8316464: 3 sun/tools tests ignore VM flags

Reviewed-by: sspitsyn, cjplummer

Author: lmesnik

test/jdk/sun/tools/jcmd/TestProcessHelper.java

@@ -50,8 +50,9 @@
  * @test
  * @bug 8205654
  * @summary Unit test for sun.tools.ProcessHelper class. The test launches Java processes with different Java options
- * and checks that sun.tools.ProcessHelper.getMainClass(pid) method returns a correct main class.                                                                                                                               return a .
+ * and checks that sun.tools.ProcessHelper.getMainClass(pid) method returns a correct main class.
  *
+ * @requires vm.flagless
  * @requires os.family == "linux"
  * @modules jdk.jcmd/sun.tools.common:+open
  *          java.base/jdk.internal.classfile

test/jdk/sun/tools/jinfo/JInfoTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2023, 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
@@ -60,9 +60,8 @@ private static void setFlag() throws Exception {
         LingeredApp app1 = new JInfoTestLingeredApp();
         LingeredApp app2 = new JInfoTestLingeredApp();
         try {
-            String[] params = new String[0];;
-            LingeredApp.startAppExactJvmOpts(app1, params);
-            LingeredApp.startAppExactJvmOpts(app2, params);
+            LingeredApp.startApp(app1);
+            LingeredApp.startApp(app2);
             OutputAnalyzer output = jinfo("-flag", "MinHeapFreeRatio=1", "JInfoTestLingeredApp");
             output.shouldHaveExitValue(0);
             output = jinfo("-flag", "MinHeapFreeRatio", "JInfoTestLingeredApp");
@@ -89,9 +88,8 @@ private static void classNameMatch() throws Exception {
         LingeredApp app1 = new JInfoTestLingeredApp();
         LingeredApp app2 = new JInfoTestLingeredApp();
         try {
-            String[] params = new String[0];
-            LingeredApp.startAppExactJvmOpts(app1, params);
-            LingeredApp.startAppExactJvmOpts(app2, params);
+            LingeredApp.startApp(app1);
+            LingeredApp.startApp(app2);
             OutputAnalyzer output = jinfo("JInfoTestLingeredApp");
             output.shouldHaveExitValue(0);
             // "Runtime Environment" written once per proc

test/jdk/sun/tools/jstat/JStatInterval.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2014, 2023, 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
@@ -24,6 +24,7 @@
 /**
  * @test
  * @bug 8035668
+ * @requires vm.flagless
  * @library /test/lib
  * @summary Test checks case when target application finishes execution and jstat didn't complete work.
             jstat is started with interval = 100 (jstat -compiler 100) and monitored application finishes
@@ -60,9 +61,7 @@ public static void main(String[] args) {
         }
     }
     public static void main(String[] args) throws Exception {
-        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
-            "-cp",
-            System.getProperty("test.class.path"),
+        ProcessBuilder pb = ProcessTools.createTestJvm(
             "-XX:+UsePerfData",
             Application.class.getName()
         );