public void Detect_Method()
{
Assert.Throws <ArgumentNullException>(() => IYandexTranslatorExtensions.Detect(null, "text"));
Assert.Throws <ArgumentNullException>(() => xmlTranslator.Detect(null));
Assert.Throws <ArgumentException>(() => xmlTranslator.Detect(string.Empty));
string language;
Assert.Throws <ArgumentNullException>(() => IYandexTranslatorExtensions.Detect(null, "text", out language));
Assert.Throws <ArgumentNullException>(() => xmlTranslator.Detect(null, out language));
Assert.Throws <ArgumentException>(() => xmlTranslator.Detect(string.Empty, out language));
Assert.Equal("en", xmlTranslator.Detect("Hello, world"));
Assert.Equal("ru", xmlTranslator.Detect("Привет, мир"));
Assert.True(xmlTranslator.Detect("Hello, world", out language));
Assert.Equal("en", language);
Assert.True(xmlTranslator.Detect("Привет, мир", out language));
Assert.Equal("ru", language);
Assert.Equal("en", jsonTranslator.Detect("Hello, world"));
Assert.Equal("ru", jsonTranslator.Detect("Привет, мир"));
Assert.True(jsonTranslator.Detect("Hello, world", out language));
Assert.Equal("en", language);
Assert.True(jsonTranslator.Detect("Привет, мир", out language));
Assert.Equal("ru", language);
}
/// <summary>
/// <para>Makes a language detection request to Yandex.Translator web service.</para>
/// </summary>
/// <param name="translator">Translator instance to be used.</param>
/// <param name="text">Text fragment which language is to be detected.</param>
/// <param name="language">Language of the provided text fragment.</param>
/// <returns><c>true</c> if language was successfully determined and <paramref name="language"/> output parameter contains its ISO code, or <c>false</c> if detection failed and <paramref name="language"/> is a <c>null</c> reference.</returns>
/// <exception cref="ArgumentNullException">If either <paramref name="translator"/> or <paramref name="text"/> is a <c>null</c> reference.</exception>
/// <exception cref="ArgumentException">If <paramref name="text"/> is <see cref="string.Empty"/> string.</exception>
/// <seealso cref="http://api.yandex.ru/translate/doc/dg/reference/detect.xml"/>
public static bool Detect(this IYandexTranslator translator, string text, out string language)
{
Assertion.NotNull(translator);
Assertion.NotEmpty(text);
try
{
language = translator.Detect(text);
return(true);
}
catch
{
language = null;
return(false);
}
}