8014905: [TESTBUG] Some hotspot tests should be updated to divide test jdk and compile jdk

Summary: Change JDKToolFinder to look in compile.jdk if the executable cannot be found in test.jdk
Reviewed-by: dholmes, hseigel

test/TEST.groups

@@ -72,18 +72,7 @@ needs_jdk = \
   runtime/7194254/Test7194254.java \
   runtime/jsig/Test8017498.sh \
   runtime/Metaspace/FragmentMetaspace.java \
-  runtime/NMT/BaselineWithParameter.java \
-  runtime/NMT/JcmdScale.java \
-  runtime/NMT/JcmdWithNMTDisabled.java \
-  runtime/NMT/MallocTestType.java \
   runtime/NMT/ReleaseCommittedMemory.java \
-  runtime/NMT/ShutdownTwice.java \
-  runtime/NMT/SummaryAfterShutdown.java \
-  runtime/NMT/SummarySanityCheck.java \
-  runtime/NMT/ThreadedMallocTestType.java \
-  runtime/NMT/ThreadedVirtualAllocTestType.java \
-  runtime/NMT/VirtualAllocTestType.java \
-  runtime/RedefineObject/TestRedefineObject.java \
   serviceability/attach/AttachWithStalePidFile.java
 
 # JRE adds further tests to compact3

test/gc/TestVerifyDuringStartup.java

@@ -48,7 +48,7 @@ public class TestVerifyDuringStartup {
                                              "-XX:+VerifyDuringStartup",
                                              "-version"});
 
-    System.out.print("Testing:\n" + JDKToolFinder.getCurrentJDKTool("java"));
+    System.out.print("Testing:\n" + JDKToolFinder.getJDKTool("java"));
     for (int i = 0; i < vmOpts.size(); i += 1) {
       System.out.print(" " + vmOpts.get(i));
     }

test/testlibrary/com/oracle/java/testlibrary/JDKToolFinder.java

@@ -23,7 +23,9 @@
 
 package com.oracle.java.testlibrary;
 
-import java.io.File;
+import java.io.FileNotFoundException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 
 public final class JDKToolFinder {
 
@@ -32,38 +34,73 @@ public final class JDKToolFinder {
 
     /**
      * Returns the full path to an executable in jdk/bin based on System
-     * property {@code compile.jdk} (set by jtreg test suite)
+     * property {@code test.jdk} or {@code compile.jdk} (both are set by the jtreg test suite)
      *
      * @return Full path to an executable in jdk/bin
      */
     public static String getJDKTool(String tool) {
-        String binPath = System.getProperty("compile.jdk");
-        if (binPath == null) {
-            throw new RuntimeException("System property 'compile.jdk' not set. "
-                    + "This property is normally set by jtreg. "
-                    + "When running test separately, set this property using "
-                    + "'-Dcompile.jdk=/path/to/jdk'.");
+
+        // First try to find the executable in test.jdk
+        try {
+            return getTool(tool, "test.jdk");
+        } catch (FileNotFoundException e) {
+
         }
-        binPath += File.separatorChar + "bin" + File.separatorChar + tool;
 
-        return binPath;
+        // Now see if it's available in compile.jdk
+        try {
+            return getTool(tool, "compile.jdk");
+        } catch (FileNotFoundException e) {
+            throw new RuntimeException("Failed to find " + tool +
+                    ", looked in test.jdk (" + System.getProperty("test.jdk") +
+                    ") and compile.jdk (" + System.getProperty("compile.jdk") + ")");
+        }
+    }
+
+    /**
+     * Returns the full path to an executable in jdk/bin based on System
+     * property {@code compile.jdk}
+     *
+     * @return Full path to an executable in jdk/bin
+     */
+    public static String getCompileJDKTool(String tool) {
+        try {
+            return getTool(tool, "compile.jdk");
+        } catch (FileNotFoundException e) {
+            throw new RuntimeException(e);
+        }
     }
+
     /**
-     * Returns the full path to an executable in <current jdk>/bin based
-     * on System property {@code test.jdk} (set by jtreg test suite)
+     * Returns the full path to an executable in jdk/bin based on System
+     * property {@code test.jdk}
      *
      * @return Full path to an executable in jdk/bin
      */
-    public static String getCurrentJDKTool(String tool) {
-        String binPath = System.getProperty("test.jdk");
-        if (binPath == null) {
-            throw new RuntimeException("System property 'test.jdk' not set. "
-                + "This property is normally set by jtreg. "
-                + "When running test separately, set this property using "
-                + "'-Dtest.jdk=/path/to/jdk'.");
+    public static String getTestJDKTool(String tool) {
+        try {
+            return getTool(tool, "test.jdk");
+        } catch (FileNotFoundException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static String getTool(String tool, String property) throws FileNotFoundException {
+        String jdkPath = System.getProperty(property);
+
+        if (jdkPath == null) {
+            throw new RuntimeException(
+                    "System property '" + property + "' not set. This property is normally set by jtreg. "
+                    + "When running test separately, set this property using '-D" + property + "=/path/to/jdk'.");
+        }
+
+        Path toolName = Paths.get("bin", tool + (Platform.isWindows() ? ".exe" : ""));
+
+        Path jdkTool = Paths.get(jdkPath, toolName.toString());
+        if (!jdkTool.toFile().exists()) {
+            throw new FileNotFoundException("Could not find file " + jdkTool.toAbsolutePath());
         }
-        binPath += File.separatorChar + "bin" + File.separatorChar + tool;
 
-        return binPath;
+        return jdkTool.toAbsolutePath().toString();
     }
 }