smart completion: diamonds: forbid non applicable diamonds based on the completion position (IDEA-87053)

java/java-tests/testData/codeInsight/completion/smartType/DiamondNotCollapsedNotApplicable-out.java

@@ -0,0 +1,15 @@
+import java.util.ArrayList;
+
+public class TestCompletion {
+    public static void test() {
+        A<ArrayList<String>> ref = new A<>();
+        ref.set(new ArrayList<String>(<caret>) );
+    }
+}
+
+class A<V> {
+    A() {
+    }
+
+    void set(V v){}
+}

java/java-tests/testData/codeInsight/completion/smartType/DiamondNotCollapsedNotApplicable.java

@@ -0,0 +1,15 @@
+import java.util.ArrayList;
+
+public class TestCompletion {
+    public static void test() {
+        A<ArrayList<String>> ref = new A<>();
+        ref.set(new <caret> );
+    }
+}
+
+class A<V> {
+    A() {
+    }
+
+    void set(V v){}
+}