src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.hotspot.test/src/org/graalvm/compiler/hotspot/test/BoxDeoptimizationTest.java
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* version 2 for more details (a copy is included in the LICENSE file that
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package org.graalvm.compiler.hotspot.test;
import static org.graalvm.compiler.serviceprovider.JavaVersionUtil.JAVA_SPEC;
import org.graalvm.compiler.api.directives.GraalDirectives;
import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Test;
public class BoxDeoptimizationTest extends GraalCompilerTest {
private static void checkJDK() {
Assume.assumeTrue(JAVA_SPEC == 8 || JAVA_SPEC >= 13);
}
public static void testIntegerSnippet() {
Object[] values = {42, -42, new Exception()};
GraalDirectives.deoptimize();
Assert.assertSame(values[0], Integer.valueOf(42));
Assert.assertSame(values[1], Integer.valueOf(-42));
}
@Test
public void testInteger() {
checkJDK();
test("testIntegerSnippet");
}
public static void testLongSnippet() {
long highBitsOnly = 2L << 40;
Object[] values = {42L, -42L, highBitsOnly, new Exception()};
GraalDirectives.deoptimize();
Assert.assertSame(values[0], Long.valueOf(42));
Assert.assertSame(values[1], Long.valueOf(-42));
Assert.assertNotSame(values[2], highBitsOnly);
}
@Test
public void testLong() {
checkJDK();
test("testLongSnippet");
}
public static void testCharSnippet() {
Object[] values = {'a', 'Z', new Exception()};
GraalDirectives.deoptimize();
Assert.assertSame(values[0], Character.valueOf('a'));
Assert.assertSame(values[1], Character.valueOf('Z'));
}
@Test
public void testChar() {
checkJDK();
test("testCharSnippet");
}
public static void testShortSnippet() {
Object[] values = {(short) 42, (short) -42, new Exception()};
GraalDirectives.deoptimize();
Assert.assertSame(values[0], Short.valueOf((short) 42));
Assert.assertSame(values[1], Short.valueOf((short) -42));
}
@Test
public void testShort() {
checkJDK();
test("testShortSnippet");
}
public static void testByteSnippet() {
Object[] values = {(byte) 42, (byte) -42, new Exception()};
GraalDirectives.deoptimize();
Assert.assertSame(values[0], Byte.valueOf((byte) 42));
Assert.assertSame(values[1], Byte.valueOf((byte) -42));
}
@Test
public void testByte() {
checkJDK();
test("testByteSnippet");
}
public static void testBooleanSnippet() {
Object[] values = {true, false, new Exception()};
GraalDirectives.deoptimize();
Assert.assertSame(values[0], Boolean.valueOf(true));
Assert.assertSame(values[1], Boolean.valueOf(false));
}
@Test
public void testBoolean() {
checkJDK();
test("testBooleanSnippet");
}
}