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/*
* 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", ".", "--patch-module", "java.base=" + x.getAbsolutePath(),
new File(x, "E.java").getPath(),
new File(new File(new File(x, "java"), "lang"), "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;
}
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