private static IList <StringWithQualityHeaderValue> GetAcceptCharsetHeaderValues(HttpRequest request)
{
if (StringWithQualityHeaderValue.TryParseList((IList <string>)request.Headers[HeaderNames.AcceptCharset],
out var result))
{
return(result);
}
return(Array.Empty <StringWithQualityHeaderValue>());
}
public void TryParseList_WithSomeInvlaidValues_ReturnsFalse()
{
var inputs = new[]
{
"",
"text1",
"text 1",
"text2",
"\"text 2\",",
"text3;q=0.5",
"text4;q=0.5, extra stuff",
" text5 ; q = 0.50 ",
"\r\n text6 ; q = 0.05 ",
"text7,text8;q=0.5",
" text9 , text10 ; q = 0.5 ",
};
IList <StringWithQualityHeaderValue> results;
Assert.False(StringWithQualityHeaderValue.TryParseList(inputs, out results));
}
public void TryParseList_WithSomeInvlaidValues_IgnoresInvalidValues()
{
var inputs = new[]
{
"",
"text1",
"text 1",
"text2",
"\"text 2\",",
"text3;q=0.5",
"text4;q=0.5, extra stuff",
" text5 ; q = 0.50 ",
"\r\n text6 ; q = 0.05 ",
"text7,text8;q=0.5",
" text9 , text10 ; q = 0.5 ",
};
IList <StringWithQualityHeaderValue> results;
Assert.True(StringWithQualityHeaderValue.TryParseList(inputs, out results));
var expectedResults = new[]
{
new StringWithQualityHeaderValue("text1"),
new StringWithQualityHeaderValue("1"),
new StringWithQualityHeaderValue("text2"),
new StringWithQualityHeaderValue("text3", 0.5),
new StringWithQualityHeaderValue("text4", 0.5),
new StringWithQualityHeaderValue("stuff"),
new StringWithQualityHeaderValue("text5", 0.5),
new StringWithQualityHeaderValue("text6", 0.05),
new StringWithQualityHeaderValue("text7"),
new StringWithQualityHeaderValue("text8", 0.5),
new StringWithQualityHeaderValue("text9"),
new StringWithQualityHeaderValue("text10", 0.5),
}.ToList();
Assert.Equal(expectedResults, results);
}
public void TryParseList_SetOfValidValueStrings_ParsedCorrectly()
{
var inputs = new[]
{
"",
"text1",
"text2,",
"textA,textB",
"text3;q=0.5",
"text4;q=0.5,",
" text5 ; q = 0.50 ",
"\r\n text6 ; q = 0.05 ",
"text7,text8;q=0.5",
" text9 , text10 ; q = 0.5 ",
};
IList <StringWithQualityHeaderValue> results;
Assert.True(StringWithQualityHeaderValue.TryParseList(inputs, out results));
var expectedResults = new[]
{
new StringWithQualityHeaderValue("text1"),
new StringWithQualityHeaderValue("text2"),
new StringWithQualityHeaderValue("textA"),
new StringWithQualityHeaderValue("textB"),
new StringWithQualityHeaderValue("text3", 0.5),
new StringWithQualityHeaderValue("text4", 0.5),
new StringWithQualityHeaderValue("text5", 0.5),
new StringWithQualityHeaderValue("text6", 0.05),
new StringWithQualityHeaderValue("text7"),
new StringWithQualityHeaderValue("text8", 0.5),
new StringWithQualityHeaderValue("text9"),
new StringWithQualityHeaderValue("text10", 0.5),
}.ToList();
Assert.Equal(expectedResults, results);
}