jdk/test/tools/jlink/plugins/PluginOrderTest.java
changeset 36511 9d0388c6b336
child 38320 e24c7029e8ba
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/tools/jlink/plugins/PluginOrderTest.java	Thu Mar 17 19:04:16 2016 +0000
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 2015, 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
+ * @summary Test order of plugins
+ * @author Jean-Francois Denise
+ * @library ../../lib
+ * @modules java.base/jdk.internal.jimage
+ *          jdk.jdeps/com.sun.tools.classfile
+ *          jdk.jlink/jdk.tools.jlink.internal
+ *          jdk.jlink/jdk.tools.jmod
+ *          jdk.jlink/jdk.tools.jimage
+ *          jdk.compiler
+ * @build tests.*
+ * @run main/othervm PluginOrderTest
+ */
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import jdk.tools.jlink.internal.PluginOrderingGraph;
+import jdk.tools.jlink.plugin.Plugin;
+import jdk.tools.jlink.plugin.Plugin.CATEGORY;
+import jdk.tools.jlink.plugin.Pool;
+import jdk.tools.jlink.plugin.TransformerPlugin;
+
+public class PluginOrderTest {
+
+    public static void main(String[] args) throws Exception {
+
+        validGraph0();
+        validGraph1();
+
+        boolean failed = false;
+
+        try {
+            withCycles0();
+            failed = true;
+        } catch (Exception ex) {
+            //ok
+            System.err.println(ex.getMessage());
+        }
+        if (failed) {
+            throw new Exception("Should have failed");
+        }
+
+        try {
+            withCycles1();
+            failed = true;
+        } catch (Exception ex) {
+            //ok
+            System.err.println(ex.getMessage());
+        }
+        if (failed) {
+            throw new Exception("Should have failed");
+        }
+
+        try {
+            withCycles2();
+            failed = true;
+        } catch (Exception ex) {
+            //ok
+            System.err.println(ex.getMessage());
+        }
+        if (failed) {
+            throw new Exception("Should have failed");
+        }
+    }
+
+    private static void validGraph0() throws Exception {
+        Set<String> set = new HashSet<>();
+        set.add("plug2");
+        List<Plugin> plugins = new ArrayList<>();
+        plugins.add(new Plug("plug2", Collections.emptySet(), Collections.emptySet(),
+                CATEGORY.TRANSFORMER));
+        plugins.add(new Plug("plug1", set, Collections.emptySet(), CATEGORY.TRANSFORMER));
+        List<Plugin> ordered = PluginOrderingGraph.sort(plugins);
+        if (ordered.get(0) != plugins.get(1) || ordered.get(1) != plugins.get(0)) {
+            throw new Exception("Invalid sorting");
+        }
+    }
+
+    private static void validGraph1() {
+        Set<String> lst1 = new HashSet<>();
+        lst1.add("plug2");
+        lst1.add("plug3");
+        Plugin p1 = new Plug("plug1", lst1, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p2 = new Plug("plug2", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Set<String> lst3 = new HashSet<>();
+        lst3.add("plug4");
+        lst3.add("plug6");
+        Plugin p3 = new Plug("plug3", lst3, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p4 = new Plug("plug4", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Set<String> lst5 = new HashSet<>();
+        lst5.add("plug3");
+        lst5.add("plug1");
+        lst5.add("plug2");
+        lst5.add("plug6");
+        Plugin p5 = new Plug("plug5", lst5, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Set<String> lst6 = new HashSet<>();
+        lst6.add("plug4");
+        lst6.add("plug2");
+        Plugin p6 = new Plug("plug6", lst6, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p7 = new Plug("plug7", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p8 = new Plug("plug8", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        List<Plugin> plugins = new ArrayList<>();
+        plugins.add(p1);
+        plugins.add(p2);
+        plugins.add(p3);
+        plugins.add(p4);
+        plugins.add(p5);
+        plugins.add(p6);
+        plugins.add(p7);
+        plugins.add(p8);
+
+        PluginOrderingGraph.sort(plugins);
+    }
+
+    private static void withCycles0() throws Exception {
+        Set<String> set2 = new HashSet<>();
+        set2.add("plug1");
+        List<Plugin> plugins = new ArrayList<>();
+        plugins.add(new Plug("plug2", set2, Collections.emptySet(),
+                CATEGORY.TRANSFORMER));
+
+        Set<String> set1 = new HashSet<>();
+        set1.add("plug2");
+        plugins.add(new Plug("plug1", set1, Collections.emptySet(), CATEGORY.TRANSFORMER));
+        PluginOrderingGraph.sort(plugins);
+
+    }
+
+    private static void withCycles2() {
+        Set<String> lst1 = new HashSet<>();
+        lst1.add("plug2");
+        lst1.add("plug3");
+        Plugin p1 = new Plug("plug1", lst1, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p2 = new Plug("plug2", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Set<String> lst3 = new HashSet<>();
+        lst3.add("plug4");
+        lst3.add("plug6");
+        Plugin p3 = new Plug("plug3", lst3, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p4 = new Plug("plug4", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Set<String> lst5 = new HashSet<>();
+        lst5.add("plug3");
+        lst5.add("plug1");
+        lst5.add("plug2");
+        Plugin p5 = new Plug("plug5", lst5, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Set<String> lst6 = new HashSet<>();
+        lst6.add("plug4");
+        lst6.add("plug1");
+        Plugin p6 = new Plug("plug6", lst6, Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p7 = new Plug("plug7", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Plugin p8 = new Plug("plug8", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        List<Plugin> plugins = new ArrayList<>();
+        plugins.add(p1);
+        plugins.add(p2);
+        plugins.add(p3);
+        plugins.add(p4);
+        plugins.add(p5);
+        plugins.add(p6);
+        plugins.add(p7);
+        plugins.add(p8);
+        PluginOrderingGraph.sort(plugins);
+    }
+
+    private static void withCycles1() {
+        Set<String> lst1 = new HashSet<>();
+        lst1.add("plug2");
+        lst1.add("plug3");
+        Plugin p = new Plug("plug1", lst1, Collections.emptySet(), CATEGORY.TRANSFORMER);
+        Plugin p2 = new Plug("plug2", Collections.emptySet(), Collections.emptySet(), CATEGORY.TRANSFORMER);
+
+        Set<String> lst3 = new HashSet<>();
+        lst3.add("plug2");
+
+        Set<String> lst4 = new HashSet<>();
+        lst4.add("plug1");
+
+        Plugin p3 = new Plug("plug3", lst4, lst3, CATEGORY.TRANSFORMER);
+        List<Plugin> plugins = new ArrayList<>();
+        plugins.add(p);
+        plugins.add(p2);
+        plugins.add(p3);
+        PluginOrderingGraph.sort(plugins);
+    }
+
+    private static class Plug implements TransformerPlugin {
+
+        private final Set<String> isBefore;
+        private final Set<String> isAfter;
+        private final CATEGORY category;
+        private final String name;
+
+        private Plug(String name, Set<String> isBefore, Set<String> isAfter, CATEGORY category) {
+            this.name = name;
+            this.isBefore = isBefore;
+            this.isAfter = isAfter;
+            this.category = category;
+        }
+
+        @Override
+        public Set<String> isAfter() {
+            return isAfter;
+        }
+
+        @Override
+        public Set<String> isBefore() {
+            return isBefore;
+        }
+
+        @Override
+        public String toString() {
+            return name;
+        }
+
+        @Override
+        public void visit(Pool in, Pool out) {
+
+        }
+
+        @Override
+        public Set<PluginType> getType() {
+            return Collections.singleton(category);
+        }
+
+        @Override
+        public String getName() {
+            return name;
+        }
+    }
+}