DoubleEncoderTest.java

package org.test4j.json.encoder.single.fixed;

import java.io.StringWriter;
import java.util.ArrayList;

import org.test4j.json.encoder.EncoderTest;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

@Test(groups = { "test4j", "json" })
public class DoubleEncoderTest extends EncoderTest {

    @Test(dataProvider = "double_data")
    public void testEncodeSingleValue(Double number, String expected) throws Exception {
        DoubleEncoder encoder = DoubleEncoder.instance;
        this.setUnmarkFeature(encoder);

        StringWriter writer = new StringWriter();
        encoder.encode(number, writer, new ArrayList<String>());
        String result = writer.toString();
        want.string(result).isEqualTo(expected);
    }

    @DataProvider
    public Object[][] double_data() {
        return new Object[][] { { 12.12D, "12.12" },// <br>
                { 1000d, "1000" },// <br>
                { null, "null" } // <br>
        };
    }
}