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7148488: Whitebox tests for the Diagnostic Framework Parser

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Reviewed-by: brutisso, sla, mgerdin
This commit is contained in:
Nils Loodin 2012-03-15 13:37:13 +01:00
parent 3693f0fe43
commit 2c07f4154e
16 changed files with 515 additions and 13 deletions
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148
hotspot/src/share/vm/prims/wbtestmethods/parserTests.cpp Normal file
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/*
* Copyright (c) 2011, 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.
*
*/
#include "precompiled.hpp"
#include "classfile/symbolTable.hpp"
#include "prims/jni.h"
#include "prims/whitebox.hpp"
#include "prims/wbtestmethods/parserTests.hpp"
#include "runtime/interfaceSupport.hpp"
#include "memory/oopFactory.hpp"
#include "services/diagnosticArgument.hpp"
#include "services/diagnosticFramework.hpp"
//There's no way of beforeahnd knowing an upper size
//Of the length of a string representation of
//the value of an argument.
#define VALUE_MAXLEN 256
// DiagnosticFramework test utility methods
/*
* The DiagnosticArgumentType class contains an enum that says which type
* this argument represents. (JLONG, BOOLEAN etc).
* This method Returns a char* representation of that enum value.
*/
static const char* lookup_diagnosticArgumentEnum(const char* field_name, oop object) {
Thread* THREAD = Thread::current();
const char* enum_sig = "Lsun/hotspot/parser/DiagnosticCommand$DiagnosticArgumentType;";
TempNewSymbol enumSigSymbol = SymbolTable::lookup(enum_sig, (int) strlen(enum_sig), THREAD);
int offset = WhiteBox::offset_for_field(field_name, object, enumSigSymbol);
oop enumOop = object->obj_field(offset);
const char* ret = WhiteBox::lookup_jstring("name", enumOop);
return ret;
}
/*
* Takes an oop to a DiagnosticArgumentType-instance and
* reads the fields from it. Fills an native DCmdParser with
* this info.
*/
static void fill_in_parser(DCmdParser* parser, oop argument)
{
const char* name = WhiteBox::lookup_jstring("name", argument);
const char* desc = WhiteBox::lookup_jstring("desc", argument);
const char* default_value = WhiteBox::lookup_jstring("defaultValue", argument);
bool mandatory = WhiteBox::lookup_bool("mandatory", argument);
const char* type = lookup_diagnosticArgumentEnum("type", argument);
if (strcmp(type, "STRING") == 0) {
DCmdArgument<char*>* argument = new DCmdArgument<char*>(
name, desc,
"STRING", mandatory, default_value);
parser->add_dcmd_option(argument);
} else if (strcmp(type, "NANOTIME") == 0) {
DCmdArgument<NanoTimeArgument>* argument = new DCmdArgument<NanoTimeArgument>(
name, desc,
"NANOTIME", mandatory, default_value);
parser->add_dcmd_option(argument);
} else if (strcmp(type, "JLONG") == 0) {
DCmdArgument<jlong>* argument = new DCmdArgument<jlong>(
name, desc,
"JLONG", mandatory, default_value);
parser->add_dcmd_option(argument);
} else if (strcmp(type, "BOOLEAN") == 0) {
DCmdArgument<bool>* argument = new DCmdArgument<bool>(
name, desc,
"BOOLEAN", mandatory, default_value);
parser->add_dcmd_option(argument);
} else if (strcmp(type, "MEMORYSIZE") == 0) {
DCmdArgument<MemorySizeArgument>* argument = new DCmdArgument<MemorySizeArgument>(
name, desc,
"MEMORY SIZE", mandatory, default_value);
parser->add_dcmd_option(argument);
} else if (strcmp(type, "STRINGARRAY") == 0) {
DCmdArgument<StringArrayArgument*>* argument = new DCmdArgument<StringArrayArgument*>(
name, desc,
"STRING SET", mandatory);
parser->add_dcmd_option(argument);
}
}
/*
* Will Fill in a java object array with alternating names of parsed command line options and
* the value that has been parsed for it:
* { name, value, name, value ... }
* This can then be checked from java.
*/
WB_ENTRY(jobjectArray, WB_ParseCommandLine(JNIEnv* env, jobject o, jstring j_cmdline, jobjectArray arguments))
ResourceMark rm;
DCmdParser parser;
const char* c_cmdline = java_lang_String::as_utf8_string(JNIHandles::resolve(j_cmdline));
objArrayOop argumentArray = objArrayOop(JNIHandles::resolve_non_null(arguments));
int length = argumentArray->length();
for (int i = 0; i < length; i++) {
oop argument_oop = argumentArray->obj_at(i);
fill_in_parser(&parser, argument_oop);
}
CmdLine cmdline(c_cmdline, strlen(c_cmdline), true);
parser.parse(&cmdline,',',CHECK_NULL);
klassOop k = SystemDictionary::Object_klass();
objArrayOop returnvalue_array = oopFactory::new_objArray(k, parser.num_arguments() * 2, CHECK_NULL);
GrowableArray<const char *>*parsedArgNames = parser.argument_name_array();
for (int i = 0; i < parser.num_arguments(); i++) {
oop parsedName = java_lang_String::create_oop_from_str(parsedArgNames->at(i), CHECK_NULL);
returnvalue_array->obj_at_put(i*2, parsedName);
GenDCmdArgument* arg = parser.lookup_dcmd_option(parsedArgNames->at(i), strlen(parsedArgNames->at(i)));
char buf[VALUE_MAXLEN];
arg->value_as_str(buf, sizeof(buf));
oop parsedValue = java_lang_String::create_oop_from_str(buf, CHECK_NULL);
returnvalue_array->obj_at_put(i*2+1, parsedValue);
}
return (jobjectArray) JNIHandles::make_local(returnvalue_array);
WB_END