8138906: [TEST_BUG] Test test/script/trusted/JDK-8087292.js intermittently fails

Reviewed-by: hannesw, mhaupt

nashorn/test/script/trusted/JDK-8087292.js

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2016, 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
@@ -29,26 +29,58 @@
  * @run
  */
 
+load(__DIR__ + "JDK-util.js")
+
+var jHomePath = System.getenv("JAVA_HOME")
+var jLauncher = "${jHomePath}/bin/java"
+var altjLauncher = which('java')
+
+if (windows) {
+    if(winCyg) {
+        jLauncher = "${jHomePath}" + "/bin/java.exe"
+        jLauncher = cygpath(jLauncher,outPath.windows) 
+    }
+    else {
+        jLauncher = "${jHomePath}" + "\\bin\\java.exe"
+        altjLauncher = which('java.exe')
+        altjLauncher = cygpath(altjLauncher,outPath.windows)
+    }
+}
+
+function exists(f) {
+    return Files.exists(Paths.get(f))
+}
+
+var javaLauncher = exists(jLauncher) ? jLauncher : altjLauncher
+
+
+if (!exists(javaLauncher)) {
+    throw "no java launcher found; tried ${jLauncher} and ${altjLauncher}"
+}
+
 function tryExec() {
     try {
-        `java`
+	$EXEC("${javaLauncher}")
     } catch (e) {
-        print(e);
+      print(e)
     }
 
     // make sure we got non-zero ("failure") exit code!
     if ($EXIT == 0) {
-        print("Error: expected $EXIT code to be non-zero");
+        print("Error: expected $EXIT code to be non-zero")
     }
 }
+//convert windows paths to cygwin
+if (windows)
+    javaLauncher = (winCyg) ? cygpath(javaLauncher,outPath.mixed).trim() : cygpath(javaLauncher,outPath.windows).trim()
 
 // no exception now!
-tryExec();
+tryExec()
 
 // turn on error with non-zero exit code
-$ENV.JJS_THROW_ON_EXIT = "1";
-tryExec();
+$ENV.JJS_THROW_ON_EXIT = "1"
+tryExec()
 
 // no exception after this
-$ENV.JJS_THROW_ON_EXIT = "0";
-tryExec();
+$ENV.JJS_THROW_ON_EXIT = "0"
+tryExec()

nashorn/test/script/trusted/JDK-util.js

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2016, 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.
+ */
+
+/**
+ * This file contains utility functions used by other tests.
+ * @subtest
+ */
+
+var Files = Java.type('java.nio.file.Files'),
+    Paths = Java.type('java.nio.file.Paths'),
+    System = Java.type('java.lang.System')
+
+var File = java.io.File
+var windows = System.getProperty("os.name").startsWith("Windows")
+var winCyg = false
+
+var outPath = {
+    windows:0, //C:\dir
+    mixed:1    //C:/dir
+}
+
+if (windows) {
+    //Is there any better way to diffrentiate between cygwin/command prompt on windows
+    var term = System.getenv("TERM")
+    winCyg = term ? true:false
+}
+
+/**
+ * Returns which command is selected from PATH
+ * @param cmd name of the command searched from PATH
+ */
+function which(cmd) {
+    var path = System.getenv("PATH")
+    var st = new java.util.StringTokenizer(path, File.pathSeparator)
+    while (st.hasMoreTokens()) {
+        var file = new File(st.nextToken(), cmd)
+        if (file.exists()) {
+            return (file.getAbsolutePath())
+        }
+    }
+}
+
+/**
+ * Unix cygpath implementation
+ * Supports only two outputs,windows(C:\dir\) and mixed(C:/dir/)
+ */
+function cygpath(path,mode) {
+   
+    var newpath = path
+    if(path.startsWith("/cygdrive/")){
+        var str = path.substring(10)
+        var index = str.indexOf('/',0)
+        var drv = str.substring(0,index)
+        var rstr = drv.toUpperCase() + ":"
+        newpath = str.replaceFirst(drv,rstr)
+    }
+    if (mode == outPath.windows)
+        return Paths.get(newpath).toString()
+    else {
+        newpath = newpath.replaceAll('\\\\','/')
+        return newpath
+    }                   
+
+}
+