Porting test

from FasterXML/jackson-module-kotlin#978

Author: k163377

src/test/kotlin/io/github/projectmapk/jackson/module/kogera/zPorted/test/github/GitHub976.kt

@@ -0,0 +1,21 @@
+package io.github.projectmapk.jackson.module.kogera.zPorted.test.github
+
+import com.fasterxml.jackson.databind.exc.InvalidNullException
+import io.github.projectmapk.jackson.module.kogera.KotlinFeature
+import io.github.projectmapk.jackson.module.kogera.jacksonObjectMapper
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.assertThrows
+
+class GitHub976 {
+    data class PrimitiveList(val list: List<Int>)
+
+    @Test
+    fun strictNullChecks() {
+        val om = jacksonObjectMapper {
+            enable(KotlinFeature.StrictNullChecks)
+        }
+        assertThrows<InvalidNullException> {
+            om.readValue("""{"list": [""] }""", PrimitiveList::class.java)
+        }
+    }
+}