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test/tools/javac/6627362/T6627362.java@959103a6100f (annotated)

test/tools/javac/6627362/T6627362.java

Wed, 27 Apr 2016 01:34:52 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:34:52 +0800

changeset 0

959103a6100f

child 2525

2eb010b6cb22

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2007, 2009, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23
aoqi@0	24	/*
aoqi@0	25	* @test
aoqi@0	26	* @bug 6627362
aoqi@0	27	* @summary javac generates code that uses array.clone,
aoqi@0	28	* which is not available on JavaCard
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	import java.io.*;
aoqi@0	32	import java.lang.reflect.*;
aoqi@0	33	import java.net.*;
aoqi@0	34	import java.util.*;
aoqi@0	35
aoqi@0	36	public class T6627362 {
aoqi@0	37	static String testSrc = System.getProperty("test.src", ".");
aoqi@0	38
aoqi@0	39	public static void main(String... args) throws Exception {
aoqi@0	40	new T6627362().run();
aoqi@0	41	}
aoqi@0	42
aoqi@0	43	public void run() throws Exception {
aoqi@0	44	testStandard();
aoqi@0	45	testNoClone();
aoqi@0	46	if (errors > 0)
aoqi@0	47	throw new Error(errors + " test cases failed");
aoqi@0	48	}
aoqi@0	49
aoqi@0	50	void testStandard() throws Exception {
aoqi@0	51	// compile and disassemble E.java, check for reference to Object.clone()
aoqi@0	52	File x = new File(testSrc, "x");
aoqi@0	53	String[] jcArgs = { "-d", ".",
aoqi@0	54	new File(x, "E.java").getPath() };
aoqi@0	55	compile(jcArgs);
aoqi@0	56
aoqi@0	57	String[] jpArgs = { "-classpath", ".", "-c", "E" };
aoqi@0	58
aoqi@0	59	StringWriter sw = new StringWriter();
aoqi@0	60	javap(new PrintWriter(sw, true), jpArgs);
aoqi@0	61	check(sw.toString(), "Method \"[LE;\".clone:()Ljava/lang/Object;");
aoqi@0	62	callValues();
aoqi@0	63	}
aoqi@0	64
aoqi@0	65	void testNoClone() throws Exception {
aoqi@0	66	// compile and disassemble E.java, using modified Object.java,
aoqi@0	67	// check for reference to System.arraycopy
aoqi@0	68	File x = new File(testSrc, "x");
aoqi@0	69	String[] jcArgs = { "-d", ".",
aoqi@0	70	new File(x, "E.java").getPath(),
aoqi@0	71	new File(x, "Object.java").getPath()};
aoqi@0	72	compile(jcArgs);
aoqi@0	73
aoqi@0	74	String[] jpArgs = { "-classpath", ".", "-c", "E" };
aoqi@0	75
aoqi@0	76	StringWriter sw = new StringWriter();
aoqi@0	77	javap(new PrintWriter(sw, true), jpArgs);
aoqi@0	78	check(sw.toString(), "// Method java/lang/System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V");
aoqi@0	79	callValues();
aoqi@0	80	}
aoqi@0	81
aoqi@0	82	void compile(String... args) {
aoqi@0	83	int rc = com.sun.tools.javac.Main.compile(args);
aoqi@0	84	if (rc != 0)
aoqi@0	85	throw new Error("javac failed: " + Arrays.asList(args) + ": " + rc);
aoqi@0	86	}
aoqi@0	87
aoqi@0	88	void javap(PrintWriter out, String... args) throws Exception {
aoqi@0	89	int rc = com.sun.tools.javap.Main.run(args, out);
aoqi@0	90	if (rc != 0)
aoqi@0	91	throw new Error("javap failed: " + Arrays.asList(args) + ": " + rc);
aoqi@0	92	}
aoqi@0	93
aoqi@0	94	void check(String s, String require) {
aoqi@0	95	System.out.println("Checking:\n" + s);
aoqi@0	96	if (s.indexOf(require) == -1) {
aoqi@0	97	System.err.println("Can't find " + require);
aoqi@0	98	errors++;
aoqi@0	99	}
aoqi@0	100	}
aoqi@0	101
aoqi@0	102	void callValues() {
aoqi@0	103	try {
aoqi@0	104	File dot = new File(System.getProperty("user.dir"));
aoqi@0	105	ClassLoader cl = new URLClassLoader(new URL[] { dot.toURL() });
aoqi@0	106	Class<?> e_class = cl.loadClass("E");
aoqi@0	107	Method m = e_class.getMethod("values", new Class[] { });
aoqi@0	108	//System.err.println(m);
aoqi@0	109	Object o = m.invoke(null, (Object[]) null);
aoqi@0	110	List<Object> v = Arrays.asList((Object[]) o);
aoqi@0	111	if (!v.toString().equals("[a, b, c]"))
aoqi@0	112	throw new Error("unexpected result for E.values(): " + v);
aoqi@0	113	} catch (Exception e) {
aoqi@0	114	throw new Error(e);
aoqi@0	115	}
aoqi@0	116	}
aoqi@0	117
aoqi@0	118	int errors;
aoqi@0	119	}
aoqi@0	120