0.c

#include "point.h"

struct point MakePoint(int x, int y)
{
  struct point pt;
  pt.x = x;
  pt.y = y;
  return pt;
}

1.txt

$ rake test:all

Test 'test_point.c'
-------------------
Compiling point.c...
Linking test_point.out...
Running test_point.out...

-------------------------
OVERALL UNIT TEST SUMMARY
-------------------------
TESTED:  1
PASSED:  1
FAILED:  0
IGNORED: 0

2.txt

$ rake module:create[display]
Generating 'display'...
mkdir -p ./test/.
mkdir -p ./src/.
File ./test/./test_display.c created
File ./src/./display.c created
File ./src/./display.h created

3.c

#include "unity.h"
#include "point.h"
#include "mock_display.h"

// previously defined test <code>setUp</code>, <code>tearDown</code> functions

void test_DrawPoint_Draws_Both_of_its_Coordinates(void)
{
  struct point pt = MakePoint(3, 4);
  Draw_Int_Expect(3);
  Draw_Int_Expect(4);
  DrawPoint(pt);
}

4.txt

$ rake test:pattern[point]

Test 'test_point.c'
-------------------
Linking test_point.out...
Undefined symbols for architecture x86_64:
  "_DrawPoint", referenced from:
      _test_DrawPoint_Draws_Both_of_its_Coordinates in test_point.o
     (maybe you meant: _test_DrawPoint_Draws_Both_of_its_Coordinates)
  "_Draw_Int_Expect", referenced from:
      _test_DrawPoint_Draws_Both_of_its_Coordinates in test_point.o
ld: symbol(s) not found for architecture x86_64
collect2: ld returned 1 exit status
ERROR: Shell command failed.
> Shell executed command:
'gcc "build/test/out/test_point_runner.o" "build/test/out/test_point.o"
"build/test/out/mock_display.o" "build/test/out/point.o"
"build/test/out/unity.o" "build/test/out/cmock.o" -o
"build/test/out/test_point.out"'
> And exited with status: [1].
...

5.c

#ifndef point_H
#define point_H

// previous declarations

void DrawPoint(struct point);

#endif // point_H

6.c

#include "point.h"

// previously defined functions

void DrawPoint(struct point pt)
{
}

7.c

#ifndef display_H
#define display_H

void Draw_Int(int);

#endif // display_H

8.txt

$ rake test:pattern[point]

Test 'test_point.c'
-------------------
Compiling point.c...
Linking test_point.out...
Running test_point.out...

------------------------
FAILED UNIT TEST SUMMARY
------------------------
[test_point.c]
  Test: test_DrawPoint_Draws_Both_of_its_Coordinates
  At line (20): "Function 'Draw_Int' called less times than expected."

-------------------------
OVERALL UNIT TEST SUMMARY
-------------------------
TESTED:  2
PASSED:  1
FAILED:  1
IGNORED: 0

---------------------
BUILD FAILURE SUMMARY
---------------------
Unit test failures.

9.c

#include "point.h"
#include "display.h"

// previously defined functions

void DrawPoint(struct point pt)
{
  Draw_Int(pt.x);
  Draw_Int(pt.y);
}