1 /*
   2  * Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 package org.graalvm.compiler.graph.test;
  26 
  27 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN;
  28 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_UNKNOWN;
  29 
  30 import org.junit.Assert;
  31 import org.junit.Test;
  32 
  33 import org.graalvm.compiler.graph.Graph;
  34 import org.graalvm.compiler.graph.Node;
  35 import org.graalvm.compiler.graph.NodeClass;
  36 import org.graalvm.compiler.nodeinfo.NodeInfo;
  37 
  38 public class NodeValidationChecksTest extends GraphTest {
  39 
  40     @NodeInfo(cycles = CYCLES_UNKNOWN, size = SIZE_UNKNOWN)
  41     static final class TestNode extends Node {
  42         public static final NodeClass<TestNode> TYPE = NodeClass.create(TestNode.class);
  43 
  44         @Input TestNode input;
  45         @Successor TestNode successor;
  46 
  47         protected TestNode(TestNode input, TestNode successor) {
  48             super(TYPE);
  49             this.input = input;
  50             this.successor = successor;
  51         }
  52     }
  53 
  54     @Test
  55     public void testInputNotAlive() {
  56         Graph graph = new Graph(getOptions(), getDebug());
  57         TestNode node = new TestNode(null, null);
  58         try {
  59             graph.add(new TestNode(node, null));
  60             Assert.fail("Exception expected.");
  61         } catch (AssertionError e) {
  62             Assert.assertTrue(e.getMessage().contains("Input"));
  63             Assert.assertTrue(e.getMessage().contains("not alive"));
  64         }
  65     }
  66 
  67     @Test
  68     public void testSuccessorNotAlive() {
  69         Graph graph = new Graph(getOptions(), getDebug());
  70         TestNode node = new TestNode(null, null);
  71         try {
  72             graph.add(new TestNode(null, node));
  73             Assert.fail("Exception expected.");
  74         } catch (AssertionError e) {
  75             Assert.assertTrue(e.getMessage().contains("Successor"));
  76             Assert.assertTrue(e.getMessage().contains("not alive"));
  77         }
  78     }
  79 }