diff --git a/backend.native/tests/build.gradle b/backend.native/tests/build.gradle
index 4575e54e8cc..c9bcc050469 100644
--- a/backend.native/tests/build.gradle
+++ b/backend.native/tests/build.gradle
@@ -769,7 +769,6 @@ task initializers4(type: RunKonanTest) {
 }
 
 task expression_as_statement(type: RunKonanTest) {
-    disabled = true
     goldValue = "Ok\n"
     source = "codegen/basics/expression_as_statement.kt"
 }
@@ -792,4 +791,24 @@ task memory_var3(type: RunKonanTest) {
 task memory_var4(type: RunKonanTest) {
     disabled = true
     source = "runtime/memory/var4.kt"
+}
+
+task unit1(type: RunKonanTest) {
+    goldValue = "First\nkotlin.Unit\n"
+    source = "codegen/basics/unit1.kt"
+}
+
+task unit2(type: RunKonanTest) {
+    goldValue = "kotlin.Unit\n"
+    source = "codegen/basics/unit2.kt"
+}
+
+task unit3(type: RunKonanTest) {
+    goldValue = "kotlin.Unit\n"
+    source = "codegen/basics/unit3.kt"
+}
+
+task unit4(type: RunKonanTest) {
+    goldValue = "Done\n"
+    source = "codegen/basics/unit4.kt"
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/basics/unit1.kt b/backend.native/tests/codegen/basics/unit1.kt
new file mode 100644
index 00000000000..689c239a79a
--- /dev/null
+++ b/backend.native/tests/codegen/basics/unit1.kt
@@ -0,0 +1,3 @@
+fun main(args: Array<String>) {
+    println(println("First").toString())
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/basics/unit2.kt b/backend.native/tests/codegen/basics/unit2.kt
new file mode 100644
index 00000000000..67f7efaabde
--- /dev/null
+++ b/backend.native/tests/codegen/basics/unit2.kt
@@ -0,0 +1,8 @@
+fun main(args: Array<String>) {
+    val x = foo()
+    println(x.toString())
+}
+
+fun foo() {
+    return Unit
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/basics/unit3.kt b/backend.native/tests/codegen/basics/unit3.kt
new file mode 100644
index 00000000000..5a2a673a50c
--- /dev/null
+++ b/backend.native/tests/codegen/basics/unit3.kt
@@ -0,0 +1,7 @@
+fun main(args: Array<String>) {
+    foo(Unit)
+}
+
+fun foo(x: Any) {
+    println(x.toString())
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/basics/unit4.kt b/backend.native/tests/codegen/basics/unit4.kt
new file mode 100644
index 00000000000..6ca7f6ee4e8
--- /dev/null
+++ b/backend.native/tests/codegen/basics/unit4.kt
@@ -0,0 +1,37 @@
+fun main(args: Array<String>) {
+    for (x in 0 .. 8) {
+        foo(x, Unit)
+    }
+    println("Done")
+}
+
+var global = 42
+
+fun foo(x: Int, unit: Unit) {
+    var local = 5
+    val y: Unit = when (x) {
+        0 -> {}
+        1 -> local = 6
+        2 -> global = 43
+        3 -> unit
+        4 -> Unit
+        5 -> bar()
+        6 -> return
+        7 -> {
+            5
+            bar()
+        }
+        8 -> {
+            val z: Any = Unit
+            z as Unit
+        }
+        else -> throw Error()
+    }
+
+    if (y !== Unit) {
+        println("Fail at x = $x")
+    }
+}
+
+fun bar() {
+}
\ No newline at end of file