6927797: langtools/test/tools/javac/EarlyAssert.java fails when run with assertions enabled (-ea)

Reviewed-by: darcy

test/tools/javac/EarlyAssert.java

@@ -27,6 +27,8 @@
  * @summary Verify that assertions are enabled before the class is initialized
  * and not thereafter
  * @author gafter
+ * @build EarlyAssert EarlyAssertWrapper
+ * @run main EarlyAssertWrapper
  */
 
 /*

test/tools/javac/EarlyAssertWrapper.java

+/*
+ * Copyright 2010 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+import java.io.*;
+import java.util.*;
+
+/*
+ * Wrapper for the EarlyAssert test to run the test in a JVM without assertions
+ * enabled.
+ */
+public class EarlyAssertWrapper {
+    public static void main(String... args) throws Exception {
+        EarlyAssertWrapper w = new EarlyAssertWrapper();
+        w.run();
+    }
+
+    void run() throws Exception {
+        List<String> cmd = new ArrayList<String>();
+        File java_home = new File(System.getProperty("java.home"));
+        if (java_home.getName().equals("jre"))
+            java_home = java_home.getParentFile();
+        cmd.add(new File(new File(java_home, "bin"), "java").getPath());
+
+        // ensure we run with the same bootclasspath as this test,
+        // in case this test is being run with -Xbootclasspath
+        cmd.add("-Xbootclasspath:" + System.getProperty("sun.boot.class.path"));
+
+        // propogate classpath
+        cmd.add("-classpath");
+        cmd.add(System.getProperty("java.class.path"));
+
+        // ensure all assertions disabled in target VM
+        cmd.add("-da");
+        cmd.add("-dsa");
+
+        cmd.add("EarlyAssert");
+
+        System.err.println("Running command: " + cmd);
+
+        ProcessBuilder pb = new ProcessBuilder(cmd);
+        pb.redirectErrorStream(true);
+        Process p = pb.start();
+        p.getOutputStream().close();
+
+        StringWriter sw = new StringWriter();
+        PrintWriter pw = new PrintWriter(sw);
+
+        String line;
+        DataInputStream in = new DataInputStream(p.getInputStream());
+        try {
+        while ((line = in.readLine()) != null)
+            pw.println(line);
+        } finally {
+            in.close();
+        }
+        pw.close();
+
+        String out = sw.toString();
+        int rc = p.waitFor();
+        if (rc != 0 || out.length() > 0)
+            throw new Error("failed: rc=" + rc + (out.length() > 0 ? ": " + out : ""));
+    }
+}