test/hotspot/jtreg/serviceability/ParserTest.java
changeset 47216 71c04702a3d5
parent 40631 ed82623d7831
child 48791 6e079ff6c83c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/ParserTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,224 @@
+/*
+ * Copyright (c) 2012, 2016, 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
+ * @summary Test that the diagnostic command arguemnt parser works
+ * @modules java.base/jdk.internal.misc
+ * @library /test/lib
+ * @build sun.hotspot.WhiteBox
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ *                              sun.hotspot.WhiteBox$WhiteBoxPermission
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ParserTest
+ */
+
+import java.math.BigInteger;
+
+import sun.hotspot.parser.DiagnosticCommand;
+import sun.hotspot.parser.DiagnosticCommand.DiagnosticArgumentType;
+import sun.hotspot.WhiteBox;
+
+public class ParserTest {
+    WhiteBox wb;
+
+    public ParserTest() throws Exception {
+        wb = WhiteBox.getWhiteBox();
+
+        testNanoTime();
+        testJLong();
+        testBool();
+        testQuotes();
+        testMemorySize();
+        testSingleLetterArg();
+    }
+
+    public static void main(String... args) throws Exception  {
+         new ParserTest();
+    }
+
+    public void testNanoTime() throws Exception {
+        String name = "name";
+        DiagnosticCommand arg = new DiagnosticCommand(name,
+                "desc", DiagnosticArgumentType.NANOTIME,
+                false, "0");
+        DiagnosticCommand[] args = {arg};
+
+        BigInteger bi = new BigInteger("7");
+        //These should work
+        parse(name, bi.toString(), name + "=7ns", args);
+
+        bi = bi.multiply(BigInteger.valueOf(1000));
+        parse(name, bi.toString(), name + "=7us", args);
+
+        bi = bi.multiply(BigInteger.valueOf(1000));
+        parse(name, bi.toString(), name + "=7ms", args);
+
+        bi = bi.multiply(BigInteger.valueOf(1000));
+        parse(name, bi.toString(), name + "=7s", args);
+
+        bi = bi.multiply(BigInteger.valueOf(60));
+        parse(name, bi.toString() , name + "=7m", args);
+
+        bi = bi.multiply(BigInteger.valueOf(60));
+        parse(name, bi.toString() , name + "=7h", args);
+
+        bi = bi.multiply(BigInteger.valueOf(24));
+        parse(name, bi.toString() , name + "=7d", args);
+
+        parse(name, "0", name + "=0", args);
+
+        shouldFail(name + "=7xs", args);
+        shouldFail(name + "=7mms", args);
+        shouldFail(name + "=7f", args);
+        //Currently, only value 0 is allowed without unit
+        shouldFail(name + "=7", args);
+    }
+
+    public void testJLong() throws Exception {
+        String name = "name";
+        DiagnosticCommand arg = new DiagnosticCommand(name,
+                "desc", DiagnosticArgumentType.JLONG,
+                false, "0");
+        DiagnosticCommand[] args = {arg};
+
+        wb.parseCommandLine(name + "=10", ',', args);
+        parse(name, "10", name + "=10", args);
+        parse(name, "-5", name + "=-5", args);
+
+        //shouldFail(name + "=12m", args); <-- should fail, doesn't
+    }
+
+    public void testBool() throws Exception {
+        String name = "name";
+        DiagnosticCommand arg = new DiagnosticCommand(name,
+                "desc", DiagnosticArgumentType.BOOLEAN,
+                false, "false");
+        DiagnosticCommand[] args = {arg};
+
+        parse(name, "true", name + "=true", args);
+        parse(name, "false", name + "=false", args);
+        parse(name, "true", name, args);
+
+        //Empty commandline to parse, tests default value
+        //of the parameter "name"
+        parse(name, "false", "", args);
+    }
+
+    public void testQuotes() throws Exception {
+        String name = "name";
+        DiagnosticCommand arg1 = new DiagnosticCommand(name,
+                "desc", DiagnosticArgumentType.STRING,
+                false, null);
+        DiagnosticCommand arg2 = new DiagnosticCommand("arg",
+                "desc", DiagnosticArgumentType.STRING,
+                false, null);
+        DiagnosticCommand[] args = {arg1, arg2};
+
+        // try with a quoted value
+        parse(name, "Recording 1", name + "=\"Recording 1\"", args);
+        // try with a quoted argument
+        parse(name, "myrec", "\"" + name + "\"" + "=myrec", args);
+        // try with both a quoted value and a quoted argument
+        parse(name, "Recording 1", "\"" + name + "\"" + "=\"Recording 1\"", args);
+
+        // now the same thing but with other arguments after
+
+        // try with a quoted value
+        parse(name, "Recording 1", name + "=\"Recording 1\",arg=value", args);
+        // try with a quoted argument
+        parse(name, "myrec", "\"" + name + "\"" + "=myrec,arg=value", args);
+        // try with both a quoted value and a quoted argument
+        parse(name, "Recording 1", "\"" + name + "\"" + "=\"Recording 1\",arg=value", args);
+    }
+
+    public void testSingleLetterArg() throws Exception {
+        DiagnosticCommand[] args = new DiagnosticCommand[]{
+            new DiagnosticCommand("flag", "desc", DiagnosticArgumentType.STRING, true, false, null),
+            new DiagnosticCommand("value", "desc", DiagnosticArgumentType.STRING, true, false, null)
+        };
+        parse("flag", "flag", "flag v", ' ', args);
+        parse("value", "v", "flag v", ' ', args);
+    }
+
+    public void testMemorySize() throws Exception {
+        String name = "name";
+        String defaultValue = "1024";
+        DiagnosticCommand arg = new DiagnosticCommand(name,
+                "desc", DiagnosticArgumentType.MEMORYSIZE,
+                false, defaultValue);
+        DiagnosticCommand[] args = {arg};
+
+        BigInteger bi = new BigInteger("7");
+        parse(name, bi.toString(), name + "=7b", args);
+
+        bi = bi.multiply(BigInteger.valueOf(1024));
+        parse(name, bi.toString(), name + "=7k", args);
+
+        bi = bi.multiply(BigInteger.valueOf(1024));
+        parse(name, bi.toString(), name + "=7m", args);
+
+        bi = bi.multiply(BigInteger.valueOf(1024));
+        parse(name, bi.toString(), name + "=7g", args);
+        parse(name, defaultValue, "", args);
+
+        //shouldFail(name + "=7gg", args); <---- should fail, doesn't
+        //shouldFail(name + "=7t", args);  <----- should fail, doesn't
+    }
+
+    public void parse(String searchName, String expectedValue,
+            String cmdLine, DiagnosticCommand[] argumentTypes) throws Exception {
+        parse(searchName, expectedValue, cmdLine, ',', argumentTypes);
+    }
+    public void parse(String searchName, String expectedValue,
+            String cmdLine, char delim, DiagnosticCommand[] argumentTypes) throws Exception {
+        //parseCommandLine will return an object array that looks like
+        //{<name of parsed object>, <of parsed object> ... }
+        Object[] res = wb.parseCommandLine(cmdLine, delim, argumentTypes);
+        for (int i = 0; i < res.length-1; i+=2) {
+            String parsedName = (String) res[i];
+            if (searchName.equals(parsedName)) {
+                String parsedValue = (String) res[i+1];
+                if (expectedValue.equals(parsedValue)) {
+                    return;
+                } else {
+                    throw new Exception("Parsing of cmdline '" + cmdLine + "' failed!\n"
+                            + searchName + " parsed as " + parsedValue
+                            + "! Expected: " + expectedValue);
+                }
+            }
+        }
+        throw new Exception(searchName + " not found as a parsed Argument!");
+    }
+
+    private void shouldFail(String argument, DiagnosticCommand[] argumentTypes) throws Exception {
+        shouldFail(argument, ',', argumentTypes);
+    }
+    private void shouldFail(String argument, char delim, DiagnosticCommand[] argumentTypes) throws Exception {
+        try {
+            wb.parseCommandLine(argument, delim, argumentTypes);
+            throw new Exception("Parser accepted argument: " + argument);
+        } catch (IllegalArgumentException e) {
+            //expected
+        }
+    }
+}