| /* |
| * Copyright (c) 2007, 2016, 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 |
| * @modules jdk.compiler |
| * jdk.jdeps/com.sun.tools.javap |
| */ |
| |
| 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", ".", "-Xmodule:java.base", |
| 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<Object> 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; |
| } |
| |