### Question:
VariableConfigurationJsonParser { public static VariableConfigurationJsonParser newParser() { return new VariableConfigurationJsonParser(); } private  VariableConfigurationJsonParser(); static VariableConfigurationJsonParser newParser(); VariableConfiguration buildFrom(final InputStream input); VariableConfiguration buildFrom(final Resource input); VariableConfiguration buildFrom(final URL input); VariableConfiguration buildFrom(final JsonPipetConfig config); VariableConfiguration build(); VariableConfigurationJsonParser clearRegisteredConverters(); VariableConfigurationJsonParser clearAdditionalIdentifiers(); VariableConfigurationJsonParser clearAdditionalVariables(); VariableConfigurationJsonParser clearAll(); VariableConfigurationJsonParser registerStandardConverters(); VariableConfigurationJsonParser registerValueConverterByType(final String type, final ValueConverter converter); VariableConfigurationJsonParser registerValueConverterByCanonicalName(final ValueConverter converter); VariableConfigurationJsonParser registerValueConverterBySimpleName(final ValueConverter converter); VariableConfigurationJsonParser registerValueConverterByName(final ValueConverter converter); VariableConfigurationJsonParser addIdentifier(final ExtractorSource extractorSource, final TestType... testTypes); VariableConfigurationJsonParser addIdentifier(final Identifier identifier); VariableConfigurationJsonParser addContextVariable(final ContextVariable variable);  }### Answer:
@Test public void testStandardValueConverters() { final VariableConfigurationJsonParser parser = VariableConfigurationJsonParser.newParser(); doCheckConverterClass(parser, "byte", ValueConverters.byteValueConverter().getClass()); doCheckConverterClass(parser, "Byte", ValueConverters.byteValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.Byte", ValueConverters.byteValueConverter().getClass()); doCheckConverterClass(parser, "short", ValueConverters.shortValueConverter().getClass()); doCheckConverterClass(parser, "Short", ValueConverters.shortValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.Short", ValueConverters.shortValueConverter().getClass()); doCheckConverterClass(parser, "int", ValueConverters.integerValueConverter().getClass()); doCheckConverterClass(parser, "Integer", ValueConverters.integerValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.Integer", ValueConverters.integerValueConverter().getClass()); doCheckConverterClass(parser, "long", ValueConverters.longValueConverter().getClass()); doCheckConverterClass(parser, "Long", ValueConverters.longValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.Long", ValueConverters.longValueConverter().getClass()); doCheckConverterClass(parser, "float", ValueConverters.floatValueConverter().getClass()); doCheckConverterClass(parser, "Float", ValueConverters.floatValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.Float", ValueConverters.floatValueConverter().getClass()); doCheckConverterClass(parser, "double", ValueConverters.doubleValueConverter().getClass()); doCheckConverterClass(parser, "Double", ValueConverters.doubleValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.Double", ValueConverters.doubleValueConverter().getClass()); doCheckConverterClass(parser, "char", ValueConverters.characterValueConverter().getClass()); doCheckConverterClass(parser, "Character", ValueConverters.characterValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.Character", ValueConverters.characterValueConverter().getClass()); doCheckConverterClass(parser, "string", ValueConverters.stringValueConverter().getClass()); doCheckConverterClass(parser, "String", ValueConverters.stringValueConverter().getClass()); doCheckConverterClass(parser, "java.lang.String", ValueConverters.stringValueConverter().getClass()); }