stack单测，完善push、pop等

.vscode/launch.json

@@ -9,6 +9,7 @@
             "type": "cppdbg",
             "request": "launch",
             "program": "${workspaceFolder}/build/release/bin/test.exe",
+            // "program": "${workspaceFolder}/build/release/bin/demo.exe",
             "args": [],
             "stopAtEntry": false,
             "cwd": "${fileDirname}",

3rdparty/unicstl-unity/src/unity_config.h

@@ -2,7 +2,7 @@
 #ifndef _UNITY_CONFIG_H_
 #define _UNITY_CONFIG_H_
 
-// #define UNITY_OUTPUT_COLOR              1
+#define UNITY_OUTPUT_COLOR              1
 #define UNITY_USE_FLUSH_STDOUT          1
 #define UNITY_INCLUDE_PRINT_FORMATTED   1       // support TEST_PRINTF
 

demo/demo.c

@@ -58,10 +58,10 @@ int main()
     printf("----- unicstl demo -----\n");
     // while (1)
     {
-        demo_list();
+        // demo_list();
         // demo_stack();
         // demo_deque();
-        // demo_queue();
+        demo_queue();
         // demo_tree();
         // demo_heap();
     }

include/common.h

@@ -11,13 +11,14 @@
 #ifndef _COMMON_H_
 #define _COMMON_H_
 
-#define NDEBUG 1
+// #define NDEBUG 1
 
 #include <stdint.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <limits.h>
 #include <assert.h>
 
 #endif // _COMMON_H_

include/queue.h

@@ -39,13 +39,14 @@ struct _queue
     bool (*back)(struct _queue* self, void* obj);
     bool (*front)(struct _queue* self, void* obj);
 
-    bool (*clear)(struct _queue* self);
+    // base
     bool (*empty)(struct _queue* self);
-    bool (*full)(struct _queue* self);      // only for queue2
+    bool (*full)(struct _queue* self);
     uint32_t (*size)(struct _queue* self);
     uint32_t (*capacity)(struct _queue* self);
-
-    // free
+    
+    // clear and free node
+    bool (*clear)(struct _queue* self);
     void (*destory)(struct _queue* self);
 
     // print
@@ -54,8 +55,8 @@ struct _queue
 };
 typedef struct _queue* queue_t;
 
-bool queue_init(struct _queue * queue, uint32_t obj_size);
-bool queue_init2(struct _queue * queue, uint32_t obj_size, uint32_t capacity);
+bool queue_init(struct _queue* self, uint32_t obj_size);
+bool queue_init2(struct _queue* self, uint32_t obj_size, uint32_t capacity);
 
 queue_t queue_new(void);
 void queue_free(queue_t* queue);

include/stack.h

@@ -34,10 +34,11 @@ struct _stack
     bool (*pop)(struct _stack* self, void* obj);
 
     // base
-    uint32_t(*size)(struct _stack* self);
     bool (*empty)(struct _stack* self);
-
-    // others
+    uint32_t (*size)(struct _stack* self);
+    uint32_t (*capacity)(struct _stack* self);
+    
+    // clear and free node
     bool (*clear)(struct _stack* self);
     void (*destory)(struct _stack* self);
 

src/queue.c

@@ -10,26 +10,54 @@
  */
 #include "queue.h"
 
-bool queue_push(struct _queue* self, void* obj)
+static struct _queue_node * queue_node_new(void* obj, uint32_t obj_size)
 {
-    assert(self != NULL);
-    assert(obj != NULL);
-
-    void * obj_new = malloc(self->_obj_size);
+    void * obj_new = malloc(obj_size);
     if (obj_new == NULL)
     {
-        return false;
+        goto done;
     }
-    memmove(obj_new, obj, self->_obj_size);
+    memmove(obj_new, obj, obj_size);
 
     struct _queue_node* node_new = (struct _queue_node*)malloc(sizeof(struct _queue_node));
     if(node_new == NULL)
     {
-        return false;
+        goto done1;
     }
     node_new->obj = obj_new;
     node_new->next = NULL;
 
+    return node_new;
+done1:
+    free(obj_new);
+done:
+    return NULL;
+}
+
+static void queue_node_free(struct _queue_node** node)
+{
+    if(node != NULL && *node != NULL)
+    {
+        if((*node)->obj != NULL)
+        {
+            free((*node)->obj);
+        }
+        free(*node);
+        *node = NULL;
+    }
+}
+
+static bool queue_push(struct _queue* self, void* obj)
+{
+    assert(self != NULL);
+    assert(obj != NULL);
+
+    struct _queue_node* node_new = queue_node_new(obj, self->_obj_size);
+    if(node_new == NULL)
+    {
+        return false;
+    }
+
     if(self->empty(self))
     {
         self->_front = node_new;
@@ -41,10 +69,11 @@ bool queue_push(struct _queue* self, void* obj)
         self->_back = node_new;
     }
     self->_size++;
+
     return true;
 }
 
-bool queue_pop(struct _queue* self, void* obj)
+static bool queue_pop(struct _queue* self, void* obj)
 {
     assert(self != NULL);
     if (self->empty(self))
@@ -58,12 +87,12 @@ bool queue_pop(struct _queue* self, void* obj)
     }
     self->_front = node->next;
     self->_size--;
-    free(node->obj);
-    free(node);
+
+    queue_node_free(&node);
     return true;
 }
 
-bool queue_back(struct _queue* self, void* obj)
+static bool queue_back(struct _queue* self, void* obj)
 {
     assert(self != NULL);
     if (self->empty(self))
@@ -74,7 +103,7 @@ bool queue_back(struct _queue* self, void* obj)
     return true;
 }
 
-bool queue_front(struct _queue* self, void* obj)
+static bool queue_front(struct _queue* self, void* obj)
 {
     assert(self != NULL);
     if (self->empty(self))
@@ -85,16 +114,20 @@ bool queue_front(struct _queue* self, void* obj)
     return true;
 }
 
-bool queue_clear(struct _queue* self)
+static bool queue_clear(struct _queue* self)
 {
     assert(self != NULL);
+    if(self->empty(self))
+    {
+        return true;
+    }
+
     struct _queue_node* node = self->_front;
     struct _queue_node* next = NULL;
     while (node)
     {
         next = node->next;
-        free(node->obj);
-        free(node);
+        queue_node_free(&node);
         node = next;
     }
     self->_front = NULL;
@@ -103,25 +136,40 @@ bool queue_clear(struct _queue* self)
     return true;
 }
 
-bool queue_empty(struct _queue* self)
+static bool queue_empty(struct _queue* self)
 {
     assert(self != NULL);
-    return !self->size(self);
+    assert(self->size != NULL);
+    return self->size(self) == 0;
 }
 
-uint32_t queue_size(struct _queue* self)
+static bool queue_full(struct _queue* self)
+{
+    assert(self != NULL);
+    assert(self->size != NULL);
+    assert(self->capacity != NULL);
+    return self->size(self) == self->capacity(self);
+}
+
+static uint32_t queue_size(struct _queue* self)
 {
     assert(self != NULL);
     return self->_size;
 }
 
-void queue_destory(struct _queue* self)
+static uint32_t queue_capacity(struct _queue* self)
+{
+    assert(self != NULL);
+    return self->_capacity;
+}
+
+static void queue_destory(struct _queue* self)
 {
     assert(self != NULL);
     self->clear(self);
 }
 
-void queue_print(struct _queue* self)
+static void queue_print(struct _queue* self)
 {
     assert(self != NULL);
 
@@ -133,40 +181,7 @@ void queue_print(struct _queue* self)
     }
 }
 
-bool queue_init(struct _queue * queue, uint32_t obj_size)
-{
-    assert(queue != NULL);
-    assert(obj_size > 0);
-    if(queue == NULL || obj_size == 0)
-    {
-        return false;
-    }
-
-    // attribute init
-    queue->_size = 0;
-    queue->_obj_size = obj_size;
-    // queue->_capacity = 0;
-    // queue->_ratio = 0;
-
-    // function init
-    queue->push = queue_push;
-    queue->pop = queue_pop;
-    queue->back = queue_back;
-    queue->front = queue_front;
-    queue->clear = queue_clear;
-    queue->empty = queue_empty;
-    queue->size = queue_size;
-    queue->destory = queue_destory;
-    queue->print = queue_print;
-
-    // init front & back
-    queue->_front = NULL;
-    queue->_back = NULL;
-}
-
-
-
-bool queue2_push(struct _queue* self, void* obj)
+static bool queue2_push(struct _queue* self, void* obj)
 {
     assert(self != NULL);
     assert(obj != NULL);
@@ -192,7 +207,7 @@ bool queue2_push(struct _queue* self, void* obj)
     return true;
 }
 
-bool queue2_pop(struct _queue* self, void* obj)
+static bool queue2_pop(struct _queue* self, void* obj)
 {
     assert(self != NULL);
     if (self->empty(self))
@@ -218,7 +233,7 @@ bool queue2_pop(struct _queue* self, void* obj)
     return true;
 }
 
-bool queue2_back(struct _queue* self, void* obj)
+static bool queue2_back(struct _queue* self, void* obj)
 {
     assert(self != NULL);
     if (self->empty(self))
@@ -239,7 +254,7 @@ bool queue2_back(struct _queue* self, void* obj)
     return true;
 }
 
-bool queue2_front(struct _queue* self, void* obj)
+static bool queue2_front(struct _queue* self, void* obj)
 {
     assert(self != NULL);
     if (self->empty(self))
@@ -252,7 +267,7 @@ bool queue2_front(struct _queue* self, void* obj)
     return true;
 }
 
-bool queue2_clear(struct _queue* self)
+static bool queue2_clear(struct _queue* self)
 {
     assert(self != NULL);
     self->_index_front = 0;
@@ -261,25 +276,19 @@ bool queue2_clear(struct _queue* self)
     return true;
 }
 
-bool queue2_full(struct _queue* self)
-{
-    assert(self != NULL);
-    return self->size(self) == self->capacity(self);
-}
-
-uint32_t queue2_capacity(struct _queue* self)
-{
-    assert(self != NULL);
-    return self->_capacity;
-}
-
-void queue2_destory(struct _queue* self)
+static void queue2_destory(struct _queue* self)
 {
     assert(self != NULL);
     self->clear(self);
+    if(self->_front != NULL)
+    {
+        free(self->_front->obj);
+        free(self->_front);
+        self->_front = NULL;
+    }
 }
 
-void queue2_print(struct _queue* self)
+static void queue2_print(struct _queue* self)
 {
     assert(self != NULL);
     uint32_t index = 0;
@@ -297,58 +306,97 @@ void queue2_print(struct _queue* self)
     }
 }
 
-bool queue_init2(struct _queue * queue, uint32_t obj_size, uint32_t capacity)
+bool queue_init(struct _queue * self, uint32_t obj_size)
 {
-    assert(queue != NULL);
+    assert(self != NULL);
     assert(obj_size > 0);
-    assert(capacity > 0);
-    if(queue == NULL || obj_size == 0 || capacity == 0)
+    if(self == NULL || obj_size == 0)
     {
         return false;
     }
 
     // attribute init
-    queue->_size = 0;
-    queue->_obj_size = obj_size;
-    queue->_capacity = capacity;
-    queue->_ratio = 2;
+    self->_size = 0;
+    self->_obj_size = obj_size;
+    self->_capacity = UINT32_MAX;
+    self->_ratio = 1;
 
     // function init
-    queue->push = queue2_push;
-    queue->pop = queue2_pop;
-    queue->back = queue2_back;
-    queue->front = queue2_front;
-    queue->clear = queue2_clear;
-    queue->empty = queue_empty;
-    queue->full = queue2_full;
-    queue->size = queue_size;
-    queue->capacity = queue2_capacity;
-    queue->destory = queue2_destory;
-    queue->print = queue2_print;
+    self->push = queue_push;
+    self->pop = queue_pop;
 
+    self->back = queue_back;
+    self->front = queue_front;
+
+    self->clear = queue_clear;
+    self->empty = queue_empty;
+    self->full = queue_full;
+    self->size = queue_size;
+    self->capacity = queue_capacity;
+
+    self->destory = queue_destory;
+    self->print = queue_print;
+    
     // init front & back
-    queue->_front = (struct _queue_node *)malloc(sizeof(struct _queue_node));
-    if(queue->_front == NULL)
-    {
-        goto done;
-        // return false;
-    }
-    queue->_back = queue->_front;
-
-    // queue->_front->obj = calloc(queue->_capacity + 1, queue->_obj_size);
-    queue->_front->obj = calloc(queue->_capacity, queue->_obj_size);
-    if(queue->_front->obj == NULL)
-    {
-        goto done1;
-        // return false;
-    }
-    queue->_index_front = 0;
-    queue->_index_back = 0;
+    self->_front = NULL;
+    self->_back = NULL;
 
     return true;
+}
 
+bool queue_init2(struct _queue * self, uint32_t obj_size, uint32_t capacity)
+{
+    assert(self != NULL);
+    assert(obj_size > 0);
+    assert(capacity > 0);
+    if(self == NULL || obj_size == 0 || capacity == 0)
+    {
+        return false;
+    }
+
+    // attribute init
+    self->_size = 0;
+    self->_obj_size = obj_size;
+    self->_capacity = capacity;
+    self->_ratio = 2;
+
+    // function init
+    self->push = queue2_push;
+    self->pop = queue2_pop;
+
+    self->back = queue2_back;
+    self->front = queue2_front;
+
+    self->clear = queue2_clear;
+    self->empty = queue_empty;
+    self->full = queue_full;
+    self->size = queue_size;
+    self->capacity = queue_capacity;
+
+    self->destory = queue2_destory;
+    self->print = queue2_print;
+
+    // init front & back
+    self->_front = (struct _queue_node *)malloc(sizeof(struct _queue_node));
+    if(self->_front == NULL)
+    {
+        goto done;
+    }
+    self->_back = self->_front;
+
+    // use self->_front->obj as obj_array
+    // self->_front->obj = calloc(self->_capacity, self->_obj_size);
+    self->_front->obj = malloc(self->_capacity * self->_obj_size);
+    if(self->_front->obj == NULL)
+    {
+        goto done1;
+    }
+    self->_index_front = 0;
+    self->_index_back = 0;
+
+    return true;
 done1:
-    free(queue->_front);
+    free(self->_front);
 done:
     return false;
 }
@@ -360,7 +408,7 @@ queue_t queue_new(void)
 
 void queue_free(queue_t* queue)
 {
-    // assert(queue != NULL);
+    assert(queue != NULL);
     if(queue != NULL && *queue != NULL)
     {
         if((*queue)->destory != NULL)

src/stack.c

@@ -25,9 +25,7 @@ static uint32_t stack_size(struct _stack* self)
 static bool stack_empty(struct _stack* self)
 {
     assert(self != NULL);
-    // assert(self->_head != NULL);
-    // return self->_head->next == NULL ? true : false;
-    return !stack_size(self);
+    return stack_size(self) == 0;
 }
 
 static bool stack_peek(struct _stack* self, void* obj)
@@ -105,10 +103,9 @@ static bool stack_pop(struct _stack* self, void* obj)
 static bool stack_clear(struct _stack* self)
 {
     assert(self != NULL);
-
     if (self->empty(self))
     {
-        return false;
+        return true;
     }
 
     struct _stack_node* node = self->_head->next;
@@ -149,42 +146,6 @@ static void stack_print(struct _stack* self)
     }
 }
 
-bool stack_init(struct _stack* self, uint32_t obj_size)
-{
-    assert(self != NULL);
-
-    // 1. set attr
-    self->_obj_size = obj_size;
-    self->_size = 0;
-    // self->_capacity = 64;		// ÎÞЧ
-    // self->_ratio = 2;			// ÎÞЧ
-    
-    // 2. set function
-    // kernel
-    self->peek = stack_peek;
-    self->pop = stack_pop;
-    self->push = stack_push;
-
-    // others
-    self->clear = stack_clear;
-    self->empty = stack_empty;
-    self->size = stack_size;
-    self->destory = stack_destory;
-    self->print = stack_print;
-
-    // 3. set node
-    self->_head = (struct _stack_node *)malloc(sizeof(struct _stack_node));
-    if (self->_head == NULL)
-    {
-        return false;
-    }
-    self->_head->obj = NULL;
-    self->_head->next = NULL;
-
-    return true;
-}
-
-
 static bool stack2_peek(struct _stack* self, void* obj)
 {
     assert(self != NULL);
@@ -208,9 +169,9 @@ static bool stack2_push(struct _stack* self, void* obj)
     assert(self->_head != NULL);
     assert(obj != NULL);
 
-    if (self->size(self) == self->_capacity)
+    if (self->size(self) == self->capacity(self))
     {
-        void* obj_new = (void*)realloc(self->_head->obj, self->_capacity * self->_obj_size * self->_ratio);
+        void* obj_new = (void*)realloc(self->_head->obj, self->capacity(self) * self->_obj_size * self->_ratio);
         if (obj_new == NULL)
         {
             return false;
@@ -281,6 +242,51 @@ static void stack2_print(struct _stack* self)
     }
 }
 
+
+bool stack_init(struct _stack* self, uint32_t obj_size)
+{
+    assert(self != NULL);
+    assert(obj_size != 0);
+    if(self == NULL || obj_size == 0)
+    {
+        return false;
+    }
+
+    // 1. set attr
+    self->_obj_size = obj_size;
+    self->_size = 0;
+    self->_capacity = UINT32_MAX;
+    self->_ratio = 1;
+    
+    // 2. set function
+    // kernel
+    self->peek = stack_peek;
+    self->pop = stack_pop;
+    self->push = stack_push;
+
+    // base
+    self->empty = stack_empty;
+    self->size = stack_size;
+    self->capacity = stack_capacity;
+
+    // clear and free node
+    self->clear = stack_clear;
+    self->destory = stack_destory;
+    // print
+    self->print = stack_print;
+
+    // 3. set node
+    self->_head = (struct _stack_node *)malloc(sizeof(struct _stack_node));
+    if (self->_head == NULL)
+    {
+        return false;
+    }
+    self->_head->obj = NULL;
+    self->_head->next = NULL;
+
+    return true;
+}
+
 bool stack_init2(struct _stack* self, uint32_t obj_size, uint32_t capacity)
 {
     assert(self != NULL);
@@ -298,10 +304,14 @@ bool stack_init2(struct _stack* self, uint32_t obj_size, uint32_t capacity)
     self->push = stack2_push;
 
     // others
-    self->clear = stack_clear;
     self->empty = stack_empty;
     self->size = stack_size;
+    self->capacity = stack_capacity;
+
+    // clear and free node
+    self->clear = stack_clear;
     self->destory = stack2_destory;
+    // print
     self->print = stack2_print;
 
     // 3. set node
@@ -324,15 +334,19 @@ bool stack_init2(struct _stack* self, uint32_t obj_size, uint32_t capacity)
 
 stack_t stack_new(void)
 {
-    return (struct _stack*)malloc(sizeof(struct _stack));
+    return (struct _stack*)calloc(1, sizeof(struct _stack));
 }
 
 void stack_free(stack_t *stack)
 {
-    if(*stack)
+    assert(stack != NULL);
+    if(stack != NULL && *stack != NULL)
     {
-        (*stack)->destory(*stack);
+        if((*stack)->destory != NULL)
+        {
+            (*stack)->destory(*stack);
+        }
         free(*stack);
+        *stack = NULL;
     }
-    *stack = NULL;
 }

test/test.c

@@ -60,7 +60,9 @@ void print_str(void* obj)
 // --------------------------------------------------
 void setUp(void)
 {
-    // before each test
+    static uint32_t item_cnt = 1;
+    printf("[%4d] ", item_cnt);
+    item_cnt+=1;
 }
 
 void tearDown(void)
@@ -73,8 +75,8 @@ int main(int argc, char const *argv[])
     printf("----- Unicstl Unit Test -----\n");
     UNITY_BEGIN();
 
-    test_stack();
     test_queue();
+    test_stack();
     
     return UNITY_END();
 }

test/test_queue.c

@@ -10,40 +10,70 @@
  */
 #include "test.h"
 
+/**
+ * @brief 
+ * 每成功init一次，就需要对应的destory一次。否则可能存在内存泄漏
+ */
+static void test_queue_init(void)
+{
+    struct _queue queue;
+
+    // ------------------------------
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(queue_init(NULL, sizeof(int)));
+    TEST_ASSERT_FALSE(queue_init(&queue, 0));
+#endif
+    TEST_ASSERT_TRUE(queue_init(&queue, sizeof(int)));
+    queue.destory(&queue);
+
+    // ------------------------------
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(queue_init2(NULL, sizeof(int), 1));
+    TEST_ASSERT_FALSE(queue_init2(&queue, 0, 1));
+    TEST_ASSERT_FALSE(queue_init2(&queue, sizeof(int), 0));
+#endif
+    TEST_ASSERT_TRUE(queue_init2(&queue, sizeof(int), 1));
+    queue.destory(&queue);
+}
+
+/**
+ * @brief 
+ *    每成功init一次，就需要对应的free一次。否则可能存在内存泄漏
+ */
 static void test_queue_new(void)
 {
     queue_t queue = NULL;
     queue = queue_new();
+    queue_free(&queue);
+
+    // ------------------------------
+    queue = queue_new();
     TEST_ASSERT_NOT_NULL(queue);
 
-    queue_free(&queue);
-    TEST_ASSERT_NULL(queue);
-
-    queue_free(NULL);
-}
-
-static void test_queue_init(void)
-{
-    queue_t queue = NULL;
-
-    // ------------------------------
-    queue = queue_new();
-    TEST_ASSERT_TRUE(queue_init(queue, sizeof(int)));
+#ifdef NDEBUG
     TEST_ASSERT_FALSE(queue_init(NULL, sizeof(int)));
     TEST_ASSERT_FALSE(queue_init(queue, 0));
+#endif
+    TEST_ASSERT_TRUE(queue_init(queue, sizeof(int)));
     queue_free(&queue);
 
     // ------------------------------
     queue = queue_new();
-    TEST_ASSERT_TRUE(queue_init2(queue, sizeof(int), 1));
-    TEST_ASSERT_FALSE(queue_init2(NULL, sizeof(int),1 ));
+    TEST_ASSERT_NOT_NULL(queue);
+
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(queue_init2(NULL, sizeof(int), 1));
     TEST_ASSERT_FALSE(queue_init2(queue, 0, 1));
     TEST_ASSERT_FALSE(queue_init2(queue, sizeof(int), 0));
+#endif
+    TEST_ASSERT_TRUE(queue_init2(queue, sizeof(int), 1));
     queue_free(&queue);
 
-    queue_init2(queue, sizeof(int), 1);
+    TEST_ASSERT_NULL(queue);
+    queue_free(&queue); // queue_free(NULL);
 }
 
+
 static void test_queue_push(void)
 {
     int temp = 0;
@@ -56,19 +86,246 @@ static void test_queue_push(void)
     // ------------------------------
     queue = queue_new();
     queue_init(queue, sizeof(int));
+    TEST_ASSERT_TRUE(queue->empty(queue));
     for(i = 0; i < len; i++)
     {
         TEST_ASSERT_TRUE(queue->push(queue, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, queue->size(queue));
+
+        TEST_ASSERT_TRUE(queue->front(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[0], temp);
+
+        TEST_ASSERT_TRUE(queue->back(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+
+        TEST_ASSERT_FALSE(queue->empty(queue));
     }
     queue_free(&queue);
 
     // ------------------------------
     queue = queue_new();
-    queue_init2(queue, sizeof(int), 10);
+    queue_init2(queue, sizeof(int), len);
+    TEST_ASSERT_TRUE(queue->empty(queue));
+    for(i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(queue->push(queue, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, queue->size(queue));
 
+        TEST_ASSERT_TRUE(queue->front(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[0], temp);
+
+        TEST_ASSERT_TRUE(queue->back(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+
+        TEST_ASSERT_FALSE(queue->empty(queue));
+    }
+    queue_free(&queue);
+
+    // ------------------------------
+    // if capacity is less than data len
+    queue = queue_new();
+    queue_init2(queue, sizeof(int), len - 2);
+    for(i = 0; i < len; i++)
+    {
+        if(i < queue->capacity(queue))
+        {
+            TEST_ASSERT_FALSE(queue->full(queue));
+
+            TEST_ASSERT_TRUE(queue->push(queue, &data[i]));
+            TEST_ASSERT_EQUAL_INT(i + 1, queue->size(queue));
+        }
+        else
+        {
+            TEST_ASSERT_TRUE(queue->full(queue));
+
+            TEST_ASSERT_FALSE(queue->push(queue, &data[i]));
+            TEST_ASSERT_EQUAL_INT(queue->capacity(queue), queue->size(queue));
+        }
+    }
     queue_free(&queue);
 }
 
+static void test_queue_pop(void)
+{
+    int temp = 0;
+    int data[] = { 1,2,3,4,5,6,7,8,9,10 };
+    uint32_t len = sizeof(data) / sizeof(data[0]);
+    uint32_t i = 0;
+
+    queue_t queue = NULL;
+
+    // ------------------------------
+    queue = queue_new();
+    queue_init(queue, sizeof(int));
+    for(i = 0; i < len; i++)
+    {
+        queue->push(queue, &data[i]);
+    }
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(queue->front(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+
+        TEST_ASSERT_TRUE(queue->back(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[len - 1], temp);
+
+        TEST_ASSERT_TRUE(queue->pop(queue, &temp));
+
+        if (!queue->empty(queue))
+        {
+            TEST_ASSERT_TRUE(queue->front(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[i + 1], temp);
+
+            TEST_ASSERT_TRUE(queue->back(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[len - 1], temp);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(queue->front(queue, &temp));
+            TEST_ASSERT_FALSE(queue->back(queue, &temp));
+        }
+
+        TEST_ASSERT_FALSE(queue->full(queue));
+    }
+    TEST_ASSERT_TRUE(queue->empty(queue));
+    TEST_ASSERT_FALSE(queue->pop(queue, &temp));
+    queue_free(&queue);
+
+    // ------------------------------
+    queue = queue_new();
+    queue_init2(queue, sizeof(int), len);
+    for(i = 0; i < len; i++)
+    {
+        queue->push(queue, &data[i]);
+    }
+    TEST_ASSERT_TRUE(queue->full(queue));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(queue->front(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+
+        TEST_ASSERT_TRUE(queue->back(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[len - 1], temp);
+
+        TEST_ASSERT_TRUE(queue->pop(queue, &temp));
+
+        if (!queue->empty(queue))
+        {
+            TEST_ASSERT_TRUE(queue->front(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[i + 1], temp);
+
+            TEST_ASSERT_TRUE(queue->back(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[len - 1], temp);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(queue->front(queue, &temp));
+            TEST_ASSERT_FALSE(queue->back(queue, &temp));
+        }
+
+        TEST_ASSERT_FALSE(queue->full(queue));
+    }
+    TEST_ASSERT_TRUE(queue->empty(queue));
+    TEST_ASSERT_FALSE(queue->pop(queue, &temp));
+    queue_free(&queue);
+
+    // ------------------------------
+    // if capacity is less than data len
+    queue = queue_new();
+    queue_init2(queue, sizeof(int), len - 2);
+    for(i = 0; i < len; i++)
+    {
+        if(i < queue->capacity(queue))
+        {
+            TEST_ASSERT_FALSE(queue->full(queue));
+
+            TEST_ASSERT_TRUE(queue->push(queue, &data[i]));
+            TEST_ASSERT_EQUAL_INT(i + 1, queue->size(queue));
+        }
+        else
+        {
+            TEST_ASSERT_TRUE(queue->full(queue));
+
+            TEST_ASSERT_FALSE(queue->push(queue, &data[i]));
+            TEST_ASSERT_EQUAL_INT(queue->capacity(queue), queue->size(queue));
+        }
+    }
+    TEST_ASSERT_TRUE(queue->full(queue));
+    uint32_t capacity = queue->capacity(queue);
+    for (i = 0; i < len; i++)
+    {
+        if (!queue->empty(queue))
+        {
+            TEST_ASSERT_TRUE(queue->pop(queue, &temp));
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(queue->pop(queue, &temp));
+        }
+
+        if (!queue->empty(queue))
+        {
+            TEST_ASSERT_TRUE(queue->front(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[i + 1], temp);
+
+            TEST_ASSERT_TRUE(queue->back(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[capacity - 1], temp);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(queue->pop(queue, &temp));
+
+            TEST_ASSERT_FALSE(queue->front(queue, &temp));
+            TEST_ASSERT_FALSE(queue->back(queue, &temp));
+        }
+
+        TEST_ASSERT_FALSE(queue->full(queue));
+    }
+    queue_free(&queue);
+}
+
+
+static void test_queue_clear(void)
+{
+    int temp = 0;
+    int data[] = { 1,2,3,4,5,6,7,8,9,10 };
+    uint32_t len = sizeof(data) / sizeof(data[0]);
+    uint32_t i = 0;
+
+    queue_t queue = NULL;
+
+    // ------------------------------
+    queue = queue_new();
+    queue_init(queue, sizeof(int));
+    for(i = 0; i < len; i++)
+    {
+        queue->push(queue, &data[i]);
+    }
+    TEST_ASSERT_TRUE(queue->clear(queue));
+    for(i = 0; i < len; i++)
+    {
+        queue->push(queue, &data[i]);
+    }
+    TEST_ASSERT_FALSE(queue->empty(queue));
+    TEST_ASSERT_TRUE(queue->clear(queue));
+    TEST_ASSERT_TRUE(queue->empty(queue));
+    TEST_ASSERT_TRUE(queue->clear(queue));
+    queue_free(&queue);
+
+    // ------------------------------
+    queue = queue_new();
+    queue_init2(queue, sizeof(int), len);
+    TEST_ASSERT_TRUE(queue->clear(queue));
+    for(i = 0; i < len; i++)
+    {
+        queue->push(queue, &data[i]);
+    }
+    TEST_ASSERT_FALSE(queue->empty(queue));
+    TEST_ASSERT_TRUE(queue->clear(queue));
+    TEST_ASSERT_TRUE(queue->empty(queue));
+    TEST_ASSERT_TRUE(queue->clear(queue));
+    queue_free(&queue);
+}
 
 
 static void test_queue_num(void)
@@ -277,32 +534,98 @@ static void test_queue2_num(void)
     TEST_ASSERT_NULL(queue);
 }
 
-static void test_queue2_fifo_num(void)
+static void test_queue2_struct(void)
 {
     uint32_t i = 0;
-    int data[] = { 1,2,3,4,5,6,7,8,9,10 };
-    int temp = 0;
-    uint32_t len = sizeof(data) / sizeof(data[0]);
-    uint32_t capacity = len - 1;
+    struct _student data[] = {
+        {"zhao", 1001}, {"qian", 1002}, {"sun", 1003}, {"li", 1004},
+        "zhou", 1005, "wu", 1006, "zheng", 1007, "wang", 1008,
+    };
+    struct _student temp;
+    uint32_t len = sizeof(data) / sizeof(data[0]) - 1;
+    uint32_t capacity = len - 2;
 
     queue_t queue = NULL;
     queue = queue_new();
     TEST_ASSERT_NOT_NULL(queue);
 
-    TEST_ASSERT_TRUE(queue_init2(queue, sizeof(int), capacity));
+    TEST_ASSERT_TRUE(queue_init2(queue, sizeof(struct _student), capacity));
+    queue->print_obj = print_struct;
+
+    TEST_ASSERT_TRUE(queue->empty(queue));
+    TEST_ASSERT_FALSE(queue->full(queue));
+    TEST_ASSERT_FALSE(queue->front(queue, &temp));
+    TEST_ASSERT_FALSE(queue->back(queue, &temp));
 
     for (i = 0; i < len; i++)
     {
-        if (queue->size(queue) == capacity)
+        if(i < queue->capacity(queue))
         {
-            TEST_ASSERT_TRUE(queue->full(queue));
-            TEST_ASSERT_FALSE(queue->push(queue, &data[i]));
+            TEST_ASSERT_FALSE(queue->full(queue));
+
+            TEST_ASSERT_TRUE(queue->push(queue, &data[i]));
+            TEST_ASSERT_EQUAL_INT(i + 1, queue->size(queue));
         }
         else
         {
-            TEST_ASSERT_FALSE(queue->full(queue));
-            TEST_ASSERT_TRUE(queue->push(queue, &data[i]));
+            TEST_ASSERT_TRUE(queue->full(queue));
+
+            TEST_ASSERT_FALSE(queue->push(queue, &data[i]));
         }
+
+        TEST_ASSERT_TRUE(queue->front(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[0].id, temp.id);
+        TEST_ASSERT_EQUAL_STRING(data[0].name, temp.name);
+
+        TEST_ASSERT_TRUE(queue->back(queue, &temp));
+        TEST_ASSERT_EQUAL_INT(data[queue->size(queue) - 1].id, temp.id);
+        TEST_ASSERT_EQUAL_STRING(data[queue->size(queue) - 1].name, temp.name);
+    }
+
+    TEST_ASSERT_FALSE(queue->empty(queue));
+    TEST_ASSERT_TRUE(queue->clear(queue));
+    TEST_ASSERT_TRUE(queue->empty(queue));
+    for (i = 0; i < len; i++)
+    {
+        if(i < queue->capacity(queue))
+        {
+            TEST_ASSERT_TRUE(queue->push(queue, &data[i]));
+            TEST_ASSERT_EQUAL_INT(i + 1, queue->size(queue));
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(queue->push(queue, &data[i]));
+        }
+    }
+
+    for(i = 0; i < len; i++)
+    {
+        if (!queue->empty(queue))
+        {
+            TEST_ASSERT_TRUE(queue->pop(queue, &temp));
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(queue->pop(queue, &temp));
+        }
+
+        if (!queue->empty(queue))
+        {
+            TEST_ASSERT_TRUE(queue->front(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[i + 1].id, temp.id);
+            TEST_ASSERT_EQUAL_STRING(data[i + 1].name, temp.name);
+
+            TEST_ASSERT_TRUE(queue->back(queue, &temp));
+            TEST_ASSERT_EQUAL_INT(data[queue->capacity(queue) - 1].id, temp.id);
+            TEST_ASSERT_EQUAL_STRING(data[queue->capacity(queue) - 1].name, temp.name);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(queue->front(queue, &temp));
+            TEST_ASSERT_FALSE(queue->back(queue, &temp));
+        }
+
+        TEST_ASSERT_FALSE(queue->full(queue));
     }
     queue_free(&queue);
     TEST_ASSERT_NULL(queue);
@@ -311,12 +634,15 @@ static void test_queue2_fifo_num(void)
 void test_queue(void)
 {
     // TEST_MESSAGE("----- test_queue -----");
-    RUN_TEST(test_queue_new);
     RUN_TEST(test_queue_init);
+    RUN_TEST(test_queue_new);
+    RUN_TEST(test_queue_push);
+    RUN_TEST(test_queue_pop);
+    RUN_TEST(test_queue_clear);
 
     RUN_TEST(test_queue_num);
     RUN_TEST(test_queue_struct);
 
     RUN_TEST(test_queue2_num);
-    RUN_TEST(test_queue2_fifo_num);
+    RUN_TEST(test_queue2_struct);
 }

test/test_stack.c

@@ -10,6 +10,257 @@
  */
 #include "test.h"
 
+
+static void test_stack_init(void)
+{
+    struct _stack stack;
+
+    // ------------------------------
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(stack_init(NULL, sizeof(int)));
+    TEST_ASSERT_FALSE(stack_init(&stack, 0));
+#endif
+    TEST_ASSERT_TRUE(stack_init(&stack, sizeof(int)));
+    stack.destory(&stack);
+
+    // ------------------------------
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(stack_init2(NULL, sizeof(int), 1));
+    TEST_ASSERT_FALSE(stack_init2(&stack, 0, 1));
+    TEST_ASSERT_FALSE(stack_init2(&stack, sizeof(int), 0));
+#endif
+    TEST_ASSERT_TRUE(stack_init2(&stack, sizeof(int), 1));
+    stack.destory(&stack);
+}
+
+static void test_stack_new(void)
+{
+    stack_t stack = NULL;
+    stack = stack_new();
+    stack_free(&stack);
+
+    // ------------------------------
+    stack = stack_new();
+    TEST_ASSERT_NOT_NULL(stack);
+
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(stack_init(NULL, sizeof(int)));
+    TEST_ASSERT_FALSE(stack_init(stack, 0));
+#endif
+    TEST_ASSERT_TRUE(stack_init(stack, sizeof(int)));
+    stack_free(&stack);
+
+    // ------------------------------
+    stack = stack_new();
+    TEST_ASSERT_NOT_NULL(stack);
+
+#ifdef NDEBUG
+    TEST_ASSERT_FALSE(stack_init2(NULL, sizeof(int), 1));
+    TEST_ASSERT_FALSE(stack_init2(stack, 0, 1));
+    TEST_ASSERT_FALSE(stack_init2(stack, sizeof(int), 0));
+#endif
+    TEST_ASSERT_TRUE(stack_init2(stack, sizeof(int), 1));
+    stack_free(&stack);
+
+    TEST_ASSERT_NULL(stack);
+    stack_free(&stack); // stack_free(NULL);
+}
+
+static void test_stack_push(void)
+{
+    int temp = 0;
+    int data[] = { 1,2,3,4,5,6,7,8,9,10 };
+    uint32_t len = sizeof(data) / sizeof(data[0]);
+    uint32_t i = 0;
+
+    stack_t stack = NULL;
+
+    // ------------------------------
+    stack = stack_new();
+    stack_init(stack, sizeof(int));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    for(i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+
+        TEST_ASSERT_FALSE(stack->empty(stack));
+    }
+    stack_free(&stack);
+
+    // ------------------------------
+    stack = stack_new();
+    stack_init2(stack, sizeof(int), len);
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    for(i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+
+        TEST_ASSERT_FALSE(stack->empty(stack));
+    }
+    stack_free(&stack);
+
+    // ------------------------------
+    // if capacity is less than data len
+    stack = stack_new();
+    stack_init2(stack, sizeof(int), len - 2);
+    for(i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+    }
+    stack_free(&stack);
+}
+
+static void test_stack_pop(void)
+{
+    int temp = 0;
+    int data[] = { 1,2,3,4,5,6,7,8,9,10 };
+    uint32_t len = sizeof(data) / sizeof(data[0]);
+    uint32_t i = 0;
+
+    stack_t stack = NULL;
+
+    // ------------------------------
+    stack = stack_new();
+    stack_init(stack, sizeof(int));
+    for(i = 0; i < len; i++)
+    {
+        stack->push(stack, &data[i]);
+    }
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
+
+        TEST_ASSERT_TRUE(stack->pop(stack, &temp));
+
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+            TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+        }
+    }
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    TEST_ASSERT_FALSE(stack->pop(stack, &temp));
+    stack_free(&stack);
+
+    // ------------------------------
+    stack = stack_new();
+    stack_init2(stack, sizeof(int), len);
+    for(i = 0; i < len; i++)
+    {
+        stack->push(stack, &data[i]);
+    }
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
+
+        TEST_ASSERT_TRUE(stack->pop(stack, &temp));
+
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+            TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+        }
+    }
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    TEST_ASSERT_FALSE(stack->pop(stack, &temp));
+    stack_free(&stack);
+
+    // ------------------------------
+    // if capacity is less than data len
+    stack = stack_new();
+    stack_init2(stack, sizeof(int), len - 2);
+    for(i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+    }
+    uint32_t capacity = stack->capacity(stack);
+    for (i = 0; i < len; i++)
+    {
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->pop(stack, &temp));
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(stack->pop(stack, &temp));
+        }
+
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+            TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(stack->pop(stack, &temp));
+            TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+        }
+    }
+    stack_free(&stack);
+}
+
+static void test_stack_clear(void)
+{
+    int temp = 0;
+    int data[] = { 1,2,3,4,5,6,7,8,9,10 };
+    uint32_t len = sizeof(data) / sizeof(data[0]);
+    uint32_t i = 0;
+
+    stack_t stack = NULL;
+
+    // ------------------------------
+    stack = stack_new();
+    stack_init(stack, sizeof(int));
+    for(i = 0; i < len; i++)
+    {
+        stack->push(stack, &data[i]);
+    }
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    for(i = 0; i < len; i++)
+    {
+        stack->push(stack, &data[i]);
+    }
+    TEST_ASSERT_FALSE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    stack_free(&stack);
+
+    // ------------------------------
+    stack = stack_new();
+    stack_init2(stack, sizeof(int), len);
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    for(i = 0; i < len; i++)
+    {
+        stack->push(stack, &data[i]);
+    }
+    TEST_ASSERT_FALSE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    stack_free(&stack);
+}
+
 static void test_stack_num(void)
 {
     uint32_t i = 0;
@@ -19,34 +270,240 @@ static void test_stack_num(void)
 
     stack_t stack = NULL;
     stack = stack_new();
+    TEST_ASSERT_NOT_NULL(stack);
+
     TEST_ASSERT_TRUE(stack_init(stack, sizeof(int)));
     stack->print_obj = print_num;
 
     TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+    }
+
+    TEST_ASSERT_FALSE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+    }
 
     for (i = 0; i < len; i++)
     {
-        stack->push(stack, &data[i]);
-        stack->peek(stack, &temp);
-    }
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
 
-    for (i = 0; i < len + 1; i++)
-    {
-        if (true == stack->pop(stack, &temp))
+        TEST_ASSERT_TRUE(stack->pop(stack, &temp));
+
+        if (!stack->empty(stack))
         {
-            if(false != stack->peek(stack, &temp))
-            {
-                TEST_ASSERT_EQUAL(data[len - 2 - i], temp);
-            }
+            TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+            TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
         }
     }
     TEST_ASSERT_TRUE(stack->empty(stack));
+    TEST_ASSERT_FALSE(stack->pop(stack, &temp));
 
     stack_free(&stack);
     TEST_ASSERT_NULL(stack);
 }
 
+static void test_stack_struct(void)
+{
+    uint32_t i = 0;
+    struct _student data[] = {
+        {"zhao", 1001}, {"qian", 1002}, {"sun", 1003}, {"li", 1004},
+        "zhou", 1005, "wu", 1006, "zheng", 1007, "wang", 1008,
+    };
+    struct _student temp;
+    uint32_t len = sizeof(data) / sizeof(data[0]) - 1;
+
+    stack_t stack = stack_new();
+    TEST_ASSERT_NOT_NULL(stack);
+
+    stack_init(stack, sizeof(struct _student));
+    stack->print_obj = print_struct;
+
+    TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i].id, temp.id);
+        TEST_ASSERT_EQUAL_STRING(data[i].name, temp.name);
+    }
+
+    TEST_ASSERT_FALSE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+    }
+
+    for(i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1].id, temp.id);
+        TEST_ASSERT_EQUAL_STRING(data[stack->size(stack) - 1].name, temp.name);
+
+        TEST_ASSERT_TRUE(stack->pop(stack, &temp));
+
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+            TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1].id, temp.id);
+            TEST_ASSERT_EQUAL_STRING(data[stack->size(stack) - 1].name, temp.name);
+        }
+    }
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    TEST_ASSERT_FALSE(stack->pop(stack, &temp));
+    stack_free(&stack);
+    TEST_ASSERT_NULL(stack);
+}
+
+
+static void test_stack2_num(void)
+{
+    uint32_t i = 0;
+    int data[] = { 1,2,3,4,5,6,7,8,9,10 };
+    int temp = 0;
+    uint32_t len = sizeof(data) / sizeof(data[0]);
+    uint32_t capacity = len;
+
+    stack_t stack = NULL;
+    stack = stack_new();
+    TEST_ASSERT_NOT_NULL(stack);
+
+    TEST_ASSERT_TRUE(stack_init2(stack, sizeof(int), capacity));
+    stack->print_obj = print_num;
+
+    TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[i], temp);
+    }
+
+    TEST_ASSERT_FALSE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+    }
+
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
+
+        TEST_ASSERT_TRUE(stack->pop(stack, &temp));
+
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+            TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1], temp);
+        }
+    }
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    TEST_ASSERT_FALSE(stack->pop(stack, &temp));
+
+    stack_free(&stack);
+    TEST_ASSERT_NULL(stack);    
+}
+
+static void test_stack2_struct(void)
+{
+    uint32_t i = 0;
+    struct _student data[] = {
+        {"zhao", 1001}, {"qian", 1002}, {"sun", 1003}, {"li", 1004},
+        "zhou", 1005, "wu", 1006, "zheng", 1007, "wang", 1008,
+    };
+    struct _student temp;
+    uint32_t len = sizeof(data) / sizeof(data[0]) - 1;
+    uint32_t capacity = len - 2;
+
+    stack_t stack = NULL;
+    stack = stack_new();
+    TEST_ASSERT_NOT_NULL(stack);
+
+    TEST_ASSERT_TRUE(stack_init2(stack, sizeof(struct _student), capacity));
+    stack->print_obj = print_struct;
+
+    TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+
+        TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+        TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1].id, temp.id);
+        TEST_ASSERT_EQUAL_STRING(data[stack->size(stack) - 1].name, temp.name);
+    }
+
+    TEST_ASSERT_FALSE(stack->empty(stack));
+    TEST_ASSERT_TRUE(stack->clear(stack));
+    TEST_ASSERT_TRUE(stack->empty(stack));
+    for (i = 0; i < len; i++)
+    {
+        TEST_ASSERT_TRUE(stack->push(stack, &data[i]));
+        TEST_ASSERT_EQUAL_INT(i + 1, stack->size(stack));
+    }
+
+    for(i = 0; i < len; i++)
+    {
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->pop(stack, &temp));
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(stack->pop(stack, &temp));
+        }
+
+        if (!stack->empty(stack))
+        {
+            TEST_ASSERT_TRUE(stack->peek(stack, &temp));
+            TEST_ASSERT_EQUAL_INT(data[stack->size(stack) - 1].id, temp.id);
+            TEST_ASSERT_EQUAL_STRING(data[stack->size(stack) - 1].name, temp.name);
+        }
+        else
+        {
+            TEST_ASSERT_FALSE(stack->peek(stack, &temp));
+        }
+    }
+    stack_free(&stack);
+    TEST_ASSERT_NULL(stack);
+}
+
 void test_stack(void)
 {
     RUN_TEST(test_stack_num);
+
+    RUN_TEST(test_stack_init);
+    RUN_TEST(test_stack_new);
+    RUN_TEST(test_stack_push);
+    RUN_TEST(test_stack_pop);
+    RUN_TEST(test_stack_clear);
+
+    RUN_TEST(test_stack_num);
+    RUN_TEST(test_stack_struct);
+
+    RUN_TEST(test_stack2_num);
+    RUN_TEST(test_stack2_struct);
 }