Stream API Migration: fix cases when boxed collection is iterated with primitive parameter (inspired by PR https://github.com/JetBrains/intellij-community/pull/455 by FHannes)

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

@@ -0,0 +1,9 @@
+import java.util.Arrays;
+
+// "Replace with sum()" "true"
+public class Main {
+  public int sum(int[] array) {
+      int sum = Arrays.stream(array).sum();
+      return sum;
+  }
+}

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

@@ -0,0 +1,22 @@
+// "Replace with sum()" "true"
+import java.util.Arrays;
+import java.util.List;
+
+public class Main {
+  public boolean check(Integer x) {
+    return x % 3 == 0;
+  }
+
+  public boolean check(int x) {
+    return x % 2 == 0;
+  }
+
+  public int sum(List<Integer> list) {
+      int sum = list.stream().mapToInt(x -> x).filter(this::check).sum();
+      return sum;
+  }
+
+  public static void main(String[] args) {
+    System.out.println(new Main().sum(Arrays.asList(1,2,3,4,5,6)));
+  }
+}

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

@@ -0,0 +1,9 @@
+// "Replace with sum()" "true"
+import java.util.List;
+
+public class Main {
+  public int sum(List<Integer> list) {
+      int sum = list.stream().mapToInt(x -> x).sum();
+      return sum;
+  }
+}

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

@@ -0,0 +1,9 @@
+// "Replace with sum()" "true"
+import java.util.List;
+
+public class Main {
+  public int sum(List<Integer> list) {
+      int sum = list.stream().mapToInt(x -> x).sum();
+      return sum;
+  }
+}

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

@@ -0,0 +1,12 @@
+// "Replace with sum()" "false"
+import java.util.List;
+
+public class Main {
+  public int sum(List<Float> list) {
+    int sum = 0;
+    for(float x : li<caret>st) {
+      sum += x;
+    }
+    return sum;
+  }
+}

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

@@ -0,0 +1,10 @@
+// "Replace with sum()" "true"
+public class Main {
+  public int sum(int[] array) {
+    int sum = 0;
+    for(int x : arr<caret>ay) {
+      sum += x;
+    }
+    return sum;
+  }
+}

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

@@ -0,0 +1,26 @@
+// "Replace with sum()" "true"
+import java.util.Arrays;
+import java.util.List;
+
+public class Main {
+  public boolean check(Integer x) {
+    return x % 3 == 0;
+  }
+
+  public boolean check(int x) {
+    return x % 2 == 0;
+  }
+
+  public int sum(List<Integer> list) {
+    int sum = 0;
+    for(int x : li<caret>st) {
+      if(check(x))
+        sum += x;
+    }
+    return sum;
+  }
+
+  public static void main(String[] args) {
+    System.out.println(new Main().sum(Arrays.asList(1,2,3,4,5,6)));
+  }
+}

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

@@ -0,0 +1,12 @@
+// "Replace with sum()" "true"
+import java.util.List;
+
+public class Main {
+  public int sum(List<Integer> list) {
+    int sum = 0;
+    for(int x : li<caret>st) {
+      sum += x;
+    }
+    return sum;
+  }
+}

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

@@ -0,0 +1,12 @@
+// "Replace with sum()" "true"
+import java.util.List;
+
+public class Main {
+  public int sum(List<Integer> list) {
+    int sum = 0;
+    for(Integer x : li<caret>st) {
+      sum += x;
+    }
+    return sum;
+  }
+}