diff --git a/Makefile b/Makefile
index 2226dfa..632970b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,6 @@
 TARGET := source
 SRCDIR := source
+TSTDIR := test
 
 CC ?= gcc
 
@@ -40,7 +41,7 @@ endif
 
 SRCS := 
 HDRS := 
-EXTDIRS := examples
+EXTDIRS := examples test
 
 all: create shared static
 	for f in $(EXTDIRS); do $(MAKE) -C $$f all; done
@@ -74,4 +75,7 @@ clone: create clean_include myhtml_clone mycss_clone modest_clone myfont_clone
 	find include -name "*.h" -exec sed -i '.bak' -E 's/^[ \t]*#[ \t]*include[ \t]*"([^"]+)"/#include <\1>/g' {} \;
 	find include -name "*.h.bak" -exec rm -f {} \;
 
-.PHONY: all clean clone
\ No newline at end of file
+test:
+	test/mycss/declaration test/mycss/data/declaration
+
+.PHONY: all clean clone test
\ No newline at end of file
diff --git a/test/Makefile b/test/Makefile
new file mode 100644
index 0000000..70e1c40
--- /dev/null
+++ b/test/Makefile
@@ -0,0 +1,50 @@
+TARGET := test
+SRCDIR := test
+
+CC ?= gcc
+LIBS := ../lib/libmodest_static.a
+LDLIBS := $(LIBS)
+
+INCLUDE_TMP := include
+
+MODEST_OPTIMIZATION_LEVEL ?= -O2
+
+CFLAGS ?= -Wall -Werror
+CFLAGS += $(MODEST_OPTIMIZATION_LEVEL) -Wno-unused-variable -fPIC --std=c99 -I../include
+
+MODEST_BUILD_WITHOUT_THREADS ?= NO
+ifeq ($(MODEST_BUILD_WITHOUT_THREADS),YES)
+    $(info Build Examples without POSIX Threads)
+else
+    $(info Build Examples with POSIX Threads)
+	CFLAGS += -pthread
+endif
+
+ifeq ($(OS),Windows_NT)
+else
+	UNAM := $(shell uname -s)
+	ifeq ($(UNAM),Darwin)
+	else
+		CFLAGS += -D_POSIX_C_SOURCE=199309L
+	endif
+endif
+
+find_files_h = $(wildcard $(dir)/*.h)
+find_files_c = $(wildcard $(dir)/*.c)
+
+SUBDIRS := mycss
+HDRS += $(foreach dir,$(SUBDIRS),$(find_files_h))
+SRCS += $(foreach dir,$(SUBDIRS),$(find_files_c))
+#SRCS_FN += $(foreach dir,$(SUBDIRS),$(notdir $(find_files_c)))
+
+OBJS := $(patsubst %.c,%,$(SRCS))
+#OBJS_RM := $(patsubst %.c,%,$(SRCS_FN))
+
+all: $(TARGET)
+
+$(TARGET): $(OBJS)
+
+clean:
+	rm -f $(OBJS)
+
+.PHONY: all
\ No newline at end of file
diff --git a/test/mycss/data/declaration/height.html b/test/mycss/data/declaration/height.html
new file mode 100644
index 0000000..b7676d3
--- /dev/null
+++ b/test/mycss/data/declaration/height.html
@@ -0,0 +1,2 @@
+<test name="height" value="10%">10%</test>
+<test name="height" value="unset">unset</test>
diff --git a/test/mycss/data/declaration/width.html b/test/mycss/data/declaration/width.html
new file mode 100644
index 0000000..48cd68f
--- /dev/null
+++ b/test/mycss/data/declaration/width.html
@@ -0,0 +1,2 @@
+<test name="width" value="10%">10%</test>
+<test name="width" value="unset">unset</test>
diff --git a/test/mycss/declaration.c b/test/mycss/declaration.c
new file mode 100644
index 0000000..1dad8d1
--- /dev/null
+++ b/test/mycss/declaration.c
@@ -0,0 +1,399 @@
+/*
+ Copyright (C) 2015-2016 Alexander Borisov
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+
+ Author: lex.borisov@gmail.com (Alexander Borisov)
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <stdbool.h>
+
+#include <myhtml/myhtml.h>
+#include <myhtml/mystring.h>
+#include <myhtml/serialization.h>
+
+#include <mycss/mycss.h>
+#include <mycss/declaration/init.h>
+
+#define TEST_FAILED(status) ((status) != 0)
+
+typedef bool (*test_read_dir_callback_f)(const char* filename, size_t filename_length, void* ctx);
+
+struct test_stat {
+    size_t good;
+    size_t total;
+}
+typedef test_stat_t;
+
+struct test_data {
+    myhtml_tree_t* tree;
+    mycss_entry_t* entry;
+    
+    test_stat_t stat;
+}
+typedef test_data_t;
+
+struct test_res {
+    char*  data;
+    size_t size;
+}
+typedef test_res_t;
+
+test_res_t test_load_file(const char* filename)
+{
+    FILE *fh = fopen(filename, "rb");
+    if(fh == NULL) {
+        fprintf(stderr, "Can't open file: %s\n", filename);
+        exit(EXIT_FAILURE);
+    }
+
+    fseek(fh, 0L, SEEK_END);
+    long size = ftell(fh);
+    fseek(fh, 0L, SEEK_SET);
+
+    char *file_data = (char*)malloc(size + 1);
+    if(file_data == NULL) {
+        fprintf(stderr, "Can't allocate mem for file: %s\n", filename);
+        exit(EXIT_FAILURE);
+    }
+
+    size_t nread = fread(file_data, 1, size, fh);
+    if (nread != size) {
+        fprintf(stderr, "Could not read %ld bytes (%zu bytes done)\n", size, nread);
+        exit(EXIT_FAILURE);
+    }
+
+    fclose(fh);
+
+    if(size < 0) {
+        size = 0;
+    }
+    
+    return (test_res_t){file_data, (size_t)size};
+}
+
+void test_init_str_raw(myhtml_string_raw_t* str, size_t size)
+{
+    str->size   = size;
+    str->length = 0;
+    str->data   = (char*)myhtml_malloc(str->size * sizeof(char));
+    
+    if(str->data == NULL) {
+        fprintf(stderr, "Can't allocation resources for myhtml_string_raw_t object\n");
+        exit(EXIT_FAILURE);
+    }
+}
+
+void test_reallocate_str(myhtml_string_raw_t *str, size_t size)
+{
+    str->data = (char*)myhtml_realloc(str->data, size * sizeof(char));
+    
+    if(str->data == NULL) {
+        fprintf(stderr, "Can't reallocation resources for myhtml_string_raw_t object\n");
+        exit(EXIT_FAILURE);
+    }
+}
+
+void test_str_set_term(myhtml_string_raw_t *str)
+{
+    if((str->length + 1) >= str->size)
+        test_reallocate_str(str, 64);
+    
+    str->data[ str->length ] = '\0';
+}
+
+myhtml_string_raw_t test_combine_to_style(const char* one, size_t one_len, const char* two, size_t two_len)
+{
+    size_t new_size = one_len + two_len;
+    
+    myhtml_string_raw_t str = {0};
+    test_init_str_raw(&str, (new_size + 2));
+    
+    memcpy(str.data, one, sizeof(char) * one_len);
+    str.length = one_len;
+    
+    str.data[str.length] = ':';
+    str.length++;
+    
+    memcpy(&str.data[str.length], two, sizeof(char) * two_len);
+    str.length += two_len;
+    
+    str.data[ str.length ] = '\0';
+    
+    return str;
+}
+
+/* basic init */
+myhtml_tree_t * test_declaration_create_myhtml(void)
+{
+    myhtml_t* myhtml = myhtml_create();
+    if(myhtml == NULL)
+        exit(EXIT_FAILURE);
+    
+    myhtml_status_t status = myhtml_init(myhtml, MyHTML_OPTIONS_PARSE_MODE_SINGLE, 1, 0);
+    if(TEST_FAILED(status)) exit(EXIT_FAILURE);
+    
+    myhtml_tree_t* tree = myhtml_tree_create();
+    if(tree == NULL)
+        exit(EXIT_FAILURE);
+    
+    status = myhtml_tree_init(tree, myhtml);
+    if(TEST_FAILED(status)) exit(EXIT_FAILURE);
+    
+    myhtml_tree_parse_flags_set(tree, MyHTML_TREE_PARSE_FLAGS_SKIP_WHITESPACE_TOKEN|MyHTML_TREE_PARSE_FLAGS_WITHOUT_DOCTYPE_IN_TREE);
+    
+    return tree;
+}
+
+void test_declaration_destroy_myhtml(myhtml_tree_t *tree)
+{
+    myhtml_t* myhtml = tree->myhtml;
+    
+    myhtml_tree_destroy(tree);
+    myhtml_destroy(myhtml);
+}
+
+mycss_entry_t * test_declaration_create_mycss(void)
+{
+    mycss_t *mycss = mycss_create();
+    if(mycss == NULL)
+        exit(EXIT_FAILURE);
+        
+    mycss_status_t status = mycss_init(mycss);
+    if(TEST_FAILED(status)) exit(EXIT_FAILURE);
+    
+    // currenr entry work init
+    mycss_entry_t *entry = mycss_entry_create();
+    if(entry == NULL)
+        exit(EXIT_FAILURE);
+    
+    status = mycss_entry_init(mycss, entry);
+    if(TEST_FAILED(status)) exit(EXIT_FAILURE);
+    
+    return entry;
+}
+
+void test_declaration_destroy_mycss(mycss_entry_t *entry)
+{
+    mycss_t *mycss = entry->mycss;
+    
+    mycss_entry_destroy(entry, true);
+    mycss_destroy(mycss, true);
+}
+
+test_stat_t test_read_dir(const char* dir_path, test_read_dir_callback_f callback, void* context)
+{
+    /* ho-ho-ho */
+    char path[(4096 * 4)];
+    sprintf(path, "%s", dir_path);
+    
+    printf("Tests in directory: %s\n", path);
+    
+    size_t path_len = strlen(dir_path);
+
+    DIR *dir;
+    struct dirent *ent;
+    struct stat path_stat;
+
+    test_stat_t result_stat = {0};
+
+    if((dir = opendir(dir_path)) != NULL)
+    {
+        while((ent = readdir(dir)) != NULL)
+        {
+            sprintf(&path[path_len], "/%s", ent->d_name);
+
+            stat(path, &path_stat);
+
+            if(ent->d_name[0] == '.' || S_ISDIR(path_stat.st_mode))
+                continue;
+            
+            result_stat.total++;
+            printf("%zu) %s: ", result_stat.total, ent->d_name);
+            
+            if(callback(path, (ent->d_namlen + path_len + 1), context)) {
+                result_stat.good++;
+            }
+        }
+
+        closedir (dir);
+    }
+    
+    return result_stat;
+}
+
+/* test */
+bool test_process_elements(test_data_t *test_data, myhtml_collection_t *collection, test_stat_t* result_stat);
+myhtml_string_raw_t test_process_result_from_node(test_data_t *test_data, myhtml_tree_node_t *node);
+myhtml_string_raw_t test_process_serialize_stype(test_data_t *test_data, const char* style, size_t style_size);
+void test_process_serialize_callback(const char* buffer, size_t size, void* ctx);
+
+bool test_process_callback(const char* filename, size_t filename_len, void* context)
+{
+    test_data_t *test_data = (test_data_t*)context;
+    test_res_t html_data = test_load_file(filename);
+    test_stat_t result_stat = {0};
+    
+    /* parse html */
+    myhtml_status_t status = myhtml_parse(test_data->tree, MyHTML_ENCODING_UTF_8, html_data.data, html_data.size);
+    if(status) {
+        fprintf(stderr, "Could parse HTML from file %s error code %d\n", filename, status);
+        exit(EXIT_FAILURE);
+    }
+    
+    /* find test elements */
+    myhtml_collection_t *collection = myhtml_get_nodes_by_name_in_scope(test_data->tree, NULL, test_data->tree->node_body, "test", 4, NULL);
+    
+    if(collection->length)
+        test_process_elements(test_data, collection, &result_stat);
+    
+    myhtml_collection_destroy(collection);
+    
+    if((result_stat.total - result_stat.good)) {
+        printf("\tResult: ");
+    }
+    
+    printf("count(%zu) good(%zu) bad(%zu)\n", result_stat.total, result_stat.good, (result_stat.total - result_stat.good));
+    
+    test_data->stat.good += result_stat.good;
+    test_data->stat.total += result_stat.total;
+    
+    myhtml_free(html_data.data);
+    return true;
+}
+
+bool test_process_elements(test_data_t *test_data, myhtml_collection_t *collection, test_stat_t* result_stat)
+{
+    for(size_t i = 0; i < collection->length; i++)
+    {
+        myhtml_tree_node_t *node = collection->list[i];
+        myhtml_tree_attr_t* attr_name = myhtml_attribute_by_key(node, "name", 4);
+        myhtml_tree_attr_t* attr_value = myhtml_attribute_by_key(node, "value", 5);
+        
+        size_t name_length;
+        size_t value_length;
+        
+        const char* name = myhtml_attribute_value(attr_name, &name_length);
+        const char* value = myhtml_attribute_value(attr_value, &value_length);
+        
+        myhtml_string_raw_t style = test_combine_to_style(name, name_length, value, value_length);
+        
+        myhtml_string_raw_t correct_result = test_process_result_from_node(test_data, node);
+        myhtml_string_raw_t parse_result = test_process_serialize_stype(test_data, style.data, style.length);
+        
+        result_stat->total++;
+        
+        if(correct_result.length == parse_result.length &&
+           strcmp(correct_result.data, parse_result.data) == 0)
+        {
+            result_stat->good++;
+        }
+        else {
+            if((result_stat->total - result_stat->good) == 1) {
+                printf("\n");
+            }
+            
+            printf("\tBad: name=\"%s\" value=\"%s\" need=\"%s\" result=\"%s\"\n", name, value, correct_result.data, parse_result.data);
+        }
+
+        myhtml_string_raw_destroy(&style, false);
+        myhtml_string_raw_destroy(&correct_result, false);
+        myhtml_string_raw_destroy(&parse_result, false);
+        
+        mycss_entry_clean_all(test_data->entry);
+    }
+    
+    return true;
+}
+
+myhtml_string_raw_t test_process_result_from_node(test_data_t *test_data, myhtml_tree_node_t *node)
+{
+    myhtml_string_raw_t str = {0};
+    
+    if(myhtml_serialization_node_buffer(test_data->tree, node->child, &str) == false) {
+        fprintf(stderr, "Could serialization HTML node\n");
+        exit(EXIT_FAILURE);
+    }
+    
+    return str;
+}
+
+myhtml_string_raw_t test_process_serialize_stype(test_data_t *test_data, const char* style, size_t style_size)
+{
+    myhtml_string_raw_t str;
+    test_init_str_raw(&str, 4096);
+    
+    mycss_status_t status;
+    mycss_declaration_entry_t *declaration = mycss_declaration_parse(test_data->entry->declaration, MyHTML_ENCODING_UTF_8, style, style_size, &status);
+    
+    if(status) {
+        fprintf(stderr, "Could parse CSS Style (%d): %s\n", status, style);
+        exit(EXIT_FAILURE);
+    }
+    
+    mycss_declaration_serialization_entry_only_value(test_data->entry, declaration, test_process_serialize_callback, &str);
+    test_str_set_term(&str);
+    
+    return str;
+}
+
+void test_process_serialize_callback(const char* buffer, size_t size, void* ctx)
+{
+    myhtml_string_raw_t *str = (myhtml_string_raw_t*)ctx;
+    
+    if((str->length + size) >= str->size)
+        test_reallocate_str(str, 4096);
+    
+    memcpy(&str->data[ str->length ], buffer, sizeof(char) * size);
+    str->length += size;
+}
+
+int main(int argc, const char * argv[])
+{
+    setbuf(stdout, NULL);
+    
+    if (argc < 2) {
+        printf("Bad ARGV!\nUse: declaration <path_to_dir_test>\n");
+        exit(EXIT_FAILURE);
+    }
+    
+    test_data_t test_data = {
+        test_declaration_create_myhtml(),
+        test_declaration_create_mycss(),
+        {0}
+    };
+    
+    //test_read_dir("/new/C-git/Modest/test/mycss/data/declaration", test_process_callback, &test_data);
+    
+    test_read_dir(argv[1], test_process_callback, &test_data);
+    
+    size_t bad_count = (test_data.stat.total - test_data.stat.good);
+    printf("\nTotal: %zu; Good: %zu; Bad: %zu\n", test_data.stat.total, test_data.stat.good, bad_count);
+    
+    test_declaration_destroy_myhtml(test_data.tree);
+    test_declaration_destroy_mycss(test_data.entry);
+    
+    return (bad_count ? EXIT_FAILURE : EXIT_SUCCESS);
+}
+
+
+
+