/* * @test ParserTest * @summary verify that whitebox functions can be linked and executed * @run compile -J-XX:+UnlockDiagnosticVMOptions -J-XX:+WhiteBoxAPI ParserTest.java * @run main/othervm -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(); testMemorySize(); } 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 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 { //parseCommandLine will return an object array that looks like //{, ... } Object[] res = wb.parseCommandLine(cmdLine, 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 { try { wb.parseCommandLine(argument, argumentTypes); throw new Exception("Parser accepted argument: " + argument); } catch (IllegalArgumentException e) { //expected } } }