1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/script/trusted/NASHORN-653.js Thu Feb 07 17:17:29 2013 +0530
1.3 @@ -0,0 +1,104 @@
1.4 +/*
1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/**
1.28 + * NASHORN-653 : Various problems with isTerminal and dead code generation from ASM
1.29 + *
1.30 + * @test
1.31 + * @run
1.32 + */
1.33 +
1.34 +var script = " \
1.35 +function a() { \
1.36 + return true; \
1.37 +} \
1.38 + \
1.39 +function b() { \
1.40 + while (x) { \
1.41 + return true; \
1.42 + } \
1.43 +} \
1.44 + \
1.45 +function c() { \
1.46 + while (true) { \
1.47 + return true; \
1.48 + } \
1.49 + } \
1.50 + \
1.51 +function d() { \
1.52 + do { \
1.53 + return true; \
1.54 + } while (x); \
1.55 +} \
1.56 +\
1.57 +function f() { \
1.58 + for (;;) { \
1.59 + return true; \
1.60 + } \
1.61 +} \
1.62 +\
1.63 +function e() { \
1.64 + for (;;) { \
1.65 + return true; \
1.66 + } \
1.67 +} \
1.68 +\
1.69 +function g() { \
1.70 + for(;;) { \
1.71 + print('goes on and on and on ... '); \
1.72 + } \
1.73 + print('x'); \
1.74 +} \
1.75 +";
1.76 +
1.77 +function runScriptEngine(opts, code) {
1.78 + var imports = new JavaImporter(
1.79 + Packages.jdk.nashorn.api.scripting,
1.80 + java.io, java.lang, java.util);
1.81 +
1.82 + with(imports) {
1.83 + var fac = new NashornScriptEngineFactory();
1.84 + // get current System.err
1.85 + var oldErr = System.err;
1.86 + var baos = new ByteArrayOutputStream();
1.87 + var newErr = new PrintStream(baos);
1.88 + try {
1.89 + // set new standard err
1.90 + System.setErr(newErr);
1.91 + var strType = Java.type("java.lang.String");
1.92 + var engine = fac.getScriptEngine(Java.toJavaArray(opts, strType));
1.93 + engine.eval(code);
1.94 + newErr.flush();
1.95 + return new java.lang.String(baos.toByteArray());
1.96 + } finally {
1.97 + // restore System.err to old value
1.98 + System.setErr(oldErr);
1.99 + }
1.100 + }
1.101 +}
1.102 +
1.103 +var result = runScriptEngine([ "--print-code" ], script);
1.104 +
1.105 +if (result.indexOf("NOP") != -1) {
1.106 + fail("ASM genenerates NOP*/ATHROW sequences - dead code is still in the script");
1.107 +}
