Call chain into sequence: add 'unzip' to conversion targets #KT-27486 Fixed

idea/src/org/jetbrains/kotlin/idea/inspections/collections/ConvertCallChainIntoSequenceInspection.kt

@@ -304,7 +304,8 @@ private val terminations = listOf(
     "toMutableList",
     "toMutableSet",
     "toSet",
-    "toSortedSet"
+    "toSortedSet",
+    "unzip"
 ).associate {
     val pkg = if (it in listOf("contains", "indexOf", "lastIndexOf")) "kotlin.collections.List" else "kotlin.collections"
     it to FqName("$pkg.$it")

idea/testData/inspectionsLocal/collections/convertCallChainIntoSequence/termination/unzip.kt

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun test() {
+    val pair: Pair<List<Int>, List<Int>> = listOf(1 to 2, 3 to 4).<caret>filter { it.first > 1 }.filter { it.second > 2 }.unzip()
+}

idea/testData/inspectionsLocal/collections/convertCallChainIntoSequence/termination/unzip.kt.after

@@ -0,0 +1,5 @@
+// WITH_RUNTIME
+
+fun test() {
+    val pair: Pair<List<Int>, List<Int>> = listOf(1 to 2, 3 to 4).asSequence().filter { it.first > 1 }.filter { it.second > 2 }.unzip()
+}

idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java

@@ -1010,6 +1010,11 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest {
                 public void testToSortedSet() throws Exception {
                     runTest("idea/testData/inspectionsLocal/collections/convertCallChainIntoSequence/termination/toSortedSet.kt");
                 }
+
+                @TestMetadata("unzip.kt")
+                public void testUnzip() throws Exception {
+                    runTest("idea/testData/inspectionsLocal/collections/convertCallChainIntoSequence/termination/unzip.kt");
+                }
             }
         }