fix of #34 and upfix for #27

src/commonTest/kotlin/dev/inmo/krontab/utils/InfinityLoopCheckTest.kt

@@ -1,14 +1,22 @@
 package dev.inmo.krontab.utils
 
+import com.soywiz.klock.DateTime
+import com.soywiz.klock.days
 import dev.inmo.krontab.buildSchedule
-import kotlin.test.Test
-import kotlin.test.assertNotNull
+import kotlin.test.*
 
 class InfinityLoopCheckTest {
     @Test
     fun absenceOfInfinityLoopCheckTest() {
-        runTest {
-            assertNotNull(buildSchedule("0 0 0 1 *").next())
+        val now = DateTime.now().startOfYear.startOfDay
+        for (i in 0 until now.year.days) {
+            val scheduleDateTime = (now + i.days)
+            runTest {
+                assertEquals(
+                    scheduleDateTime,
+                    buildSchedule("0 0 0 ${scheduleDateTime.dayOfMonth - 1} ${scheduleDateTime.month0}").next(now)
+                )
+            }
         }
     }
 }