src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/IntegerExactExceptionTest.java
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package org.graalvm.compiler.replacements.test;
import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.junit.Test;
import jdk.vm.ci.code.InstalledCode;
import jdk.vm.ci.code.InvalidInstalledCodeException;
import jdk.vm.ci.meta.ResolvedJavaMethod;
public class IntegerExactExceptionTest extends GraalCompilerTest {
static int intCounter = 32;
public void testIntegerExactOverflowSnippet(int input) {
try {
intCounter = Math.addExact(intCounter, input);
} catch (ArithmeticException e) {
intCounter = intCounter / 2;
}
}
@Test
public void testIntegerExact() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testIntegerExactOverflowSnippet");
InstalledCode code = getCode(method);
code.executeVarargs(this, Integer.MAX_VALUE);
if (!code.isValid()) {
code = getCode(method);
code.executeVarargs(this, Integer.MAX_VALUE);
assertTrue(code.isValid());
}
}
public void testIntegerExactOverflowWithoutHandlerSnippetW(int input) {
try {
intCounter = Math.addExact(intCounter, input);
} finally {
intCounter = intCounter / 2;
}
}
@Test
public void testIntegerExactWithoutHandler() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testIntegerExactOverflowWithoutHandlerSnippetW");
InstalledCode code = getCode(method);
try {
code.executeVarargs(this, Integer.MAX_VALUE);
} catch (ArithmeticException e) {
// An ArithmeticException is expected to be thrown.
}
if (!code.isValid()) {
code = getCode(method);
try {
code.executeVarargs(this, Integer.MAX_VALUE);
} catch (ArithmeticException e) {
// An ArithmeticException is expected to be thrown.
}
assertTrue(code.isValid());
}
}
public void testIntegerExactOverflowWithoutUse1(int input) {
Math.addExact(intCounter, input);
}
public void testIntegerExactOverflowWithoutUse2(int input, boolean cond) {
if (cond) {
Math.addExact(intCounter, input);
} else {
intCounter = Math.addExact(intCounter, input);
}
}
public void testIntegerExactOverflowWithoutUse3() {
Math.addExact(Integer.MAX_VALUE, 1);
}
@Test
public void testIntegerExactWithoutUse1() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testIntegerExactOverflowWithoutUse1");
InstalledCode code = getCode(method);
boolean gotException = false;
try {
code.executeVarargs(this, Integer.MAX_VALUE);
} catch (ArithmeticException e) {
gotException = true;
}
assertTrue(gotException);
}
@Test
public void testIntegerExactWithoutUse2() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testIntegerExactOverflowWithoutUse2");
InstalledCode code = getCode(method);
boolean gotException = false;
try {
code.executeVarargs(this, Integer.MAX_VALUE, true);
} catch (ArithmeticException e) {
gotException = true;
}
assertTrue(gotException);
}
@Test
public void testIntegerExactWithoutUse3() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testIntegerExactOverflowWithoutUse3");
InstalledCode code = getCode(method);
boolean gotException = false;
try {
code.executeVarargs(this);
} catch (ArithmeticException e) {
gotException = true;
}
assertTrue(gotException);
}
static long longCounter = 10;
public void testLongExactOverflowSnippet(long input) {
try {
longCounter = Math.addExact(longCounter, input);
} catch (ArithmeticException e) {
longCounter = longCounter / 2;
}
}
@Test
public void testLongExact() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testLongExactOverflowSnippet");
InstalledCode code = getCode(method);
code.executeVarargs(this, Long.MAX_VALUE);
if (!code.isValid()) {
code = getCode(method);
code.executeVarargs(this, Long.MAX_VALUE);
assertTrue(code.isValid());
}
}
public void testLongExactWithoutHandlerSnippet(long input) {
try {
longCounter = Math.addExact(longCounter, input);
} finally {
longCounter = longCounter / 2;
}
}
@Test
public void testLongExactWithoutHandler() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testLongExactWithoutHandlerSnippet");
InstalledCode code = getCode(method);
try {
code.executeVarargs(this, Long.MAX_VALUE);
} catch (ArithmeticException e) {
// An ArithmeticException is expected to be thrown.
}
if (!code.isValid()) {
code = getCode(method);
try {
code.executeVarargs(this, Long.MAX_VALUE);
} catch (ArithmeticException e) {
// An ArithmeticException is expected to be thrown.
}
assertTrue(code.isValid());
}
}
public void testLongExactOverflowWithoutUse1(long input) {
Math.addExact(longCounter, input);
}
public void testLongExactOverflowWithoutUse2(long input, boolean cond) {
if (cond) {
Math.addExact(longCounter, input);
} else {
longCounter = Math.addExact(longCounter, input);
}
}
@Test
public void testLongExactWithoutUse1() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testLongExactOverflowWithoutUse1");
InstalledCode code = getCode(method);
boolean gotException = false;
try {
code.executeVarargs(this, Long.MAX_VALUE);
} catch (ArithmeticException e) {
gotException = true;
}
assertTrue(gotException);
}
@Test
public void testLongExactWithoutUse2() throws InvalidInstalledCodeException {
ResolvedJavaMethod method = getResolvedJavaMethod("testLongExactOverflowWithoutUse2");
InstalledCode code = getCode(method);
boolean gotException = false;
try {
code.executeVarargs(this, Long.MAX_VALUE, true);
} catch (ArithmeticException e) {
gotException = true;
}
assertTrue(gotException);
}
}