Protocol Buffers - Google's data interchange format (grpc依赖) https://developers.google.com/protocol-buffers/
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<?php
require_once('test_util.php');
use Google\Protobuf\Internal\RepeatedField;
use Google\Protobuf\Internal\GPBType;
use Foo\TestMessage;
use Foo\TestMessage_Sub;
class RepeatedFieldTest extends PHPUnit_Framework_TestCase
{
#########################################################
# Test int32 field.
#########################################################
public function testInt32()
{
$arr = new RepeatedField(GPBType::INT32);
// Test append.
$arr []= MAX_INT32;
$this->assertSame(MAX_INT32, $arr[0]);
$arr []= MIN_INT32;
$this->assertSame(MIN_INT32, $arr[1]);
$arr []= 1.1;
$this->assertSame(1, $arr[2]);
$arr []= MAX_INT32_FLOAT;
$this->assertSame(MAX_INT32, $arr[3]);
$arr []= MAX_INT32_FLOAT;
$this->assertSame(MAX_INT32, $arr[4]);
$arr []= '2';
$this->assertSame(2, $arr[5]);
$arr []= '3.1';
$this->assertSame(3, $arr[6]);
$arr []= MAX_INT32_STRING;
$this->assertSame(MAX_INT32, $arr[7]);
$this->assertEquals(8, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = 0;
$this->assertSame(0, $arr[$i]);
}
// Test set.
$arr [0]= MAX_INT32;
$this->assertSame(MAX_INT32, $arr[0]);
$arr [1]= MIN_INT32;
$this->assertSame(MIN_INT32, $arr[1]);
$arr [2]= 1.1;
$this->assertSame(1, $arr[2]);
$arr [3]= MAX_INT32_FLOAT;
$this->assertSame(MAX_INT32, $arr[3]);
$arr [4]= MAX_INT32_FLOAT;
$this->assertSame(MAX_INT32, $arr[4]);
$arr [5]= '2';
$this->assertSame(2, $arr[5]);
$arr [6]= '3.1';
$this->assertSame(3, $arr[6]);
$arr [7]= MAX_INT32_STRING;
$this->assertSame(MAX_INT32, $arr[7]);
// Test foreach.
$arr = new RepeatedField(GPBType::INT32);
for ($i = 0; $i < 3; $i++) {
$arr []= $i;
}
$i = 0;
foreach ($arr as $val) {
$this->assertSame($i++, $val);
}
$this->assertSame(3, $i);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt32AppendStringFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt32SetStringFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 0;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt32AppendMessageFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt32SetMessageFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 0;
$arr [0]= new TestMessage_Sub();
}
#########################################################
# Test uint32 field.
#########################################################
public function testUint32()
{
$arr = new RepeatedField(GPBType::UINT32);
// Test append.
$arr []= MAX_UINT32;
$this->assertSame(-1, $arr[0]);
$arr []= -1;
$this->assertSame(-1, $arr[1]);
$arr []= MIN_UINT32;
$this->assertSame(MIN_UINT32, $arr[2]);
$arr []= 1.1;
$this->assertSame(1, $arr[3]);
$arr []= MAX_UINT32_FLOAT;
$this->assertSame(-1, $arr[4]);
$arr []= -1.0;
$this->assertSame(-1, $arr[5]);
$arr []= MIN_UINT32_FLOAT;
$this->assertSame(MIN_UINT32, $arr[6]);
$arr []= '2';
$this->assertSame(2, $arr[7]);
$arr []= '3.1';
$this->assertSame(3, $arr[8]);
$arr []= MAX_UINT32_STRING;
$this->assertSame(-1, $arr[9]);
$arr []= '-1.0';
$this->assertSame(-1, $arr[10]);
$arr []= MIN_UINT32_STRING;
$this->assertSame(MIN_UINT32, $arr[11]);
$this->assertEquals(12, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = 0;
$this->assertSame(0, $arr[$i]);
}
// Test set.
$arr [0]= MAX_UINT32;
$this->assertSame(-1, $arr[0]);
$arr [1]= -1;
$this->assertSame(-1, $arr[1]);
$arr [2]= MIN_UINT32;
$this->assertSame(MIN_UINT32, $arr[2]);
$arr [3]= 1.1;
$this->assertSame(1, $arr[3]);
$arr [4]= MAX_UINT32_FLOAT;
$this->assertSame(-1, $arr[4]);
$arr [5]= -1.0;
$this->assertSame(-1, $arr[5]);
$arr [6]= MIN_UINT32_FLOAT;
$this->assertSame(MIN_UINT32, $arr[6]);
$arr [7]= '2';
$this->assertSame(2, $arr[7]);
$arr [8]= '3.1';
$this->assertSame(3, $arr[8]);
$arr [9]= MAX_UINT32_STRING;
$this->assertSame(-1, $arr[9]);
$arr [10]= '-1.0';
$this->assertSame(-1, $arr[10]);
$arr [11]= MIN_UINT32_STRING;
$this->assertSame(MIN_UINT32, $arr[11]);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint32AppendStringFail()
{
$arr = new RepeatedField(GPBType::UINT32);
$arr []= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint32SetStringFail()
{
$arr = new RepeatedField(GPBType::UINT32);
$arr []= 0;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint32AppendMessageFail()
{
$arr = new RepeatedField(GPBType::UINT32);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint32SetMessageFail()
{
$arr = new RepeatedField(GPBType::UINT32);
$arr []= 0;
$arr [0]= new TestMessage_Sub();
}
#########################################################
# Test int64 field.
#########################################################
public function testInt64()
{
$arr = new RepeatedField(GPBType::INT64);
// Test append.
$arr []= MAX_INT64;
$arr []= MIN_INT64;
$arr []= 1.1;
$arr []= '2';
$arr []= '3.1';
$arr []= MAX_INT64_STRING;
$arr []= MIN_INT64_STRING;
if (PHP_INT_SIZE == 4) {
$this->assertSame(MAX_INT64, $arr[0]);
$this->assertSame(MIN_INT64, $arr[1]);
$this->assertSame('1', $arr[2]);
$this->assertSame('2', $arr[3]);
$this->assertSame('3', $arr[4]);
$this->assertSame(MAX_INT64_STRING, $arr[5]);
$this->assertSame(MIN_INT64_STRING, $arr[6]);
} else {
$this->assertSame(MAX_INT64, $arr[0]);
$this->assertSame(MIN_INT64, $arr[1]);
$this->assertSame(1, $arr[2]);
$this->assertSame(2, $arr[3]);
$this->assertSame(3, $arr[4]);
$this->assertSame(MAX_INT64, $arr[5]);
$this->assertSame(MIN_INT64, $arr[6]);
}
$this->assertEquals(7, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = 0;
if (PHP_INT_SIZE == 4) {
$this->assertSame('0', $arr[$i]);
} else {
$this->assertSame(0, $arr[$i]);
}
}
// Test set.
$arr [0]= MAX_INT64;
$arr [1]= MIN_INT64;
$arr [2]= 1.1;
$arr [3]= '2';
$arr [4]= '3.1';
$arr [5]= MAX_INT64_STRING;
$arr [6]= MIN_INT64_STRING;
if (PHP_INT_SIZE == 4) {
$this->assertSame(MAX_INT64_STRING, $arr[0]);
$this->assertSame(MIN_INT64_STRING, $arr[1]);
$this->assertSame('1', $arr[2]);
$this->assertSame('2', $arr[3]);
$this->assertSame('3', $arr[4]);
$this->assertSame(MAX_INT64_STRING, $arr[5]);
$this->assertEquals(MIN_INT64_STRING, $arr[6]);
} else {
$this->assertSame(MAX_INT64, $arr[0]);
$this->assertSame(MIN_INT64, $arr[1]);
$this->assertSame(1, $arr[2]);
$this->assertSame(2, $arr[3]);
$this->assertSame(3, $arr[4]);
$this->assertSame(MAX_INT64, $arr[5]);
$this->assertEquals(MIN_INT64, $arr[6]);
}
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt64AppendStringFail()
{
$arr = new RepeatedField(GPBType::INT64);
$arr []= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt64SetStringFail()
{
$arr = new RepeatedField(GPBType::INT64);
$arr []= 0;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt64AppendMessageFail()
{
$arr = new RepeatedField(GPBType::INT64);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testInt64SetMessageFail()
{
$arr = new RepeatedField(GPBType::INT64);
$arr []= 0;
$arr [0]= new TestMessage_Sub();
}
#########################################################
# Test uint64 field.
#########################################################
public function testUint64()
{
$arr = new RepeatedField(GPBType::UINT64);
// Test append.
$arr []= MAX_UINT64;
$arr []= 1.1;
$arr []= '2';
$arr []= '3.1';
$arr []= MAX_UINT64_STRING;
if (PHP_INT_SIZE == 4) {
$this->assertSame(MAX_UINT64_STRING, $arr[0]);
$this->assertSame('1', $arr[1]);
$this->assertSame('2', $arr[2]);
$this->assertSame('3', $arr[3]);
$this->assertSame(MAX_UINT64_STRING, $arr[4]);
} else {
$this->assertSame(MAX_UINT64, $arr[0]);
$this->assertSame(1, $arr[1]);
$this->assertSame(2, $arr[2]);
$this->assertSame(3, $arr[3]);
$this->assertSame(MAX_UINT64, $arr[4]);
$this->assertSame(5, count($arr));
}
$this->assertSame(5, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = 0;
if (PHP_INT_SIZE == 4) {
$this->assertSame('0', $arr[$i]);
} else {
$this->assertSame(0, $arr[$i]);
}
}
// Test set.
$arr [0]= MAX_UINT64;
$arr [1]= 1.1;
$arr [2]= '2';
$arr [3]= '3.1';
$arr [4]= MAX_UINT64_STRING;
if (PHP_INT_SIZE == 4) {
$this->assertSame(MAX_UINT64_STRING, $arr[0]);
$this->assertSame('1', $arr[1]);
$this->assertSame('2', $arr[2]);
$this->assertSame('3', $arr[3]);
$this->assertSame(MAX_UINT64_STRING, $arr[4]);
} else {
$this->assertSame(MAX_UINT64, $arr[0]);
$this->assertSame(1, $arr[1]);
$this->assertSame(2, $arr[2]);
$this->assertSame(3, $arr[3]);
$this->assertSame(MAX_UINT64, $arr[4]);
}
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint64AppendStringFail()
{
$arr = new RepeatedField(GPBType::UINT64);
$arr []= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint64SetStringFail()
{
$arr = new RepeatedField(GPBType::UINT64);
$arr []= 0;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint64AppendMessageFail()
{
$arr = new RepeatedField(GPBType::UINT64);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testUint64SetMessageFail()
{
$arr = new RepeatedField(GPBType::UINT64);
$arr []= 0;
$arr [0]= new TestMessage_Sub();
}
#########################################################
# Test float field.
#########################################################
public function testFloat()
{
$arr = new RepeatedField(GPBType::FLOAT);
// Test append.
$arr []= 1;
$this->assertEquals(1.0, $arr[0], '', MAX_FLOAT_DIFF);
$arr []= 1.1;
$this->assertEquals(1.1, $arr[1], '', MAX_FLOAT_DIFF);
$arr []= '2';
$this->assertEquals(2.0, $arr[2], '', MAX_FLOAT_DIFF);
$arr []= '3.1';
$this->assertEquals(3.1, $arr[3], '', MAX_FLOAT_DIFF);
$this->assertEquals(4, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = 0;
$this->assertSame(0.0, $arr[$i]);
}
// Test set.
$arr [0]= 1;
$this->assertEquals(1.0, $arr[0], '', MAX_FLOAT_DIFF);
$arr [1]= 1.1;
$this->assertEquals(1.1, $arr[1], '', MAX_FLOAT_DIFF);
$arr [2]= '2';
$this->assertEquals(2.0, $arr[2], '', MAX_FLOAT_DIFF);
$arr [3]= '3.1';
$this->assertEquals(3.1, $arr[3], '', MAX_FLOAT_DIFF);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testFloatAppendStringFail()
{
$arr = new RepeatedField(GPBType::FLOAT);
$arr []= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testFloatSetStringFail()
{
$arr = new RepeatedField(GPBType::FLOAT);
$arr []= 0.0;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testFloatAppendMessageFail()
{
$arr = new RepeatedField(GPBType::FLOAT);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testFloatSetMessageFail()
{
$arr = new RepeatedField(GPBType::FLOAT);
$arr []= 0.0;
$arr [0]= new TestMessage_Sub();
}
#########################################################
# Test double field.
#########################################################
public function testDouble()
{
$arr = new RepeatedField(GPBType::DOUBLE);
// Test append.
$arr []= 1;
$this->assertEquals(1.0, $arr[0], '', MAX_FLOAT_DIFF);
$arr []= 1.1;
$this->assertEquals(1.1, $arr[1], '', MAX_FLOAT_DIFF);
$arr []= '2';
$this->assertEquals(2.0, $arr[2], '', MAX_FLOAT_DIFF);
$arr []= '3.1';
$this->assertEquals(3.1, $arr[3], '', MAX_FLOAT_DIFF);
$this->assertEquals(4, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = 0;
$this->assertSame(0.0, $arr[$i]);
}
// Test set.
$arr [0]= 1;
$this->assertEquals(1.0, $arr[0], '', MAX_FLOAT_DIFF);
$arr [1]= 1.1;
$this->assertEquals(1.1, $arr[1], '', MAX_FLOAT_DIFF);
$arr [2]= '2';
$this->assertEquals(2.0, $arr[2], '', MAX_FLOAT_DIFF);
$arr [3]= '3.1';
$this->assertEquals(3.1, $arr[3], '', MAX_FLOAT_DIFF);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testDoubleAppendStringFail()
{
$arr = new RepeatedField(GPBType::DOUBLE);
$arr []= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testDoubleSetStringFail()
{
$arr = new RepeatedField(GPBType::DOUBLE);
$arr []= 0.0;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testDoubleAppendMessageFail()
{
$arr = new RepeatedField(GPBType::DOUBLE);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testDoubleSetMessageFail()
{
$arr = new RepeatedField(GPBType::DOUBLE);
$arr []= 0.0;
$arr [0]= new TestMessage_Sub();
}
#########################################################
# Test bool field.
#########################################################
public function testBool()
{
$arr = new RepeatedField(GPBType::BOOL);
// Test append.
$arr []= true;
$this->assertSame(true, $arr[0]);
$arr []= -1;
$this->assertSame(true, $arr[1]);
$arr []= 1.1;
$this->assertSame(true, $arr[2]);
$arr []= '';
$this->assertSame(false, $arr[3]);
$this->assertEquals(4, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = 0;
$this->assertSame(false, $arr[$i]);
}
// Test set.
$arr [0]= true;
$this->assertSame(true, $arr[0]);
$arr [1]= -1;
$this->assertSame(true, $arr[1]);
$arr [2]= 1.1;
$this->assertSame(true, $arr[2]);
$arr [3]= '';
$this->assertSame(false, $arr[3]);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testBoolAppendMessageFail()
{
$arr = new RepeatedField(GPBType::BOOL);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testBoolSetMessageFail()
{
$arr = new RepeatedField(GPBType::BOOL);
$arr []= true;
$arr [0]= new TestMessage_Sub();
}
#########################################################
# Test string field.
#########################################################
public function testString()
{
$arr = new RepeatedField(GPBType::STRING);
// Test append.
$arr []= 'abc';
$this->assertSame('abc', $arr[0]);
$arr []= 1;
$this->assertSame('1', $arr[1]);
$arr []= 1.1;
$this->assertSame('1.1', $arr[2]);
$arr []= true;
$this->assertSame('1', $arr[3]);
$this->assertEquals(4, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = '';
$this->assertSame('', $arr[$i]);
}
// Test set.
$arr [0]= 'abc';
$this->assertSame('abc', $arr[0]);
$arr [1]= 1;
$this->assertSame('1', $arr[1]);
$arr [2]= 1.1;
$this->assertSame('1.1', $arr[2]);
$arr [3]= true;
$this->assertSame('1', $arr[3]);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testStringAppendMessageFail()
{
$arr = new RepeatedField(GPBType::STRING);
$arr []= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testStringSetMessageFail()
{
$arr = new RepeatedField(GPBType::STRING);
$arr []= 'abc';
$arr [0]= new TestMessage_Sub();
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testStringAppendInvalidUTF8Fail()
{
$arr = new RepeatedField(GPBType::STRING);
$hex = hex2bin("ff");
$arr []= $hex;
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testStringSetInvalidUTF8Fail()
{
$arr = new RepeatedField(GPBType::STRING);
$arr []= 'abc';
$hex = hex2bin("ff");
$arr [0]= $hex;
}
#########################################################
# Test message field.
#########################################################
public function testMessage()
{
$arr = new RepeatedField(GPBType::MESSAGE, TestMessage_Sub::class);
// Test append.
$sub_m = new TestMessage_Sub();
$sub_m->setA(1);
$arr []= $sub_m;
$this->assertSame(1, $arr[0]->getA());
$null = null;
$arr []= $null;
$this->assertNull($arr[1]);
$this->assertEquals(2, count($arr));
for ($i = 0; $i < count($arr); $i++) {
$arr[$i] = $null;
$this->assertNull($arr[$i]);
}
// Test set.
$arr [0]= $sub_m;
$this->assertSame(1, $arr[0]->getA());
$arr [1]= $null;
$this->assertNull($arr[1]);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testMessageAppendIntFail()
{
$arr = new RepeatedField(GPBType::MESSAGE, TestMessage_Sub::class);
$arr []= 1;
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testMessageSetIntFail()
{
$arr = new RepeatedField(GPBType::MESSAGE, TestMessage_Sub::class);
$arr []= new TestMessage_Sub;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testMessageAppendStringFail()
{
$arr = new RepeatedField(GPBType::MESSAGE, TestMessage_Sub::class);
$arr []= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testMessageSetStringFail()
{
$arr = new RepeatedField(GPBType::MESSAGE, TestMessage_Sub::class);
$arr []= new TestMessage_Sub;
$arr [0]= 'abc';
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testMessageAppendOtherMessageFail()
{
$arr = new RepeatedField(GPBType::MESSAGE, TestMessage_Sub::class);
$arr []= new TestMessage;
}
#########################################################
# Test offset type
#########################################################
public function testOffset()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 0;
$arr [0]= 1;
$this->assertSame(1, $arr[0]);
$this->assertSame(1, count($arr));
$arr ['0']= 2;
$this->assertSame(2, $arr['0']);
$this->assertSame(2, $arr[0]);
$this->assertSame(1, count($arr));
$arr [0.0]= 3;
$this->assertSame(3, $arr[0.0]);
$this->assertSame(1, count($arr));
}
public function testInsertRemoval()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 0;
$arr []= 1;
$arr []= 2;
$this->assertSame(3, count($arr));
unset($arr[2]);
$this->assertSame(2, count($arr));
$this->assertSame(0, $arr[0]);
$this->assertSame(1, $arr[1]);
$arr [] = 3;
$this->assertSame(3, count($arr));
$this->assertSame(0, $arr[0]);
$this->assertSame(1, $arr[1]);
$this->assertSame(3, $arr[2]);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testRemoveMiddleFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 0;
$arr []= 1;
$arr []= 2;
$this->assertSame(3, count($arr));
unset($arr[1]);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testRemoveEmptyFail()
{
$arr = new RepeatedField(GPBType::INT32);
unset($arr[0]);
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testMessageOffsetFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 0;
$arr [new TestMessage_Sub()]= 0;
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testStringOffsetFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr []= 0;
$arr ['abc']= 0;
}
/**
* @expectedException PHPUnit_Framework_Error
*/
public function testSetNonExistedOffsetFail()
{
$arr = new RepeatedField(GPBType::INT32);
$arr [0]= 0;
}
#########################################################
# Test memory leak
#########################################################
public function testCycleLeak()
{
$arr = new RepeatedField(GPBType::MESSAGE, TestMessage::class);
$arr []= new TestMessage;
$arr[0]->SetRepeatedRecursive($arr);
// Clean up memory before test.
gc_collect_cycles();
$start = memory_get_usage();
unset($arr);
// Explicitly trigger garbage collection.
gc_collect_cycles();
$end = memory_get_usage();
$this->assertLessThan($start, $end);
}
}