lambda: convert anonymous to lambda in invalid context with cast; add cast when functional interface type won't be found otherwise (IDEA-90863)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2lambda/afterClassObjectAccess.java

@@ -0,0 +1,8 @@
+// "Replace with lambda" "true"
+class Test {
+  {
+    ((Runnable) () -> {
+        //To change body of implemented methods use File | Settings | File Templates.
+    }).getClass();;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2lambda/afterVarWithSuperTypeDeclared.java

@@ -0,0 +1,12 @@
+// "Replace with lambda" "true"
+class Test {
+  interface I {
+
+  }
+  interface Bar extends I {
+    int compare(String o1, String o2);
+  }
+  {
+    I bar2 = (Bar) (o1, o2) -> 0;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2lambda/beforeClassObjectAccess.java

@@ -1,4 +1,4 @@
-// "Replace with lambda" "false"
+// "Replace with lambda" "true"
 class Test {
   {
     new Ru<caret>nnable() {

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2lambda/beforeVarWithSuperTypeDeclared.java

@@ -0,0 +1,17 @@
+// "Replace with lambda" "true"
+class Test {
+  interface I {
+
+  }
+  interface Bar extends I {
+    int compare(String o1, String o2);
+  }
+  {
+    I bar2 = new Ba<caret>r() {
+      @Override
+      public int compare(String o1, String o2) {
+        return 0;
+      }
+    };
+  }
+}