diff --git a/idea/testData/debugger/sequence/exec/sequence/src/map/Map.kt b/idea/testData/debugger/sequence/exec/sequence/src/map/Map.kt
new file mode 100644
index 00000000000..324664b3574
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/src/map/Map.kt
@@ -0,0 +1,7 @@
+// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package map
+
+fun main(args: Array<String>) {
+  // Breakpoint!
+  doubleArrayOf(1.0, 2.0).asSequence().map { it * it }.contains(3.0)
+}
\ No newline at end of file
diff --git a/idea/testData/debugger/sequence/exec/sequence/src/map/MapIndexed.kt b/idea/testData/debugger/sequence/exec/sequence/src/map/MapIndexed.kt
new file mode 100644
index 00000000000..ed766b8dae0
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/src/map/MapIndexed.kt
@@ -0,0 +1,6 @@
+package map
+
+fun main(args: Array<String>) {
+  // Breakpoint!
+  intArrayOf(1, 2, 3, 4).asSequence().mapIndexed { ix, _ -> ix }.count()
+}
\ No newline at end of file
diff --git a/idea/testData/debugger/sequence/exec/sequence/src/map/MapNotNull.kt b/idea/testData/debugger/sequence/exec/sequence/src/map/MapNotNull.kt
new file mode 100644
index 00000000000..57d2795b8ba
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/src/map/MapNotNull.kt
@@ -0,0 +1,6 @@
+package map
+
+fun main(args: Array<String>) {
+  // Breakpoint!
+  val lst = listOf(1, 2, null, 3).asSequence().mapNotNull { if (it != null && it % 2 == 1) it else null }.toList()
+}
\ No newline at end of file
diff --git a/idea/testData/debugger/sequence/exec/sequence/src/map/WithIndex.kt b/idea/testData/debugger/sequence/exec/sequence/src/map/WithIndex.kt
new file mode 100644
index 00000000000..9deaa7bf548
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/src/map/WithIndex.kt
@@ -0,0 +1,7 @@
+// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package map
+
+fun main(args: Array<String>) {
+  // Breakpoint!
+  intArrayOf(1, 2, 3).asSequence().withIndex().forEach {}
+}
\ No newline at end of file
diff --git a/idea/tests/com/intellij/debugger/streams/kotlin/exec/sequence/MappingOperationsTest.kt b/idea/tests/com/intellij/debugger/streams/kotlin/exec/sequence/MappingOperationsTest.kt
new file mode 100644
index 00000000000..410cb105f36
--- /dev/null
+++ b/idea/tests/com/intellij/debugger/streams/kotlin/exec/sequence/MappingOperationsTest.kt
@@ -0,0 +1,12 @@
+// Copyright 2000-2017 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.intellij.debugger.streams.kotlin.exec.sequence
+
+/**
+ * @author Vitaliy.Bibaev
+ */
+class MappingOperationsTest : OperationsTestCase("map") {
+  fun testMap() = doTestWithResult()
+  fun testMapNotNull() = doTestWithResult()
+  fun testMapIndexed() = doTestWithResult()
+  fun testWithIndex() = doTestWithoutResult()
+}
\ No newline at end of file