Added example 4 in examples directory.

examples/example_4/meson.build

+###################################################################################
+#                                                                                 #
+# NAME: examples/example_4/meson.build                                            #
+#                                                                                 #
+# AUTHOR: Mike Karlesky, Mark VanderVoord, Greg Williams.                         #
+# WRITTEN BY: Michael Brockus.                                                    #
+#                                                                                 #
+# License: MIT                                                                    #
+#                                                                                 #
+###################################################################################
+
+
+
+example_dir = include_directories('.', join_paths('.', 'src'))
+
+subdir('src')
+subdir('test')
\ No newline at end of file

examples/example_4/readme.txt

+Example 1
+=========
+
+Close to the simplest possible example of Unity, using only basic features.
+Run make to build & run the example tests.
\ No newline at end of file

examples/example_4/src/ProductionCode.c

+
+#include "ProductionCode.h"
+
+int Counter = 0;
+int NumbersToFind[9] = { 0, 34, 55, 66, 32, 11, 1, 77, 888 }; /* some obnoxious array to search that is 1-based indexing instead of 0. */
+
+/* This function is supposed to search through NumbersToFind and find a particular number.
+ * If it finds it, the index is returned.  Otherwise 0 is returned which sorta makes sense since
+ * NumbersToFind is indexed from 1.  Unfortunately it's broken
+ * (and should therefore be caught by our tests) */
+int FindFunction_WhichIsBroken(int NumberToFind)
+{
+    int i = 0;
+    while (i < 8) /* Notice I should have been in braces */
+        i++;
+        if (NumbersToFind[i] == NumberToFind) /* Yikes!  I'm getting run after the loop finishes instead of during it! */
+            return i;
+    return 0;
+}
+
+int FunctionWhichReturnsLocalVariable(void)
+{
+    return Counter;
+}

examples/example_4/src/ProductionCode.h

+
+int FindFunction_WhichIsBroken(int NumberToFind);
+int FunctionWhichReturnsLocalVariable(void);

examples/example_4/src/ProductionCode2.c

+
+#include "ProductionCode2.h"
+
+char* ThisFunctionHasNotBeenTested(int Poor, char* LittleFunction)
+{
+  (void)Poor;
+  (void)LittleFunction;
+  /* Since There Are No Tests Yet, This Function Could Be Empty For All We Know.
+   * Which isn't terribly useful... but at least we put in a TEST_IGNORE so we won't forget */
+  return (char*)0;
+}

examples/example_4/src/ProductionCode2.h

+
+char* ThisFunctionHasNotBeenTested(int Poor, char* LittleFunction);

examples/example_4/src/meson.build

+###################################################################################
+#                                                                                 #
+# NAME: examples/example_4/src/meson.build                                        #
+#                                                                                 #
+# AUTHOR: Mike Karlesky, Mark VanderVoord, Greg Williams.                         #
+# WRITTEN BY: Michael Brockus.                                                    #
+#                                                                                 #
+# License: MIT                                                                    #
+#                                                                                 #
+###################################################################################
+
+
+
+example_src = files('ProductionCode.c', 'ProductionCode2.c')
+
+example_lib = library(meson.project_name(), 
+    sources: example_src,
+    include_directories: example_dir)
+
+example_dep = declare_dependency(
+    version: meson.project_version(),
+    link_with: example_lib,
+    include_directories: example_dir)
\ No newline at end of file

examples/example_4/test/TestProductionCode.c

+
+#include "ProductionCode.h"
+#include "unity.h"
+
+/* sometimes you may want to get at local data in a module.
+ * for example: If you plan to pass by reference, this could be useful
+ * however, it should often be avoided */
+extern int Counter;
+
+void setUp(void)
+{
+  /* This is run before EACH TEST */
+  Counter = 0x5a5a;
+}
+
+void tearDown(void)
+{
+}
+
+void test_FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode(void)
+{
+  /* All of these should pass */
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(78));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(2));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(33));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(999));
+  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(-1));
+}
+
+void test_FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken(void)
+{
+  /* You should see this line fail in your test summary */
+  TEST_ASSERT_EQUAL(1, FindFunction_WhichIsBroken(34));
+
+  /* Notice the rest of these didn't get a chance to run because the line above failed.
+   * Unit tests abort each test function on the first sign of trouble.
+   * Then NEXT test function runs as normal. */
+  TEST_ASSERT_EQUAL(8, FindFunction_WhichIsBroken(8888));
+}
+
+void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue(void)
+{
+    /* This should be true because setUp set this up for us before this test */
+    TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
+
+    /* This should be true because we can still change our answer */
+    Counter = 0x1234;
+    TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
+}
+
+void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain(void)
+{
+    /* This should be true again because setup was rerun before this test (and after we changed it to 0x1234) */
+    TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
+}
+
+void test_FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed(void)
+{
+    /* Sometimes you get the test wrong.  When that happens, you get a failure too... and a quick look should tell
+     * you what actually happened...which in this case was a failure to setup the initial condition. */
+    TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
+}

examples/example_4/test/TestProductionCode2.c

+
+#include "ProductionCode2.h"
+#include "unity.h"
+
+/* These should be ignored because they are commented out in various ways:
+#include "whatever.h" 
+#include "somethingelse.h"
+*/
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_IgnoredTest(void)
+{
+    TEST_IGNORE_MESSAGE("This Test Was Ignored On Purpose");
+}
+
+void test_AnotherIgnoredTest(void)
+{
+    TEST_IGNORE_MESSAGE("These Can Be Useful For Leaving Yourself Notes On What You Need To Do Yet");
+}
+
+void test_ThisFunctionHasNotBeenTested_NeedsToBeImplemented(void)
+{
+    TEST_IGNORE(); /* Like This */
+}

examples/example_4/test/meson.build

+###################################################################################
+#                                                                                 #
+# NAME: examples/example_4/test/meson.build                                       #
+#                                                                                 #
+# AUTHOR: Mike Karlesky, Mark VanderVoord, Greg Williams.                         #
+# WRITTEN BY: Michael Brockus.                                                    #
+#                                                                                 #
+# License: MIT                                                                    #
+#                                                                                 #
+###################################################################################
+
+
+
+subdir('test_runners')
\ No newline at end of file

examples/example_4/test/test_runners/TestProductionCode2_Runner.c

+/* AUTOGENERATED FILE. DO NOT EDIT. */
+
+/*=======Test Runner Used To Run Each Test Below=====*/
+#define RUN_TEST(TestFunc, TestLineNum) \
+{ \
+  Unity.CurrentTestName = #TestFunc; \
+  Unity.CurrentTestLineNumber = TestLineNum; \
+  Unity.NumberOfTests++; \
+  if (TEST_PROTECT()) \
+  { \
+      setUp(); \
+      TestFunc(); \
+  } \
+  if (TEST_PROTECT()) \
+  { \
+    tearDown(); \
+  } \
+  UnityConcludeTest(); \
+}
+
+/*=======Automagically Detected Files To Include=====*/
+#include "unity.h"
+#include <setjmp.h>
+#include <stdio.h>
+#include "ProductionCode2.h"
+
+/*=======External Functions This Runner Calls=====*/
+extern void setUp(void);
+extern void tearDown(void);
+extern void test_IgnoredTest(void);
+extern void test_AnotherIgnoredTest(void);
+extern void test_ThisFunctionHasNotBeenTested_NeedsToBeImplemented(void);
+
+
+/*=======Test Reset Option=====*/
+void resetTest(void);
+void resetTest(void)
+{
+  tearDown();
+  setUp();
+}
+
+
+/*=======MAIN=====*/
+int main(void)
+{
+  UnityBegin("test/TestProductionCode2.c");
+  RUN_TEST(test_IgnoredTest, 18);
+  RUN_TEST(test_AnotherIgnoredTest, 23);
+  RUN_TEST(test_ThisFunctionHasNotBeenTested_NeedsToBeImplemented, 28);
+
+  return (UnityEnd());
+}

examples/example_4/test/test_runners/TestProductionCode_Runner.c

+/* AUTOGENERATED FILE. DO NOT EDIT. */
+
+/*=======Test Runner Used To Run Each Test Below=====*/
+#define RUN_TEST(TestFunc, TestLineNum) \
+{ \
+  Unity.CurrentTestName = #TestFunc; \
+  Unity.CurrentTestLineNumber = TestLineNum; \
+  Unity.NumberOfTests++; \
+  if (TEST_PROTECT()) \
+  { \
+      setUp(); \
+      TestFunc(); \
+  } \
+  if (TEST_PROTECT()) \
+  { \
+    tearDown(); \
+  } \
+  UnityConcludeTest(); \
+}
+
+/*=======Automagically Detected Files To Include=====*/
+#include "unity.h"
+#include <setjmp.h>
+#include <stdio.h>
+#include "ProductionCode.h"
+
+/*=======External Functions This Runner Calls=====*/
+extern void setUp(void);
+extern void tearDown(void);
+extern void test_FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode(void);
+extern void test_FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken(void);
+extern void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue(void);
+extern void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain(void);
+extern void test_FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed(void);
+
+
+/*=======Test Reset Option=====*/
+void resetTest(void);
+void resetTest(void)
+{
+  tearDown();
+  setUp();
+}
+
+
+/*=======MAIN=====*/
+int main(void)
+{
+  UnityBegin("test/TestProductionCode.c");
+  RUN_TEST(test_FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode, 20);
+  RUN_TEST(test_FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken, 30);
+  RUN_TEST(test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue, 41);
+  RUN_TEST(test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain, 51);
+  RUN_TEST(test_FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed, 57);
+
+  return (UnityEnd());
+}

examples/example_4/test/test_runners/meson.build

+###################################################################################
+#                                                                                 #
+# NAME: examples/example_4/test/test_runners/meson.build                          #
+#                                                                                 #
+# AUTHOR: Mike Karlesky, Mark VanderVoord, Greg Williams.                         #
+# WRITTEN BY: Michael Brockus.                                                    #
+#                                                                                 #
+# License: MIT                                                                    #
+#                                                                                 #
+###################################################################################
+
+
+
+test_src_1 = [ 
+    'TestProductionCode_Runner.c',
+    join_paths('..' ,'TestProductionCode.c')
+    ]
+test_src_2 = [ 
+    'TestProductionCode2_Runner.c',
+    join_paths('..' ,'TestProductionCode2.c') 
+    ]
+
+test('Test production code one', executable('test-1', test_src_1, dependencies: [ example_dep, unity_dep ]))
+test('Test production code two', executable('test-2', test_src_2, dependencies: [ example_dep, unity_dep ]))
\ No newline at end of file

examples/meson.build

+###################################################################################
+#                                                                                 #
+# NAME: examples/meson.build                                                      #
+#                                                                                 #
+# AUTHOR: Mike Karlesky, Mark VanderVoord, Greg Williams.                         #
+# WRITTEN BY: Michael Brockus.                                                    #
+#                                                                                 #
+# License: MIT                                                                    #
+#                                                                                 #
+###################################################################################
+
+
+
+subdir('example_4')
\ No newline at end of file

meson_options.txt

+###################################################################################
+#                                                                                 #
+# NAME: meson_options.txt                                                         #
+#                                                                                 #
+# AUTHOR: Mike Karlesky, Mark VanderVoord, Greg Williams.                         #
+# WRITTEN BY: Michael Brockus.                                                    #
+#                                                                                 #
+# License: MIT                                                                    #
+#                                                                                 #
+###################################################################################
+
+
+
+option('with_examples', 
+    type: 'feature', value : 'disabled', 
+    description: 'Enable Unity for unit testing.'
+)
\ No newline at end of file