@Test
public void testToString() throws Exception {

    ConversionContext ctx = new ConversionContext.Builder("toString", TypeLiteral.of(List.class))
            .addSupportedFormats(MyConverter.class, "0.0.0.0/nnn", "x.x.x.x/yyy").build();
    assertThat(ctx.toString()).isEqualTo("ConversionContext{configuration=null, key='toString', "
            + "targetType=TypeLiteral{type=interface java.util.List}, "
            + "annotatedElement=null, supportedFormats=[0.0.0.0/nnn (MyConverter), x.x.x.x/yyy (MyConverter)]}");
}