cast to a
     // wrapper type.
     R value_before_cast_;
@@ -1020,8 +1019,8 @@ class ReturnRefAction {
     // Asserts that the function return type is a reference.  This
     // catches the user error of using ReturnRef(x) when Return(x)
     // should be used, and generates some helpful error message.
-    GTEST_COMPILE_ASSERT_(std::is_reference<Result>::value,
-                          use_Return_instead_of_ReturnRef_to_return_a_value);
+    static_assert(std::is_reference<Result>::value,
+                  "use Return instead of ReturnRef to return a value");
     return Action<F>(new Impl<F>(ref_));
   }
 
@@ -1062,9 +1061,8 @@ class ReturnRefOfCopyAction {
     // Asserts that the function return type is a reference.  This
     // catches the user error of using ReturnRefOfCopy(x) when Return(x)
     // should be used, and generates some helpful error message.
-    GTEST_COMPILE_ASSERT_(
-        std::is_reference<Result>::value,
-        use_Return_instead_of_ReturnRefOfCopy_to_return_a_value);
+    static_assert(std::is_reference<Result>::value,
+                  "use Return instead of ReturnRefOfCopy to return a value");
     return Action<F>(new Impl<F>(value_));
   }
 
diff --git a/googlemock/include/gmock/gmock-matchers.h b/googlemock/include/gmock/gmock-matchers.h
index 9750d84..fb46715 100644
--- a/googlemock/include/gmock/gmock-matchers.h
+++ b/googlemock/include/gmock/gmock-matchers.h
@@ -533,19 +533,18 @@ inline Matcher<T> SafeMatcherCast(const Matcher<U>& matcher) {
                 "T must be implicitly convertible to U");
   // Enforce that we are not converting a non-reference type T to a reference
   // type U.
-  GTEST_COMPILE_ASSERT_(
-      std::is_reference<T>::value || !std::is_reference<U>::value,
-      cannot_convert_non_reference_arg_to_reference);
+  static_assert(std::is_reference<T>::value || !std::is_reference<U>::value,
+                "cannot convert non reference arg to reference");
   // In case both T and U are arithmetic types, enforce that the
   // conversion is not lossy.
   typedef GTEST_REMOVE_REFERENCE_AND_CONST_(T) RawT;
   typedef GTEST_REMOVE_REFERENCE_AND_CONST_(U) RawU;
   constexpr bool kTIsOther = GMOCK_KIND_OF_(RawT) == internal::kOther;
   constexpr bool kUIsOther = GMOCK_KIND_OF_(RawU) == internal::kOther;
-  GTEST_COMPILE_ASSERT_(
+  static_assert(
       kTIsOther || kUIsOther ||
           (internal::LosslessArithmeticConvertible<RawT, RawU>::value),
-      conversion_of_arithmetic_types_must_be_lossless);
+      "conversion of arithmetic types must be lossless");
   return MatcherCast<T>(matcher);
 }
 
@@ -678,9 +677,9 @@ bool TupleMatches(const MatcherTuple& matcher_tuple,
                   const ValueTuple& value_tuple) {
   // Makes sure that matcher_tuple and value_tuple have the same
   // number of fields.
-  GTEST_COMPILE_ASSERT_(std::tuple_size<MatcherTuple>::value ==
-                            std::tuple_size<ValueTuple>::value,
-                        matcher_and_value_have_different_numbers_of_fields);
+  static_assert(std::tuple_size<MatcherTuple>::value ==
+                    std::tuple_size<ValueTuple>::value,
+                "matcher and value have different numbers of fields");
   return TuplePrefix<std::tuple_size<ValueTuple>::value>::Matches(matcher_tuple,
                                                                   value_tuple);
 }
@@ -2570,9 +2569,9 @@ class WhenSortedByMatcher {
 // container and the RHS container respectively.
 template <typename TupleMatcher, typename RhsContainer>
 class PointwiseMatcher {
-  GTEST_COMPILE_ASSERT_(
+  static_assert(
       !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(RhsContainer)>::value,
-      use_UnorderedPointwise_with_hash_tables);
+      "use UnorderedPointwise with hash tables");
 
  public:
   typedef internal::StlContainerView<RhsContainer> RhsView;
@@ -2591,9 +2590,9 @@ class PointwiseMatcher {
 
   template <typename LhsContainer>
   operator Matcher<LhsContainer>() const {
-    GTEST_COMPILE_ASSERT_(
+    static_assert(
         !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(LhsContainer)>::value,
-        use_UnorderedPointwise_with_hash_tables);
+        "use UnorderedPointwise with hash tables");
 
     return Matcher<LhsContainer>(
         new Impl<const LhsContainer&>(tuple_matcher_, rhs_));
@@ -3725,10 +3724,10 @@ class ElementsAreMatcher {
 
   template <typename Container>
   operator Matcher<Container>() const {
-    GTEST_COMPILE_ASSERT_(
+    static_assert(
         !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>::value ||
             ::std::tuple_size<MatcherTuple>::value < 2,
-        use_UnorderedElementsAre_with_hash_tables);
+        "use UnorderedElementsAre with hash tables");
 
     typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Container) RawContainer;
     typedef typename internal::StlContainerView<RawContainer>::type View;
@@ -3776,9 +3775,9 @@ class ElementsAreArrayMatcher {
 
   template <typename Container>
   operator Matcher<Container>() const {
-    GTEST_COMPILE_ASSERT_(
+    static_assert(
         !IsHashTable<GTEST_REMOVE_REFERENCE_AND_CONST_(Container)>::value,
-        use_UnorderedElementsAreArray_with_hash_tables);
+        "use UnorderedElementsAreArray with hash tables");
 
     return Matcher<Container>(new ElementsAreMatcherImpl<const Container&>(
         matchers_.begin(), matchers_.end()));