-
Notifications
You must be signed in to change notification settings - Fork 12.5k
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
f0c7857
commit ce51e65
Showing
3 changed files
with
212 additions
and
215 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,151 @@ | ||
use super::{ | ||
Format as F, | ||
Num as N, | ||
Substitution as S, | ||
iter_subs, | ||
parse_next_substitution as pns, | ||
}; | ||
|
||
macro_rules! assert_eq_pnsat { | ||
($lhs:expr, $rhs:expr) => { | ||
assert_eq!( | ||
pns($lhs).and_then(|(s, _)| s.translate()), | ||
$rhs.map(<String as From<&str>>::from) | ||
) | ||
}; | ||
} | ||
|
||
#[test] | ||
fn test_escape() { | ||
assert_eq!(pns("has no escapes"), None); | ||
assert_eq!(pns("has no escapes, either %"), None); | ||
assert_eq!(pns("*so* has a %% escape"), Some((S::Escape," escape"))); | ||
assert_eq!(pns("%% leading escape"), Some((S::Escape, " leading escape"))); | ||
assert_eq!(pns("trailing escape %%"), Some((S::Escape, ""))); | ||
} | ||
|
||
#[test] | ||
fn test_parse() { | ||
macro_rules! assert_pns_eq_sub { | ||
($in_:expr, { | ||
$param:expr, $flags:expr, | ||
$width:expr, $prec:expr, $len:expr, $type_:expr, | ||
$pos:expr, | ||
}) => { | ||
assert_eq!( | ||
pns(concat!($in_, "!")), | ||
Some(( | ||
S::Format(F { | ||
span: $in_, | ||
parameter: $param, | ||
flags: $flags, | ||
width: $width, | ||
precision: $prec, | ||
length: $len, | ||
type_: $type_, | ||
position: syntax_pos::InnerSpan::new($pos.0, $pos.1), | ||
}), | ||
"!" | ||
)) | ||
) | ||
}; | ||
} | ||
|
||
assert_pns_eq_sub!("%!", | ||
{ None, "", None, None, None, "!", (0, 2), }); | ||
assert_pns_eq_sub!("%c", | ||
{ None, "", None, None, None, "c", (0, 2), }); | ||
assert_pns_eq_sub!("%s", | ||
{ None, "", None, None, None, "s", (0, 2), }); | ||
assert_pns_eq_sub!("%06d", | ||
{ None, "0", Some(N::Num(6)), None, None, "d", (0, 4), }); | ||
assert_pns_eq_sub!("%4.2f", | ||
{ None, "", Some(N::Num(4)), Some(N::Num(2)), None, "f", (0, 5), }); | ||
assert_pns_eq_sub!("%#x", | ||
{ None, "#", None, None, None, "x", (0, 3), }); | ||
assert_pns_eq_sub!("%-10s", | ||
{ None, "-", Some(N::Num(10)), None, None, "s", (0, 5), }); | ||
assert_pns_eq_sub!("%*s", | ||
{ None, "", Some(N::Next), None, None, "s", (0, 3), }); | ||
assert_pns_eq_sub!("%-10.*s", | ||
{ None, "-", Some(N::Num(10)), Some(N::Next), None, "s", (0, 7), }); | ||
assert_pns_eq_sub!("%-*.*s", | ||
{ None, "-", Some(N::Next), Some(N::Next), None, "s", (0, 6), }); | ||
assert_pns_eq_sub!("%.6i", | ||
{ None, "", None, Some(N::Num(6)), None, "i", (0, 4), }); | ||
assert_pns_eq_sub!("%+i", | ||
{ None, "+", None, None, None, "i", (0, 3), }); | ||
assert_pns_eq_sub!("%08X", | ||
{ None, "0", Some(N::Num(8)), None, None, "X", (0, 4), }); | ||
assert_pns_eq_sub!("%lu", | ||
{ None, "", None, None, Some("l"), "u", (0, 3), }); | ||
assert_pns_eq_sub!("%Iu", | ||
{ None, "", None, None, Some("I"), "u", (0, 3), }); | ||
assert_pns_eq_sub!("%I32u", | ||
{ None, "", None, None, Some("I32"), "u", (0, 5), }); | ||
assert_pns_eq_sub!("%I64u", | ||
{ None, "", None, None, Some("I64"), "u", (0, 5), }); | ||
assert_pns_eq_sub!("%'d", | ||
{ None, "'", None, None, None, "d", (0, 3), }); | ||
assert_pns_eq_sub!("%10s", | ||
{ None, "", Some(N::Num(10)), None, None, "s", (0, 4), }); | ||
assert_pns_eq_sub!("%-10.10s", | ||
{ None, "-", Some(N::Num(10)), Some(N::Num(10)), None, "s", (0, 8), }); | ||
assert_pns_eq_sub!("%1$d", | ||
{ Some(1), "", None, None, None, "d", (0, 4), }); | ||
assert_pns_eq_sub!("%2$.*3$d", | ||
{ Some(2), "", None, Some(N::Arg(3)), None, "d", (0, 8), }); | ||
assert_pns_eq_sub!("%1$*2$.*3$d", | ||
{ Some(1), "", Some(N::Arg(2)), Some(N::Arg(3)), None, "d", (0, 11), }); | ||
assert_pns_eq_sub!("%-8ld", | ||
{ None, "-", Some(N::Num(8)), None, Some("l"), "d", (0, 5), }); | ||
} | ||
|
||
#[test] | ||
fn test_iter() { | ||
let s = "The %d'th word %% is: `%.*s` %!\n"; | ||
let subs: Vec<_> = iter_subs(s, 0).map(|sub| sub.translate()).collect(); | ||
assert_eq!( | ||
subs.iter().map(|ms| ms.as_ref().map(|s| &s[..])).collect::<Vec<_>>(), | ||
vec![Some("{}"), None, Some("{:.*}"), None] | ||
); | ||
} | ||
|
||
/// Checks that the translations are what we expect. | ||
#[test] | ||
fn test_translation() { | ||
assert_eq_pnsat!("%c", Some("{}")); | ||
assert_eq_pnsat!("%d", Some("{}")); | ||
assert_eq_pnsat!("%u", Some("{}")); | ||
assert_eq_pnsat!("%x", Some("{:x}")); | ||
assert_eq_pnsat!("%X", Some("{:X}")); | ||
assert_eq_pnsat!("%e", Some("{:e}")); | ||
assert_eq_pnsat!("%E", Some("{:E}")); | ||
assert_eq_pnsat!("%f", Some("{}")); | ||
assert_eq_pnsat!("%g", Some("{:e}")); | ||
assert_eq_pnsat!("%G", Some("{:E}")); | ||
assert_eq_pnsat!("%s", Some("{}")); | ||
assert_eq_pnsat!("%p", Some("{:p}")); | ||
|
||
assert_eq_pnsat!("%06d", Some("{:06}")); | ||
assert_eq_pnsat!("%4.2f", Some("{:4.2}")); | ||
assert_eq_pnsat!("%#x", Some("{:#x}")); | ||
assert_eq_pnsat!("%-10s", Some("{:<10}")); | ||
assert_eq_pnsat!("%*s", None); | ||
assert_eq_pnsat!("%-10.*s", Some("{:<10.*}")); | ||
assert_eq_pnsat!("%-*.*s", None); | ||
assert_eq_pnsat!("%.6i", Some("{:06}")); | ||
assert_eq_pnsat!("%+i", Some("{:+}")); | ||
assert_eq_pnsat!("%08X", Some("{:08X}")); | ||
assert_eq_pnsat!("%lu", Some("{}")); | ||
assert_eq_pnsat!("%Iu", Some("{}")); | ||
assert_eq_pnsat!("%I32u", Some("{}")); | ||
assert_eq_pnsat!("%I64u", Some("{}")); | ||
assert_eq_pnsat!("%'d", None); | ||
assert_eq_pnsat!("%10s", Some("{:>10}")); | ||
assert_eq_pnsat!("%-10.10s", Some("{:<10.10}")); | ||
assert_eq_pnsat!("%1$d", Some("{0}")); | ||
assert_eq_pnsat!("%2$.*3$d", Some("{1:02$}")); | ||
assert_eq_pnsat!("%1$*2$.*3$s", Some("{0:>1$.2$}")); | ||
assert_eq_pnsat!("%-8ld", Some("{:<8}")); | ||
} |
Oops, something went wrong.