Mercurial > hg > truffle
view graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/test/StringSubstitutionsTest.java @ 15036:9806a98bcf9a
make %S format for Node emit Verbosity.All
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
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date | Tue, 08 Apr 2014 20:09:36 -0700 |
parents | faa6fda7ee36 |
children | 7b09605b29c5 |
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/* * Copyright (c) 2014, 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.graal.replacements.test; import java.lang.reflect.*; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.nodes.*; import com.oracle.graal.replacements.*; import com.oracle.graal.replacements.nodes.*; /** * Tests {@link StringSubstitutions}. */ public class StringSubstitutionsTest extends MethodSubstitutionTest { private static Object executeVarargsSafe(InstalledCode code, Object... args) { try { return code.executeVarargs(args); } catch (InvalidInstalledCodeException e) { throw new RuntimeException(e); } } private static Object invokeSafe(Method method, Object receiver, Object... args) { method.setAccessible(true); try { Object result = method.invoke(receiver, args); return result; } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { throw new RuntimeException(e); } } public void testSubstitution(String testMethodName, Class<?> intrinsicClass, Class<?> holder, String methodName, boolean optional, Object[] args1, Object[] args2) { Method realMethod = getMethod(holder, methodName); Method testMethod = getMethod(testMethodName); StructuredGraph graph = test(testMethodName); // Check to see if the resulting graph contains the expected node StructuredGraph replacement = getReplacements().getMethodSubstitution(getMetaAccess().lookupJavaMethod(realMethod)); if (replacement == null && !optional) { assertInGraph(graph, intrinsicClass); } // Force compilation InstalledCode code = getCode(getMetaAccess().lookupJavaMethod(testMethod), parse(testMethod)); assert optional || code != null; for (int i = 0; i < args1.length; i++) { Object arg1 = args1[i]; Object arg2 = args2[i]; // Verify that the original method and the substitution produce the same value assertEquals(invokeSafe(testMethod, null, arg1, arg2), invokeSafe(realMethod, arg1, arg2)); // Verify that the generated code and the original produce the same value assertEquals(executeVarargsSafe(code, arg1, arg2), invokeSafe(realMethod, arg1, arg2)); } } @Test public void testEquals() { final int n = 1000; Object[] args1 = new Object[n]; Object[] args2 = new Object[n]; // equal strings String s1 = ""; String s2 = ""; for (int i = 0; i < n / 2; i++) { args1[i] = s1; args2[i] = s2; s1 = s1 + "0"; s2 = s2 + "0"; } // non-equal strings s1 = ""; s2 = ""; for (int i = n / 2; i < n; i++) { args1[i] = s1; args2[i] = s2; s2 = s1 + "1"; s1 = s1 + "0"; } testSubstitution("stringEquals", ArrayEqualsNode.class, String.class, "equals", false, args1, args2); } @SuppressWarnings("all") public static boolean stringEquals(String a, String b) { return a.equals(b); } }