diff --git a/idea/testData/debugger/sequence/exec/sequence/outs/map.out b/idea/testData/debugger/sequence/exec/sequence/outs/map.out
new file mode 100644
index 00000000000..6d7cda23753
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/outs/map.out
@@ -0,0 +1,29 @@
+LineBreakpoint created at Map.kt:6
+Run Java
+Connected to the target VM
+Map.kt:6
+doubleArrayOf(1.0, 2.0).asSequence()
+.map({ it * it })
+.contains(3.0)
+map
+    before: 1,3
+    after: 2,4
+contains
+    before: 2,4
+    after: nothing
+mappings for map
+  direct:
+    1 -> 2
+    3 -> 4
+  reverse:
+    1 <- 2
+    3 <- 4
+mappings for contains
+  direct:
+    2 -> nothing
+    4 -> nothing
+  reverse:
+    empty
+Disconnected from the target VM
+
+Process finished with exit code 0
diff --git a/idea/testData/debugger/sequence/exec/sequence/outs/mapIndexed.out b/idea/testData/debugger/sequence/exec/sequence/outs/mapIndexed.out
new file mode 100644
index 00000000000..cf27cd2eae0
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/outs/mapIndexed.out
@@ -0,0 +1,35 @@
+LineBreakpoint created at MapIndexed.kt:5
+Run Java
+Connected to the target VM
+MapIndexed.kt:5
+intArrayOf(1, 2, 3, 4).asSequence()
+.mapIndexed({ ix, _ -> ix })
+.count()
+mapIndexed
+    before: 1,3,5,7
+    after: 2,4,6,8
+count
+    before: 2,4,6,8
+    after: nothing
+mappings for mapIndexed
+  direct:
+    1 -> 2
+    3 -> 4
+    5 -> 6
+    7 -> 8
+  reverse:
+    1 <- 2
+    3 <- 4
+    5 <- 6
+    7 <- 8
+mappings for count
+  direct:
+    2 -> nothing
+    4 -> nothing
+    6 -> nothing
+    8 -> nothing
+  reverse:
+    empty
+Disconnected from the target VM
+
+Process finished with exit code 0
diff --git a/idea/testData/debugger/sequence/exec/sequence/outs/mapNotNull.out b/idea/testData/debugger/sequence/exec/sequence/outs/mapNotNull.out
new file mode 100644
index 00000000000..992121ab9cb
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/outs/mapNotNull.out
@@ -0,0 +1,33 @@
+LineBreakpoint created at MapNotNull.kt:5
+Run Java
+Connected to the target VM
+MapNotNull.kt:5
+listOf(1, 2, null, 3).asSequence()
+.mapNotNull({ if (it != null && it % 2 == 1) it else null })
+.toList()
+mapNotNull
+    before: 1,3,4,5
+    after: 2,6
+toList
+    before: 2,6
+    after: nothing
+mappings for mapNotNull
+  direct:
+    1 -> nothing
+    3 -> nothing
+    4 -> nothing
+    5 -> nothing
+  reverse:
+    nothing <- 2
+    nothing <- 6
+mappings for toList
+  direct:
+    2 -> nothing
+    6 -> nothing
+  reverse:
+    empty
+
+WRONG! Support will be implemented later
+Disconnected from the target VM
+
+Process finished with exit code 0
diff --git a/idea/testData/debugger/sequence/exec/sequence/outs/withIndex.out b/idea/testData/debugger/sequence/exec/sequence/outs/withIndex.out
new file mode 100644
index 00000000000..12eb62f2064
--- /dev/null
+++ b/idea/testData/debugger/sequence/exec/sequence/outs/withIndex.out
@@ -0,0 +1,32 @@
+LineBreakpoint created at WithIndex.kt:6
+Run Java
+Connected to the target VM
+WithIndex.kt:6
+intArrayOf(1, 2, 3).asSequence()
+.withIndex()
+.forEach({})
+withIndex
+    before: 1,3,5
+    after: 2,4,6
+forEach
+    before: 2,4,6
+    after: nothing
+mappings for withIndex
+  direct:
+    1 -> 2
+    3 -> 4
+    5 -> 6
+  reverse:
+    1 <- 2
+    3 <- 4
+    5 <- 6
+mappings for forEach
+  direct:
+    2 -> nothing
+    4 -> nothing
+    6 -> nothing
+  reverse:
+    empty
+Disconnected from the target VM
+
+Process finished with exit code 0