package com.facebook.presto.sql.planner;

import com.facebook.presto.spi.type.BigintType;
import com.google.common.collect.ImmutableSet;
import org.testng.annotations.Test;

import java.util.Set;

import static org.testng.Assert.assertEquals;

public class TestSymbolAllocator
{
    @Test
    public void testUnique()
            throws Exception
    {
        SymbolAllocator allocator = new SymbolAllocator();
        Set<Symbol> symbols = ImmutableSet.<Symbol>builder()
                .add(allocator.newSymbol("foo_1_0", BigintType.BIGINT))
                .add(allocator.newSymbol("foo", BigintType.BIGINT))
                .add(allocator.newSymbol("foo", BigintType.BIGINT))
                .add(allocator.newSymbol("foo", BigintType.BIGINT))
                .build();

        assertEquals(symbols.size(), 4);
    }
}

@@ -1,8 +1,570 @@
+/*%0A * Licensed under the Apache License, Version 2.0 (the %22License%22);%0A * you may not use this file except in compliance with the License.%0A * You may obtain a copy of the License at%0A *%0A *     http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A
 package 

Add missing license header