diff --git a/.gitignore b/.gitignore
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+++ b/.gitignore
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+doble_initial.exe
diff --git a/runTests.exe b/runTests.exe
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diff --git a/stack.o b/stack.o
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diff --git a/test_stack.c b/test_stack.c
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+++ b/test_stack.c
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+#include "unity.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "stack.h"
+
+void test_createNode(void) {
+
+  int testInt = 26;
+
+  StackNode *testNode = createNode(&testInt);
+
+  TEST_ASSERT_NOT_NULL(testNode);
+
+  TEST_ASSERT_EQUAL_PTR(&testInt, testNode->data);
+
+  TEST_ASSERT_NULL(testNode->next);
+
+  free(testNode);
+}
+
+void test_pushDataToStack(void) {}
+
+void test_deleteTopElement(void) {}
+
+void test_returnData(void) {}
+
+void test_clearStack(void) {
+
+  int testInts[] = {1, 2, 3, 4, 5};
+  StackNode *testStack = NULL;
+
+  for (int i = 0; i < 5; i++) {
+
+    testStack = push(testStack, &testInts[i]);
+  }
+
+  testStack = clearStack(testStack);
+  TEST_ASSERT_NULL(testStack);
+}
+
+void setUp(void) {}
+void tearDown(void) {}
+
+int main(void) {
+
+  UNITY_BEGIN();
+
+  printf("------------------------stack test------------------------\n");
+  RUN_TEST(test_createNode);
+  RUN_TEST(test_pushDataToStack);
+  RUN_TEST(test_deleteTopElement);
+  RUN_TEST(test_returnData);
+  RUN_TEST(test_clearStack);
+  RUN_TEST(test_clearStack);
+
+  return UNITY_END();
+}
diff --git a/test_stack.o b/test_stack.o
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