Added tests

src/main/kotlin/net/igsoft/typeutils/generator/IntGenerator.kt

@@ -5,7 +5,5 @@ import java.util.concurrent.atomic.AtomicInteger
 class IntGenerator(sequenceStart: Int = Int.MIN_VALUE) : Generator<Int> {
     private val counter = AtomicInteger(sequenceStart)
 
-    override fun next(): Int =
-        counter.getAndIncrement()
-
+    override fun next(): Int = counter.getAndIncrement()
 }

src/test/kotlin/net/igsoft/typeutils/generator/IntGeneratorTest.kt

@@ -0,0 +1,31 @@
+package net.igsoft.typeutils.generator
+
+import assertk.assertThat
+import assertk.assertions.isEqualTo
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class IntGeneratorTest {
+    private lateinit var intGenerator: IntGenerator
+
+    @BeforeEach
+    fun setUp() {
+        intGenerator = IntGenerator()
+    }
+
+    @Test
+    fun `Assert that initial value in IntGenerator can be set`() {
+        assertThat(IntGenerator(15).next()).isEqualTo(15)
+    }
+
+    @Test
+    fun `Assert that next is generating consecutive numbers`() {
+        var last = intGenerator.next()
+
+        (0..100).forEach {
+            val current = intGenerator.next()
+            assertThat(current - last).isEqualTo(1)
+            last = current
+        }
+    }
+}

src/test/kotlin/net/igsoft/typeutils/marker/DefaultTypedMarkerTest.kt

@@ -17,7 +17,7 @@ class DefaultTypedMarkerTest {
 
     @Test
     fun `Assert that TypedMarker can be created manually`() {
-        assertThat(DefaultTypedMarker.create(String::class.java, "s1")).apply {
+        assertThat(DefaultTypedMarker(String::class.java, "s1")).apply {
             prop(DefaultTypedMarker<String>::clazz).isEqualTo(String::class.java)
             prop(DefaultTypedMarker<String>::id).isEqualTo("s1")
         }