Examples with Env com.oracle.truffle.api.TruffleLanguage.Env used on opensource projects

Example 6 with Env

use of com.oracle.truffle.api.TruffleLanguage.Env in project graal by oracle.

the class LanguageSPITest method testContextCloseInsideFromSameThreadCancelExecution.

@Test
public void testContextCloseInsideFromSameThreadCancelExecution() {
    Engine engine = Engine.create();
    langContext = null;
    Context context = Context.newBuilder(LanguageSPITestLanguage.ID).engine(engine).build();
    eval(context, new Function<Env, Object>() {

        public Object apply(Env t) {
            context.close(true);
            return null;
        }
    });
    engine.close();
    assertEquals(1, langContext.disposeCalled);
}

Example 7 with Env

use of com.oracle.truffle.api.TruffleLanguage.Env in project graal by oracle.

the class LanguageSPITest method testLookupHostDisabled.

@Test
public void testLookupHostDisabled() {
    Context context = Context.newBuilder().allowHostAccess(false).build();
    try {
        eval(context, new Function<Env, Object>() {

            public Object apply(Env t) {
                return t.lookupHostSymbol("java.util.HashMap");
            }
        });
        fail();
    } catch (PolyglotException e) {
        assertTrue(!e.isInternalError());
    }
    context.close();
}

Example 8 with Env

use of com.oracle.truffle.api.TruffleLanguage.Env in project graal by oracle.

the class LanguageSPITest method testCreateContextDuringDispose.

@Test
public void testCreateContextDuringDispose() {
    AtomicBoolean contextOnFinalize = new AtomicBoolean(true);
    AtomicBoolean contextOnDispose = new AtomicBoolean(false);
    ProxyLanguage.setDelegate(new ProxyLanguage() {

        @Override
        protected LanguageContext createContext(Env env) {
            return new LanguageContext(env);
        }

        @Override
        protected void finalizeContext(LanguageContext context) {
            if (contextOnFinalize.get()) {
                context.env.newContextBuilder().build();
            }
        }

        @Override
        protected void disposeContext(LanguageContext context) {
            if (contextOnDispose.get()) {
                context.env.newContextBuilder().build();
            }
        }
    });
    Context c = Context.create();
    c.initialize(ProxyLanguage.ID);
    // Fails on finalize
    testFails(() -> {
        c.close();
    });
    contextOnFinalize.set(false);
    contextOnDispose.set(true);
    // Fails on dispose
    testFails(() -> {
        c.close();
    });
    // clean up the context
    contextOnDispose.set(false);
    c.close();
}

Example 9 with Env

use of com.oracle.truffle.api.TruffleLanguage.Env in project graal by oracle.

the class MultiThreadedLanguageTest method testAsssertionIfThreadStillActive.

@Test
public void testAsssertionIfThreadStillActive() throws InterruptedException {
    MultiThreadedLanguage.isThreadAccessAllowed = (req) -> {
        return true;
    };
    Engine engine = Engine.create();
    Context context = Context.newBuilder().allowCreateThread(true).engine(engine).build();
    Semaphore wait = new Semaphore(0);
    Thread returnThread = eval(context, new Function<Env, Object>() {

        public Object apply(Env env) {
            Semaphore waitForEnter = new Semaphore(0);
            Thread t = env.createThread(() -> {
                try {
                    waitForEnter.release();
                    wait.acquire();
                } catch (InterruptedException e) {
                }
            });
            t.start();
            try {
                waitForEnter.acquire();
            } catch (InterruptedException e) {
            }
            return t;
        }
    }).asHostObject();
    try {
        engine.close();
        Assert.fail();
    } catch (PolyglotException e) {
        assertTrue(e.isInternalError());
        assertTrue(e.getMessage().contains("The language did not complete all polyglot threads but should have"));
    }
    wait.release(1);
    returnThread.join();
    engine.close();
}

Example 10 with Env

use of com.oracle.truffle.api.TruffleLanguage.Env in project graal by oracle.

the class VirtualizedFileSystemTest method testReadUsingChannel.

@Test
public void testReadUsingChannel() {
    final Context ctx = cfg.getContext();
    final Path path = cfg.getPath();
    final boolean canRead = cfg.canRead();
    languageAction = (Env env) -> {
        final TruffleFile root = cfg.needsURI() ? env.getTruffleFile(path.toUri()) : env.getTruffleFile(path.toString());
        try {
            final TruffleFile file = root.resolve(FOLDER_EXISTING).resolve(FILE_EXISTING);
            final String content = new String(file.readAllBytes(), StandardCharsets.UTF_8);
            Assert.assertTrue(cfg.formatErrorMessage("Expected SecurityException"), canRead);
            Assert.assertEquals(cfg.formatErrorMessage("Expected file content"), FILE_EXISTING_CONTENT, content);
        } catch (SecurityException se) {
            Assert.assertFalse(cfg.formatErrorMessage("Unexpected SecurityException"), canRead);
        } catch (IOException ioe) {
            throw new AssertionError(cfg.formatErrorMessage(ioe.getMessage()), ioe);
        }
    };
    ctx.eval(LANGAUGE_ID, "");
}