FloatLocaleConverterTest.java
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* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
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*
* https://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,
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* See the License for the specific language governing permissions and
* limitations under the License.
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package org.apache.commons.beanutils2.converters;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.fail;
import java.text.DecimalFormat;
import java.util.Locale;
import org.apache.commons.beanutils2.ConversionException;
import org.apache.commons.beanutils2.locale.LocaleConvertUtils;
import org.apache.commons.beanutils2.locale.converters.FloatLocaleConverter;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
/**
* Test Case for the FloatLocaleConverter class.
*/
class FloatLocaleConverterTest extends AbstractLocaleConverterTest<Float> {
/**
* Sets up instance variables required by this test case.
*/
@Override
@BeforeEach
public void setUp() throws Exception {
super.setUp();
defaultValue = Float.valueOf("9.99");
expectedValue = Float.valueOf(expectedDecimalValue);
}
/**
* Test Converter() constructor
*
* Uses the default locale, no default value
*/
@Test
void testConstructor_2() {
// Construct using default locale
converter = FloatLocaleConverter.builder().get();
// Perform Tests
convertValueNoPattern(converter, defaultDecimalValue, expectedValue);
convertValueWithPattern(converter, defaultDecimalValue, defaultDecimalPattern, expectedValue);
convertInvalid(converter, null);
convertNull(converter, null);
}
/**
* Test Converter(locPattern) constructor
*
* Uses the default locale, no default value
*/
@Test
void testConstructor_3() {
// Construct using localized pattern (default locale)
converter = FloatLocaleConverter.builder().setLocalizedPattern(true).get();
// Perform Tests
convertValueNoPattern(converter, defaultDecimalValue, expectedValue);
convertValueWithPattern(converter, defaultDecimalValue, defaultDecimalPattern, expectedValue);
convertInvalid(converter, null);
convertNull(converter, null);
}
/**
* Test Converter(Locale) constructor
*/
@Test
void testConstructor_4() {
// Construct using specified Locale
converter = FloatLocaleConverter.builder().setLocale(localizedLocale).get();
// Perform Tests
convertValueNoPattern(converter, localizedDecimalValue, expectedValue);
convertValueWithPattern(converter, localizedDecimalValue, defaultDecimalPattern, expectedValue);
convertInvalid(converter, null);
convertNull(converter, null);
}
/**
* Test Converter(Locale, locPattern) constructor
*/
@Test
void testConstructor_5() {
// Construct using specified Locale
converter = FloatLocaleConverter.builder().setLocale(localizedLocale).setLocalizedPattern(true).get();
// Perform Tests
convertValueNoPattern(converter, localizedDecimalValue, expectedValue);
convertValueWithPattern(converter, localizedDecimalValue, localizedDecimalPattern, expectedValue);
convertInvalid(converter, null);
convertNull(converter, null);
}
/**
* Test Converter(Locale, pattern) constructor
*/
@Test
void testConstructor_6() {
// Construct using specified Locale
converter = FloatLocaleConverter.builder().setLocale(localizedLocale).setPattern(defaultDecimalPattern).get();
// Perform Tests
convertValueNoPattern(converter, localizedDecimalValue, expectedValue);
convertValueWithPattern(converter, localizedDecimalValue, defaultDecimalPattern, expectedValue);
convertInvalid(converter, null);
convertNull(converter, null);
}
/**
* Test Converter(Locale, pattern, locPattern) constructor
*/
@Test
void testConstructor_7() {
// Construct using specified Locale
converter = FloatLocaleConverter.builder().setLocale(localizedLocale).setPattern(localizedDecimalPattern).setLocalizedPattern(true).get();
// Perform Tests
convertValueNoPattern(converter, localizedDecimalValue, expectedValue);
convertValueWithPattern(converter, localizedDecimalValue, localizedDecimalPattern, expectedValue);
convertInvalid(converter, null);
convertNull(converter, null);
}
/**
* Test Converter(defaultValue) constructor
*/
@Test
void testConstructor_8() {
// Construct using specified Locale
converter = FloatLocaleConverter.builder().setDefault(defaultValue).get();
// Perform Tests
convertValueNoPattern(converter, defaultDecimalValue, expectedValue);
convertValueWithPattern(converter, defaultDecimalValue, defaultDecimalPattern, expectedValue);
convertInvalid(converter, defaultValue);
convertNull(converter, defaultValue);
}
/**
* Test Converter(defaultValue, locPattern) constructor
*/
@Test
void testConstructor_9() {
// Construct using specified Locale
converter = FloatLocaleConverter.builder().setDefault(defaultValue).setLocalizedPattern(true).get();
// Perform Tests
convertValueNoPattern(converter, defaultDecimalValue, expectedValue);
convertValueWithPattern(converter, defaultDecimalValue, defaultDecimalPattern, expectedValue);
convertInvalid(converter, defaultValue);
convertNull(converter, defaultValue);
}
/**
* Test Converter(defaultValue, locale, pattern, localizedPattern) constructor
*/
@Test
void testConstructorMain() {
// Construct with localized pattern
converter = FloatLocaleConverter.builder().setDefault(defaultValue).setLocale(localizedLocale).setPattern(localizedDecimalPattern)
.setLocalizedPattern(true).get();
convertValueNoPattern(converter, "(A)", localizedDecimalValue, expectedValue);
convertValueWithPattern(converter, "(A)", localizedDecimalValue, localizedDecimalPattern, expectedValue);
convertInvalid(converter, "(A)", defaultValue);
convertNull(converter, "(A)", defaultValue);
// **************************************************************************
// Convert value in the wrong format - maybe you would expect it to throw an
// exception and return the default - it doesn't, DecimalFormat parses it
// quite happily turning "1,234.56" into "1.234"
// I guess this is one of the limitations of DecimalFormat
// **************************************************************************
convertValueNoPattern(converter, "(B)", defaultDecimalValue, Float.valueOf("1.234"));
// **************************************************************************
// Convert with non-localized pattern - this causes an exception in parse()
// but it gets swallowed in convert() method and returns default.
// **** IS THIS THE EXPECTED BEHAVIOUR? ****
// Maybe if the pattern is no good, we should use a default pattern rather
// than just returning the default value.
// **************************************************************************
convertValueWithPattern(converter, "(B)", localizedDecimalValue, defaultDecimalPattern, defaultValue);
// **************************************************************************
// Convert with specified type
//
// BaseLocaleConverter completely ignores the type - so even if we specify
// Float.class here it still returns a Float.
// **** This has been changed due to BEANUTILS-449 ****
// **************************************************************************
// convertValueToType(converter, "(B)", Integer.class, localizedDecimalValue, localizedDecimalPattern, expectedValue);
// Construct with non-localized pattern
converter = FloatLocaleConverter.builder().setDefault(defaultValue).setLocale(localizedLocale).setPattern(defaultDecimalPattern)
.setLocalizedPattern(false).get();
convertValueNoPattern(converter, "(C)", localizedDecimalValue, expectedValue);
convertValueWithPattern(converter, "(C)", localizedDecimalValue, defaultDecimalPattern, expectedValue);
convertInvalid(converter, "(C)", defaultValue);
convertNull(converter, "(C)", defaultValue);
}
/**
* Test Float limits
*/
@Test
void testFloatLimits() {
converter = FloatLocaleConverter.builder().setLocale(defaultLocale).setPattern(defaultDecimalPattern).get();
final DecimalFormat fmt = new DecimalFormat("#.#############################################################");
assertEquals(Float.valueOf((float) -0.12), converter.convert("-0.12"));
assertEquals(Float.valueOf(Float.MAX_VALUE), converter.convert(fmt.format(Float.MAX_VALUE)), "Positive Float.MAX_VALUE");
assertEquals(Float.valueOf(Float.MIN_VALUE), converter.convert(fmt.format(Float.MIN_VALUE)), "Positive Float.MIN_VALUE");
assertEquals(Float.valueOf(Float.MAX_VALUE * -1), converter.convert(fmt.format(Float.MAX_VALUE * -1)), "Negative Float.MAX_VALUE");
assertEquals(Float.valueOf(Float.MIN_VALUE * -1), converter.convert(fmt.format(Float.MIN_VALUE * -1)), "Negative Float.MIN_VALUE");
try {
converter.convert(fmt.format((double) Float.MAX_VALUE * (double) 10));
fail("Positive Too Large should throw ConversionException");
} catch (final ConversionException e) {
// expected result
}
try {
converter.convert(fmt.format((double) Float.MAX_VALUE * (double) -10));
fail("Negative Too Large should throw ConversionException");
} catch (final ConversionException e) {
// expected result
}
try {
converter.convert(fmt.format((double) Float.MIN_VALUE / (double) 10));
fail("Positive Too Small should throw ConversionException");
} catch (final ConversionException e) {
// expected result
}
try {
converter.convert(fmt.format((double) Float.MIN_VALUE / (double) -10));
fail("Negative Too Small should throw ConversionException");
} catch (final ConversionException e) {
// expected result
}
}
/**
* Test parsing zero - see BEANUTILS-351
*/
@Test
void testParseZero() {
try {
final Object result = LocaleConvertUtils.convert("0", Float.class, Locale.US, null);
assertEquals(Float.valueOf(0), result);
} catch (final ConversionException e) {
fail("Zero threw ConversionException: " + e);
}
}
}