com.oracle.truffle.tck.tests.TruffleTestAssumptions Maven / Gradle / Ivy

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package com.oracle.truffle.tck.tests;

import org.graalvm.polyglot.Engine;
import org.junit.Assume;

import java.util.regex.Pattern;

public class TruffleTestAssumptions {
    private static final boolean spawnIsolate = Boolean.getBoolean("polyglot.engine.SpawnIsolate");
    private static final boolean aot = Boolean.getBoolean("com.oracle.graalvm.isaot");

    public static void assumeWeakEncapsulation() {
        assumeNoIsolateEncapsulation();
    }

    public static void assumeNoIsolateEncapsulation() {
        Assume.assumeFalse(spawnIsolate);
    }

    public static void assumeOptimizingRuntime() {
        Assume.assumeTrue(isOptimizingRuntime());
    }

    public static void assumeFallbackRuntime() {
        Assume.assumeFalse(isOptimizingRuntime());
    }

    public static boolean isNoIsolateEncapsulation() {
        return !spawnIsolate;
    }

    private static Boolean optimizingRuntimeUsed;

    public static boolean isFallbackRuntime() {
        return !isOptimizingRuntime();
    }

    public static boolean isOptimizingRuntime() {
        Boolean optimizing = optimizingRuntimeUsed;
        if (optimizing == null) {
            try (Engine e = Engine.create()) {
                optimizingRuntimeUsed = optimizing = !e.getImplementationName().equals("Interpreted");
            }
        }
        return optimizing;
    }

    private static volatile Boolean enterpriseRuntimeUsed;

    public static boolean isEnterpriseRuntime() {
        Boolean enterprise = enterpriseRuntimeUsed;
        if (enterprise == null) {
            try (Engine e = Engine.create()) {
                enterprise = Pattern.compile("Oracle GraalVM( Isolated)?").matcher(e.getImplementationName()).matches();
                enterpriseRuntimeUsed = enterprise;
            }
        }
        return enterprise;
    }

    public static boolean isWeakEncapsulation() {
        return !isIsolateEncapsulation();
    }

    public static boolean isStrongEncapsulation() {
        return isIsolateEncapsulation();
    }

    public static boolean isIsolateEncapsulation() {
        return spawnIsolate;
    }

    public static void assumeAOT() {
        Assume.assumeTrue(aot);
    }

    public static void assumeNotAOT() {
        Assume.assumeFalse(aot);
    }

    public static boolean isAOT() {
        return aot;
    }

    public static boolean isNotAOT() {
        return !aot;
    }

}