5 files changed, 17 insertions, 2 deletions
diff --git a/src/03/Makefile b/src/03/Makefile
index e09138b..c44db35 100644
--- a/src/03/Makefile
+++ b/src/03/Makefile
@@ -5,8 +5,8 @@ CC=clang
 TEST_LIBS = -lcgreen
 
 BUILDDIR := build
-OBJS := $(addprefix $(BUILDDIR)/,avl_tree.o rb_tree.o)
-TEST_OBJS := $(addprefix $(BUILDDIR)/,avl_tree_test.o rb_tree_test.o)
+OBJS := $(addprefix $(BUILDDIR)/,avl_tree.o rb_tree.o sort.o)
+TEST_OBJS := $(addprefix $(BUILDDIR)/,avl_tree_test.o rb_tree_test.o sort_test.o)
 
 $(BUILDDIR)/%.o : %.c
 	$(COMPILE.c) $(OUTPUT_OPTION) $<
diff --git a/src/03/avl_tree_test.c b/src/03/avl_tree_test.c
index dd60c05..7e24a97 100644
--- a/src/03/avl_tree_test.c
+++ b/src/03/avl_tree_test.c
@@ -376,10 +376,12 @@ TestSuite *avl_tree_tests() {
 }
 
 TestSuite *rb_tree_tests();
+TestSuite *sort_tests();
 
 int main(int argc, char **argv) {
   TestSuite *suite = create_test_suite();
   add_suite(suite, avl_tree_tests());
   add_suite(suite, rb_tree_tests());
+  add_suite(suite, sort_tests());
   return run_test_suite(suite, create_text_reporter());
 }
diff --git a/src/03/sort.c b/src/03/sort.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/03/sort.c
diff --git a/src/03/sort.h b/src/03/sort.h
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/src/03/sort.h
diff --git a/src/03/sort_test.c b/src/03/sort_test.c
new file mode 100644
index 0000000..3dae1d1
--- /dev/null
+++ b/src/03/sort_test.c
@@ -0,0 +1,13 @@
+#include "sort.h"
+#include <cgreen/cgreen.h>
+#include <string.h>
+
+Ensure(one_equals_one) {
+  assert_that(1, is_equal_to(1));
+}
+
+TestSuite *sort_tests() {
+  TestSuite *x = create_test_suite();
+  add_test(x, one_equals_one);
+  return x;
+}