/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.server.types;
import com.foundationdb.junit.NamedParameterizedRunner;
import com.foundationdb.junit.NamedParameterizedRunner.TestParameters;
import com.foundationdb.junit.Parameterization;
import com.foundationdb.junit.ParameterizationBuilder;
import com.foundationdb.server.types.common.BigDecimalWrapper;
import com.foundationdb.server.types.mcompat.MParsers;
import com.foundationdb.server.types.mcompat.mtypes.MNumeric;
import com.foundationdb.server.types.mcompat.mtypes.MString;
import com.foundationdb.server.types.value.Value;
import com.foundationdb.server.types.value.ValueSource;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.junit.Assert.assertEquals;
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.Collection;
@RunWith(NamedParameterizedRunner.class)
public final class DecimalParserTest {
@TestParameters
public static Collection<Parameterization> params() {
ParameterizationBuilder builder = new ParameterizationBuilder();
param(builder, "1234.56", 6, 2, "1234.56");
param(builder, "-1234.56", 6, 2, "-1234.56");
param(builder, "1234.56", 4, 2, "99.99");
param(builder, "-1234.56", 4, 2, "-99.99");
param(builder, "1234", 6, 2, "1234.00");
param(builder, "12.3456", 4, 2, "12.35");
param(builder, "1234.56", 6, 0, "1235");
param(builder, "12.3Q", 4, 2, "12.30");
return builder.asList();
}
private static void param(ParameterizationBuilder builder,
String input, int precision, int scale, String expected) {
builder.add(String.format("%s[%d,%d]", input, precision, scale),
input, precision, scale, expected);
}
public DecimalParserTest(String input, int precision, int scale, String expected) {
this.input = input;
this.precision = precision;
this.scale = scale;
this.expected = expected;
}
private String input, expected;
private int precision, scale;
@Test
public void checkParse() {
ValueSource source = new Value(MString.varcharFor(input), input);
Value target = new Value(MNumeric.DECIMAL.instance(precision, scale, true));
TExecutionContext context =
new TExecutionContext(null, Arrays.asList(source.getType()), target.getType(), null,
ErrorHandlingMode.IGNORE, ErrorHandlingMode.IGNORE, ErrorHandlingMode.IGNORE);
MParsers.DECIMAL.parse(context, source, target);
BigDecimal actual = ((BigDecimalWrapper)target.getObject()).asBigDecimal();
assertEquals(input, new BigDecimal(expected), actual);
}
}