fail the test for output formatting issues

README.md

@@ -1,6 +1,6 @@
 # Unity Test ![CI][]
 
-__Copyright (c) 2007 - 2024 Unity Project by Mike Karlesky, Mark VanderVoord, and Greg Williams__
+__Copyright (c) 2007 - 2026 Unity Project by Mike Karlesky, Mark VanderVoord, and Greg Williams__
 
 Welcome to the Unity Test Project, one of the main projects of ThrowTheSwitch.org.
 Unity Test is a unit testing framework built for C, with a focus on working with embedded toolchains.

auto/generate_test_runner.rb

@@ -239,17 +239,15 @@ class UnityTestRunnerGenerator
     if @options[:use_param_tests]
       idx = 0
       tests.each do |test|
-        if (test[:args].nil? || test[:args].empty?)
+        if test[:args].nil? || test[:args].empty?
           idx += 1
         else
-          test[:args].each do |args|
-            idx += 1
-          end
+          test[:args].each { idx += 1 }
         end
       end
-      return idx
+      idx
     else
-      return tests.size
+      tests.size
     end
   end
 

src/unity.c

@@ -868,6 +868,8 @@ void UnityAssertEqualIntArray(UNITY_INTERNAL_PTR expected,
                               const UNITY_DISPLAY_STYLE_T style,
                               const UNITY_FLAGS_T flags)
 {
+    UNITY_INT expect_val   = 0;
+    UNITY_INT actual_val   = 0;
     UNITY_UINT32 elements  = num_elements;
     unsigned int length    = style & 0xF;
     unsigned int increment = 0;
@@ -895,9 +897,6 @@ void UnityAssertEqualIntArray(UNITY_INTERNAL_PTR expected,
 
     while ((elements > 0) && (elements--))
     {
-        UNITY_INT expect_val;
-        UNITY_INT actual_val;
-
         switch (length)
         {
             case 1:

src/unity_internals.h

@@ -528,6 +528,10 @@ typedef enum
 #endif
 #endif
 
+#if defined(__GNUC__) || defined(__clang__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wpadded"
+#endif
 struct UNITY_STORAGE_T
 {
     const char* TestFile;
@@ -556,6 +560,9 @@ struct UNITY_STORAGE_T
     jmp_buf AbortFrame;
 #endif
 };
+#if defined(__GNUC__) || defined(__clang__)
+#pragma GCC diagnostic pop
+#endif
 
 extern struct UNITY_STORAGE_T Unity;
 
@@ -857,6 +864,7 @@ extern const char UnityStrErrFloat[];
 extern const char UnityStrErrDouble[];
 extern const char UnityStrErr64[];
 extern const char UnityStrErrShorthand[];
+extern const char UnityStrErrDetailStack[];
 
 /*-------------------------------------------------------
  * Test Running Macros

test/rakefile_helper.rb

@@ -293,8 +293,34 @@ module RakefileHelpers
       # Link the test executable
       link_it(test_base, obj_list)
 
-      # Execute unit test and generate results file
+      # Execute unit test
       output = runtest(test_base)
+
+      # Verify outputs seem to have happened
+      failures = 0
+      output = output.each_line.map do |line|
+        if line =~ /Element.*Expected.*Was/ && !(line =~ /Element \d+ Expected \S+ Was \S+/)
+          failures += 1
+          line + " [[[[ OUTPUT FAILED TO PRINT CORRECTLY ]]]]"
+        else
+          line
+        end
+      end.join
+
+      # Update the final test summary
+      if failures > 0
+        output.sub!(/^(\d+) Tests (\d+) Failures (\d+) Ignored/) do
+          tests = $1
+          failures = $2.to_i + failures
+          ignored = $3
+          "#{tests} Tests #{failures} Failures #{ignored} Ignored"
+        end
+        output.sub!(/OK$/,"FAILED")
+        report output
+        raise "Command failed. (#{failures.to_s} Output Formatting Issues)"
+      end
+
+      # Generate results file
       save_test_results(test_base, output)
     end
   end