UnionAssumptionTest.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package com.oracle.truffle.api.test.utilities;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

import com.oracle.truffle.api.Assumption;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.nodes.InvalidAssumptionException;
import com.oracle.truffle.api.utilities.UnionAssumption;

public class UnionAssumptionTest {

    @Test
    public void testIsValid() {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);
        assertTrue(union.isValid());
    }

    @Test
    public void testCheck() throws InvalidAssumptionException {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);
        union.check();
    }

    @Test
    public void testFirstInvalidateIsValid() {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);

        first.invalidate();

        assertFalse(union.isValid());
    }

    @Test(expected = InvalidAssumptionException.class)
    public void testFirstInvalidateCheck() throws InvalidAssumptionException {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);

        first.invalidate();

        union.check();
    }

    @Test
    public void testSecondInvalidateIsValid() {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);

        second.invalidate();

        assertFalse(union.isValid());
    }

    @Test(expected = InvalidAssumptionException.class)
    public void testSecondInvalidateCheck() throws InvalidAssumptionException {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);

        second.invalidate();

        union.check();
    }

    @Test
    public void testBothInvalidateIsValid() {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);

        first.invalidate();
        second.invalidate();

        assertFalse(union.isValid());
    }

    @Test(expected = InvalidAssumptionException.class)
    public void testBothInvalidateCheck() throws InvalidAssumptionException {
        final Assumption first = Truffle.getRuntime().createAssumption("first");
        final Assumption second = Truffle.getRuntime().createAssumption("second");
        final UnionAssumption union = new UnionAssumption(first, second);

        first.invalidate();
        second.invalidate();

        union.check();
    }

}