8003280: Add lambda tests

Turn on lambda expression, method reference and default method support

Reviewed-by: jjg

langtools/test/tools/javac/lambda/LambdaExpr19.java

@@ -0,0 +1,53 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  check that inner scopes are left after a lambda check exception has been thrown
+ * @compile/fail/ref=LambdaExpr19.out -XDrawDiagnostics LambdaExpr19.java
+ */
+class LambdaExpr19 {
+
+    interface SAM {
+        String m();
+    }
+
+    void m(SAM s) { }
+
+    void testTry() {
+        m(() -> {
+                try { return 1; }
+                catch (Exception e) { }
+            });
+    }
+
+    void testTryWithResources() {
+        m(() -> {
+                try (AutoCloseable c = null) { return 1; }
+                catch (Exception e) { }
+            });
+    }
+
+    void testSwitch() {
+        m(() -> {
+                switch (1) {
+                    default: return 1;
+                }
+            });
+    }
+
+    void testFor() {
+        m(() -> {
+                for (;;) {
+                    return 1;
+                }
+            });
+    }
+
+    void testForeach() {
+        m(() -> {
+                for (Object o : new Object[] { null , null }) {
+                    return 1;
+                }
+            });
+    }
+}