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test/tools/javac/6627362/T6627362.java@24a47c3062fe (annotated)

test/tools/javac/6627362/T6627362.java

Thu, 02 Oct 2008 19:58:40 -0700

author

xdono

date

Thu, 02 Oct 2008 19:58:40 -0700

changeset 117

24a47c3062fe

parent 86

3437676858e3

child 394

45301370bc5a

permissions

-rw-r--r--

6754988: Update copyright year
Summary: Update for files that have been modified starting July 2008
Reviewed-by: ohair, tbell

jjg@86	1	/*
xdono@117	2	* Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved.
jjg@86	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@86	4	*
jjg@86	5	* This code is free software; you can redistribute it and/or modify it
jjg@86	6	* under the terms of the GNU General Public License version 2 only, as
jjg@86	7	* published by the Free Software Foundation.
jjg@86	8	*
jjg@86	9	* This code is distributed in the hope that it will be useful, but WITHOUT
jjg@86	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@86	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@86	12	* version 2 for more details (a copy is included in the LICENSE file that
jjg@86	13	* accompanied this code).
jjg@86	14	*
jjg@86	15	* You should have received a copy of the GNU General Public License version
jjg@86	16	* 2 along with this work; if not, write to the Free Software Foundation,
jjg@86	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@86	18	*
jjg@86	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
jjg@86	20	* CA 95054 USA or visit www.sun.com if you need additional information or
jjg@86	21	* have any questions.
jjg@86	22	*/
jjg@86	23
jjg@86	24	/*
jjg@86	25	* @test
jjg@86	26	* @bug 6627362
jjg@86	27	* @summary javac generates code that uses array.clone,
jjg@86	28	* which is not available on JavaCard
jjg@86	29	*/
jjg@86	30
jjg@86	31	import java.io.*;
jjg@86	32	import java.lang.reflect.*;
jjg@86	33	import java.net.*;
jjg@86	34	import java.util.*;
jjg@86	35
jjg@86	36	public class T6627362 {
jjg@86	37	static String testSrc = System.getProperty("test.src", ".");
jjg@86	38
jjg@86	39	public static void main(String... args) throws Exception {
jjg@86	40	new T6627362().run();
jjg@86	41	}
jjg@86	42
jjg@86	43	public void run() throws Exception {
jjg@86	44	testStandard();
jjg@86	45	testNoClone();
jjg@86	46	if (errors > 0)
jjg@86	47	throw new Error(errors + " test cases failed");
jjg@86	48	}
jjg@86	49
jjg@86	50	void testStandard() throws Exception {
jjg@86	51	// compile and disassemble E.java, check for reference to Object.clone()
jjg@86	52	File x = new File(testSrc, "x");
jjg@86	53	String[] jcArgs = { "-d", ".",
jjg@86	54	new File(x, "E.java").getPath() };
jjg@86	55	compile(jcArgs);
jjg@86	56
jjg@86	57	String[] jpArgs = { "-classpath", ".", "-c", "E" };
jjg@86	58
jjg@86	59	StringWriter sw = new StringWriter();
jjg@86	60	javap(new PrintWriter(sw, true), jpArgs);
jjg@86	61	check(sw.toString(), "Method \"[LE;\".clone:()Ljava/lang/Object;");
jjg@86	62	callValues();
jjg@86	63	}
jjg@86	64
jjg@86	65	void testNoClone() throws Exception {
jjg@86	66	// compile and disassemble E.java, using modified Object.java,
jjg@86	67	// check for reference to System.arraycopy
jjg@86	68	File x = new File(testSrc, "x");
jjg@86	69	String[] jcArgs = { "-d", ".",
jjg@86	70	new File(x, "E.java").getPath(),
jjg@86	71	new File(x, "Object.java").getPath()};
jjg@86	72	compile(jcArgs);
jjg@86	73
jjg@86	74	String[] jpArgs = { "-classpath", ".", "-c", "E" };
jjg@86	75
jjg@86	76	StringWriter sw = new StringWriter();
jjg@86	77	javap(new PrintWriter(sw, true), jpArgs);
jjg@86	78	check(sw.toString(), "//Method java/lang/System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V");
jjg@86	79	callValues();
jjg@86	80	}
jjg@86	81
jjg@86	82	void compile(String... args) {
jjg@86	83	int rc = com.sun.tools.javac.Main.compile(args);
jjg@86	84	if (rc != 0)
jjg@86	85	throw new Error("javac failed: " + Arrays.asList(args) + ": " + rc);
jjg@86	86	}
jjg@86	87
jjg@86	88	void javap(PrintWriter out, String... args) throws Exception {
jjg@86	89	// for now, we have to exec javap
jjg@86	90	File javaHome = new File(System.getProperty("java.home"));
jjg@86	91	if (javaHome.getName().equals("jre"))
jjg@86	92	javaHome = javaHome.getParentFile();
jjg@86	93	File javap = new File(new File(javaHome, "bin"), "javap");
jjg@86	94	String[] cmd = new String[args.length + 1];
jjg@86	95	cmd[0] = javap.getPath();
jjg@86	96	System.arraycopy(args, 0, cmd, 1, args.length);
jjg@86	97	Process p = new ProcessBuilder(cmd).redirectErrorStream(true).start();
jjg@86	98	p.getOutputStream().close();
jjg@86	99	BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
jjg@86	100	String line;
jjg@86	101	while ((line = in.readLine()) != null)
jjg@86	102	out.println(line);
jjg@86	103	int rc = p.waitFor();
jjg@86	104	if (rc != 0)
jjg@86	105	throw new Error("javap failed: " + Arrays.asList(args) + ": " + rc);
jjg@86	106	}
jjg@86	107
jjg@86	108	void check(String s, String require) {
jjg@86	109	if (s.indexOf(require) == -1) {
jjg@86	110	System.err.println("Can't find " + require);
jjg@86	111	errors++;
jjg@86	112	}
jjg@86	113	}
jjg@86	114
jjg@86	115	void callValues() {
jjg@86	116	try {
jjg@86	117	File dot = new File(System.getProperty("user.dir"));
jjg@86	118	ClassLoader cl = new URLClassLoader(new URL[] { dot.toURL() });
jjg@86	119	Class<?> e_class = cl.loadClass("E");
jjg@86	120	Method m = e_class.getMethod("values", new Class[] { });
jjg@86	121	//System.err.println(m);
jjg@86	122	Object o = m.invoke(null, (Object[]) null);
jjg@86	123	List<Object> v = Arrays.asList((Object[]) o);
jjg@86	124	if (!v.toString().equals("[a, b, c]"))
jjg@86	125	throw new Error("unexpected result for E.values(): " + v);
jjg@86	126	} catch (Exception e) {
jjg@86	127	throw new Error(e);
jjg@86	128	}
jjg@86	129	}
jjg@86	130
jjg@86	131	int errors;
jjg@86	132	}
jjg@86	133