RFR: 8215000: tools/launcher/JliLaunchTest.java fails on Windows

[Henry Jen]

Hi,

Can I get a review of following patch?

Looks like the assumption test jdk will be in PATH is simply not true, jtreg 
doesn’t do that.
Also, this patch make sure the JDK to be tested is first in the search path.

Cheers,
Henry


diff -r 241b8151b6b6 test/jdk/tools/launcher/JliLaunchTest.java
--- a/test/jdk/tools/launcher/JliLaunchTest.java        Fri Nov 30 13:42:49 
2018 -0800
+++ b/test/jdk/tools/launcher/JliLaunchTest.java        Wed Dec 12 09:31:53 
2018 -0800
@@ -49,10 +49,12 @@
         Map<String, String> env = pb.environment();
         if (Platform.isWindows()) {
             // The DLL should be in JDK/bin
+            String libdir = 
Paths.get(Utils.TEST_JDK).resolve("bin").toAbsolutePath().toString();
+            env.compute("PATH", (k, v) -> (k == null) ? libdir : libdir + ";" 
+ v);
         } else {
             String libdir = 
Paths.get(Utils.TEST_JDK).resolve("lib").toAbsolutePath().toString();
             String LD_LIBRARY_PATH = Platform.isOSX() ? "DYLD_LIBRARY_PATH" : 
"LD_LIBRARY_PATH";
-            env.compute(LD_LIBRARY_PATH, (k, v) -> (k == null) ? libdir : v + 
":" + libdir);
+            env.compute(LD_LIBRARY_PATH, (k, v) -> (k == null) ? libdir : 
libdir + ":" + v);
         }

         OutputAnalyzer outputf = new OutputAnalyzer(pb.start());