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109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "precompiled.hpp"
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#include "compiler/compiler_globals.hpp"
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#include "runtime/arguments.hpp"
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#include "runtime/flags/jvmFlag.hpp"
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#include "runtime/globals.hpp"
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#include "unittest.hpp"
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class LargeOptionsTest : public ::testing::Test {
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public:
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static bool test_option_value(const char* option, intx value) {
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char buffer[100];
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UnlockDiagnosticVMOptions = true;
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os::snprintf(buffer, 100, "%s=" INTX_FORMAT, option, value);
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return Arguments::parse_argument(buffer, JVMFlagOrigin::COMMAND_LINE);
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}
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static bool test_option_value(const char* option) {
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UnlockDiagnosticVMOptions = true;
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return Arguments::parse_argument(option, JVMFlagOrigin::COMMAND_LINE);
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}
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};
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#ifdef _LP64
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// CompilerDirectivesLimit is a diagnostic int option.
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TEST_VM(LARGE_OPTION, large_ints) {
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for (intx x = max_jint - 1; x <= (intx)max_jint + 1; x++) {
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bool result = LargeOptionsTest::test_option_value("CompilerDirectivesLimit", x);
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if (x > max_jint) {
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ASSERT_FALSE(result);
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} else {
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ASSERT_TRUE(result);
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ASSERT_EQ(CompilerDirectivesLimit, x);
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}
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}
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}
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TEST_VM(LARGE_OPTION, small_ints) {
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for (intx x = min_jint + 1; x >= (intx)min_jint - 1; x--) {
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bool result = LargeOptionsTest::test_option_value("CompilerDirectivesLimit", x);
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if (x < min_jint) {
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ASSERT_FALSE(result);
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} else {
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ASSERT_TRUE(result);
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ASSERT_EQ(CompilerDirectivesLimit, x);
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}
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}
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}
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TEST_VM(LARGE_OPTION, large_int_overflow) { // Test 0x100000000
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ASSERT_FALSE(LargeOptionsTest::test_option_value("CompilerDirectivesLimit", 4294967296));
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}
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#endif
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// HandshakeTimeout is a diagnostic uint option.
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TEST_VM(LARGE_OPTION, large_uints) {
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for (uintx x = max_juint - 1; x <= (uintx)max_juint + 1; x++) {
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bool result = LargeOptionsTest::test_option_value("HandshakeTimeout", x);
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if (x <= max_juint) {
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ASSERT_TRUE(result);
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ASSERT_EQ(HandshakeTimeout, x);
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} else {
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ASSERT_FALSE(result);
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}
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}
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}
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#ifdef _LP64
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// MaxJNILocalCapacity is an intx option.
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TEST_VM(LARGE_OPTION, large_intxs) {
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// max_intx + 1 equals min_intx!
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for (julong x = max_intx - 1; x <= (julong)max_intx + 1; x++) {
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ASSERT_TRUE(LargeOptionsTest::test_option_value("MaxJNILocalCapacity", x));
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ASSERT_EQ((julong)MaxJNILocalCapacity, x);
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}
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}
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TEST_VM(LARGE_OPTION, small_intxs) {
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ASSERT_TRUE(LargeOptionsTest::test_option_value("MaxJNILocalCapacity", min_intx + 1));
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ASSERT_EQ(MaxJNILocalCapacity, -9223372036854775807);
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ASSERT_TRUE(LargeOptionsTest::test_option_value("MaxJNILocalCapacity", min_intx));
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ASSERT_EQ(MaxJNILocalCapacity, min_intx);
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// Test value that's less than min_intx (-0x8000000000000001).
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ASSERT_FALSE(LargeOptionsTest::test_option_value("MaxJNILocalCapacity=-9223372036854775809"));
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}
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#endif
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