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/*
* Copyright (c) 2010, 2013, 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.
*/
/**
* NASHORN-653 : Various problems with isTerminal and dead code generation from ASM
*
* @test
* @run
*/
var script = " \
function a() { \
return true; \
} \
\
function b() { \
while (x) { \
return true; \
} \
} \
\
function c() { \
while (true) { \
return true; \
} \
} \
\
function d() { \
do { \
return true; \
} while (x); \
} \
\
function f() { \
for (;;) { \
return true; \
} \
} \
\
function e() { \
for (;;) { \
return true; \
} \
} \
\
function g() { \
for(;;) { \
print('goes on and on and on ... '); \
} \
print('x'); \
} \
";
function runScriptEngine(opts, code) {
var imports = new JavaImporter(
Packages.jdk.nashorn.api.scripting,
java.io, java.lang, java.util);
with(imports) {
var fac = new NashornScriptEngineFactory();
// get current System.err
var oldErr = System.err;
var baos = new ByteArrayOutputStream();
var newErr = new PrintStream(baos);
try {
// set new standard err
System.setErr(newErr);
var engine = fac.getScriptEngine(Java.to(opts, "java.lang.String[]"));
engine.eval(code);
newErr.flush();
return new java.lang.String(baos.toByteArray());
} finally {
// restore System.err to old value
System.setErr(oldErr);
}
}
}
var result = runScriptEngine([ "--print-code" ], script);
if (result.indexOf("NOP") != -1) {
fail("ASM genenerates NOP*/ATHROW sequences - dead code is still in the script");
}
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