undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/langtools/tools/javac/lambda/LambdaCapture04.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8003280
+ * @summary Add lambda tests
+ *  test for capture of non-mutable locals/outer fields in multiple scopes
+ * @author  Maurizio Cimadamore
+ * @run main LambdaCapture04
+ */
+
+public class LambdaCapture04 {
+
+    static int assertionCount = 0;
+
+    static void assertTrue(boolean cond) {
+        assertionCount++;
+        if (!cond)
+            throw new AssertionError();
+    }
+
+    interface Tester {
+        void test();
+    }
+
+    interface TU<U> {
+        public void foo(U u);
+    }
+
+    public static <U> void exec(TU<U> lambda, U x) {
+        lambda.foo(x);
+    }
+
+    Integer n1 = 10;
+
+    void test1() {
+        final Integer N1 = 1;
+        class A {
+            Integer n2 = 20;
+            void test() {
+                  final Integer N2 = 2;
+                  class B {
+                       void test() {
+                           final Integer N3 = 3;
+                           exec((final Integer x) -> new Tester() { public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); } }.test(),30);
+                       }
+                  }
+                  new B().test();
+            }
+        }
+        new A().test();
+    }
+
+    void test2() {
+        final Integer N1 = 1;
+        class A {
+            Integer n2 = 20;
+            void test() {
+                  final Integer N2 = 2;
+                  class B {
+                       void test() {
+                           final Integer N3 = 3;
+                           exec((final Integer x) -> {
+                               class LocTester implements Tester {
+                                   public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); }
+                               };
+                               new LocTester().test();
+                           },30);
+                       }
+                  }
+                  new B().test();
+            }
+        }
+        new A().test();
+    }
+
+    void test3() {
+        final Integer N1 = 1;
+        new Tester() {
+            Integer n2 = 20;
+            public void test() {
+                final Integer N2 = 2;
+                new Tester() {
+                    public void test() {
+                        final Integer N3 = 3;
+                        exec((final Integer x) -> new Tester() { public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); } }.test(),30);
+                    }
+                }.test();
+            }
+        }.test();
+    }
+
+    void test4() {
+        final Integer N1 = 1;
+        new Tester() {
+            Integer n2 = 20;
+            public void test() {
+                final Integer N2 = 2;
+                new Tester() {
+                    public void test() {
+                        final Integer N3 = 3;
+                        exec((final Integer x) -> {
+                            class LocTester implements Tester {
+                                public void test() { assertTrue(x + n1 + n2 + N1 + N2 + N3 == 66); }
+                            };
+                            new LocTester().test();
+                        },30);
+                    }
+                }.test();
+            }
+        }.test();
+    }
+
+    public static void main(String[] args) {
+        LambdaCapture04 t = new LambdaCapture04();
+        t.test1();
+        t.test2();
+        t.test3();
+        t.test4();
+        assertTrue(assertionCount == 4);
+    }
+}