6981737: The java.vm.specification.version property is 1.0, seems like it should be 2.0

Summary: Change property value to 1.<major_version> for major_version >= 7
Reviewed-by: dholmes, acorn

src/share/vm/runtime/arguments.cpp

@@ -116,7 +116,6 @@ void Arguments::process_sun_java_launcher_properties(JavaVMInitArgs* args) {
 // Initialize system properties key and value.
 void Arguments::init_system_properties() {
 
-  PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.version", "1.0", false));
   PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.name",
                                                                  "Java Virtual Machine Specification",  false));
   PropertyList_add(&_system_properties, new SystemProperty("java.vm.version", VM_Version::vm_release(),  false));
@@ -151,9 +150,23 @@ void Arguments::init_system_properties() {
 
   // Update/Initialize System properties after JDK version number is known
 void Arguments::init_version_specific_system_properties() {
-  PropertyList_add(&_system_properties, new SystemProperty("java.vm.specification.vendor",
-        JDK_Version::is_gte_jdk17x_version() ? "Oracle Corporation" : "Sun Microsystems Inc.", false));
-  PropertyList_add(&_system_properties, new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(),  false));
+  enum { bufsz = 16 };
+  char buffer[bufsz];
+  const char* spec_vendor = "Sun Microsystems Inc.";
+  uint32_t spec_version = 0;
+
+  if (JDK_Version::is_gte_jdk17x_version()) {
+    spec_vendor = "Oracle Corporation";
+    spec_version = JDK_Version::current().major_version();
+  }
+  jio_snprintf(buffer, bufsz, "1." UINT32_FORMAT, spec_version);
+
+  PropertyList_add(&_system_properties,
+      new SystemProperty("java.vm.specification.vendor",  spec_vendor, false));
+  PropertyList_add(&_system_properties,
+      new SystemProperty("java.vm.specification.version", buffer, false));
+  PropertyList_add(&_system_properties,
+      new SystemProperty("java.vm.vendor", VM_Version::vm_vendor(),  false));
 }
 
 /**

test/runtime/6981737/Test6981737.java

+/*
+ * Copyright (c) 2010, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test Test6981737.java
+ * @bug 6981737
+ * @summary check for correct vm properties
+ * @run main Test6981737
+ * @author kamg
+*/
+
+public class Test6981737 {
+
+    /**
+     * Check the 'vendor' properties java.vm.specification.version
+     * property.  Before jdk7, they should be "Sun Micro..." and "1.0".
+     * In jdk7 onwards they should be "Oracle..." and "1.<major_version>"
+     */
+    public static void main(String[] args) throws Exception {
+
+        String version = verifyProperty("java.version", "[0-9]+\\.[0-9]+\\..*");
+        String major_version_spec = version.split("\\.")[1];
+        int major_version = new Integer(major_version_spec).intValue();
+
+        String vendor_re = "Oracle Corporation";
+        String vm_spec_version_re = "1\\." + major_version_spec;
+        if (major_version < 7) {
+            vendor_re = "Sun Microsystems Inc\\.";
+            vm_spec_version_re = "1\\.0";
+        }
+        verifyProperty("java.vendor", vendor_re);
+        verifyProperty("java.vm.vendor", vendor_re);
+        verifyProperty("java.vm.specification.vendor", vendor_re);
+        verifyProperty("java.specification.vendor", vendor_re);
+        verifyProperty("java.vm.specification.version", vm_spec_version_re);
+        System.out.println("PASS");
+    }
+
+    public static String verifyProperty(String name, String expected_re) {
+        String value = System.getProperty(name, "");
+        System.out.print("Checking " + name + ": \"" + value +
+          "\".matches(\"" + expected_re + "\")... ");
+        if (!value.matches(expected_re)) {
+            System.out.println("no.");
+            throw new RuntimeException("FAIL: Wrong value for " + name +
+                " property, \"" + value + "\", expected to be of form: \"" +
+                expected_re + "\"");
+        }
+        System.out.println("yes.");
+        return value;
+    }
+}