Remove BiggestInt and just use intmax_t

PiperOrigin-RevId: 974011716
Change-Id: I5dacc23eae25b749ad6c77b10b9bc0d75fac11c5

googletest/include/gtest/gtest-printers.h

@@ -104,6 +104,8 @@
 #ifndef GOOGLETEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
 #define GOOGLETEST_INCLUDE_GTEST_GTEST_PRINTERS_H_
 
+#include <stdint.h>
+
 #include <any>
 #include <functional>
 #include <memory>
@@ -279,15 +281,13 @@ struct ProtobufPrinter {
 
 struct ConvertibleToIntegerPrinter {
   // Since T has no << operator or PrintTo() but can be implicitly
-  // converted to BiggestInt, we print it as a BiggestInt.
+  // converted to intmax_t, we print it as an intmax_t.
   //
   // Most likely T is an enum type (either named or unnamed), in which
   // case printing it as an integer is the desired behavior.  In case
   // T is not an enum, printing it as an integer is the best we can do
   // given that it has no user-defined printer.
-  static void PrintValue(internal::BiggestInt value, ::std::ostream* os) {
-    *os << value;
-  }
+  static void PrintValue(intmax_t value, ::std::ostream* os) { *os << value; }
 };
 
 struct ConvertibleToStringViewPrinter {
@@ -347,7 +347,7 @@ struct FindFirstPrinter<
 //  - Print object pointers.
 //  - Print protocol buffers.
 //  - Use the stream operator, if available.
-//  - Print types convertible to BiggestInt.
+//  - Print types convertible to intmax_t.
 //  - Print types convertible to StringView, if available.
 //  - Fallback to printing the raw bytes of the object.
 template <typename T>

googletest/include/gtest/gtest.h

@@ -1419,14 +1419,14 @@ class [[nodiscard]] EqHelper {
   }
 
   // With this overloaded version, we allow anonymous enums to be used
-  // in {ASSERT|EXPECT}_EQ when compiled with gcc 4, as anonymous
-  // enums can be implicitly cast to BiggestInt.
+  // in {ASSERT|EXPECT}_EQ when compiled with gcc 4, as anonymous enums can be
+  // implicitly cast to intmax_t.
   //
   // Even though its body looks the same as the above version, we
   // cannot merge the two, as it will make anonymous enums unhappy.
   static AssertionResult Compare(const char* lhs_expression,
-                                 const char* rhs_expression, BiggestInt lhs,
-                                 BiggestInt rhs) {
+                                 const char* rhs_expression, intmax_t lhs,
+                                 intmax_t rhs) {
     return CmpHelperEQ(lhs_expression, rhs_expression, lhs, rhs);
   }
 

googletest/include/gtest/internal/gtest-port.h

@@ -236,7 +236,6 @@
 // Integer types:
 //   TypeWithSize   - maps an integer to a int type.
 //   TimeInMillis   - integers of known sizes.
-//   BiggestInt     - the biggest signed integer type.
 //
 // Command-line utilities:
 //   GetInjectableArgvs() - returns the command line as a vector of strings.
@@ -2303,14 +2302,6 @@ GTEST_DISABLE_DEPRECATED_POP_()
 #define GTEST_SNPRINTF_ snprintf
 #endif
 
-// The biggest signed integer type the compiler supports.
-//
-// long long is guaranteed to be at least 64-bits in C++11.
-using BiggestInt = long long;  // NOLINT
-
-// The maximum number a BiggestInt can represent.
-constexpr BiggestInt kMaxBiggestInt = (std::numeric_limits<BiggestInt>::max)();
-
 // This template class serves as a compile-time function from size to
 // type.  It maps a size in bytes to a primitive type with that
 // size. e.g.

googletest/test/googletest-printers-test.cc

@@ -95,10 +95,12 @@ void PrintTo(EnumWithPrintTo e, std::ostream* os) {
   *os << (e == kEWPT1 ? "kEWPT1" : "invalid");
 }
 
-// A class implicitly convertible to BiggestInt.
+// A class implicitly convertible to intmax_t.
 class BiggestIntConvertible {
  public:
-  operator ::testing::internal::BiggestInt() const { return 42; }
+  operator intmax_t() const {  // NOLINT(google-explicit-constructor)
+    return 42;
+  }
 };
 
 // A parent class with two child classes. The parent and one of the kids have
@@ -356,7 +358,7 @@ TEST(PrintEnumTest, EnumWithPrintTo) {
 TEST(PrintClassTest, AbslStringify) { EXPECT_EQ("(10, 20)", Print(Point())); }
 #endif
 
-// Tests printing a class implicitly convertible to BiggestInt.
+// Tests printing a class implicitly convertible to intmax_t.
 
 TEST(PrintClassTest, BiggestIntConvertible) {
   EXPECT_EQ("42", Print(BiggestIntConvertible()));
@@ -773,7 +775,7 @@ TEST(PrintPointerTest, NonMemberFunctionPointer) {
   // pointers to objects, and some compilers (e.g. GCC 3.4) enforce
   // this limitation.
   EXPECT_EQ(PrintPointer(reinterpret_cast<const void*>(
-                reinterpret_cast<internal::BiggestInt>(&MyFunction))),
+                reinterpret_cast<intmax_t>(&MyFunction))),
             Print(&MyFunction));
   int (*p)(bool) = NULL;  // NOLINT
   EXPECT_EQ("NULL", Print(p));
@@ -1474,8 +1476,8 @@ TEST(PrintReferenceTest, HandlesFunctionPointer) {
   // standard disallows casting between pointers to functions and
   // pointers to objects, and some compilers (e.g. GCC 3.4) enforce
   // this limitation.
-  const std::string fp_string = PrintPointer(reinterpret_cast<const void*>(
-      reinterpret_cast<internal::BiggestInt>(fp)));
+  const std::string fp_string = PrintPointer(
+      reinterpret_cast<const void*>(reinterpret_cast<intmax_t>(fp)));
   EXPECT_EQ("@" + fp_pointer_string + " " + fp_string, PrintByRef(fp));
 }
 

googletest/test/gtest_unittest.cc

@@ -34,6 +34,7 @@
 #include "gtest/gtest.h"
 
 #include <iterator>
+#include <limits>
 
 // Verifies that the command line flag variables can be accessed in
 // code once "gtest.h" has been #included.
@@ -4029,7 +4030,7 @@ enum {
   // On Linux, kCaseB and kCaseA have the same value when truncated to
   // int size.  We want to test whether this will confuse the
   // assertions.
-  kCaseB = testing::internal::kMaxBiggestInt,
+  kCaseB = (std::numeric_limits<intmax_t>::max)(),
 
 #else