test/hotspot/jtreg/testlibrary/jittester/src/jdk/test/lib/jittester/JavaCodeGenerator.java

rev 53171 : 8158646: [jittester] generated tests may not compile by javac
Reviewed-by: duke

@@ -32,11 +32,11 @@
  */
 public class JavaCodeGenerator extends TestsGenerator {
     private static final String DEFAULT_SUFFIX = "java_tests";
 
     JavaCodeGenerator() {
-        this(DEFAULT_SUFFIX, JavaCodeGenerator::generatePrerunAction, "");
+        this(DEFAULT_SUFFIX, JavaCodeGenerator::generatePrerunAction, "-Xcomp");
     }
 
     JavaCodeGenerator(String prefix, Function<String, String[]> preRunActions, String jtDriverOptions) {
         super(prefix, preRunActions, jtDriverOptions);
     }

@@ -62,17 +62,20 @@
         ensureExisting(generatorDir);
         writeFile(generatorDir, mainClassName + ".java", code.toString());
     }
 
     private void compileJavaFile(String mainClassName) {
-        String classPath = getRoot().resolve(generatorDir)
-                                    .toAbsolutePath()
-                                    .toString();
-        ProcessBuilder pb = new ProcessBuilder(JAVAC, "-cp", classPath,
+        String classPath = tmpDir.toString();
+        ProcessBuilder pb = new ProcessBuilder(JAVAC,
+                "-d", classPath,
+                "-cp", classPath,
                 generatorDir.resolve(mainClassName + ".java").toString());
         try {
-            runProcess(pb, generatorDir.resolve(mainClassName).toString());
+            int r = runProcess(pb, tmpDir.resolve(mainClassName + ".javac").toString());
+            if (r != 0) {
+                throw new Error("Can't compile sources, exit code = " + r);
+            }
         } catch (IOException | InterruptedException e) {
             throw new Error("Can't compile sources ", e);
         }
     }