synesissoftware · synesissoftware · Aug 8, 2026 · Aug 8, 2026 · Aug 8, 2026 · Aug 8, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -7,9 +7,8 @@ on:
       - dev
       - boilerplate
       - idiomatic
-      - update.3
-      - update.4
-      - ace
+      - test-consistency
+      - test-coverage
       - rc1
       - rc2
       - rc3

diff --git a/CHANGES.md b/CHANGES.md
@@ -1,6 +1,27 @@
 # STLSoft - CHANGES <!-- omit in toc -->
 
 
+## 1.11.2-alpha1 - 20th August 2026
+
+TBC
+
+
+## 1.11.1-rc6 - 12th August 2026
+
+* **Test coverage expansion (1.11.2 increment)** — comprehensive unit- and component-test suites across all sub-projects; **~640 new** test programs (from **86** to **~708** buildable on Unix/macOS);
+* **ACESTL** — full unit + component coverage (`shims`, `memory/message_block_functions`, `collections/message_queue_sequence`, `network/socket_functions`, `reactor/custom_event_handler`, …); gated on **`HAS_ACE`**;
+* **ATLSTL** — **11** unit tests; **`DEFERRED.md`** documents skipped GUI/`module_scope` components;
+* **MFCSTL** — **21** new unit tests (collections, shims, string, util);
+* **COMSTL** — **27** unit + **1** component (`rot_functions`); **`SKIPPED.md`** for SAPI/typelib/cross-apartment cases;
+* **INETSTL** — exception, filesystem traits/functionals, network session/connection (WinInet sequences intentionally excluded);
+* **UnixSTL** — **56** tests (full public API);
+* **PlatformSTL** — **53** tests (full public API);
+* **WinSTL** — **~200** tests (unit + component; GUI/interactive scopes excluded);
+* **STLSoft** — **~300** unit + **~13** component tests for substantive components (`meta/`, `obsolete/`, `internal/` excluded);
+* Test infrastructure scripts under **`test/scripts/`** (`scaffold_missing_tests.py`, `generate_*_tests.py`, `fix_failed_tests.py`, …);
+* **`test.unit.versions`** — aligned with **1.11.1-rc6** (**`_STLSOFT_VER_1_11_1_RC6`**);
+
+
 ## 1.11.1-rc5 - 9th August 2026
 
 * Fixed `stlsoft::basic_simple_string<>#resize()` — expanding a non-empty string no longer over-reads the source buffer (MinGW unit-test segfault in **test.unit.stlsoft.string.simple_string**);

diff --git a/NEWS.md b/NEWS.md
@@ -3,6 +3,7 @@
 
 | Date                  | News Item                                                 |
 | --------------------- | --------------------------------------------------------- |
+| 12th August 2026       |   Release of [STLSoft 1.11.1 (release candidate 6)](https://github.com/synesissoftware/STLSoft/releases/tag/1.11.1-rc6) — comprehensive unit/component test coverage across all sub-projects |
 | 9th August 2026       |   Release of [STLSoft 1.11.1 (release candidate 5)](https://github.com/synesissoftware/STLSoft/releases/tag/1.11.1-rc5) |
 | 29th July 2026        |   Release of [STLSoft 1.11.1 (release candidate 4)](https://github.com/synesissoftware/STLSoft/releases/tag/1.11.1-rc4) |
 | 23rd August 2025      |   Release of [STLSoft 1.11.1 (release candidate 3)](https://github.com/synesissoftware/STLSoft/releases/tag/1.11.1-rc3) |

diff --git a/TESTING-C.md b/TESTING-C.md
diff --git a/TESTING.md b/TESTING.md
diff --git a/TODO.md b/TODO.md
@@ -33,17 +33,20 @@
 * [x] ~~~Unit/component tests — adopt **xTests** terse API throughout~~~;
 * [ ] Remove **WTL**;
 * [ ] Resolve finally the structure and semantics of the top-level execution scripts (**run_all_unit_tests.sh**, **run_all_scratch_tests.sh**, **run_all_examples.sh**, **execute_performance_tests.sh**, and Windows `.cmd` counterparts) on all platforms — discovery globs, execute-bit / artifact restore, zero-match failure, verbosity, and CI wiring;
-* [ ] bring in some essential unit-tests from interal repo;
+* [ ] bring in some essential unit-tests from internal repo;
 
 
 ### 1.11.2
 
 Dedicated increment: **test analysis and coverage only** — no other product changes in this release.
 
-* [ ] Existing test consistency (deep analysis);
+* [x] Coverage of currently untested components — **bulk expansion landed in 1.11.1-rc6** (~640 new test programs);
+* [ ] Existing test consistency (deep analysis) — many new tests are compile-verified or smoke-level; behavioural depth still to be improved;
 * [ ] Complete coverage of currently tested components (improvement / completion);
-* [ ] Coverage of currently untested components;
-
+* [ ] WinSTL / COMSTL / ATLSTL / MFCSTL — Windows CI verification of new suites;
+* [ ] STLSoft — deepen behavioural tests for the ~100 compile-only scaffolds; remove or fix vestigial targets;
+* [ ] Correct/ensure (and write coding guidelines for) test-function naming;
+* [ ] Canonicalise C-language test/example program names to **`subject.C`** (suffix, not infix `.C.`); update inventories after the rename;
 
 ### 1.11.3
 

diff --git a/examples/by_library/conversion/sap_cast/CMakeLists.txt b/examples/by_library/conversion/sap_cast/CMakeLists.txt
@@ -1,3 +1,5 @@
+list(APPEND X_GCC_CUSTOM_WARNINGS_TO_BE_SUPPRESSED
+	uninitialized
+)
 
-list(APPEND X_GCC_CUSTOM_WARNINGS_TO_BE_SUPPRESSED "uninitialized")
 define_example_program(sap_cast main.cpp)
diff --git a/examples/by_library/conversion/union_cast/CMakeLists.txt b/examples/by_library/conversion/union_cast/CMakeLists.txt
@@ -1,4 +1,7 @@
 
-list(APPEND X_GCC_CUSTOM_WARNINGS_TO_BE_SUPPRESSED "uninitialized")
-list(APPEND X_GCC_CUSTOM_WARNINGS_TO_BE_SUPPRESSED "unused-variable")
+list(APPEND X_GCC_CUSTOM_WARNINGS_TO_BE_SUPPRESSED
+	uninitialized
+	unused-variable
+)
+
 define_example_program(union_cast main.cpp)
diff --git a/examples/by_library/memory/auto_buffer/CMakeLists.txt b/examples/by_library/memory/auto_buffer/CMakeLists.txt
@@ -1,7 +1,9 @@
 list(APPEND X_GCC_CUSTOM_WARNINGS_TO_BE_SUPPRESSED
 	unused-variable
 )
+
 list(APPEND X_MSVC_CUSTOM_WARNINGS_TO_BE_SUPPRESSED
 	4189
 )
+
 define_example_program(auto_buffer main.cpp)
diff --git a/include/stlsoft/conversion/string_to_integer_range.hpp b/include/stlsoft/conversion/string_to_integer_range.hpp
@@ -1,14 +1,14 @@
 /* /////////////////////////////////////////////////////////////////////////
- * File:        stlsoft/conversion/string_to_integer_range.hpp
+ * File:    stlsoft/conversion/string_to_integer_range.hpp
  *
- * Purpose:     String to integer conversions.
+ * Purpose: String to integer conversions.
  *
- * Created:     28th October 2020
- * Updated:     21st March 2025
+ * Created: 28th October 2020
+ * Updated: 12th August 2026
  *
- * Home:        http://stlsoft.org/
+ * Home:    http://stlsoft.org/
  *
- * Copyright (c) 2020-2025, Matthew Wilson and Synesis Information Systems
+ * Copyright (c) 2020-2026, Matthew Wilson and Synesis Information Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,8 +53,8 @@
 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
 # define STLSOFT_VER_STLSOFT_CONVERSION_HPP_STRING_TO_INTEGER_RANGE_MAJOR       1
 # define STLSOFT_VER_STLSOFT_CONVERSION_HPP_STRING_TO_INTEGER_RANGE_MINOR       0
-# define STLSOFT_VER_STLSOFT_CONVERSION_HPP_STRING_TO_INTEGER_RANGE_REVISION    1
-# define STLSOFT_VER_STLSOFT_CONVERSION_HPP_STRING_TO_INTEGER_RANGE_EDIT        5
+# define STLSOFT_VER_STLSOFT_CONVERSION_HPP_STRING_TO_INTEGER_RANGE_REVISION    2
+# define STLSOFT_VER_STLSOFT_CONVERSION_HPP_STRING_TO_INTEGER_RANGE_EDIT        6
 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
 
 
@@ -176,7 +176,7 @@ struct ximpl_string_to_integer_range_util_
             return false;
         }
 
-        if (ximpl_string_to_integer_util_::try_string_to_integer_len_4_(s, len, pfrom, endptr))
+        if (ximpl_string_to_integer_util_::try_string_to_integer_4slre_(s, len, pfrom, endptr))
         {
             if (is_negative_(pfrom, T_integer_is_signed_t_()))
             {
@@ -229,7 +229,7 @@ struct ximpl_string_to_integer_range_util_
                         return true;
                     }
 
-                    if (ximpl_string_to_integer_util_::try_string_to_integer_len_4_(s, len, pto, endptr))
+                    if (ximpl_string_to_integer_util_::try_string_to_integer_4slre_(s, len, pto, endptr))
                     {
                         return true;
                     }
@@ -311,7 +311,7 @@ struct ximpl_string_to_integer_range_util_
                         return true;
                     }
 
-                    if (ximpl_string_to_integer_util_::try_string_to_integer_len_4_(s, len, pto, endptr))
+                    if (ximpl_string_to_integer_util_::try_string_to_integer_4slre_(s, len, pto, endptr))
                     {
                         return true;
                     }

diff --git a/include/stlsoft/stlsoft.h b/include/stlsoft/stlsoft.h
@@ -5,7 +5,7 @@
  *          and platform discriminations, and definitions of types.
  *
  * Created: 15th January 2002
- * Updated: 9th August 2026
+ * Updated: 12th August 2026
  *
  * Home:    http://stlsoft.org/
  *
@@ -390,12 +390,14 @@
 # define _STLSOFT_VER_1_11_1_RC3    0x010b01c3  /*!< Version 1.11.1 rc 3 (23rd August 2025) */
 # define _STLSOFT_VER_1_11_1_RC4    0x010b01c4  /*!< Version 1.11.1 rc 4 (1st July 2026) */
 # define _STLSOFT_VER_1_11_1_RC5    0x010b01c5  /*!< Version 1.11.1 rc 5 (9th August 2026) */
+# define _STLSOFT_VER_1_11_1_RC6    0x010b01c6  /*!< Version 1.11.1 rc 6 (12th August 2026) */
+# define _STLSOFT_VER_1_11_2_A1     0x010b0241  /*!< Version 1.11.2 alpha 1 (20th August 2026) */
 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
 
 #define _STLSOFT_VER_MAJOR          1
 #define _STLSOFT_VER_MINOR          11
-#define _STLSOFT_VER_PATCH          1
-#define _STLSOFT_VER_ALPHABETA      0xc5
+#define _STLSOFT_VER_PATCH          2
+#define _STLSOFT_VER_ALPHABETA      0x41
 
 #define _STLSOFT_VER \
     (0\

diff --git a/include/stlsoft/string/charset_tokeniser.hpp b/include/stlsoft/string/charset_tokeniser.hpp
@@ -4,11 +4,11 @@
  * Purpose:     String token parsing class using char-sets.
  *
  * Created:     17th October 2005
- * Updated:     20th March 2025
+ * Updated:     12th August 2026
  *
  * Home:        http://stlsoft.org/
  *
- * Copyright (c) 2019-2025, Matthew Wilson and Synesis Information Systems
+ * Copyright (c) 2019-2026, Matthew Wilson and Synesis Information Systems
  * Copyright (c) 2005-2019, Matthew Wilson and Synesis Software
  * All rights reserved.
  *
@@ -54,8 +54,8 @@
 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
 # define STLSOFT_VER_STLSOFT_STRING_HPP_CHARSET_TOKENISER_MAJOR     2
 # define STLSOFT_VER_STLSOFT_STRING_HPP_CHARSET_TOKENISER_MINOR     0
-# define STLSOFT_VER_STLSOFT_STRING_HPP_CHARSET_TOKENISER_REVISION  8
-# define STLSOFT_VER_STLSOFT_STRING_HPP_CHARSET_TOKENISER_EDIT      40
+# define STLSOFT_VER_STLSOFT_STRING_HPP_CHARSET_TOKENISER_REVISION  9
+# define STLSOFT_VER_STLSOFT_STRING_HPP_CHARSET_TOKENISER_EDIT      41
 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
 
 
@@ -117,7 +117,7 @@ struct charset_comparator
     }
 
     template <ss_typename_param_k const_iterator>
-    static const_iterator advance_(const_iterator it, delimiter_type const& delimiter)
+    static const_iterator advance_(const_iterator it, delimiter_type const& /* delimiter */)
     {
         return it + 1;
     }
@@ -138,31 +138,31 @@ struct charset_comparator
     }
 
     template <ss_typename_param_k const_iterator>
-    static bool test_start_token_advance(const_iterator &it, const_iterator end, delimiter_type const& delimiter)
+    static bool test_start_token_advance(const_iterator &it, const_iterator /* end */, delimiter_type const& delimiter)
     {
         return equal_(delimiter, it) ? (it = advance_(it, delimiter), true) : false;
     }
 
     template <ss_typename_param_k const_iterator>
-    static bool test_end_token_advance(const_iterator &it, const_iterator end, delimiter_type const& delimiter)
+    static bool test_end_token_advance(const_iterator &it, const_iterator /* end */, delimiter_type const& delimiter)
     {
         return equal_(delimiter, it) ? (it = advance_(it, delimiter), true) : false;
     }
 
     template <ss_typename_param_k const_iterator>
-    static const_iterator nonskip_move_to_start(const_iterator it, const_iterator end, delimiter_type const& delimiter)
+    static const_iterator nonskip_move_to_start(const_iterator it, const_iterator /* end */, delimiter_type const& /* delimiter */)
     {
         return it;
     }
 
     template <ss_typename_param_k const_iterator>
-    static bool test_end_token(const_iterator it, const_iterator end, delimiter_type const& delimiter)
+    static bool test_end_token(const_iterator it, const_iterator /* end */, delimiter_type const& delimiter)
     {
         return equal_(delimiter, it);
     }
 
     template <ss_typename_param_k const_iterator>
-    static const_iterator find_next_start(const_iterator it, const_iterator end, delimiter_type const& delimiter)
+    static const_iterator find_next_start(const_iterator it, const_iterator /* end */, delimiter_type const& delimiter)
     {
         return advance_(it, delimiter);
     }

diff --git a/include/stlsoft/util/64bit_integers.hpp b/include/stlsoft/util/64bit_integers.hpp
@@ -1,14 +1,14 @@
 /* /////////////////////////////////////////////////////////////////////////
- * File:        stlsoft/util/64bit_integers.hpp
+ * File:    stlsoft/util/64bit_integers.hpp
  *
- * Purpose:     Byte-order independent large integer (aggregate) classes.
+ * Purpose: Byte-order independent large integer (aggregate) classes.
  *
- * Created:     15th October 2000
- * Updated:     20th March 2025
+ * Created: 15th October 2000
+ * Updated: 12th August 2026
  *
- * Home:        http://stlsoft.org/
+ * Home:    http://stlsoft.org/
  *
- * Copyright (c) 2019-2025, Matthew Wilson and Synesis Information Systems
+ * Copyright (c) 2019-2026, Matthew Wilson and Synesis Information Systems
  * Copyright (c) 2000-2019, Matthew Wilson and Synesis Software
  * All rights reserved.
  *
@@ -53,8 +53,8 @@
 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
 # define STLSOFT_VER_STLSOFT_UTIL_HPP_64BIT_INTEGERS_MAJOR     5
 # define STLSOFT_VER_STLSOFT_UTIL_HPP_64BIT_INTEGERS_MINOR     1
-# define STLSOFT_VER_STLSOFT_UTIL_HPP_64BIT_INTEGERS_REVISION  5
-# define STLSOFT_VER_STLSOFT_UTIL_HPP_64BIT_INTEGERS_EDIT      144
+# define STLSOFT_VER_STLSOFT_UTIL_HPP_64BIT_INTEGERS_REVISION  6
+# define STLSOFT_VER_STLSOFT_UTIL_HPP_64BIT_INTEGERS_EDIT      145
 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
 
 
@@ -110,6 +110,8 @@ class sinteger64
     sinteger64(long i);
 #endif /* STLSOFT_CF_LONG_DISTINCT_INT_TYPE */
 
+    sinteger64(class_type const& rhs);
+
     class_type& operator =(class_type const& rhs);
     class_type& operator =(ss_sint8_t i);
     class_type& operator =(ss_sint16_t i);
@@ -357,6 +359,11 @@ inline sinteger64::sinteger64(long i)
 {}
 #endif /* STLSOFT_CF_LONG_DISTINCT_INT_TYPE */
 
+inline sinteger64::sinteger64(class_type const& rhs)
+    : m_low(rhs.m_low)
+    , m_high(rhs.m_high)
+{}
+
 inline sinteger64::class_type& sinteger64::operator =(class_type const& rhs)
 {
     m_high  =   rhs.m_high;

diff --git a/include/stlsoft/util/bits/count_functions.h b/include/stlsoft/util/bits/count_functions.h
@@ -4,11 +4,11 @@
  * Purpose:     Bit count functions.
  *
  * Created:     2nd June 2010
- * Updated:     11th March 2024
+ * Updated:     12th August 2026
  *
  * Home:        http://stlsoft.org/
  *
- * Copyright (c) 2019-2024, Matthew Wilson and Synesis Information Systems
+ * Copyright (c) 2019-2026, Matthew Wilson and Synesis Information Systems
  * Copyright (c) 2010-2019, Matthew Wilson and Synesis Software
  * All rights reserved.
  *
@@ -53,8 +53,8 @@
 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
 # define STLSOFT_VER_STLSOFT_UTIL_BITS_H_COUNT_FUNCTIONS_MAJOR    1
 # define STLSOFT_VER_STLSOFT_UTIL_BITS_H_COUNT_FUNCTIONS_MINOR    3
-# define STLSOFT_VER_STLSOFT_UTIL_BITS_H_COUNT_FUNCTIONS_REVISION 1
-# define STLSOFT_VER_STLSOFT_UTIL_BITS_H_COUNT_FUNCTIONS_EDIT     19
+# define STLSOFT_VER_STLSOFT_UTIL_BITS_H_COUNT_FUNCTIONS_REVISION 2
+# define STLSOFT_VER_STLSOFT_UTIL_BITS_H_COUNT_FUNCTIONS_EDIT     20
 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
 
 
@@ -100,7 +100,7 @@ namespace ximpl_bit_functions
 
     static
     stlsoft_C_count_functions_table_ptr_type
-    stlsoft_C_count_functions_get_8bit_table()
+    stlsoft_C_count_functions_get_8bit_table(void)
     {
         static const ss_uint8_t s_table[256] =
         {

diff --git a/include/stlsoft/util/unused_return_value_monitor.hpp b/include/stlsoft/util/unused_return_value_monitor.hpp
@@ -4,11 +4,11 @@
  * Purpose: Basic functionals.
  *
  * Created: 8th June 2002
- * Updated: 20th March 2025
+ * Updated: 12th August 2026
  *
  * Home:    http://stlsoft.org/
  *
- * Copyright (c) 2019-2025, Matthew Wilson and Synesis Information Systems
+ * Copyright (c) 2019-2026, Matthew Wilson and Synesis Information Systems
  * Copyright (c) 2002-2019, Matthew Wilson and Synesis Software
  * All rights reserved.
  *
@@ -54,8 +54,8 @@
 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
 # define STLSOFT_VER_STLSOFT_UTIL_HPP_UNUSED_RETURN_VALUE_MONITOR_MAJOR     4
 # define STLSOFT_VER_STLSOFT_UTIL_HPP_UNUSED_RETURN_VALUE_MONITOR_MINOR     0
-# define STLSOFT_VER_STLSOFT_UTIL_HPP_UNUSED_RETURN_VALUE_MONITOR_REVISION  8
-# define STLSOFT_VER_STLSOFT_UTIL_HPP_UNUSED_RETURN_VALUE_MONITOR_EDIT      60
+# define STLSOFT_VER_STLSOFT_UTIL_HPP_UNUSED_RETURN_VALUE_MONITOR_REVISION  9
+# define STLSOFT_VER_STLSOFT_UTIL_HPP_UNUSED_RETURN_VALUE_MONITOR_EDIT      61
 #endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
 
 
@@ -186,7 +186,7 @@ class unused_return_value_monitor
         , m_monitorFn(rhs.m_monitorFn)
         , m_bUsed(rhs.m_bUsed)
     {
-        const_cast<class_type&>(rhs)->m_bUsed = false;
+        const_cast<class_type&>(rhs).m_bUsed = false;
     }
     /// Destructor
     ///