增加测试文件，修改resize方法，完善readme

Author: vip601115211

.gitignore

@@ -33,4 +33,5 @@ tests/*/*.out
 tests/*/*.php
 tests/*/*.exp
 tests/*/*.log
-tests/*/*.sh
+tests/*/*.sh
+tmp-php.ini

README.md

@@ -5,7 +5,11 @@
 ArrayList是一个使用使用C实现类似于Java ArrayList的扩展。
 适用于大数组环境,提高内存使用率，比原生array使用更少的内存。
 
-## linux mac 环境下编译安装
+## Requirement
+php7.0 +
+
+## Install
+# Compile ArrayList in Linux mac
 
 ```shell
 phpize
@@ -14,8 +18,22 @@ make
 make install
 ```
 
-支持函数
+## Document
+```php
+ArrayList implements ArrayAccess {
+    /* 方法 */
+    public __construct ([ int $size = 0 ] )
+    public count ( void ) : int
+    public static fromArray (void) : array
+    public getSize ( void ) : int
+    public get ( int $index ) : mixed
+    public add (mixed $newval ) : void
+    public toArray ( void ) : array
+}
+
+```
 
+## More
 ```php
 $ret = new ArrayList();
 $ret->add(1);
@@ -25,31 +43,33 @@ $ret->getSize();
 $ret->toArray();
 ```
 
-二维ArrayList
-
 ```php
-$ret = new ArrayList(10);
-$ret2 = new ArrayList(3);
-$ret2->add(1);
-$ret2->add(2);
-$ret2->add(3);
+const SIZE = 20;
+$ret2 = new ArrayList();
+$ret3 = new ArrayList();
+for ($i = 0; $i < SIZE; $i++)
+{
+	$ret2->add((string)$i);
+	$ret3->add((string)(SIZE-$i));
+}
+$ret = new Arraylist();
 $ret->add($ret2);
-for ($i=0; $i<$ret->count(); $i++) {
-    for ($j=0; $j<$ret2->count(); $j++) {
-        var_dump($ret2->get($j));
-    }
+$ret->add($ret3);
+for ($i = 0; $i < $ret->count(); $i++) {
+	for($j = 0; $j < $ret->get($i)->count(); $j++) {
+		var_dump($ret->get($i)->get($j));
+	}
+	echo "\n";
 }
 ```
 
-ArrayList存array
-
 ```php
-$ret3 = new ArrayList(1);
-$ret3->add([1, 3,4,5, 6,]);
-$ret3->add([3, 4,5,6, 7,]);
-for ($i=0; $i<$ret3->count(); $i++){
- foreach($ret3->get($i) as $v){
-  var_dump($v);
- }
+$ret = new ArrayList();
+$ret->add([1, 3, 4, 5, 6,]);
+$ret->add([8, 9, 10]);
+for ($i = 0; $i< $ret->count(); $i++) {
+    foreach($ret->get($i) as $v){
+        var_dump($v);
+    }
 }
 ```

arraylist.c

@@ -130,22 +130,13 @@ PHP_METHOD(arraylist, __construct)
 
 static void arraylist_resize(arraylist *array) /* {{{ */
 {
-	if (array->nNextIndex >= array->nSize)
-	{
-        size_t i = 0;
+	if (array->nNextIndex < array->nSize) {
+		return;
+	} else if (array->nNextIndex >= array->nSize) {
 		size_t oldSize = array->nSize == 1? 2 : array->nSize;
 		size_t newSize = oldSize + (oldSize >> 1);
-		zval *elements  = (zval *)ecalloc(newSize, sizeof(zval));
-		for (; i < array->nSize; i++)
-		{
-			if (!Z_ISUNDEF(array->elements[i])) {
-				elements[i] = array->elements[i];
-           	 	zval_dtor(&array->elements[i]);
-			}
-		}
-		efree(array->elements);
-		array->elements = NULL;
-		array->elements = elements;
+		array->elements = safe_erealloc(array->elements, newSize, sizeof(zval), 0);
+		memset(array->elements + array->nSize, '\0', sizeof(zval) * (newSize - array->nSize));
 		array->nSize = newSize;
 	}
 }
@@ -174,7 +165,6 @@ static inline void arraylist_object_write_dimension_helper(arraylist_object *int
 		}
 		ZVAL_DEREF(value);
 		ZVAL_COPY(&intern->array.elements[index], value);
-		Z_TRY_ADDREF_P(value);
 	}
 }
 /* }}} */

tests/003.phpt

@@ -0,0 +1,66 @@
+--TEST--
+Check for arraylist multidimensional arrays 
+--SKIPIF--
+<?php if (!extension_loaded("arraylist")) print "skip"; ?>
+--FILE--
+<?php
+const SIZE = 20;
+$ret2 = new ArrayList();
+$ret3 = new ArrayList();
+for ($i = 0; $i < SIZE; $i++)
+{
+	$ret2->add((string)$i);
+	$ret3->add((string)(SIZE-$i));
+}
+$ret = new Arraylist();
+$ret->add($ret2);
+$ret->add($ret3);
+for ($i = 0; $i < $ret->count(); $i++) {
+	for($j = 0; $j < $ret->get($i)->count(); $j++) {
+		var_dump($ret->get($i)->get($j));
+	}
+	echo "\n";
+}
+?>
+--EXPECT--
+string(1) "0"
+string(1) "1"
+string(1) "2"
+string(1) "3"
+string(1) "4"
+string(1) "5"
+string(1) "6"
+string(1) "7"
+string(1) "8"
+string(1) "9"
+string(2) "10"
+string(2) "11"
+string(2) "12"
+string(2) "13"
+string(2) "14"
+string(2) "15"
+string(2) "16"
+string(2) "17"
+string(2) "18"
+string(2) "19"
+
+string(2) "20"
+string(2) "19"
+string(2) "18"
+string(2) "17"
+string(2) "16"
+string(2) "15"
+string(2) "14"
+string(2) "13"
+string(2) "12"
+string(2) "11"
+string(2) "10"
+string(1) "9"
+string(1) "8"
+string(1) "7"
+string(1) "6"
+string(1) "5"
+string(1) "4"
+string(1) "3"
+string(1) "2"
+string(1) "1"

tests/004.phpt

@@ -0,0 +1,24 @@
+--TEST--
+Check for arraylist array 
+--SKIPIF--
+<?php if (!extension_loaded("arraylist")) print "skip"; ?>
+--FILE--
+<?php
+$ret = new ArrayList();
+$ret->add([1, 3, 4, 5, 6,]);
+$ret->add([8, 9, 10]);
+for ($i = 0; $i< $ret->count(); $i++) {
+    foreach($ret->get($i) as $v){
+        var_dump($v);
+    }
+}
+?>
+--EXPECT--
+int(1)
+int(3)
+int(4)
+int(5)
+int(6)
+int(8)
+int(9)
+int(10)