/*
* 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.type;
import com.facebook.presto.operator.scalar.AbstractTestFunctions;
import org.testng.annotations.Test;
import static com.facebook.presto.spi.StandardErrorCode.DIVISION_BY_ZERO;
import static com.facebook.presto.spi.StandardErrorCode.INVALID_CAST_ARGUMENT;
import static com.facebook.presto.spi.type.BigintType.BIGINT;
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.IntegerType.INTEGER;
import static com.facebook.presto.spi.type.RealType.REAL;
import static com.facebook.presto.spi.type.SmallintType.SMALLINT;
import static com.facebook.presto.spi.type.TinyintType.TINYINT;
import static com.facebook.presto.spi.type.VarcharType.VARCHAR;
import static java.lang.String.format;
public class TestSmallintOperators
extends AbstractTestFunctions
{
@Test
public void testLiteral()
throws Exception
{
assertFunction("SMALLINT'37'", SMALLINT, (short) 37);
assertFunction("SMALLINT'17'", SMALLINT, (short) 17);
assertInvalidCast("SMALLINT'" + ((long) Short.MAX_VALUE + 1L) + "'");
}
@Test
public void testUnaryPlus()
throws Exception
{
assertFunction("+SMALLINT'37'", SMALLINT, (short) 37);
assertFunction("+SMALLINT'17'", SMALLINT, (short) 17);
}
@Test
public void testUnaryMinus()
throws Exception
{
assertFunction("SMALLINT'-37'", SMALLINT, (short) -37);
assertFunction("SMALLINT'-17'", SMALLINT, (short) -17);
assertInvalidFunction("SMALLINT'-" + Short.MIN_VALUE + "'", INVALID_CAST_ARGUMENT);
}
@Test
public void testAdd()
throws Exception
{
assertFunction("SMALLINT'37' + SMALLINT'37'", SMALLINT, (short) (37 + 37));
assertFunction("SMALLINT'37' + SMALLINT'17'", SMALLINT, (short) (37 + 17));
assertFunction("SMALLINT'17' + SMALLINT'37'", SMALLINT, (short) (17 + 37));
assertFunction("SMALLINT'17' + SMALLINT'17'", SMALLINT, (short) (17 + 17));
assertNumericOverflow(format("SMALLINT'%s' + SMALLINT'1'", Short.MAX_VALUE), "smallint addition overflow: 32767 + 1");
}
@Test
public void testSubtract()
throws Exception
{
assertFunction("SMALLINT'37' - SMALLINT'37'", SMALLINT, (short) 0);
assertFunction("SMALLINT'37' - SMALLINT'17'", SMALLINT, (short) (37 - 17));
assertFunction("SMALLINT'17' - SMALLINT'37'", SMALLINT, (short) (17 - 37));
assertFunction("SMALLINT'17' - SMALLINT'17'", SMALLINT, (short) 0);
assertNumericOverflow(format("SMALLINT'%s' - SMALLINT'1'", Short.MIN_VALUE), "smallint subtraction overflow: -32768 - 1");
}
@Test
public void testMultiply()
throws Exception
{
assertFunction("SMALLINT'37' * SMALLINT'37'", SMALLINT, (short) (37 * 37));
assertFunction("SMALLINT'37' * SMALLINT'17'", SMALLINT, (short) (37 * 17));
assertFunction("SMALLINT'17' * SMALLINT'37'", SMALLINT, (short) (17 * 37));
assertFunction("SMALLINT'17' * SMALLINT'17'", SMALLINT, (short) (17 * 17));
assertNumericOverflow(format("SMALLINT'%s' * SMALLINT'2'", Short.MAX_VALUE), "smallint multiplication overflow: 32767 * 2");
}
@Test
public void testDivide()
throws Exception
{
assertFunction("SMALLINT'37' / SMALLINT'37'", SMALLINT, (short) 1);
assertFunction("SMALLINT'37' / SMALLINT'17'", SMALLINT, (short) (37 / 17));
assertFunction("SMALLINT'17' / SMALLINT'37'", SMALLINT, (short) (17 / 37));
assertFunction("SMALLINT'17' / SMALLINT'17'", SMALLINT, (short) 1);
assertInvalidFunction("SMALLINT'17' / SMALLINT'0'", DIVISION_BY_ZERO);
}
@Test
public void testModulus()
throws Exception
{
assertFunction("SMALLINT'37' % SMALLINT'37'", SMALLINT, (short) 0);
assertFunction("SMALLINT'37' % SMALLINT'17'", SMALLINT, (short) (37 % 17));
assertFunction("SMALLINT'17' % SMALLINT'37'", SMALLINT, (short) (17 % 37));
assertFunction("SMALLINT'17' % SMALLINT'17'", SMALLINT, (short) 0);
assertInvalidFunction("SMALLINT'17' % SMALLINT'0'", DIVISION_BY_ZERO);
}
@Test
public void testNegation()
throws Exception
{
assertFunction("-(SMALLINT'37')", SMALLINT, (short) -37);
assertFunction("-(SMALLINT'17')", SMALLINT, (short) -17);
assertFunction("-(SMALLINT'" + Short.MAX_VALUE + "')", SMALLINT, (short) (Short.MIN_VALUE + 1));
assertNumericOverflow(format("-(SMALLINT'%s')", Short.MIN_VALUE), "smallint negation overflow: -32768");
}
@Test
public void testEqual()
throws Exception
{
assertFunction("SMALLINT'37' = SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'37' = SMALLINT'17'", BOOLEAN, false);
assertFunction("SMALLINT'17' = SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'17' = SMALLINT'17'", BOOLEAN, true);
}
@Test
public void testNotEqual()
throws Exception
{
assertFunction("SMALLINT'37' <> SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'37' <> SMALLINT'17'", BOOLEAN, true);
assertFunction("SMALLINT'17' <> SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'17' <> SMALLINT'17'", BOOLEAN, false);
}
@Test
public void testLessThan()
throws Exception
{
assertFunction("SMALLINT'37' < SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'37' < SMALLINT'17'", BOOLEAN, false);
assertFunction("SMALLINT'17' < SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'17' < SMALLINT'17'", BOOLEAN, false);
}
@Test
public void testLessThanOrEqual()
throws Exception
{
assertFunction("SMALLINT'37' <= SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'37' <= SMALLINT'17'", BOOLEAN, false);
assertFunction("SMALLINT'17' <= SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'17' <= SMALLINT'17'", BOOLEAN, true);
}
@Test
public void testGreaterThan()
throws Exception
{
assertFunction("SMALLINT'37' > SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'37' > SMALLINT'17'", BOOLEAN, true);
assertFunction("SMALLINT'17' > SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'17' > SMALLINT'17'", BOOLEAN, false);
}
@Test
public void testGreaterThanOrEqual()
throws Exception
{
assertFunction("SMALLINT'37' >= SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'37' >= SMALLINT'17'", BOOLEAN, true);
assertFunction("SMALLINT'17' >= SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'17' >= SMALLINT'17'", BOOLEAN, true);
}
@Test
public void testBetween()
throws Exception
{
assertFunction("SMALLINT'37' BETWEEN SMALLINT'37' AND SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'37' BETWEEN SMALLINT'37' AND SMALLINT'17'", BOOLEAN, false);
assertFunction("SMALLINT'37' BETWEEN SMALLINT'17' AND SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'37' BETWEEN SMALLINT'17' AND SMALLINT'17'", BOOLEAN, false);
assertFunction("SMALLINT'17' BETWEEN SMALLINT'37' AND SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'17' BETWEEN SMALLINT'37' AND SMALLINT'17'", BOOLEAN, false);
assertFunction("SMALLINT'17' BETWEEN SMALLINT'17' AND SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'17' BETWEEN SMALLINT'17' AND SMALLINT'17'", BOOLEAN, true);
}
@Test
public void testCastToBigint()
throws Exception
{
assertFunction("cast(SMALLINT'37' as bigint)", BIGINT, 37L);
assertFunction("cast(SMALLINT'17' as bigint)", BIGINT, 17L);
}
@Test
public void testCastToInteger()
throws Exception
{
assertFunction("cast(SMALLINT'37' as integer)", INTEGER, 37);
assertFunction("cast(SMALLINT'17' as integer)", INTEGER, 17);
}
@Test
public void testCastToTinyint()
throws Exception
{
assertFunction("cast(SMALLINT'37' as tinyint)", TINYINT, (byte) 37);
assertFunction("cast(SMALLINT'17' as tinyint)", TINYINT, (byte) 17);
}
@Test
public void testCastToVarchar()
throws Exception
{
assertFunction("cast(SMALLINT'37' as varchar)", VARCHAR, "37");
assertFunction("cast(SMALLINT'17' as varchar)", VARCHAR, "17");
}
@Test
public void testCastToDouble()
throws Exception
{
assertFunction("cast(SMALLINT'37' as double)", DOUBLE, 37.0);
assertFunction("cast(SMALLINT'17' as double)", DOUBLE, 17.0);
}
@Test
public void testCastToFloat()
throws Exception
{
assertFunction("cast(SMALLINT'37' as real)", REAL, 37.0f);
assertFunction("cast(SMALLINT'-32768' as real)", REAL, -32768.0f);
assertFunction("cast(SMALLINT'0' as real)", REAL, 0.0f);
}
@Test
public void testCastToBoolean()
throws Exception
{
assertFunction("cast(SMALLINT'37' as boolean)", BOOLEAN, true);
assertFunction("cast(SMALLINT'17' as boolean)", BOOLEAN, true);
assertFunction("cast(SMALLINT'0' as boolean)", BOOLEAN, false);
}
@Test
public void testCastFromVarchar()
throws Exception
{
assertFunction("cast('37' as smallint)", SMALLINT, (short) 37);
assertFunction("cast('17' as smallint)", SMALLINT, (short) 17);
}
@Test
public void testIsDistinctFrom()
throws Exception
{
assertFunction("CAST(NULL AS SMALLINT) IS DISTINCT FROM CAST(NULL AS SMALLINT)", BOOLEAN, false);
assertFunction("SMALLINT'37' IS DISTINCT FROM SMALLINT'37'", BOOLEAN, false);
assertFunction("SMALLINT'37' IS DISTINCT FROM SMALLINT'38'", BOOLEAN, true);
assertFunction("NULL IS DISTINCT FROM SMALLINT'37'", BOOLEAN, true);
assertFunction("SMALLINT'37' IS DISTINCT FROM NULL", BOOLEAN, true);
}
}