/*
 * 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.spi.type;

import org.testng.annotations.Test;

import java.util.List;

import static com.facebook.presto.spi.block.MethodHandleUtil.methodHandle;
import static com.facebook.presto.spi.type.BooleanType.BOOLEAN;
import static com.facebook.presto.spi.type.DoubleType.DOUBLE;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static java.util.Arrays.asList;
import static org.testng.Assert.assertEquals;

public class TestRowType
{
    @Test
    public void testRowDisplayName()
    {
        List<RowType.Field> fields = asList(
                RowType.field("bool_col", BOOLEAN),
                RowType.field("double_col", DOUBLE),
                RowType.field("array_col", new ArrayType(VARCHAR)),
                RowType.field("map_col", new MapType(
                        BOOLEAN,
                        DOUBLE,
                        methodHandle(TestRowType.class, "throwUnsupportedOperation"),
                        methodHandle(TestRowType.class, "throwUnsupportedOperation"),
                        methodHandle(TestRowType.class, "throwUnsupportedOperation"),
                        methodHandle(TestRowType.class, "throwUnsupportedOperation"))));

        RowType row = RowType.from(fields);
        assertEquals(
                row.getDisplayName(),
                "row(bool_col boolean, double_col double, array_col array(varchar), map_col map(boolean, double))");
    }

    @Test
    public void testRowDisplayNoColumnNames()
    {
        List<Type> types = asList(
                BOOLEAN,
                DOUBLE,
                new ArrayType(VARCHAR),
                new MapType(
                        BOOLEAN,
                        DOUBLE,
                        methodHandle(TestRowType.class, "throwUnsupportedOperation"),
                        methodHandle(TestRowType.class, "throwUnsupportedOperation"),
                        methodHandle(TestRowType.class, "throwUnsupportedOperation"),
                        methodHandle(TestRowType.class, "throwUnsupportedOperation")));
        RowType row = RowType.anonymous(types);
        assertEquals(
                row.getDisplayName(),
                "row(boolean, double, array(varchar), map(boolean, double))");
    }

    public static void throwUnsupportedOperation()
    {
        throw new UnsupportedOperationException();
    }
}

@@ -2815,24 +2815,961 @@
 )%22);%0A    %7D%0A%0A
+    @Test%0A    public void testRowDisplayMixedUnnamedColumns()%0A    %7B%0A        List%3CRowType.Field%3E fields = asList(%0A                RowType.field(BOOLEAN),%0A                RowType.field(%22double_col%22, DOUBLE),%0A                RowType.field(new ArrayType(VARCHAR)),%0A                RowType.field(%22map_col%22, new MapType(%0A                        BOOLEAN,%0A                        DOUBLE,%0A                        methodHandle(TestRowType.class, %22throwUnsupportedOperation%22),%0A                        methodHandle(TestRowType.class, %22throwUnsupportedOperation%22),%0A                        methodHandle(TestRowType.class, %22throwUnsupportedOperation%22),%0A                        methodHandle(TestRowType.class, %22throwUnsupportedOperation%22))));%0A%0A        RowType row = RowType.from(fields);%0A        assertEquals(%0A                row.getDisplayName(),%0A                %22row(boolean, double_col double, array(varchar), map_col map(boolean, double))%22);%0A    %7D%0A%0A
     public s

Add a test for displaying row type with mixed unnamed columns