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package org.graalvm.compiler.jtt;

import java.util.Collections;
import java.util.Set;

import org.graalvm.compiler.core.test.GraalCompilerTest;
import org.graalvm.compiler.options.OptionValues;
import org.junit.Assert;

import jdk.vm.ci.meta.DeoptimizationReason;
import jdk.vm.ci.meta.ResolvedJavaMethod;

Base class for the JTT tests.

These tests are executed twice: once with arguments passed to the execution and once with the arguments bound to the test's parameters during compilation. The latter is a good test of canonicalization.

/** * Base class for the JTT tests. * <p> * These tests are executed twice: once with arguments passed to the execution and once with the * arguments bound to the test's parameters during compilation. The latter is a good test of * canonicalization. */
public class JTTTest extends GraalCompilerTest { public static final class DummyTestClass { } protected static final Set<DeoptimizationReason> EMPTY = Collections.<DeoptimizationReason> emptySet();
The arguments which, if non-null, will replace the Locals in the test method's graph.
/** * The arguments which, if non-null, will replace the Locals in the test method's graph. */
Object[] argsToBind; public JTTTest() { Assert.assertNotNull(getCodeCache()); } @Override protected Object[] getArgumentToBind() { return argsToBind; }
If non-null, then this is a test for a method returning a double value that must be within ulpDeltas of the expected value.
/** * If non-null, then this is a test for a method returning a {@code double} value that must be * within {@code ulpDelta}s of the expected value. */
protected Double ulpDelta; @Override protected void assertDeepEquals(Object expected, Object actual) { if (ulpDelta != null) { double expectedDouble = (double) expected; double actualDouble = (Double) actual; double ulp = Math.ulp(expectedDouble); double delta = ulpDelta * ulp; try { Assert.assertEquals(expectedDouble, actualDouble, delta); } catch (AssertionError e) { double diff = Math.abs(expectedDouble - actualDouble); double diffUlps = diff / ulp; throw new AssertionError(e.getMessage() + " // " + diffUlps + " ulps"); } } else { super.assertDeepEquals(expected, actual); } } protected void runTest(String name, Object... args) { runTest(getInitialOptions(), name, args); } protected void runTest(OptionValues options, String name, Object... args) { runTest(options, EMPTY, true, false, name, args); } protected void runTest(Set<DeoptimizationReason> shouldNotDeopt, String name, Object... args) { runTest(getInitialOptions(), shouldNotDeopt, true, false, name, args); } protected void runTest(OptionValues options, Set<DeoptimizationReason> shouldNotDeopt, boolean bind, boolean noProfile, String name, Object... args) { ResolvedJavaMethod method = getResolvedJavaMethod(name); Object receiver = method.isStatic() ? null : this; Result expect = executeExpected(method, receiver, args); if (noProfile) { method.reprofile(); } testAgainstExpected(options, method, expect, shouldNotDeopt, receiver, args); if (args.length > 0 && bind) { if (noProfile) { method.reprofile(); } this.argsToBind = args; testAgainstExpected(options, method, expect, shouldNotDeopt, receiver, args); this.argsToBind = null; } } }