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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Globalization;
using Microsoft.Extensions.Primitives;
using Xunit;
namespace Microsoft.Net.Http.Headers
{
public class HeaderUtilitiesTest
{
private const string Rfc1123Format = "r";
[Theory]
[MemberData(nameof(TestValues))]
public void ReturnsSameResultAsRfc1123String(DateTimeOffset dateTime, bool quoted)
{
var formatted = dateTime.ToString(Rfc1123Format);
var expected = quoted ? $"\"{formatted}\"" : formatted;
var actual = HeaderUtilities.FormatDate(dateTime, quoted);
Assert.Equal(expected, actual);
}
public static TheoryData<DateTimeOffset, bool> TestValues
{
get
{
var data = new TheoryData<DateTimeOffset, bool>();
var date = new DateTimeOffset(new DateTime(2018, 1, 1, 1, 1, 1));
foreach (var quoted in new[] { true, false })
{
data.Add(date, quoted);
for (var i = 1; i < 60; i++)
{
data.Add(date.AddSeconds(i), quoted);
data.Add(date.AddMinutes(i), quoted);
}
for (var i = 1; i < DateTime.DaysInMonth(date.Year, date.Month); i++)
{
data.Add(date.AddDays(i), quoted);
}
for (var i = 1; i < 11; i++)
{
data.Add(date.AddMonths(i), quoted);
}
for (var i = 1; i < 5; i++)
{
data.Add(date.AddYears(i), quoted);
}
}
return data;
}
}
[Theory]
[InlineData("h=1", "h", 1)]
[InlineData("directive1=3, directive2=10", "directive1", 3)]
[InlineData("directive1 =45, directive2=80", "directive1", 45)]
[InlineData("directive1= 89 , directive2=22", "directive1", 89)]
[InlineData("directive1= 89 , directive2= 42", "directive2", 42)]
[InlineData("directive1= 89 , directive= 42", "directive", 42)]
[InlineData("directive1,,,,,directive2 = 42 ", "directive2", 42)]
[InlineData("directive1=;,directive2 = 42 ", "directive2", 42)]
[InlineData("directive1;;,;;,directive2 = 42 ", "directive2", 42)]
[InlineData("directive1=value;q=0.6,directive2 = 42 ", "directive2", 42)]
public void TryParseSeconds_Succeeds(string headerValues, string targetValue, int expectedValue)
{
TimeSpan? value;
Assert.True(HeaderUtilities.TryParseSeconds(new StringValues(headerValues), targetValue, out value));
Assert.Equal(TimeSpan.FromSeconds(expectedValue), value);
}
[Theory]
[InlineData("", "")]
[InlineData(null, null)]
[InlineData("h=", "h")]
[InlineData("directive1=, directive2=10", "directive1")]
[InlineData("directive1 , directive2=80", "directive1")]
[InlineData("h=10", "directive")]
[InlineData("directive1", "directive")]
[InlineData("directive1,,,,,,,", "directive")]
[InlineData("h=directive", "directive")]
[InlineData("directive1, directive2=80", "directive")]
[InlineData("directive1=;, directive2=10", "directive1")]
[InlineData("directive1;directive2=10", "directive2")]
public void TryParseSeconds_Fails(string headerValues, string targetValue)
{
TimeSpan? value;
Assert.False(HeaderUtilities.TryParseSeconds(new StringValues(headerValues), targetValue, out value));
}
[Theory]
[InlineData(0)]
[InlineData(1)]
[InlineData(1234567890)]
[InlineData(long.MaxValue)]
public void FormatNonNegativeInt64_MatchesToString(long value)
{
Assert.Equal(value.ToString(CultureInfo.InvariantCulture), HeaderUtilities.FormatNonNegativeInt64(value));
}
[Theory]
[InlineData(-1)]
[InlineData(-1234567890)]
[InlineData(long.MinValue)]
public void FormatNonNegativeInt64_Throws_ForNegativeValues(long value)
{
Assert.Throws<ArgumentOutOfRangeException>(() => HeaderUtilities.FormatNonNegativeInt64(value));
}
[Theory]
[InlineData("h", "h", true)]
[InlineData("h=", "h", true)]
[InlineData("h=1", "h", true)]
[InlineData("H", "h", true)]
[InlineData("H=", "h", true)]
[InlineData("H=1", "h", true)]
[InlineData("h", "H", true)]
[InlineData("h=", "H", true)]
[InlineData("h=1", "H", true)]
[InlineData("directive1, directive=10", "directive1", true)]
[InlineData("directive1=, directive=10", "directive1", true)]
[InlineData("directive1=3, directive=10", "directive1", true)]
[InlineData("directive1 , directive=80", "directive1", true)]
[InlineData(" directive1, directive=80", "directive1", true)]
[InlineData("directive1 =45, directive=80", "directive1", true)]
[InlineData("directive1= 89 , directive=22", "directive1", true)]
[InlineData("directive1, directive", "directive", true)]
[InlineData("directive1, directive=", "directive", true)]
[InlineData("directive1, directive=10", "directive", true)]
[InlineData("directive1=3, directive", "directive", true)]
[InlineData("directive1=3, directive=", "directive", true)]
[InlineData("directive1=3, directive=10", "directive", true)]
[InlineData("directive1= 89 , directive= 42", "directive", true)]
[InlineData("directive1= 89 , directive = 42", "directive", true)]
[InlineData("directive1,,,,,directive2 = 42 ", "directive2", true)]
[InlineData("directive1;;,;;,directive2 = 42 ", "directive2", true)]
[InlineData("directive1=;,directive2 = 42 ", "directive2", true)]
[InlineData("directive1=value;q=0.6,directive2 = 42 ", "directive2", true)]
[InlineData(null, null, false)]
[InlineData(null, "", false)]
[InlineData("", null, false)]
[InlineData("", "", false)]
[InlineData("h=10", "directive", false)]
[InlineData("directive1", "directive", false)]
[InlineData("directive1,,,,,,,", "directive", false)]
[InlineData("h=directive", "directive", false)]
[InlineData("directive1, directive2=80", "directive", false)]
[InlineData("directive1;, directive2=80", "directive", false)]
[InlineData("directive1=value;q=0.6;directive2 = 42 ", "directive2", false)]
public void ContainsCacheDirective_MatchesExactValue(string headerValues, string targetValue, bool contains)
{
Assert.Equal(contains, HeaderUtilities.ContainsCacheDirective(new StringValues(headerValues), targetValue));
}
[Theory]
[InlineData("")]
[InlineData(null)]
[InlineData("-1")]
[InlineData("a")]
[InlineData("1.1")]
[InlineData("9223372036854775808")] // long.MaxValue + 1
public void TryParseNonNegativeInt64_Fails(string valueString)
{
long value = 1;
Assert.False(HeaderUtilities.TryParseNonNegativeInt64(valueString, out value));
Assert.Equal(0, value);
}
[Theory]
[InlineData("0", 0)]
[InlineData("9223372036854775807", 9223372036854775807)] // long.MaxValue
public void TryParseNonNegativeInt64_Succeeds(string valueString, long expected)
{
long value = 1;
Assert.True(HeaderUtilities.TryParseNonNegativeInt64(valueString, out value));
Assert.Equal(expected, value);
}
[Theory]
[InlineData("")]
[InlineData(null)]
[InlineData("-1")]
[InlineData("a")]
[InlineData("1.1")]
[InlineData("1,000")]
[InlineData("2147483648")] // int.MaxValue + 1
public void TryParseNonNegativeInt32_Fails(string valueString)
{
int value = 1;
Assert.False(HeaderUtilities.TryParseNonNegativeInt32(valueString, out value));
Assert.Equal(0, value);
}
[Theory]
[InlineData("0", 0)]
[InlineData("2147483647", 2147483647)] // int.MaxValue
public void TryParseNonNegativeInt32_Succeeds(string valueString, long expected)
{
int value = 1;
Assert.True(HeaderUtilities.TryParseNonNegativeInt32(valueString, out value));
Assert.Equal(expected, value);
}
[Theory]
[InlineData("\"hello\"", "hello")]
[InlineData("\"hello", "\"hello")]
[InlineData("hello\"", "hello\"")]
[InlineData("\"\"hello\"\"", "\"hello\"")]
public void RemoveQuotes_BehaviorCheck(string input, string expected)
{
var actual = HeaderUtilities.RemoveQuotes(input);
Assert.Equal(expected, actual);
}
[Theory]
[InlineData("\"hello\"", true)]
[InlineData("\"hello", false)]
[InlineData("hello\"", false)]
[InlineData("\"\"hello\"\"", true)]
public void IsQuoted_BehaviorCheck(string input, bool expected)
{
var actual = HeaderUtilities.IsQuoted(input);
Assert.Equal(expected, actual);
}
[Theory]
[InlineData("value", "value")]
[InlineData("\"value\"", "value")]
[InlineData("\"hello\\\\\"", "hello\\")]
[InlineData("\"hello\\\"\"", "hello\"")]
[InlineData("\"hello\\\"foo\\\\bar\\\\baz\\\\\"", "hello\"foo\\bar\\baz\\")]
[InlineData("\"quoted value\"", "quoted value")]
[InlineData("\"quoted\\\"valuewithquote\"", "quoted\"valuewithquote")]
[InlineData("\"hello\\\"", "hello\\")]
public void UnescapeAsQuotedString_BehaviorCheck(string input, string expected)
{
var actual = HeaderUtilities.UnescapeAsQuotedString(input);
Assert.Equal(expected, actual);
}
[Theory]
[InlineData("value", "\"value\"")]
[InlineData("23", "\"23\"")]
[InlineData(";;;", "\";;;\"")]
[InlineData("\"value\"", "\"\\\"value\\\"\"")]
[InlineData("unquoted \"value", "\"unquoted \\\"value\"")]
[InlineData("value\\morevalues\\evenmorevalues", "\"value\\\\morevalues\\\\evenmorevalues\"")]
// We have to assume that the input needs to be quoted here
[InlineData("\"\"double quoted string\"\"", "\"\\\"\\\"double quoted string\\\"\\\"\"")]
[InlineData("\t", "\"\t\"")]
public void SetAndEscapeValue_BehaviorCheck(string input, string expected)
{
var actual = HeaderUtilities.EscapeAsQuotedString(input);
Assert.Equal(expected, actual);
}
[Theory]
[InlineData("\n")]
[InlineData("\b")]
[InlineData("\r")]
public void SetAndEscapeValue_ControlCharactersThrowFormatException(string input)
{
Assert.Throws<FormatException>(() => { var actual = HeaderUtilities.EscapeAsQuotedString(input); });
}
[Fact]
public void SetAndEscapeValue_ThrowsFormatExceptionOnDelCharacter()
{
Assert.Throws<FormatException>(() => { var actual = HeaderUtilities.EscapeAsQuotedString($"{(char)0x7F}"); });
}
}
}
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