From 3fe59cc46c516627b7b205edd37d34dce2c4890b Mon Sep 17 00:00:00 2001
From: Vasily Levchenko <vasily.v.levchenko@gmail.com>
Date: Tue, 27 Dec 2016 13:02:00 +0300
Subject: [PATCH] TEST: convertion unit tests into run tests

---
 backend.native/tests/build.gradle             | 88 +++++++------------
 .../tests/codegen/basics/cast_simple-test.c   | 10 ---
 .../tests/codegen/basics/cast_simple.kt       |  4 +
 .../codegen/basics/local_variable-test.c      | 10 ---
 .../tests/codegen/basics/local_variable.kt    |  4 +
 .../tests/codegen/basics/null_check-test.c    | 19 ----
 .../tests/codegen/basics/null_check.kt        |  7 ++
 .../codegen/branching/advanced_when2-test.c   | 10 ---
 .../tests/codegen/branching/advanced_when2.kt |  3 +
 .../codegen/branching/advanced_when5-test.c   | 10 ---
 .../tests/codegen/branching/advanced_when5.kt |  4 +
 .../tests/codegen/branching/if_else-test.c    | 10 ---
 .../tests/codegen/branching/if_else.kt        |  4 +
 .../tests/codegen/branching/when2-test.c      | 10 ---
 .../tests/codegen/branching/when2.kt          |  4 +
 .../tests/codegen/branching/when5-test.c      | 10 ---
 .../tests/codegen/branching/when5.kt          |  4 +
 .../codegen/branching/when_through-test.c     | 10 ---
 .../tests/codegen/branching/when_through.kt   |  4 +
 .../tests/codegen/cycles/cycle-test.c         | 11 ---
 backend.native/tests/codegen/cycles/cycle.kt  |  5 ++
 .../tests/codegen/cycles/cycle_do-test.c      | 11 ---
 .../tests/codegen/cycles/cycle_do.kt          |  5 ++
 .../tests/codegen/function/arithmetic-test.c  | 17 ----
 .../tests/codegen/function/arithmetic.kt      | 10 ++-
 .../tests/codegen/function/boolean-test.c     | 10 ---
 .../tests/codegen/function/boolean.kt         |  4 +
 .../tests/codegen/function/eqeq-test.c        | 54 ------------
 backend.native/tests/codegen/function/eqeq.kt | 27 +++++-
 .../tests/codegen/function/intrinsic-test.c   | 10 ---
 .../tests/codegen/function/intrinsic.kt       |  4 +
 .../tests/codegen/function/minus_eq-test.c    | 10 ---
 .../tests/codegen/function/minus_eq.kt        |  4 +
 .../tests/codegen/function/plus_eq-test.c     | 10 ---
 .../tests/codegen/function/plus_eq.kt         |  4 +
 .../tests/codegen/function/sum-test.c         | 22 -----
 backend.native/tests/codegen/function/sum.kt  | 12 ++-
 .../tests/codegen/function/sum_3const-test.c  | 10 ---
 .../tests/codegen/function/sum_3const.kt      |  4 +
 .../tests/codegen/function/sum_foo_bar-test.c | 10 ---
 .../tests/codegen/function/sum_foo_bar.kt     |  6 +-
 .../tests/codegen/function/sum_imm-test.c     | 10 ---
 .../tests/codegen/function/sum_imm.kt         |  6 +-
 backend.native/tests/codegen/klass/basic.kt   |  3 -
 .../tests/codegen/object/fields-test.c        | 12 ---
 backend.native/tests/codegen/object/fields.kt |  7 ++
 .../tests/codegen/object/fields1-test.c       | 12 ---
 .../tests/codegen/object/fields1.kt           |  7 +-
 .../codegen/object/initialization-test.c      | 10 ---
 .../tests/codegen/object/initialization.kt    |  4 +
 .../tests/codegen/object/method_call-test.c   |  9 --
 .../tests/codegen/object/method_call.kt       |  6 +-
 .../tests/datagen/rtti/abstract_super-test.c  |  9 --
 .../tests/datagen/rtti/abstract_super.kt      |  5 ++
 .../tests/datagen/rtti/vtable1-test.c         |  9 --
 backend.native/tests/datagen/rtti/vtable1.kt  |  5 ++
 56 files changed, 188 insertions(+), 411 deletions(-)
 delete mode 100644 backend.native/tests/codegen/basics/cast_simple-test.c
 delete mode 100644 backend.native/tests/codegen/basics/local_variable-test.c
 delete mode 100644 backend.native/tests/codegen/basics/null_check-test.c
 delete mode 100644 backend.native/tests/codegen/branching/advanced_when2-test.c
 delete mode 100644 backend.native/tests/codegen/branching/advanced_when5-test.c
 delete mode 100644 backend.native/tests/codegen/branching/if_else-test.c
 delete mode 100644 backend.native/tests/codegen/branching/when2-test.c
 delete mode 100644 backend.native/tests/codegen/branching/when5-test.c
 delete mode 100644 backend.native/tests/codegen/branching/when_through-test.c
 delete mode 100644 backend.native/tests/codegen/cycles/cycle-test.c
 delete mode 100644 backend.native/tests/codegen/cycles/cycle_do-test.c
 delete mode 100644 backend.native/tests/codegen/function/arithmetic-test.c
 delete mode 100644 backend.native/tests/codegen/function/boolean-test.c
 delete mode 100644 backend.native/tests/codegen/function/eqeq-test.c
 delete mode 100644 backend.native/tests/codegen/function/intrinsic-test.c
 delete mode 100644 backend.native/tests/codegen/function/minus_eq-test.c
 delete mode 100644 backend.native/tests/codegen/function/plus_eq-test.c
 delete mode 100644 backend.native/tests/codegen/function/sum-test.c
 delete mode 100644 backend.native/tests/codegen/function/sum_3const-test.c
 delete mode 100644 backend.native/tests/codegen/function/sum_foo_bar-test.c
 delete mode 100644 backend.native/tests/codegen/function/sum_imm-test.c
 delete mode 100644 backend.native/tests/codegen/klass/basic.kt
 delete mode 100644 backend.native/tests/codegen/object/fields-test.c
 delete mode 100644 backend.native/tests/codegen/object/fields1-test.c
 delete mode 100644 backend.native/tests/codegen/object/initialization-test.c
 delete mode 100644 backend.native/tests/codegen/object/method_call-test.c
 delete mode 100644 backend.native/tests/datagen/rtti/abstract_super-test.c
 delete mode 100644 backend.native/tests/datagen/rtti/vtable1-test.c

diff --git a/backend.native/tests/build.gradle b/backend.native/tests/build.gradle
index 6d2d7174d0c..f3ae8dc573c 100644
--- a/backend.native/tests/build.gradle
+++ b/backend.native/tests/build.gradle
@@ -108,26 +108,6 @@ abstract class KonanTest extends DefaultTask {
     }
 }
 
-// Please do not use this framework anymore!
-class UnitKonanTest extends KonanTest {
-    void compileTest(File sourceS, File runtimeS, File stdlibKtBc, File exe) {
-        def testC = sourceS.absolutePath.replace(".kt.S", "-test.c")
-        project.execClang {
-            executable "clang"
-            def argList = []
-            argList.addAll([ runtimeS.absolutePath, stdlibKtBc.absolutePath, sourceS.absolutePath,
-                    "-o", exe.absolutePath, testC, mainC ])
-            argList.addAll(clangLinkArgs())
-            args argList
-        }
-    }
-
-    @TaskAction
-    void executeTest() {
-        // Do nothing, unit tests go away.
-    }
-}
-
 class RunKonanTest extends KonanTest {
     void compileTest(File sourceS, File runtimeS, File libraryPath, File exe) {
         project.execClang {
@@ -216,36 +196,32 @@ task run() {
     dependsOn(tasks.withType(KonanTest).matching { it.enabled })
 }
 
-task sum (type:UnitKonanTest) {
+task sum (type:RunKonanTest) {
     source = "codegen/function/sum.kt"
 }
 
-task method_call(type: UnitKonanTest) {
+task method_call(type: RunKonanTest) {
     source = "codegen/object/method_call.kt"
 }
 
-task fields(type: UnitKonanTest) {
+task fields(type: RunKonanTest) {
     source = "codegen/object/fields.kt"
 }
 
 
-task fields1(type: UnitKonanTest) {
+task fields1(type: RunKonanTest) {
     source = "codegen/object/fields1.kt"
 }
+// This test checks object layout can't be done in
+// RunKonanTest paradigm
+//task constructor(type: UnitKonanTest) {
+//    source = "codegen/object/constructor.kt"
+//}
 
-task constructor(type: UnitKonanTest) {
-    source = "codegen/object/constructor.kt"
-}
-
-task objectInitialization(type: UnitKonanTest) {
+task objectInitialization(type: RunKonanTest) {
     source = "codegen/object/initialization.kt"
 }
 
-task objectBasic(type: UnitKonanTest) {
-    disabled = true
-    source = "codegen/klass/basic.kt"
-}
-
 task check_type(type: RunKonanTest) {
     goldValue = "true\nfalse\ntrue\ntrue\ntrue\ntrue\n"
     source = "codegen/basics/check_type.kt"
@@ -257,24 +233,24 @@ task safe_cast(type: RunKonanTest) {
     source = "codegen/basics/safe_cast.kt"
 }
 
-task aritmetic(type: UnitKonanTest) {
+task aritmetic(type: RunKonanTest) {
     source = "codegen/function/arithmetic.kt"
 }
 
-task sum1(type: UnitKonanTest) {
+task sum1(type: RunKonanTest) {
     source = "codegen/function/sum_foo_bar.kt"
 
 }
 
-task sum2(type: UnitKonanTest) {
+task sum2(type: RunKonanTest) {
     source = "codegen/function/sum_imm.kt"
 }
 
-task sum_3const(type: UnitKonanTest) {
+task sum_3const(type: RunKonanTest) {
     source = "codegen/function/sum_3const.kt"
 }
 
-task local_variable(type: UnitKonanTest) {
+task local_variable(type: RunKonanTest) {
     source = "codegen/basics/local_variable.kt"
 }
 
@@ -283,11 +259,11 @@ task canonical_name(type: RunKonanTest) {
     source = "codegen/basics/canonical_name.kt"
 }
 
-task cast_simple(type: UnitKonanTest) {
+task cast_simple(type: RunKonanTest) {
     source = "codegen/basics/cast_simple.kt"
 }
 
-task null_check(type: UnitKonanTest) {
+task null_check(type: RunKonanTest) {
     source = "codegen/basics/null_check.kt"
 }
 
@@ -364,59 +340,59 @@ task array1(type: RunKonanTest) {
     source = "runtime/collections/array1.kt"
 }
 
-task if_else(type: UnitKonanTest) {
+task if_else(type: RunKonanTest) {
     source = "codegen/branching/if_else.kt"
 }
 
-task when2(type: UnitKonanTest) {
+task when2(type: RunKonanTest) {
     source = "codegen/branching/when2.kt"
 }
 
-task when5(type: UnitKonanTest) {
+task when5(type: RunKonanTest) {
     source = "codegen/branching/when5.kt"
 }
 
-task when_through(type: UnitKonanTest) {
+task when_through(type: RunKonanTest) {
     source = "codegen/branching/when_through.kt"
 }
 
-task advanced_when2(type: UnitKonanTest) {
+task advanced_when2(type: RunKonanTest) {
     source = "codegen/branching/advanced_when2.kt"
 }
 
-task advanced_when5(type: UnitKonanTest) {
+task advanced_when5(type: RunKonanTest) {
     source = "codegen/branching/advanced_when5.kt"
 }
 
-task bool_yes(type: UnitKonanTest) {
+task bool_yes(type: RunKonanTest) {
     source = "codegen/function/boolean.kt"
 }
 
-task plus_eq(type: UnitKonanTest) {
+task plus_eq(type: RunKonanTest) {
     source = "codegen/function/plus_eq.kt"
 }
 
-task minus_eq(type: UnitKonanTest) {
+task minus_eq(type: RunKonanTest) {
     source = "codegen/function/minus_eq.kt"
 }
 
-task eqeq(type: UnitKonanTest) {
+task eqeq(type: RunKonanTest) {
     source = "codegen/function/eqeq.kt"
 }
 
-task cycle(type: UnitKonanTest) {
+task cycle(type: RunKonanTest) {
     source = "codegen/cycles/cycle.kt"
 }
 
-task cycle_do(type: UnitKonanTest) {
+task cycle_do(type: RunKonanTest) {
     source = "codegen/cycles/cycle_do.kt"
 }
 
-task abstract_super(type: UnitKonanTest) {
+task abstract_super(type: RunKonanTest) {
     source = "datagen/rtti/abstract_super.kt"
 }
 
-task vtable1(type: UnitKonanTest) {
+task vtable1(type: RunKonanTest) {
     source = "datagen/rtti/vtable1.kt"
 }
 
@@ -439,7 +415,7 @@ task empty_string(type: RunKonanTest) {
     source = "datagen/literals/empty_string.kt"
 }
 
-task intrinsic(type: UnitKonanTest) {
+task intrinsic(type: RunKonanTest) {
     source = "codegen/function/intrinsic.kt"
 }
 /*
diff --git a/backend.native/tests/codegen/basics/cast_simple-test.c b/backend.native/tests/codegen/basics/cast_simple-test.c
deleted file mode 100644
index c32cd57e670..00000000000
--- a/backend.native/tests/codegen/basics/cast_simple-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*castTest)() = resolve_symbol("kfun:castTest()");
-
-  if (!castTest()) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/basics/cast_simple.kt b/backend.native/tests/codegen/basics/cast_simple.kt
index 2ae6c1e2c5c..defae46bf8f 100644
--- a/backend.native/tests/codegen/basics/cast_simple.kt
+++ b/backend.native/tests/codegen/basics/cast_simple.kt
@@ -8,3 +8,7 @@ fun castTest(): Boolean {
   castSimple(b)
   return true
 }
+
+fun main(args: Array<String>) {
+  if (!castTest()) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/basics/local_variable-test.c b/backend.native/tests/codegen/basics/local_variable-test.c
deleted file mode 100644
index 6cb559a16e3..00000000000
--- a/backend.native/tests/codegen/basics/local_variable-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*local_variable)(int) = resolve_symbol("kfun:local_variable(Int)");
-
-  if (local_variable(3) != 14) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/basics/local_variable.kt b/backend.native/tests/codegen/basics/local_variable.kt
index dcdb109be7a..b40e97d2026 100644
--- a/backend.native/tests/codegen/basics/local_variable.kt
+++ b/backend.native/tests/codegen/basics/local_variable.kt
@@ -2,4 +2,8 @@ fun local_variable(a: Int) : Int {
   var b = 0
   b = a + 11
   return b
+}
+
+fun main(args: Array<String>) {
+  if (local_variable(3) != 14) throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/basics/null_check-test.c b/backend.native/tests/codegen/basics/null_check-test.c
deleted file mode 100644
index c230eb3f44e..00000000000
--- a/backend.native/tests/codegen/basics/null_check-test.c
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  uint8_t (*null_check_eqeq1  )() = resolve_symbol("kfun:null_check_eqeq1()");
-  uint8_t (*null_check_eqeq2  )() = resolve_symbol("kfun:null_check_eqeq2()");
-  uint8_t (*null_check_eqeqeq1)() = resolve_symbol("kfun:null_check_eqeqeq1()");
-  uint8_t (*null_check_eqeqeq2)() = resolve_symbol("kfun:null_check_eqeqeq2()");
-
-  if (null_check_eqeq1())    return 1;
-  if (!null_check_eqeq2())   return 1;
-  if (null_check_eqeqeq1())  return 1;
-  if (!null_check_eqeqeq2()) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/basics/null_check.kt b/backend.native/tests/codegen/basics/null_check.kt
index a56abc9b97d..e393bfc391b 100644
--- a/backend.native/tests/codegen/basics/null_check.kt
+++ b/backend.native/tests/codegen/basics/null_check.kt
@@ -21,3 +21,10 @@ fun null_check_eqeqeq1() : Boolean {
 fun null_check_eqeqeq2() : Boolean {
   return check_eqeqeq(null)
 }
+
+fun main(args: Array<String>) {
+  if (null_check_eqeq1())    throw Error()
+  if (!null_check_eqeq2())   throw Error()
+  if (null_check_eqeqeq1())  throw Error()
+  if (!null_check_eqeqeq2()) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/branching/advanced_when2-test.c b/backend.native/tests/codegen/branching/advanced_when2-test.c
deleted file mode 100644
index 3a89a450baa..00000000000
--- a/backend.native/tests/codegen/branching/advanced_when2-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*advanced_when2)(int) = resolve_symbol("kfun:advanced_when2(Int)");
-
-  if (advanced_when2(10) != 42) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/branching/advanced_when2.kt b/backend.native/tests/codegen/branching/advanced_when2.kt
index bd64107b2d9..5074f16d72d 100644
--- a/backend.native/tests/codegen/branching/advanced_when2.kt
+++ b/backend.native/tests/codegen/branching/advanced_when2.kt
@@ -9,3 +9,6 @@ fun advanced_when2(i: Int): Int {
   return value
 }
 
+fun main(args: Array<String>) {
+  if (advanced_when2(10) != 42) throw Error()
+}
diff --git a/backend.native/tests/codegen/branching/advanced_when5-test.c b/backend.native/tests/codegen/branching/advanced_when5-test.c
deleted file mode 100644
index daa08c84954..00000000000
--- a/backend.native/tests/codegen/branching/advanced_when5-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*advanced_when5)(int) = resolve_symbol("kfun:advanced_when5(Int)");
-
-  if (advanced_when5(5) != 24) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/branching/advanced_when5.kt b/backend.native/tests/codegen/branching/advanced_when5.kt
index 4dafca1c801..224430f75b4 100644
--- a/backend.native/tests/codegen/branching/advanced_when5.kt
+++ b/backend.native/tests/codegen/branching/advanced_when5.kt
@@ -7,4 +7,8 @@ fun advanced_when5(i: Int): Int {
     4 -> { val v = 42; return v}
     else -> return 24
   }
+}
+
+fun main(args: Array<String>) {
+  if (advanced_when5(5) != 24) throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/branching/if_else-test.c b/backend.native/tests/codegen/branching/if_else-test.c
deleted file mode 100644
index aa3ecfb5e8f..00000000000
--- a/backend.native/tests/codegen/branching/if_else-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*if_else)(int) = resolve_symbol("kfun:if_else(Boolean)");
-
-  if (if_else(0) != 24) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/branching/if_else.kt b/backend.native/tests/codegen/branching/if_else.kt
index 81cbcaad2fc..216f4dd6305 100644
--- a/backend.native/tests/codegen/branching/if_else.kt
+++ b/backend.native/tests/codegen/branching/if_else.kt
@@ -1,4 +1,8 @@
 fun if_else(b: Boolean): Int {
   if (b) return 42
   else   return 24
+}
+
+fun main(args: Array<String>) {
+  if (if_else(false) != 24) throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/branching/when2-test.c b/backend.native/tests/codegen/branching/when2-test.c
deleted file mode 100644
index e0d823b3cd4..00000000000
--- a/backend.native/tests/codegen/branching/when2-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*when2)(int) = resolve_symbol("kfun:when2(Int)");
-
-  if (when2(0) != 42) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/branching/when2.kt b/backend.native/tests/codegen/branching/when2.kt
index e91720443ad..e641f7a6aa3 100644
--- a/backend.native/tests/codegen/branching/when2.kt
+++ b/backend.native/tests/codegen/branching/when2.kt
@@ -3,4 +3,8 @@ fun when2(i: Int): Int {
     0 -> return 42
     else -> return 24
   }
+}
+
+fun main(args: Array<String>) {
+  if (when2(0) != 42) throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/branching/when5-test.c b/backend.native/tests/codegen/branching/when5-test.c
deleted file mode 100644
index baf557a4eaf..00000000000
--- a/backend.native/tests/codegen/branching/when5-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*when5)(int) = resolve_symbol("kfun:when5(Int)");
-
-  if (when5(2) != 3) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/branching/when5.kt b/backend.native/tests/codegen/branching/when5.kt
index 38f4897a7f4..a311e99e41b 100644
--- a/backend.native/tests/codegen/branching/when5.kt
+++ b/backend.native/tests/codegen/branching/when5.kt
@@ -7,4 +7,8 @@ fun when5(i: Int): Int {
     4 -> return 1
     else -> return 24
   }
+}
+
+fun main(args: Array<String>) {
+  if (when5(2) != 3) throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/branching/when_through-test.c b/backend.native/tests/codegen/branching/when_through-test.c
deleted file mode 100644
index 3aca0410ab3..00000000000
--- a/backend.native/tests/codegen/branching/when_through-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*when_through)(int) = resolve_symbol("kfun:when_through(Int)");
-
-  if (when_through(2) != 1) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/branching/when_through.kt b/backend.native/tests/codegen/branching/when_through.kt
index e4f6d3ff467..5b071074177 100644
--- a/backend.native/tests/codegen/branching/when_through.kt
+++ b/backend.native/tests/codegen/branching/when_through.kt
@@ -8,3 +8,7 @@ fun when_through(i: Int): Int {
 
   return value
 }
+
+fun main(args: Array<String>) {
+  if (when_through(2) != 1) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/cycles/cycle-test.c b/backend.native/tests/codegen/cycles/cycle-test.c
deleted file mode 100644
index 84c4ca889b6..00000000000
--- a/backend.native/tests/codegen/cycles/cycle-test.c
+++ /dev/null
@@ -1,11 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*cycle)(int) = resolve_symbol("kfun:cycle(Int)");
-
-  if (cycle(1) != 2) return 1;
-  if (cycle(0) != 1) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/cycles/cycle.kt b/backend.native/tests/codegen/cycles/cycle.kt
index cfb85846551..86193c99986 100644
--- a/backend.native/tests/codegen/cycles/cycle.kt
+++ b/backend.native/tests/codegen/cycles/cycle.kt
@@ -5,3 +5,8 @@ fun cycle(cnt: Int): Int {
   }
   return sum
 }
+
+fun main(args: Array<String>) {
+  if (cycle(1) != 2) throw Error()
+  if (cycle(0) != 1) throw Error()
+}
diff --git a/backend.native/tests/codegen/cycles/cycle_do-test.c b/backend.native/tests/codegen/cycles/cycle_do-test.c
deleted file mode 100644
index e7c64255106..00000000000
--- a/backend.native/tests/codegen/cycles/cycle_do-test.c
+++ /dev/null
@@ -1,11 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*cycle_do)(int) = resolve_symbol("kfun:cycle_do(Int)");
-
-  if (cycle_do(3) != 5) return 1;
-  if (cycle_do(0) != 3) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/cycles/cycle_do.kt b/backend.native/tests/codegen/cycles/cycle_do.kt
index f55f201858a..3a25766bab1 100644
--- a/backend.native/tests/codegen/cycles/cycle_do.kt
+++ b/backend.native/tests/codegen/cycles/cycle_do.kt
@@ -5,3 +5,8 @@ fun cycle_do(cnt: Int): Int {
   } while (sum == cnt)
   return sum
 }
+
+fun main(args: Array<String>) {
+  if (cycle_do(3) != 5) throw Error()
+  if (cycle_do(0) != 3) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/arithmetic-test.c b/backend.native/tests/codegen/function/arithmetic-test.c
deleted file mode 100644
index 2d4169948e3..00000000000
--- a/backend.native/tests/codegen/function/arithmetic-test.c
+++ /dev/null
@@ -1,17 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*square)(int) = resolve_symbol("kfun:square(Int)");
-  int (*sum_of_squares)(int, int) = resolve_symbol("kfun:sumOfSquares(Int;Int)");
-  int (*diff_of_squares)(int, int) = resolve_symbol("kfun:diffOfSquares(Int;Int)");
-  int (*mod)(int, int) = resolve_symbol("kfun:mod(Int;Int)");
-  int (*div)(int, int) = resolve_symbol("kfun:remainder(Int;Int)");
-  
-  if (square(2) != 4) return 1;
-  if (sum_of_squares(2, 4) != 20) return 1;
-  if (diff_of_squares(2, 4) != -12) return 1;
-  if (mod(5, 2) != 2) return 1;
-  if (div(5, 2) != 1) return 1;
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/arithmetic.kt b/backend.native/tests/codegen/function/arithmetic.kt
index d043e45024d..d38909dfac8 100644
--- a/backend.native/tests/codegen/function/arithmetic.kt
+++ b/backend.native/tests/codegen/function/arithmetic.kt
@@ -2,4 +2,12 @@ fun square(a:Int):Int = a * a
 fun sumOfSquares(a:Int, b:Int):Int = square(a) + square(b)
 fun diffOfSquares(a:Int, b:Int):Int = square(a) - square(b)
 fun mod(a:Int,b:Int):Int = a / b
-fun remainder(a:Int, b:Int):Int = a % b
\ No newline at end of file
+fun remainder(a:Int, b:Int):Int = a % b
+
+fun main(args:Array<String>) {
+    if (square(2)             != 4)   throw Error()
+    if (sumOfSquares(2, 4)    != 20)  throw Error()
+    if (diffOfSquares(2, 4)   != -12) throw Error()
+    if (mod(5, 2)             != 2)   throw Error()
+    if (remainder(5, 2)       != 1)   throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/boolean-test.c b/backend.native/tests/codegen/function/boolean-test.c
deleted file mode 100644
index a9e88fef2ac..00000000000
--- a/backend.native/tests/codegen/function/boolean-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*bool_yes)() = resolve_symbol("kfun:bool_yes()");
-
-  if (!bool_yes()) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/boolean.kt b/backend.native/tests/codegen/function/boolean.kt
index 846979d9f28..328890fcb54 100644
--- a/backend.native/tests/codegen/function/boolean.kt
+++ b/backend.native/tests/codegen/function/boolean.kt
@@ -1 +1,5 @@
 fun bool_yes(): Boolean = true
+
+fun main(args: Array<String>) {
+    if (!bool_yes()) throw Error()
+}
diff --git a/backend.native/tests/codegen/function/eqeq-test.c b/backend.native/tests/codegen/function/eqeq-test.c
deleted file mode 100644
index 8da02575d66..00000000000
--- a/backend.native/tests/codegen/function/eqeq-test.c
+++ /dev/null
@@ -1,54 +0,0 @@
-#include <stdint.h>
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  void *(*helloString)()          = resolve_symbol("kfun:helloString()");
-  void *(*goodbyeString)()        = resolve_symbol("kfun:goodbyeString()");
-
-  uint8_t (*eqeqB)(uint8_t, uint8_t) = resolve_symbol("kfun:eqeqB(Byte;Byte)");
-  uint8_t (*eqeqS)(int16_t, int16_t) = resolve_symbol("kfun:eqeqS(Short;Short)");
-  uint8_t (*eqeqI)(int    , int    ) = resolve_symbol("kfun:eqeqI(Int;Int)");
-  uint8_t (*eqeqL)(int64_t, int64_t) = resolve_symbol("kfun:eqeqL(Long;Long)");
-  uint8_t (*eqeqF)(float  , float  ) = resolve_symbol("kfun:eqeqF(Float;Float)");
-  uint8_t (*eqeqD)(double , double ) = resolve_symbol("kfun:eqeqD(Double;Double)");
-  uint8_t (*eqeqStr)(void *, void *) = resolve_symbol("kfun:eqeqStr(String;String)");
-  uint8_t (*eqeqeq)(void *, void *)  = resolve_symbol("kfun:eqeqeq(Any?;Any?)");
-
-  uint8_t (*gtI  )(int    , int    ) = resolve_symbol("kfun:gtI(Int;Int)");
-  uint8_t (*ltI  )(int    , int    ) = resolve_symbol("kfun:ltI(Int;Int)");
-  uint8_t (*geI  )(int    , int    ) = resolve_symbol("kfun:geI(Int;Int)");
-  uint8_t (*leI  )(int    , int    ) = resolve_symbol("kfun:leI(Int;Int)");
-  uint8_t (*neI  )(int    , int    ) = resolve_symbol("kfun:neI(Int;Int)");
-
-  uint8_t (*gtF  )(float  , float  ) = resolve_symbol("kfun:gtF(Float;Float)");
-  uint8_t (*ltF  )(float  , float  ) = resolve_symbol("kfun:ltF(Float;Float)");
-  uint8_t (*geF  )(float  , float  ) = resolve_symbol("kfun:geF(Float;Float)");
-  uint8_t (*leF  )(float  , float  ) = resolve_symbol("kfun:leF(Float;Float)");
-  uint8_t (*neF  )(float  , float  ) = resolve_symbol("kfun:neF(Float;Float)");
-
-  if (!eqeqB(3   , 3   )) return 1;
-  if (!eqeqS(3   , 3   )) return 1;
-  if (!eqeqI(3   , 3   )) return 1;
-  if (!eqeqL(3ll , 3ll )) return 1;
-  if (!eqeqF(3.0f, 3.0f)) return 1;
-  if (!eqeqD(3.0 , 3.0 )) return 1;
-
-  if (!eqeqStr(helloString(), helloString())) return 1;
-  if (!eqeqeq(helloString(), helloString())) return 1;
-  if (eqeqeq(helloString(), goodbyeString())) return 1;
-
-  if (gtI   (2   , 3   )) return 1;
-  if (ltI   (3   , 2   )) return 1;
-  if (geI   (2   , 3   )) return 1;
-  if (leI   (3   , 2   )) return 1;
-  if (neI   (2   , 2   )) return 1;
-
-  if (gtF   (2.0 , 3.0 )) return 1;
-  if (ltF   (3.0 , 2.0 )) return 1;
-  if (geF   (2.0 , 3.0 )) return 1;
-  if (leF   (3.0 , 2.0 )) return 1;
-  if (neF   (2.0 , 2.0 )) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/eqeq.kt b/backend.native/tests/codegen/function/eqeq.kt
index 5d698843b66..f1e8f2988eb 100644
--- a/backend.native/tests/codegen/function/eqeq.kt
+++ b/backend.native/tests/codegen/function/eqeq.kt
@@ -21,4 +21,29 @@ fun leF  (a:Float,  b:Float ) = a <= b
 fun neF  (a:Float,  b:Float ) = a != b
 
 fun helloString()   =  "Hello"
-fun goodbyeString() =  "Goodbye"
\ No newline at end of file
+fun goodbyeString() =  "Goodbye"
+
+fun main(args: Array<String>) {
+    if (!eqeqB(3   , 3   )) throw Error()
+    if (!eqeqS(3   , 3   )) throw Error()
+    if (!eqeqI(3   , 3   )) throw Error()
+    if (!eqeqL(3L , 3L   )) throw Error()
+    if (!eqeqF(3.0f, 3.0f)) throw Error()
+    if (!eqeqD(3.0 , 3.0 )) throw Error()
+
+    if (!eqeqStr(helloString(), helloString()))   throw Error()
+    if (!eqeqeq(helloString(),  helloString()))   throw Error()
+    if (eqeqeq(helloString(),   goodbyeString())) throw Error()
+
+    if (gtI   (2   , 3   )) throw Error()
+    if (ltI   (3   , 2   )) throw Error()
+    if (geI   (2   , 3   )) throw Error()
+    if (leI   (3   , 2   )) throw Error()
+    if (neI   (2   , 2   )) throw Error()
+
+    if (gtF   (2.0f , 3.0f )) throw Error()
+    if (ltF   (3.0f , 2.0f )) throw Error()
+    if (geF   (2.0f , 3.0f )) throw Error()
+    if (leF   (3.0f , 2.0f )) throw Error()
+    if (neF   (2.0f , 2.0f )) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/intrinsic-test.c b/backend.native/tests/codegen/function/intrinsic-test.c
deleted file mode 100644
index 0ba0e225a27..00000000000
--- a/backend.native/tests/codegen/function/intrinsic-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*intrinsic)(int) = resolve_symbol("kfun:intrinsic(Int)");
-
-  if (intrinsic(3) != 4) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/intrinsic.kt b/backend.native/tests/codegen/function/intrinsic.kt
index 450c6fd6c02..cafcbf80824 100644
--- a/backend.native/tests/codegen/function/intrinsic.kt
+++ b/backend.native/tests/codegen/function/intrinsic.kt
@@ -9,3 +9,7 @@ fun intrinsic(b: Int): Int {
   sum = sum + b
   return sum
 }
+
+fun main(args: Array<String>) {
+  if (intrinsic(3) != 4) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/minus_eq-test.c b/backend.native/tests/codegen/function/minus_eq-test.c
deleted file mode 100644
index 0e779200f04..00000000000
--- a/backend.native/tests/codegen/function/minus_eq-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*minus_eq)(int) = resolve_symbol("kfun:minus_eq(Int)");
-
-  if (minus_eq(23) != -12) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/minus_eq.kt b/backend.native/tests/codegen/function/minus_eq.kt
index 1aaaa7e82ac..f1979d81f14 100644
--- a/backend.native/tests/codegen/function/minus_eq.kt
+++ b/backend.native/tests/codegen/function/minus_eq.kt
@@ -3,3 +3,7 @@ fun minus_eq(a: Int): Int {
   b -= a
   return b
 }
+
+fun main(args: Array<String>) {
+  if (minus_eq(23) != -12) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/plus_eq-test.c b/backend.native/tests/codegen/function/plus_eq-test.c
deleted file mode 100644
index 128f9b56a1c..00000000000
--- a/backend.native/tests/codegen/function/plus_eq-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*plus_eq)(int) = resolve_symbol("kfun:plus_eq(Int)");
-
-  if (plus_eq(3) != 14) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/plus_eq.kt b/backend.native/tests/codegen/function/plus_eq.kt
index d03b528824e..670f60b5712 100644
--- a/backend.native/tests/codegen/function/plus_eq.kt
+++ b/backend.native/tests/codegen/function/plus_eq.kt
@@ -2,4 +2,8 @@ fun plus_eq(a: Int): Int {
   var b = 11
   b += a
   return b
+}
+
+fun main(args: Array<String>) {
+  if (plus_eq(3) != 14) throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/sum-test.c b/backend.native/tests/codegen/function/sum-test.c
deleted file mode 100644
index 5b1d195fe62..00000000000
--- a/backend.native/tests/codegen/function/sum-test.c
+++ /dev/null
@@ -1,22 +0,0 @@
-#include <stdint.h>
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int     (*sumIB)(int, uint8_t) = resolve_symbol("kfun:sumIB(Int;Byte)");
-  int     (*sumIS)(int, int16_t) = resolve_symbol("kfun:sumIS(Int;Short)");
-  int     (*sumII)(int, int    ) = resolve_symbol("kfun:sumII(Int;Int)");
-  int64_t (*sumIL)(int, int64_t) = resolve_symbol("kfun:sumIL(Int;Long)");
-  float   (*sumIF)(int, float  ) = resolve_symbol("kfun:sumIF(Int;Float)");
-  double  (*sumID)(int, double ) = resolve_symbol("kfun:sumID(Int;Double)");
-  double  (*modID)(int, double ) = resolve_symbol("kfun:modID(Int;Double)");
-  if (sumIB(2, 3)    != 5)    return 1;
-  if (sumIS(2, 3)    != 5)    return 1;
-  if (sumII(2, 3)    != 5)    return 1;
-  if (sumIL(2, 3l)   != 5l)   return 1;
-  if (sumIF(2, 3.0f) != 5.0f) return 1;
-  if (sumID(2, 3.0)  != 5.0)  return 1;
-  if (modID(5, 3.0)  != 2.0)  return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/sum.kt b/backend.native/tests/codegen/function/sum.kt
index ee578b707a0..8e6ca12321b 100644
--- a/backend.native/tests/codegen/function/sum.kt
+++ b/backend.native/tests/codegen/function/sum.kt
@@ -5,4 +5,14 @@ fun sumIL(a:Int, b:Long  ) = a + b
 fun sumIF(a:Int, b:Float ) = a + b
 fun sumID(a:Int, b:Double) = a + b
 
-fun modID(a:Int, b:Double) = a % b
\ No newline at end of file
+fun modID(a:Int, b:Double) = a % b
+
+fun main(args:Array<String>) {
+    if (sumIB(2, 3)    != 5)    throw Error()
+    if (sumIS(2, 3)    != 5)    throw Error()
+    if (sumII(2, 3)    != 5)    throw Error()
+    if (sumIL(2, 3L)   != 5L)   throw Error()
+    if (sumIF(2, 3.0f) != 5.0f) throw Error()
+    if (sumID(2, 3.0)  != 5.0)  throw Error()
+    if (modID(5, 3.0)  != 2.0)  throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/sum_3const-test.c b/backend.native/tests/codegen/function/sum_3const-test.c
deleted file mode 100644
index a1e5dba70c9..00000000000
--- a/backend.native/tests/codegen/function/sum_3const-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*sum3)() = resolve_symbol("kfun:sum3()");
-
-  if (sum3() != 36) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/sum_3const.kt b/backend.native/tests/codegen/function/sum_3const.kt
index a9815b61f6b..3e5e7bd34e0 100644
--- a/backend.native/tests/codegen/function/sum_3const.kt
+++ b/backend.native/tests/codegen/function/sum_3const.kt
@@ -1,2 +1,6 @@
 fun sum3():Int = sum(1, 2, 33)
 fun sum(a:Int, b:Int, c:Int): Int = a + b + c
+
+fun main(args: Array<String>) {
+    if (sum3() != 36) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/sum_foo_bar-test.c b/backend.native/tests/codegen/function/sum_foo_bar-test.c
deleted file mode 100644
index 0326a5c2d1a..00000000000
--- a/backend.native/tests/codegen/function/sum_foo_bar-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*sum)(int, int) = resolve_symbol("kfun:sumFooBar(Int;Int)");
-  
-  if (sum(2, 3) != 5) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/sum_foo_bar.kt b/backend.native/tests/codegen/function/sum_foo_bar.kt
index ce1a0929736..ebfa4fe52de 100644
--- a/backend.native/tests/codegen/function/sum_foo_bar.kt
+++ b/backend.native/tests/codegen/function/sum_foo_bar.kt
@@ -1,4 +1,8 @@
 fun foo(a:Int):Int = a
 fun bar(a:Int):Int = a
 
-fun sumFooBar(a:Int, b:Int):Int = foo(a) + bar(b)
\ No newline at end of file
+fun sumFooBar(a:Int, b:Int):Int = foo(a) + bar(b)
+
+fun main(args:Array<String>) {
+    if (sumFooBar(2, 3) != 5) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/function/sum_imm-test.c b/backend.native/tests/codegen/function/sum_imm-test.c
deleted file mode 100644
index 79ce795f10e..00000000000
--- a/backend.native/tests/codegen/function/sum_imm-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*sum)(int) = resolve_symbol("kfun:sum(Int)");
-
-  if (sum(2) != 35) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/function/sum_imm.kt b/backend.native/tests/codegen/function/sum_imm.kt
index 35aa434b854..da63baabfbf 100644
--- a/backend.native/tests/codegen/function/sum_imm.kt
+++ b/backend.native/tests/codegen/function/sum_imm.kt
@@ -1 +1,5 @@
-fun sum(a:Int): Int = a + 33
\ No newline at end of file
+fun sum(a:Int): Int = a + 33
+
+fun main(args:Array<String>) {
+    if (sum(2) != 35) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/klass/basic.kt b/backend.native/tests/codegen/klass/basic.kt
deleted file mode 100644
index fd9b0cb4f65..00000000000
--- a/backend.native/tests/codegen/klass/basic.kt
+++ /dev/null
@@ -1,3 +0,0 @@
-class Foo {
-  var x : Int = 3
-}
diff --git a/backend.native/tests/codegen/object/fields-test.c b/backend.native/tests/codegen/object/fields-test.c
deleted file mode 100644
index 59eb7da084f..00000000000
--- a/backend.native/tests/codegen/object/fields-test.c
+++ /dev/null
@@ -1,12 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*globalTest)() = resolve_symbol("kfun:globalTest(Int)");
-  int (*getGlobal)()  = resolve_symbol("kfun:<get-globalValue>()");
-
-  if (getGlobal() != 1) return 1;
-  if (globalTest(41) != 42) return 1;
-  if (getGlobal() != 42) return 1;
-  return 0;
-}
diff --git a/backend.native/tests/codegen/object/fields.kt b/backend.native/tests/codegen/object/fields.kt
index 41791818a80..1a73052ee81 100644
--- a/backend.native/tests/codegen/object/fields.kt
+++ b/backend.native/tests/codegen/object/fields.kt
@@ -6,4 +6,11 @@ var global:Int
 fun globalTest(i:Int):Int {
     global += i
     return global
+}
+
+
+fun main(args:Array<String>) {
+    if (global != 1)          throw Error()
+    if (globalTest(41) != 42) throw Error()
+    if (global != 42)         throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/object/fields1-test.c b/backend.native/tests/codegen/object/fields1-test.c
deleted file mode 100644
index 7bc9fcf8594..00000000000
--- a/backend.native/tests/codegen/object/fields1-test.c
+++ /dev/null
@@ -1,12 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*primary_constructor)(int, int) = resolve_symbol("kfun:primaryConstructorCall(Int;Int)");
-  int (*secondary_constructor)(int) = resolve_symbol("kfun:secondaryConstructorCall(Int)");
-
-  if (primary_constructor(0xdeadbeef, 41) != 42) return 1;
-
-  if (secondary_constructor(41) != 42) return 1;
-  return 0;
-}
diff --git a/backend.native/tests/codegen/object/fields1.kt b/backend.native/tests/codegen/object/fields1.kt
index 6c6cebb8184..d82041af7b6 100644
--- a/backend.native/tests/codegen/object/fields1.kt
+++ b/backend.native/tests/codegen/object/fields1.kt
@@ -5,4 +5,9 @@ class B(val a:Int, b:Int) {
 
 fun primaryConstructorCall(a:Int, b:Int) = B(a, b).pos
 
-fun secondaryConstructorCall(a:Int) = B(a).pos
\ No newline at end of file
+fun secondaryConstructorCall(a:Int) = B(a).pos
+
+fun main(args:Array<String>) {
+    if (primaryConstructorCall(0xdeadbeef.toInt(), 41) != 42) throw Error()
+    if (secondaryConstructorCall(41)                   != 42) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/codegen/object/initialization-test.c b/backend.native/tests/codegen/object/initialization-test.c
deleted file mode 100644
index 9f5e603fc06..00000000000
--- a/backend.native/tests/codegen/object/initialization-test.c
+++ /dev/null
@@ -1,10 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*foo)(int, int) = resolve_symbol("kfun:foo(Int;Int)");
-  
-  if (foo(2, 3) != 5) return 1;
-
-  return 0;
-}
diff --git a/backend.native/tests/codegen/object/initialization.kt b/backend.native/tests/codegen/object/initialization.kt
index cf4eb1d8c9b..5c75eb5d4de 100644
--- a/backend.native/tests/codegen/object/initialization.kt
+++ b/backend.native/tests/codegen/object/initialization.kt
@@ -17,4 +17,8 @@ fun foo(i:Int) : Unit {}
 fun foo(i:Int, j:Int):Int {
    val c = D(i, j)
    return c.c
+}
+
+fun main(args:Array<String>) {
+   if (foo(2, 3) != 5) throw Error()
 }
\ No newline at end of file
diff --git a/backend.native/tests/codegen/object/method_call-test.c b/backend.native/tests/codegen/object/method_call-test.c
deleted file mode 100644
index eb77e0e1102..00000000000
--- a/backend.native/tests/codegen/object/method_call-test.c
+++ /dev/null
@@ -1,9 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  int (*fortyTwo)() = resolve_symbol("kfun:fortyTwo()");
-
-  if (fortyTwo() != 42) return 1;
-  return 0;
-}
diff --git a/backend.native/tests/codegen/object/method_call.kt b/backend.native/tests/codegen/object/method_call.kt
index a7d7b4d7928..778d23d6cbf 100644
--- a/backend.native/tests/codegen/object/method_call.kt
+++ b/backend.native/tests/codegen/object/method_call.kt
@@ -2,4 +2,8 @@ class A(val a:Int) {
   fun foo(i:Int) = a + i
 }
 
-fun fortyTwo() = A(41).foo(1)
\ No newline at end of file
+fun fortyTwo() = A(41).foo(1)
+
+fun main(args:Array<String>) {
+  if (fortyTwo() != 42) throw Error()
+}
\ No newline at end of file
diff --git a/backend.native/tests/datagen/rtti/abstract_super-test.c b/backend.native/tests/datagen/rtti/abstract_super-test.c
deleted file mode 100644
index e0ff5e0a807..00000000000
--- a/backend.native/tests/datagen/rtti/abstract_super-test.c
+++ /dev/null
@@ -1,9 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  // This test now checks that the source can be successfully compiled and linked;
-  // TODO: check the contents of TypeInfo?
-
-  return 0;
-}
diff --git a/backend.native/tests/datagen/rtti/abstract_super.kt b/backend.native/tests/datagen/rtti/abstract_super.kt
index abe62ef760d..d89e7d30d6e 100644
--- a/backend.native/tests/datagen/rtti/abstract_super.kt
+++ b/backend.native/tests/datagen/rtti/abstract_super.kt
@@ -1,3 +1,8 @@
 abstract class Super
 
 class Foo : Super()
+
+fun main(args: Array<String>) {
+    // This test now checks that the source can be successfully compiled and linked;
+    // TODO: check the contents of TypeInfo?
+}
diff --git a/backend.native/tests/datagen/rtti/vtable1-test.c b/backend.native/tests/datagen/rtti/vtable1-test.c
deleted file mode 100644
index e0ff5e0a807..00000000000
--- a/backend.native/tests/datagen/rtti/vtable1-test.c
+++ /dev/null
@@ -1,9 +0,0 @@
-extern void *resolve_symbol(const char*);
-
-int
-run_test() {
-  // This test now checks that the source can be successfully compiled and linked;
-  // TODO: check the contents of TypeInfo?
-
-  return 0;
-}
diff --git a/backend.native/tests/datagen/rtti/vtable1.kt b/backend.native/tests/datagen/rtti/vtable1.kt
index e08fe2db078..03fc2d099ee 100644
--- a/backend.native/tests/datagen/rtti/vtable1.kt
+++ b/backend.native/tests/datagen/rtti/vtable1.kt
@@ -5,3 +5,8 @@ abstract class Super {
 class Foo : Super() {
     final override fun bar() {}
 }
+
+fun main(args: Array<String>) {
+    // This test now checks that the source can be successfully compiled and linked;
+    // TODO: check the contents of TypeInfo?
+}
\ No newline at end of file