StringToFloatConverterTest.java

package com.vaadin.tests.data.converter;

import org.junit.Assert;
import org.junit.Test;

import com.vaadin.data.ValueContext;
import com.vaadin.data.converter.StringToFloatConverter;

public class StringToFloatConverterTest extends AbstractStringConverterTest {

    @Override
    protected StringToFloatConverter getConverter() {
        return new StringToFloatConverter(getErrorMessage());
    }

    @Override
    @Test
    public void testNullConversion() {
        assertValue(null,
                getConverter().convertToModel(null, new ValueContext()));
    }

    @Override
    @Test
    public void testEmptyStringConversion() {
        assertValue(null,
                getConverter().convertToModel("", new ValueContext()));
    }

    @Test
    public void testValueConversion() {
        assertValue(Float.valueOf(10),
                getConverter().convertToModel("10", new ValueContext()));
    }

    @Test
    public void customEmptyValue() {
        StringToFloatConverter converter = new StringToFloatConverter(
                (float) 0.0, getErrorMessage());

        assertValue((float) 0.0,
                converter.convertToModel("", new ValueContext()));
        Assert.assertEquals("0", converter.convertToPresentation((float) 0.0,
                new ValueContext()));
    }
}