1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
use header::EntityTag;
header! {
/// `ETag` header, defined in [RFC7232](http://tools.ietf.org/html/rfc7232#section-2.3)
///
/// The `ETag` header field in a response provides the current entity-tag
/// for the selected representation, as determined at the conclusion of
/// handling the request. An entity-tag is an opaque validator for
/// differentiating between multiple representations of the same
/// resource, regardless of whether those multiple representations are
/// due to resource state changes over time, content negotiation
/// resulting in multiple representations being valid at the same time,
/// or both. An entity-tag consists of an opaque quoted string, possibly
/// prefixed by a weakness indicator.
///
/// # ABNF
/// ```plain
/// ETag = entity-tag
/// ```
///
/// # Example values
/// * `"xyzzy"`
/// * `W/"xyzzy"`
/// * `""`
///
/// # Examples
/// ```
/// use hyper::header::{Headers, ETag, EntityTag};
///
/// let mut headers = Headers::new();
/// headers.set(ETag(EntityTag::new(false, "xyzzy".to_owned())));
/// ```
/// ```
/// use hyper::header::{Headers, ETag, EntityTag};
///
/// let mut headers = Headers::new();
/// headers.set(ETag(EntityTag::new(true, "xyzzy".to_owned())));
/// ```
(ETag, "ETag") => [EntityTag]
test_etag {
// From the RFC
test_header!(test1,
vec![b"\"xyzzy\""],
Some(ETag(EntityTag::new(false, "xyzzy".to_owned()))));
test_header!(test2,
vec![b"W/\"xyzzy\""],
Some(ETag(EntityTag::new(true, "xyzzy".to_owned()))));
test_header!(test3,
vec![b"\"\""],
Some(ETag(EntityTag::new(false, "".to_owned()))));
// Own tests
test_header!(test4,
vec![b"\"foobar\""],
Some(ETag(EntityTag::new(false, "foobar".to_owned()))));
test_header!(test5,
vec![b"\"\""],
Some(ETag(EntityTag::new(false, "".to_owned()))));
test_header!(test6,
vec![b"W/\"weak-etag\""],
Some(ETag(EntityTag::new(true, "weak-etag".to_owned()))));
test_header!(test7,
vec![b"W/\"\x65\x62\""],
Some(ETag(EntityTag::new(true, "\u{0065}\u{0062}".to_owned()))));
test_header!(test8,
vec![b"W/\"\""],
Some(ETag(EntityTag::new(true, "".to_owned()))));
test_header!(test9,
vec![b"no-dquotes"],
None::<ETag>);
test_header!(test10,
vec![b"w/\"the-first-w-is-case-sensitive\""],
None::<ETag>);
test_header!(test11,
vec![b""],
None::<ETag>);
test_header!(test12,
vec![b"\"unmatched-dquotes1"],
None::<ETag>);
test_header!(test13,
vec![b"unmatched-dquotes2\""],
None::<ETag>);
test_header!(test14,
vec![b"matched-\"dquotes\""],
None::<ETag>);
}
}
bench_header!(bench, ETag, { vec![b"W/\"nonemptytag\"".to_vec()] });