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test/script/trusted/NASHORN-653.js@b1a7da25b547 (annotated)

test/script/trusted/NASHORN-653.js

Wed, 27 Apr 2016 01:36:41 +0800

author

aoqi

date

Wed, 27 Apr 2016 01:36:41 +0800

changeset 0

b1a7da25b547

child 952

6d5471a497fb

permissions

-rw-r--r--

Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/nashorn/
changeset: 1034:4b9cc65dd24d
tag: jdk8u25-b17

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2010, 2013, 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	* NASHORN-653 : Various problems with isTerminal and dead code generation from ASM
aoqi@0	26	*
aoqi@0	27	* @test
aoqi@0	28	* @run
aoqi@0	29	*/
aoqi@0	30
aoqi@0	31	var script = " \
aoqi@0	32	function a() { \
aoqi@0	33	return true; \
aoqi@0	34	} \
aoqi@0	35	\
aoqi@0	36	function b() { \
aoqi@0	37	while (x) { \
aoqi@0	38	return true; \
aoqi@0	39	} \
aoqi@0	40	} \
aoqi@0	41	\
aoqi@0	42	function c() { \
aoqi@0	43	while (true) { \
aoqi@0	44	return true; \
aoqi@0	45	} \
aoqi@0	46	} \
aoqi@0	47	\
aoqi@0	48	function d() { \
aoqi@0	49	do { \
aoqi@0	50	return true; \
aoqi@0	51	} while (x); \
aoqi@0	52	} \
aoqi@0	53	\
aoqi@0	54	function f() { \
aoqi@0	55	for (;;) { \
aoqi@0	56	return true; \
aoqi@0	57	} \
aoqi@0	58	} \
aoqi@0	59	\
aoqi@0	60	function e() { \
aoqi@0	61	for (;;) { \
aoqi@0	62	return true; \
aoqi@0	63	} \
aoqi@0	64	} \
aoqi@0	65	\
aoqi@0	66	function g() { \
aoqi@0	67	for(;;) { \
aoqi@0	68	print('goes on and on and on ... '); \
aoqi@0	69	} \
aoqi@0	70	print('x'); \
aoqi@0	71	} \
aoqi@0	72	";
aoqi@0	73
aoqi@0	74	function runScriptEngine(opts, code) {
aoqi@0	75	var imports = new JavaImporter(
aoqi@0	76	Packages.jdk.nashorn.api.scripting,
aoqi@0	77	java.io, java.lang, java.util);
aoqi@0	78
aoqi@0	79	with(imports) {
aoqi@0	80	var fac = new NashornScriptEngineFactory();
aoqi@0	81	// get current System.err
aoqi@0	82	var oldErr = System.err;
aoqi@0	83	var baos = new ByteArrayOutputStream();
aoqi@0	84	var newErr = new PrintStream(baos);
aoqi@0	85	try {
aoqi@0	86	// set new standard err
aoqi@0	87	System.setErr(newErr);
aoqi@0	88	var engine = fac.getScriptEngine(Java.to(opts, "java.lang.String[]"));
aoqi@0	89	engine.eval(code);
aoqi@0	90	newErr.flush();
aoqi@0	91	return new java.lang.String(baos.toByteArray());
aoqi@0	92	} finally {
aoqi@0	93	// restore System.err to old value
aoqi@0	94	System.setErr(oldErr);
aoqi@0	95	}
aoqi@0	96	}
aoqi@0	97	}
aoqi@0	98
aoqi@0	99	var result = runScriptEngine([ "--print-code" ], script);
aoqi@0	100
aoqi@0	101	if (result.indexOf("NOP") != -1) {
aoqi@0	102	fail("ASM genenerates NOP*/ATHROW sequences - dead code is still in the script");
aoqi@0	103	}