--- /dev/null
+<?php
+
+namespace Friendica\Test\src\Core\Cache;
+
+use Friendica\Core\Cache\IMemoryCacheDriver;
+
+abstract class MemoryCacheTest extends CacheTest
+{
+ /**
+ * @var \Friendica\Core\Cache\IMemoryCacheDriver
+ */
+ protected $instance;
+
+ function setUp()
+ {
+ parent::setUp();
+ if (!($this->instance instanceof IMemoryCacheDriver)) {
+ throw new \Exception('MemoryCacheTest unsupported');
+ }
+ }
+
+ function testCompareSet() {
+ $this->assertNull($this->instance->get('value1'));
+
+ $value='foobar';
+ $this->instance->add('value1', $value);
+ $received=$this->instance->get('value1');
+ $this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+ $newValue='ipsum lorum';
+ $this->instance->compareSet('value1', $value, $newValue);
+ $received=$this->instance->get('value1');
+ $this->assertEquals($newValue, $received, 'Value not overwritten by compareSet');
+ }
+
+ function testNegativeCompareSet() {
+ $this->assertNull($this->instance->get('value1'));
+
+ $value='foobar';
+ $this->instance->add('value1', $value);
+ $received=$this->instance->get('value1');
+ $this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+ $newValue='ipsum lorum';
+ $this->instance->compareSet('value1', 'wrong', $newValue);
+ $received=$this->instance->get('value1');
+ $this->assertNotEquals($newValue, $received, 'Value was wrongly overwritten by compareSet');
+ $this->assertEquals($value, $received, 'Value was wrongly overwritten by any other value');
+ }
+
+ function testCompareDelete() {
+ $this->assertNull($this->instance->get('value1'));
+
+ $value='foobar';
+ $this->instance->add('value1', $value);
+ $received=$this->instance->get('value1');
+ $this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+ $this->instance->compareDelete('value1', $value);
+ $this->assertNull($this->instance->get('value1'), 'Value was not deleted by compareDelete');
+ }
+
+ function testNegativeCompareDelete() {
+ $this->assertNull($this->instance->get('value1'));
+
+ $value='foobar';
+ $this->instance->add('value1', $value);
+ $received=$this->instance->get('value1');
+ $this->assertEquals($value, $received, 'Value received from cache not equal to the original');
+ $this->instance->compareDelete('value1', 'wrong');
+ $this->assertNotNull($this->instance->get('value1'), 'Value was wrongly compareDeleted');
+
+ $this->instance->compareDelete('value1', $value);
+ $this->assertNull($this->instance->get('value1'), 'Value was wrongly NOT deleted by compareDelete');
+ }
+
+ function testAdd() {
+ $this->assertNull($this->instance->get('value1'));
+
+ $value='foobar';
+ $this->instance->add('value1', $value);
+
+ $newValue='ipsum lorum';
+ $this->instance->add('value1', $newValue);
+ $received=$this->instance->get('value1');
+ $this->assertNotEquals($newValue, $received, 'Value was wrongly overwritten by add');
+ $this->assertEquals($value, $received, 'Value was wrongly overwritten by any other value');
+
+ $this->instance->delete('value1');
+ $this->instance->add('value1', $newValue);
+ $received=$this->instance->get('value1');
+ $this->assertEquals($newValue, $received, 'Value was not overwritten by add');
+ $this->assertNotEquals($value, $received, 'Value was not overwritten by any other value');
+ }
+}
\ No newline at end of file