/** * Test diffing sets */ public function testSdiff() { $this->redis->del('testSdiff1'); $this->redis->del('testSdiff2'); $this->redis->sadd('testSdiff1', 'a'); $this->redis->sadd('testSdiff1', 'b'); $this->redis->sadd('testSdiff1', 'c'); $this->redis->sadd('testSdiff2', 'b'); $this->redis->sadd('testSdiff2', 'c'); $this->redis->sadd('testSdiff2', 'd'); $diff = $this->redis->sdiff(array('testSdiff1', 'testSdiff2')); $this->assertContains('a', $diff); $this->assertEquals(1, count($diff)); }