Counts internally use uint64_t instead of size_t

This ensures that even for 32 bit platforms, the assertion count
should not plausibly overflow.

src/catch2/catch_totals.cpp

@@ -24,7 +24,7 @@ namespace Catch {
         return *this;
     }
 
-    std::size_t Counts::total() const {
+    std::uint64_t Counts::total() const {
         return passed + failed + failedButOk;
     }
     bool Counts::allPassed() const {

src/catch2/catch_totals.hpp

@@ -9,6 +9,7 @@
 #define CATCH_TOTALS_HPP_INCLUDED
 
 #include <cstddef>
+#include <cstdint>
 
 namespace Catch {
 
@@ -16,13 +17,13 @@ namespace Catch {
         Counts operator - ( Counts const& other ) const;
         Counts& operator += ( Counts const& other );
 
-        std::size_t total() const;
+        std::uint64_t total() const;
         bool allPassed() const;
         bool allOk() const;
 
-        std::size_t passed = 0;
-        std::size_t failed = 0;
-        std::size_t failedButOk = 0;
+        std::uint64_t passed = 0;
+        std::uint64_t failed = 0;
+        std::uint64_t failedButOk = 0;
     };
 
     struct Totals {

src/catch2/internal/catch_string_manip.hpp

@@ -44,14 +44,14 @@ namespace Catch {
      * **Important:** The provided string must outlive the instance
      */
     struct pluralise {
-        pluralise(std::size_t count, StringRef label):
+        pluralise(std::uint64_t count, StringRef label):
             m_count(count),
             m_label(label)
         {}
 
         friend std::ostream& operator << ( std::ostream& os, pluralise const& pluraliser );
 
-        std::size_t m_count;
+        std::uint64_t m_count;
         StringRef m_label;
     };
 }

src/catch2/reporters/catch_reporter_compact.cpp

@@ -21,7 +21,7 @@ namespace {
     // Colour::LightGrey
     constexpr Catch::Colour::Code dimColour() { return Catch::Colour::FileName; }
 
-    constexpr Catch::StringRef bothOrAll( std::size_t count ) {
+    constexpr Catch::StringRef bothOrAll( std::uint64_t count ) {
         switch (count) {
         case 1:
             return Catch::StringRef{};

src/catch2/reporters/catch_reporter_console.cpp

@@ -178,9 +178,9 @@ private:
     bool printInfoMessages;
 };
 
-std::size_t makeRatio(std::size_t number, std::size_t total) {
-    std::size_t ratio = total > 0 ? CATCH_CONFIG_CONSOLE_WIDTH * number / total : 0;
-    return (ratio == 0 && number > 0) ? 1 : ratio;
+std::size_t makeRatio( std::uint64_t number, std::uint64_t total ) {
+    const auto ratio = total > 0 ? CATCH_CONFIG_CONSOLE_WIDTH * number / total : 0;
+    return (ratio == 0 && number > 0) ? 1 : static_cast<std::size_t>(ratio);
 }
 
 std::size_t& findMax( std::size_t& i, std::size_t& j, std::size_t& k ) {
@@ -597,7 +597,7 @@ struct SummaryColumn {
     SummaryColumn( std::string _label, Colour::Code _colour )
     :   label( CATCH_MOVE( _label ) ),
         colour( _colour ) {}
-    SummaryColumn addRow( std::size_t count ) {
+    SummaryColumn addRow( std::uint64_t count ) {
         ReusableStringStream rss;
         rss << count;
         std::string row = rss.str();