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package com.oracle.truffle.llvm.tests.interop;

import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;

import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.llvm.tests.interop.values.BoxedStringValue;
import com.oracle.truffle.tck.TruffleRunner;
import com.oracle.truffle.tck.TruffleRunner.Inject;
import org.graalvm.polyglot.Value;

@RunWith(TruffleRunner.class)
public class PolyglotScopeTest extends InteropTestBase {

    private static Object testLibrary;

    @BeforeClass
    public static void loadTestBitcode() {
        testLibrary = loadTestBitcodeInternal("polyglotScopeTest.c");
    }

    public static class TestImportConstNode extends SulongTestNode {

        public TestImportConstNode() {
            super(testLibrary, "test_import_const");
        }
    }

    @Test
    public void testImportConst(@Inject(TestImportConstNode.class) CallTarget testImport) {
        String value = "testImportConstValue";
        runWithPolyglot.getPolyglotContext().getPolyglotBindings().putMember("constName", value);
        Object ret = testImport.call();
        Assert.assertEquals(value, ret);
    }

    public static class TestImportExistsNode extends SulongTestNode {

        public TestImportExistsNode() {
            super(testLibrary, "test_import_exists");
        }
    }

    @Test
    public void testImportFound(@Inject(TestImportExistsNode.class) CallTarget testImportExists) {
        runWithPolyglot.getPolyglotContext().getPolyglotBindings().putMember("existing_name", "value");
        Object ret = testImportExists.call("existing_name");
        Value retValue = runWithPolyglot.getPolyglotContext().asValue(ret);
        Assert.assertTrue("exists", retValue.asBoolean());
    }

    @Test
    public void testImportNotFound(@Inject(TestImportExistsNode.class) CallTarget testImportExists) {
        Object ret = testImportExists.call("not_existing_name");
        Value retValue = runWithPolyglot.getPolyglotContext().asValue(ret);
        Assert.assertFalse("exists", retValue.asBoolean());
    }

    public static class TestImportVarNode extends SulongTestNode {

        public TestImportVarNode() {
            super(testLibrary, "test_import_var");
        }
    }

    @Test
    public void testImportVar(@Inject(TestImportVarNode.class) CallTarget testImport) {
        String value = "testImportVarValue";
        runWithPolyglot.getPolyglotContext().getPolyglotBindings().putMember("varName", value);
        Object ret = testImport.call("varName");
        Assert.assertEquals(value, ret);
    }

    @Test
    public void testImportBoxed(@Inject(TestImportVarNode.class) CallTarget testImport) {
        String value = "testImportBoxedValue";
        runWithPolyglot.getPolyglotContext().getPolyglotBindings().putMember("boxedName", value);
        Object ret = testImport.call(new BoxedStringValue("boxedName"));
        Assert.assertEquals(value, ret);
    }

    public static class TestExportNode extends SulongTestNode {

        public TestExportNode() {
            super(testLibrary, "test_export");
        }
    }

    @Test
    public void testExport(@Inject(TestExportNode.class) CallTarget testExport) {
        runWithPolyglot.getPolyglotContext().getPolyglotBindings().removeMember("exportName");
        testExport.call("exportName");
    }
}