diff test/gc/arguments/TestUnrecognizedVMOptionsHandling.java @ 11070:6e3634222155

8017611: Auto corrector for mistyped vm options Summary: The auto corrector for mistyped vm options fuzzy-matches existing flags based on string similarity (Dice's coefficient). Reviewed-by: kvn, dsamersoff, hseigel, johnc
author tamao
date Fri, 28 Jun 2013 20:18:04 -0700
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/gc/arguments/TestUnrecognizedVMOptionsHandling.java	Fri Jun 28 20:18:04 2013 -0700
@@ -0,0 +1,69 @@
+/*
+* Copyright (c) 2013, 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 TestUnrecognizedVMOptionsHandling
+ * @key gc
+ * @bug 8017611
+ * @summary Tests handling unrecognized VM options
+ * @library /testlibrary
+ * @run main/othervm TestUnrecognizedVMOptionsHandling
+ */
+
+import com.oracle.java.testlibrary.*;
+
+public class TestUnrecognizedVMOptionsHandling {
+
+  public static void main(String args[]) throws Exception {
+    // The first two JAVA processes are expected to fail, but with a correct VM option suggestion
+    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+      "-XX:+PrintGc",
+      "-version"
+      );
+    OutputAnalyzer outputWithError = new OutputAnalyzer(pb.start());
+    outputWithError.shouldContain("Did you mean '(+/-)PrintGC'?");
+    if (outputWithError.getExitValue() == 0) {
+      throw new RuntimeException("Not expected to get exit value 0");
+    }
+
+    pb = ProcessTools.createJavaProcessBuilder(
+      "-XX:MaxiumHeapSize=500m",
+      "-version"
+      );
+    outputWithError = new OutputAnalyzer(pb.start());
+    outputWithError.shouldContain("Did you mean 'MaxHeapSize=<value>'?");
+    if (outputWithError.getExitValue() == 0) {
+      throw new RuntimeException("Not expected to get exit value 0");
+    }
+
+    // The last JAVA process should run successfully for the purpose of sanity check
+    pb = ProcessTools.createJavaProcessBuilder(
+      "-XX:+PrintGC",
+      "-version"
+      );
+    OutputAnalyzer outputWithNoError = new OutputAnalyzer(pb.start());
+    outputWithNoError.shouldNotContain("Did you mean '(+/-)PrintGC'?");
+    outputWithNoError.shouldHaveExitValue(0);
+  }
+}
+