v3.15.3

extras/catch_amalgamated.cpp

@@ -6,8 +6,8 @@
 
 // SPDX-License-Identifier: BSL-1.0
 
-//  Catch v3.15.2
-//  Generated: 2026-07-07 20:39:49.445081
+//  Catch v3.15.3
+//  Generated: 2026-07-26 22:17:52.418168
 //  ----------------------------------------------------------
 //  This file is an amalgamation of multiple different files.
 //  You probably shouldn't edit it directly.
@@ -2394,7 +2394,7 @@ namespace Catch {
     }
 
     Version const& libraryVersion() {
-        static Version version( 3, 15, 2, "", 0 );
+        static Version version( 3, 15, 3, "", 0 );
         return version;
     }
 
@@ -2541,7 +2541,7 @@ namespace Catch {
                 bool isValid = next();
                 if ( !isValid ) {
                     Detail::throw_generator_exception(
-                        "Coud not jump to Nth element: not enough elements" );
+                        "Could not jump to Nth element: not enough elements" );
                 }
             }
         }
@@ -4678,12 +4678,28 @@ namespace Detail {
 
 
 
+#include <cmath>
+#include <locale>
+
 namespace Catch {
 
     namespace {
-        static bool needsEscape( char c ) {
-            return c == '"' || c == '\\' || c == '\b' || c == '\f' ||
-                   c == '\n' || c == '\r' || c == '\t';
+        struct EscapeLUT {
+            bool escape[256] = {};
+            constexpr EscapeLUT() {
+                escape[static_cast<unsigned char>( '"' )] = true;
+                escape[static_cast<unsigned char>( '\\' )] = true;
+                escape[static_cast<unsigned char>( '\b' )] = true;
+                escape[static_cast<unsigned char>( '\f' )] = true;
+                escape[static_cast<unsigned char>( '\n' )] = true;
+                escape[static_cast<unsigned char>( '\r' )] = true;
+                escape[static_cast<unsigned char>( '\t' )] = true;
+            }
+        };
+        static constexpr EscapeLUT escapeLUT{};
+
+        static constexpr bool needsEscape( char c ) {
+            return escapeLUT.escape[static_cast<unsigned char>( c )];
         }
 
         static Catch::StringRef makeEscapeStringRef( char c ) {
@@ -4795,7 +4811,10 @@ namespace Catch {
 
     JsonValueWriter::JsonValueWriter( std::ostream& os,
                                       std::uint64_t indent_level ):
-        m_os{ os }, m_indent_level{ indent_level } {}
+        m_os{ os }, m_indent_level{ indent_level } {
+        // We use C locale so that writing of numerical values is locale-independent.
+        m_sstream.imbue( std::locale::classic() );
+    }
 
     JsonObjectWriter JsonValueWriter::writeObject() && {
         return JsonObjectWriter{ m_os, m_indent_level };
@@ -4809,26 +4828,55 @@ namespace Catch {
         writeImpl( value, true );
     }
 
+    void JsonValueWriter::write( float value ) && {
+        writeFloatingPoint( value );
+    }
+
+    void JsonValueWriter::write( double value ) && {
+        writeFloatingPoint( value );
+    }
+
     void JsonValueWriter::write( bool value ) && {
         writeImpl( value ? "true"_sr : "false"_sr, false );
     }
 
+    template <typename T>
+    void JsonValueWriter::writeFloatingPoint( T value ) {
+        if ( Catch::isnan( value ) ) {
+            writeImpl( "NaN"_sr, false );
+        } else if ( std::isinf( value ) ) {
+            writeImpl( value < 0 ? "-Infinity"_sr : "Infinity"_sr, false );
+        } else {
+            m_sstream << value;
+            writeImpl( m_sstream.str(), false );
+        }
+    }
+
     void JsonValueWriter::writeImpl( Catch::StringRef value, bool quote ) {
-        if ( quote ) { m_os << '"'; }
-        size_t current_start = 0;
-        for ( size_t i = 0; i < value.size(); ++i ) {
-            if ( needsEscape( value[i] ) ) {
-                if ( current_start < i ) {
-                    m_os << value.substr( current_start, i - current_start );
+        // Escaping only makes sense for actual strings, which are passed
+        // with `quote == true`. Non-quoted values are things like bools
+        // and numbers, which cannot create inputs that need escaping.
+        if ( !quote ) {
+            m_os << value;
+        } else {
+            m_os << '"';
+            size_t current_start = 0;
+            for ( size_t i = 0; i < value.size(); ++i ) {
+                if ( needsEscape( value[i] ) ) {
+                    if ( current_start < i ) {
+                        m_os
+                            << value.substr( current_start, i - current_start );
+                    }
+                    m_os << makeEscapeStringRef( value[i] );
+                    current_start = i + 1;
                 }
-                m_os << makeEscapeStringRef( value[i] );
-                current_start = i + 1;
             }
+            if ( current_start < value.size() ) {
+                m_os << value.substr( current_start,
+                                      value.size() - current_start );
+            }
+            m_os << '"';
         }
-        if ( current_start < value.size() ) {
-            m_os << value.substr( current_start, value.size() - current_start );
-        }
-        if ( quote ) { m_os << '"'; }
     }
 
 } // namespace Catch