function testNoUnderscore() { $r = new Rule_ProjectName(); $this->assertFalse($r->isDNSCompliant("group_test")); $this->assertFalse($r->isDNSCompliant("_grouptest")); $this->assertFalse($r->isDNSCompliant("grouptest_")); $this->assertFalse($r->isDNSCompliant("group_test_1")); }