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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is free software; you can redistribute it and/or modify it
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * 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).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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package com.oracle.truffle.tools.test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.io.IOException;
import java.lang.reflect.Field;

import org.junit.Test;

import com.oracle.truffle.api.instrument.Instrumenter;
import com.oracle.truffle.api.instrument.Probe;
import com.oracle.truffle.api.source.Source;
import com.oracle.truffle.api.vm.PolyglotEngine;
import com.oracle.truffle.tools.LineToProbesMap;
import com.oracle.truffle.tools.test.ToolTestUtil.ToolTestTag;

public class LineToProbesMapTest {

    @Test
    public void testNoExecution() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
        final PolyglotEngine vm = PolyglotEngine.newBuilder().build();
        final Field field = PolyglotEngine.class.getDeclaredField("instrumenter");
        field.setAccessible(true);
        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
        instrumenter.registerASTProber(new ToolTestUtil.TestASTProber());
        final Source source = ToolTestUtil.createTestSource("testNoExecution");
        final LineToProbesMap probesMap = new LineToProbesMap();
        instrumenter.install(probesMap);
        assertNull(probesMap.findFirstProbe(source.createLineLocation(1)));
        assertNull(probesMap.findFirstProbe(source.createLineLocation(2)));
        assertNull(probesMap.findFirstProbe(source.createLineLocation(3)));
        probesMap.dispose();
    }

    @Test
    public void testMapping1() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, IOException {
        final PolyglotEngine vm = PolyglotEngine.newBuilder().build();
        final Field field = PolyglotEngine.class.getDeclaredField("instrumenter");
        field.setAccessible(true);
        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
        instrumenter.registerASTProber(new ToolTestUtil.TestASTProber());
        final Source source = ToolTestUtil.createTestSource("testMapping1");
        final LineToProbesMap probesMap = new LineToProbesMap();

        assertNull(probesMap.findFirstProbe(source.createLineLocation(1)));
        assertNull(probesMap.findFirstProbe(source.createLineLocation(2)));
        assertNull(probesMap.findFirstProbe(source.createLineLocation(3)));

        // Map installed before AST gets created
        instrumenter.install(probesMap);
        assertEquals(vm.eval(source).get(), 13);

        final Probe probe1 = probesMap.findFirstProbe(source.createLineLocation(1));
        assertNotNull(probe1);
        assertTrue(probe1.isTaggedAs(ToolTestTag.VALUE_TAG));
        final Probe probe2 = probesMap.findFirstProbe(source.createLineLocation(2));
        assertNotNull(probe2);
        assertTrue(probe2.isTaggedAs(ToolTestTag.ADD_TAG));
        final Probe probe3 = probesMap.findFirstProbe(source.createLineLocation(3));
        assertNotNull(probe3);
        assertTrue(probe3.isTaggedAs(ToolTestTag.VALUE_TAG));

        probesMap.dispose();
    }

    @Test
    public void testMapping2() throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException, IOException {
        final PolyglotEngine vm = PolyglotEngine.newBuilder().build();
        final Field field = PolyglotEngine.class.getDeclaredField("instrumenter");
        field.setAccessible(true);
        final Instrumenter instrumenter = (Instrumenter) field.get(vm);
        instrumenter.registerASTProber(new ToolTestUtil.TestASTProber());
        final Source source = ToolTestUtil.createTestSource("testMapping2");
        final LineToProbesMap probesMap = new LineToProbesMap();

        assertNull(probesMap.findFirstProbe(source.createLineLocation(1)));
        assertNull(probesMap.findFirstProbe(source.createLineLocation(2)));
        assertNull(probesMap.findFirstProbe(source.createLineLocation(3)));

        // Map installed after AST gets created
        assertEquals(vm.eval(source).get(), 13);
        instrumenter.install(probesMap);

        final Probe probe1 = probesMap.findFirstProbe(source.createLineLocation(1));
        assertNotNull(probe1);
        assertTrue(probe1.isTaggedAs(ToolTestTag.VALUE_TAG));
        final Probe probe2 = probesMap.findFirstProbe(source.createLineLocation(2));
        assertNotNull(probe2);
        assertTrue(probe2.isTaggedAs(ToolTestTag.ADD_TAG));
        final Probe probe3 = probesMap.findFirstProbe(source.createLineLocation(3));
        assertNotNull(probe3);
        assertTrue(probe3.isTaggedAs(ToolTestTag.VALUE_TAG));

        probesMap.dispose();
    }
}