support min/max in stream api migration, rearrange tests

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/afterFlatMapChangePrimitiveType.java

@@ -0,0 +1,13 @@
+// "Replace with count()" "true"
+import java.util.Arrays;
+import java.util.function.Function;
+import java.util.stream.IntStream;
+import java.util.stream.LongStream;
+import java.util.stream.Stream;
+
+public class Test {
+  public void test() {
+      long count = IntStream.range(0, 10).mapToObj(i -> LongStream.range(0, i)).flatMapToLong(Function.identity()).mapToObj(l -> Stream.of("x", "y", "z")).flatMap(Function.identity()).flatMapToInt(s -> IntStream.range(0, s.length())).count();
+      System.out.println(count);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/afterFlatMapForLoop.java

@@ -0,0 +1,11 @@
+// "Replace with findFirst()" "true"
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.IntStream;
+
+public class Main {
+  public String testNestedForLoop(int[] data, List<String> info) {
+      return Arrays.stream(data).flatMap(val -> IntStream.rangeClosed(0, val)).mapToObj(info::get).filter(str -> !str.isEmpty()).findFirst().orElse(null);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/afterFlatten2DArray.java

@@ -0,0 +1,13 @@
+// "Replace with collect" "true"
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public class Main {
+  public List<String> test(String[][] arr) {
+      List<String> result = Arrays.stream(arr).filter(Objects::nonNull).flatMap(Arrays::stream).collect(Collectors.toList());
+      return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/afterFlatten2DArrayPrimitive.java

@@ -0,0 +1,13 @@
+// "Replace with collect" "true"
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public class Main {
+  public List<Integer> test(int[][] arr) {
+      List<Integer> result = Arrays.stream(arr).filter(Objects::nonNull).flatMapToInt(Arrays::stream).boxed().collect(Collectors.toList());
+      return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/beforeFlatMapChangePrimitiveType.java

@@ -0,0 +1,18 @@
+// "Replace with count()" "true"
+import java.util.Arrays;
+
+public class Test {
+  public void test() {
+    long count = 0;
+    for(int <caret>i=0; i<10; i++) {
+      for(long l = 0; l < i; l++) {
+        for(String s : Arrays.asList("x", "y", "z")) {
+          for(int k = 0; k < s.length(); k++) {
+            count++;
+          }
+        }
+      }
+    }
+    System.out.println(count);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/beforeFlatMapForLoop.java

@@ -0,0 +1,17 @@
+// "Replace with findFirst()" "true"
+
+import java.util.List;
+
+public class Main {
+  public String testNestedForLoop(int[] data, List<String> info) {
+    for(int val : da<caret>ta) {
+      for(int x = 0; x <= val; x++) {
+        String str = info.get(x);
+        if(!str.isEmpty()) {
+          return str;
+        }
+      }
+    }
+    return null;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/beforeFlatten2DArray.java

@@ -0,0 +1,17 @@
+// "Replace with collect" "true"
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+  public List<String> test(String[][] arr) {
+    List<String> result = new ArrayList<>();
+    for(String[] subArr : a<caret>rr) {
+      if(subArr != null) {
+        for(String str : subArr) {
+          result.add(str);
+        }
+      }
+    }
+    return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/flatMap/beforeFlatten2DArrayPrimitive.java

@@ -0,0 +1,17 @@
+// "Replace with collect" "true"
+import java.util.ArrayList;
+  import java.util.List;
+
+public class Main {
+  public List<Integer> test(int[][] arr) {
+    List<Integer> result = new ArrayList<>();
+    for(int[] subArr : a<caret>rr) {
+      if(subArr != null) {
+        for(int str : subArr) {
+          result.add(str);
+        }
+      }
+    }
+    return result;
+  }
+}