8343809: Add requires tag to mark tests that are incompatible with exploded image

Reviewed-by: alanb, dholmes

test/hotspot/jtreg/TEST.ROOT

@@ -101,6 +101,7 @@ requires.properties= \
     container.support \
     systemd.support \
     jdk.containerized \
+    jdk.explodedImage \
     jlink.runtime.linkable \
     jlink.packagedModules \
     jdk.static

test/hotspot/jtreg/runtime/getSysPackage/GetSysPkgTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2025, 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
@@ -27,6 +27,7 @@
  * @modules java.base/jdk.internal.loader
  *          java.logging
  * @requires vm.flagless
+ * @requires !jdk.explodedImage
  * @library /test/lib
  * @run driver GetSysPkgTest
  */

test/hotspot/jtreg/runtime/modules/ModulesSymLink.java

@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2025, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2019, Google Inc. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -27,6 +28,7 @@
  * @bug 8220095
  * @requires os.family == "linux" | os.family == "mac"
  * @requires vm.flagless
+ * @requires !jdk.explodedImage
  * @requires !jdk.static
  * @library /test/lib
  * @modules java.management

test/hotspot/jtreg/runtime/modules/PatchModule/PatchModuleTraceCL.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016, 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2025, 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
@@ -27,6 +27,7 @@
  * @summary Make sure -Xlog:class+load=info works properly with "modules" jimage,
             --patch-module, and with -Xbootclasspath/a
  * @requires vm.flagless
+ * @requires !jdk.explodedImage
  * @modules java.base/jdk.internal.misc
  * @library /test/lib
  * @compile PatchModuleMain.java

test/jtreg-ext/requires/VMProps.java

@@ -146,6 +146,7 @@ public class VMProps implements Callable<Map<String, String>> {
         map.put("jdk.containerized", this::jdkContainerized);
         map.put("vm.flagless", this::isFlagless);
         map.put("jdk.foreign.linker", this::jdkForeignLinker);
+        map.put("jdk.explodedImage", this::explodedImage);
         map.put("jlink.packagedModules", this::packagedModules);
         map.put("jdk.static", this::isStatic);
         vmGC(map); // vm.gc.X = true/false
@@ -751,6 +752,20 @@ public class VMProps implements Callable<Map<String, String>> {
         return "" + "true".equalsIgnoreCase(isEnabled);
     }
 
+    private String explodedImage() {
+        try {
+            Path jmodFile = Path.of(System.getProperty("java.home"), "jmods", "java.base.jmod");
+            if (Files.exists(jmodFile)) {
+                return Boolean.FALSE.toString();
+            } else {
+                return Boolean.TRUE.toString();
+            }
+        } catch (Throwable t) {
+            t.printStackTrace();
+            return errorWithMessage("Error in explodedImage " + t);
+        }
+    }
+
     private String packagedModules() {
         // Some jlink tests require packaged modules being present (jmods).
         // For a runtime linkable image build packaged modules aren't present