Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/TestHelper.java @ 14521:29ccc4cbabca
Merge
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Wed, 12 Mar 2014 13:30:08 +0100 |
parents | 2864cb92fa9a |
children | 5f5e2711dc24 |
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/* * Copyright (c) 2012, 2013, 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. */ package com.oracle.truffle.api.dsl.test; import static org.junit.Assert.*; import java.lang.reflect.*; import java.util.*; import com.oracle.truffle.api.*; import com.oracle.truffle.api.dsl.*; import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode; import com.oracle.truffle.api.dsl.test.TypeSystemTest.ChildrenNode; import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestArguments; import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode; import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode; /** * Utility class to provide some test helper functions. */ class TestHelper { private static ArgumentNode[] arguments(int count) { ArgumentNode[] nodes = new ArgumentNode[count]; for (int i = 0; i < nodes.length; i++) { nodes[i] = new ArgumentNode(i); } return nodes; } static <E extends ValueNode> E createNode(NodeFactory<E> factory, Object... constants) { ArgumentNode[] argumentNodes = arguments(factory.getExecutionSignature().size()); List<Object> argumentList = new ArrayList<>(); if (ChildrenNode.class.isAssignableFrom(factory.getNodeClass())) { argumentList.add(argumentNodes); } else { argumentList.addAll(Arrays.asList(argumentNodes)); } argumentList.addAll(Arrays.asList(constants)); return factory.createNode(argumentList.toArray(new Object[argumentList.size()])); } static <E extends ValueNode> E createGenericNode(NodeFactory<E> factory, Object... constants) { Method createGenericMethod; try { createGenericMethod = factory.getClass().getMethod("createGeneric", factory.getNodeClass()); } catch (NoSuchMethodException e) { throw new RuntimeException(e); } try { return factory.getNodeClass().cast(createGenericMethod.invoke(null, createNode(factory, constants))); } catch (IllegalAccessException | InvocationTargetException e) { throw new RuntimeException(e); } } static <E extends ValueNode> TestRootNode<E> createRoot(NodeFactory<E> factory, Object... constants) { return new TestRootNode<>(createNode(factory, constants)); } static <E extends ValueNode> TestRootNode<E> createGenericRoot(NodeFactory<E> factory, Object... constants) { return new TestRootNode<>(createGenericNode(factory, constants)); } static CallTarget createCallTarget(ValueNode node) { return createCallTarget(new TestRootNode<>(node)); } static CallTarget createCallTarget(TestRootNode<? extends ValueNode> node) { return Truffle.getRuntime().createCallTarget(node); } static <E> Object executeWith(TestRootNode<? extends ValueNode> node, Object... values) { return createCallTarget(node).call(new TestArguments(values)); } static Object array(Object... val) { return val; } static <E> List<List<E>> permutations(List<E> list) { return permutations(new ArrayList<E>(), list, new ArrayList<List<E>>()); } static Object[][] permutations(Object... list) { List<List<Object>> permutations = permutations(Arrays.asList(list)); Object[][] a = new Object[permutations.size()][]; int index = 0; for (List<Object> p : permutations) { a[index] = p.toArray(new Object[p.size()]); index++; } return a; } static <E> List<List<E>> permutations(List<E> prefix, List<E> suffix, List<List<E>> output) { if (suffix.size() == 1) { ArrayList<E> newElement = new ArrayList<>(prefix); newElement.addAll(suffix); output.add(newElement); return output; } for (int i = 0; i < suffix.size(); i++) { List<E> newPrefix = new ArrayList<>(prefix); newPrefix.add(suffix.get(i)); List<E> newSuffix = new ArrayList<>(suffix); newSuffix.remove(i); permutations(newPrefix, newSuffix, output); } return output; } /* Methods tests all test values in combinational order. */ static void assertRuns(NodeFactory<? extends ValueNode> factory, Object result, Object... testValues) { // test each run by its own. for (int i = 0; i < testValues.length; i++) { assertValue(createRoot(factory), result, testValues); } // test all combinations of the test values List<List<Object>> permuts = permutations(Arrays.asList(testValues)); for (List<Object> list : permuts) { TestRootNode<?> root = createRoot(factory); for (Object object : list) { assertValue(root, result, object); } } } static void assertValue(TestRootNode<? extends ValueNode> root, Object result, Object testValues) { if (testValues instanceof Object[]) { assertEquals(result, executeWith(root, (Object[]) testValues)); } else { assertEquals(result, executeWith(root, testValues)); } } }