java convert to atomic intention: assignment conversion fix IDEA-161639

java/typeMigration/testData/intentions/atomic/afterAssignmentOp.java

@@ -0,0 +1,18 @@
+import java.util.concurrent.atomic.AtomicLong;
+
+// "Convert to atomic" "true"
+class A {
+  final AtomicLong x = new AtomicLong(0);
+
+  public void testAtomicLong() {
+    x.getAndIncrement();
+    x.getAndDecrement();
+    x.addAndGet(2);
+    x.addAndGet(-2);
+    x.updateAndGet(v -> v * 3);
+    x.updateAndGet(v -> v / 3);
+    x.updateAndGet(v -> v % 3);
+    x.updateAndGet(v -> v & 3);
+    x.updateAndGet(v -> v | 3);
+  }
+}

java/typeMigration/testData/intentions/atomic/beforeAssignmentOp.java

@@ -0,0 +1,16 @@
+// "Convert to atomic" "true"
+class A {
+  long <caret>x = 0;
+
+  public void testAtomicLong() {
+    x++;
+    x--;
+    x+=2;
+    x-=2;
+    x*=3;
+    x/=3;
+    x%=3;
+    x&=3;
+    x|=3;
+  }
+}