From a97a3109876cf29705adcb13dc87e1cedcc9f140 Mon Sep 17 00:00:00 2001
From: Ilya Matveev <ilya.matveev@jetbrains.com>
Date: Thu, 13 Jul 2017 12:29:48 +0700
Subject: [PATCH] tests: Add tests for empty ranges in 'for' loops

---
 backend.native/tests/build.gradle                |  5 +++++
 .../codegen/basics/for_loops_empty_range.kt      | 16 ++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 backend.native/tests/codegen/basics/for_loops_empty_range.kt

diff --git a/backend.native/tests/build.gradle b/backend.native/tests/build.gradle
index fd1e1c8c22d..c8652785493 100644
--- a/backend.native/tests/build.gradle
+++ b/backend.native/tests/build.gradle
@@ -330,6 +330,11 @@ task codegen_basics_for_loops_errors(type: RunKonanTest) {
     goldValue = "OK\n"
 }
 
+task codegen_basics_for_loops_empty_range(type: RunKonanTest) {
+    source = "codegen/basics/for_loops_empty_range.kt"
+    goldValue = "OK\n"
+}
+
 task local_variable(type: RunKonanTest) {
     source = "codegen/basics/local_variable.kt"
 }
diff --git a/backend.native/tests/codegen/basics/for_loops_empty_range.kt b/backend.native/tests/codegen/basics/for_loops_empty_range.kt
new file mode 100644
index 00000000000..2b78406ae8a
--- /dev/null
+++ b/backend.native/tests/codegen/basics/for_loops_empty_range.kt
@@ -0,0 +1,16 @@
+fun main(args: Array<String>) {
+    // Simple loops
+    for (i in 4..0) { print(i) }
+    for (i in 4 until 0) { print(i) }
+    for (i in 0 downTo 4) { print(i) }
+    // Steps
+    for (i in 4..0 step 2) { print(i) }
+    for (i in 4 until 0 step 2) { print(i) }
+    for (i in 0 downTo 4 step 2) { print(i) }
+    // Two steps
+    for (i in 6..0 step 2 step 3) { print(i) }
+    for (i in 6 until 0 step 2 step 3) { print(i) }
+    for (i in 0 downTo 6 step 2 step 3) { print(i) }
+
+    println("OK")
+}
\ No newline at end of file