Package com.facebook.presto.byteCode.expression

Source Code of com.facebook.presto.byteCode.expression.TestSetVariableByteCodeExpression

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.byteCode.expression;

import com.facebook.presto.byteCode.Block;
import com.facebook.presto.byteCode.CompilerContext;
import com.facebook.presto.byteCode.Variable;
import org.testng.annotations.Test;

import java.awt.Point;

import static com.facebook.presto.byteCode.ParameterizedType.type;
import static com.facebook.presto.byteCode.expression.ByteCodeExpressionAssertions.assertByteCodeNode;
import static com.facebook.presto.byteCode.expression.ByteCodeExpressions.constantInt;
import static com.facebook.presto.byteCode.expression.ByteCodeExpressions.newInstance;
import static com.facebook.presto.sql.gen.Bootstrap.BOOTSTRAP_METHOD;
import static org.testng.Assert.assertEquals;

public class TestSetVariableByteCodeExpression
{
    @Test
    public void testGetField()
            throws Exception
    {
        CompilerContext context = new CompilerContext(BOOTSTRAP_METHOD);
        Variable point = context.declareVariable(Point.class, "point");
        ByteCodeExpression setPoint = point.set(newInstance(Point.class, constantInt(3), constantInt(7)));

        assertEquals(setPoint.toString(), "point = new Point(3, 7);");

        Block block = new Block(context)
                .append(setPoint)
                .append(point.ret());

        assertByteCodeNode(block, type(Point.class), new Point(3, 7));
    }
}
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