diff -r 000000000000 -r 959103a6100f test/tools/javac/6627362/T6627362.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/6627362/T6627362.java Wed Apr 27 01:34:52 2016 +0800 @@ -0,0 +1,120 @@ +/* + * Copyright (c) 2007, 2009, 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 6627362 + * @summary javac generates code that uses array.clone, + * which is not available on JavaCard + */ + +import java.io.*; +import java.lang.reflect.*; +import java.net.*; +import java.util.*; + +public class T6627362 { + static String testSrc = System.getProperty("test.src", "."); + + public static void main(String... args) throws Exception { + new T6627362().run(); + } + + public void run() throws Exception { + testStandard(); + testNoClone(); + if (errors > 0) + throw new Error(errors + " test cases failed"); + } + + void testStandard() throws Exception { + // compile and disassemble E.java, check for reference to Object.clone() + File x = new File(testSrc, "x"); + String[] jcArgs = { "-d", ".", + new File(x, "E.java").getPath() }; + compile(jcArgs); + + String[] jpArgs = { "-classpath", ".", "-c", "E" }; + + StringWriter sw = new StringWriter(); + javap(new PrintWriter(sw, true), jpArgs); + check(sw.toString(), "Method \"[LE;\".clone:()Ljava/lang/Object;"); + callValues(); + } + + void testNoClone() throws Exception { + // compile and disassemble E.java, using modified Object.java, + // check for reference to System.arraycopy + File x = new File(testSrc, "x"); + String[] jcArgs = { "-d", ".", + new File(x, "E.java").getPath(), + new File(x, "Object.java").getPath()}; + compile(jcArgs); + + String[] jpArgs = { "-classpath", ".", "-c", "E" }; + + StringWriter sw = new StringWriter(); + javap(new PrintWriter(sw, true), jpArgs); + check(sw.toString(), "// Method java/lang/System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V"); + callValues(); + } + + void compile(String... args) { + int rc = com.sun.tools.javac.Main.compile(args); + if (rc != 0) + throw new Error("javac failed: " + Arrays.asList(args) + ": " + rc); + } + + void javap(PrintWriter out, String... args) throws Exception { + int rc = com.sun.tools.javap.Main.run(args, out); + if (rc != 0) + throw new Error("javap failed: " + Arrays.asList(args) + ": " + rc); + } + + void check(String s, String require) { + System.out.println("Checking:\n" + s); + if (s.indexOf(require) == -1) { + System.err.println("Can't find " + require); + errors++; + } + } + + void callValues() { + try { + File dot = new File(System.getProperty("user.dir")); + ClassLoader cl = new URLClassLoader(new URL[] { dot.toURL() }); + Class e_class = cl.loadClass("E"); + Method m = e_class.getMethod("values", new Class[] { }); + //System.err.println(m); + Object o = m.invoke(null, (Object[]) null); + List v = Arrays.asList((Object[]) o); + if (!v.toString().equals("[a, b, c]")) + throw new Error("unexpected result for E.values(): " + v); + } catch (Exception e) { + throw new Error(e); + } + } + + int errors; +} +