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/*
* Copyright (c) 2021, Alibaba Group Holding Limited. 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
* @author Yi Yang
* @bug 8265518
* @summary C1 intrinsic support for jdk.internal.util.Preconditions.checkIndex
* @requires vm.compiler1.enabled
* @library /test/lib
* @modules java.base/jdk.internal.util
* @run main/othervm -XX:TieredStopAtLevel=1 -Xbatch
* -XX:CompileCommand=dontinline,*TestCheckIndexC1Intrinsic.check*
* -XX:CompileCommand=compileonly,*TestCheckIndexC1Intrinsic.check*
* compiler.c1.TestCheckIndexC1Intrinsic
*/
package compiler.c1;
import jdk.test.lib.Asserts;
import jdk.internal.util.Preconditions;
public class TestCheckIndexC1Intrinsic {
static int limit = 100;
private static class MyException extends RuntimeException {
public MyException(String msg) {
super(msg);
}
}
static void check0() {
long res = Preconditions.checkIndex(0, 1, null);
Asserts.assertEquals((int)res, 0);
try {
Preconditions.checkIndex(1, 1, null);
throw new AssertionError("Expected IndexOutOfBoundsException not thrown");
} catch (IndexOutOfBoundsException e) {
// got it!
}
try {
Preconditions.checkIndex(Integer.MIN_VALUE, -1, null);
throw new AssertionError("Expected IndexOutOfBoundsException not thrown");
} catch (IndexOutOfBoundsException e) {
// got it!
}
try {
Preconditions.checkIndex(Integer.MIN_VALUE, Integer.MIN_VALUE, null);
throw new AssertionError("Expected IndexOutOfBoundsException not thrown");
} catch (IndexOutOfBoundsException e) {
// got it!
}
try {
Preconditions.checkIndex(Long.MAX_VALUE, Long.MAX_VALUE, null);
throw new AssertionError("Expected IndexOutOfBoundsException not thrown");
} catch (IndexOutOfBoundsException e) {
// got it!
}
res = Preconditions.checkIndex(Long.MAX_VALUE - 1, Long.MAX_VALUE, null);
Asserts.assertEquals(res, Long.MAX_VALUE - 1);
try {
// read fields
Preconditions.checkIndex(limit + 1, limit, (s, integers) -> new MyException("Reason:" + s + "::" + integers));
throw new AssertionError("Expected IndexOutOfBoundsException not thrown");
} catch(MyException e){
// got it!
}
}
static void check1(int i) {
boolean trigger = false;
try {
Preconditions.checkIndex(i, 9999, (s, integers) -> new RuntimeException("ex"));
} catch (RuntimeException e) {
Asserts.assertTrue("ex".equals(e.getMessage()));
trigger = true;
} finally {
if (trigger) {
Asserts.assertTrue(i == 9999L);
} else {
Asserts.assertTrue(i != 9999L);
}
}
}
static void check2(long i) {
boolean trigger = false;
try {
Preconditions.checkIndex(i, 9999L, (s, integers) -> new RuntimeException("ex"));
} catch (RuntimeException e) {
Asserts.assertTrue("ex".equals(e.getMessage()));
trigger = true;
} finally {
if (trigger) {
Asserts.assertTrue(i == 9999L);
} else {
Asserts.assertTrue(i != 9999L);
}
}
}
static void check3(int i) {
boolean trigger = false;
try {
Preconditions.checkIndex(i, 9999, null);
} catch (IndexOutOfBoundsException e) {
Asserts.assertTrue(i == 9999);
trigger = true;
} finally {
if (trigger) {
Asserts.assertTrue(i == 9999L);
} else {
Asserts.assertTrue(i != 9999L);
}
}
}
static void check4(long i) {
boolean trigger = false;
try {
Preconditions.checkIndex(i, 9999L, null);
} catch (IndexOutOfBoundsException e) {
trigger = true;
} finally {
if (trigger) {
Asserts.assertTrue(i == 9999L);
} else {
Asserts.assertTrue(i != 9999L);
}
}
}
static void check5(int i) {
Preconditions.checkIndex(i, 99999, (s, integers) -> new RuntimeException("ex"));
}
static void check6(long i) {
Preconditions.checkIndex(i, 99999L, (s, integers) -> new RuntimeException("ex"));
}
static void check7(int i) {
Preconditions.checkIndex(i, 99999, null);
}
static void check8(long i) {
Preconditions.checkIndex(i, 99999L, null);
}
static void check9(int i) {
Preconditions.checkIndex(i, i + 1, null);
}
static void check10(long i) {
Preconditions.checkIndex(i, i + 1L, null);
}
public static void main(String... args) {
for (int i = 0; i < 10_000; i++) {
check0();
check1(i);
check2((long) i);
check3(i);
check4((long) i);
check5(i);
check6((long) i);
check7(i);
check8((long) i);
check9(i);
check10((long)i);
}
}
}
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