StreamAPI migration: limited sorting support

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/afterCollectSorted.java

@@ -0,0 +1,15 @@
+// "Replace with collect" "true"
+import java.util.*;
+import java.util.stream.Collectors;
+
+public class Collect {
+  class Person {
+    String getName() {
+      return "";
+    }
+  }
+
+  void collectNames(List<Person> persons){
+      List<String> names = persons.stream().map(Person::getName).sorted(Comparator.comparing(Person::getName)).collect(Collectors.toList());
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/afterCollectSortedNatural.java

@@ -0,0 +1,10 @@
+// "Replace with collect" "true"
+import java.util.*;
+import java.util.stream.Collectors;
+
+public class Collect {
+  void collectNames(List<String> persons){
+      List<String> names = persons.stream().map(String::toLowerCase).sorted().collect(Collectors.toList());
+      // sort
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeCollectSorted.java

@@ -0,0 +1,18 @@
+// "Replace with collect" "true"
+import java.util.*;
+
+public class Collect {
+  class Person {
+    String getName() {
+      return "";
+    }
+  }
+
+  void collectNames(List<Person> persons){
+    List<String> names = new ArrayList<>();
+    for (Person person : pers<caret>ons) {
+      names.add(person.getName());
+    }
+    Collections.sort(names, Comparator.comparing(Person::getName));
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/beforeCollectSortedNatural.java

@@ -0,0 +1,13 @@
+// "Replace with collect" "true"
+import java.util.*;
+
+public class Collect {
+  void collectNames(List<String> persons){
+    List<String> names = new ArrayList<>();
+    for (String person : pers<caret>ons) {
+      names.add(person.toLowerCase());
+    }
+    // sort
+    Collections.sort(names);
+  }
+}