1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  * 
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  * 
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  * 
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  * 
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * JDK-8025515: Performance issues with Source.getLine()
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 // Make sure synthetic names of anonymous functions have correct line numbers
  32 
  33 function getFirstScriptFrame(stack) {
  34     for (frameNum in stack) {
  35         var frame = stack[frameNum];
  36         if (frame.className.startsWith("jdk.nashorn.internal.scripts.Script$")) {
  37             return frame;
  38         }
  39     }
  40 }
  41 
  42 function testMethodName(f, expected) {
  43     try {
  44         f();
  45         fail("expected error");
  46     } catch (e) {
  47         var stack = e.nashornException.getStackTrace();
  48         var name = getFirstScriptFrame(stack).methodName;
  49         if (name !== expected) {
  50             fail("got " + stack[0].methodName + ", expected " + expected);
  51         }
  52     }
  53 }
  54 
  55 testMethodName(function() {
  56     return a.b.c;
  57 }, "L:55");
  58 
  59 testMethodName(function() { throw new Error() }, "L:59");
  60 
  61 var f = (function() {
  62     return function() { a.b.c; };
  63 })();
  64 testMethodName(f, "L:61$L:62");
  65 
  66 testMethodName((function() {
  67     return function() { return a.b.c; };
  68 })(), "L:66$L:67");