assertEquals(User::validateUsername('flashwave'), ''); $this->assertEquals(User::validateUsername(' flash '), 'trim'); $this->assertEquals(User::validateUsername('f'), 'short'); $this->assertEquals(User::validateUsername('flaaaaaaaaaaaaaaaash'), 'long'); $this->assertEquals(User::validateUsername('F|@$h'), 'invalid'); $this->assertEquals(User::validateUsername('fl ash_wave'), 'spacing'); $this->assertEquals(User::validateUsername('fl ash'), 'double-spaces'); } }