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Rollup of 6 pull requests #35979

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Merged
merged 20 commits into from
Aug 25, 2016
Merged

Rollup of 6 pull requests #35979

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6b95606
rustc_trans: do not generate allocas for unused locals.
eddyb Aug 23, 2016
892bf3d
Use a macro in test_decode_utf8 to preserve line numbers in panic mes…
SimonSapin Aug 23, 2016
46226a7
Yield Err in char::decode_utf8 per Unicode, like String::from_utf8_lossy
SimonSapin Aug 23, 2016
2655c89
Use idiomatic names for string-related methods names.
frewsxcv Aug 24, 2016
19aae8e
Reuse iterator to avoid unnecessary creation.
frewsxcv Aug 24, 2016
28ecfb6
Move ItemEnum → Generics logic into method on ItemEnum.
frewsxcv Aug 20, 2016
7dc4116
Migrate Context::maybe_ignore_item method to standalone function.
frewsxcv Aug 20, 2016
30397ae
Migrate ItemType::from_item to convert::From.
frewsxcv Aug 20, 2016
0c9ff54
Migrate ItemType::from_type_kind to convert::From.
frewsxcv Aug 20, 2016
9dde563
Stop reexporting `PrimitiveType` enum in librustdoc.
frewsxcv Aug 23, 2016
5c849f4
Remove unnecessary 'Primitive' prefix on `PrimitiveType` enum variants.
frewsxcv Aug 23, 2016
8a6f7a5
Implement `From<ast::IntTy>` for `PrimitiveType`.
frewsxcv Aug 23, 2016
168cfea
Implement `From<ast::UintTy>` for `PrimitiveType`.
frewsxcv Aug 23, 2016
42e8ac8
Implement `From<ast::FloatTy>` for `PrimitiveType`.
frewsxcv Aug 23, 2016
cf64611
Fix debug line info for macro expansions.
vadimcn Aug 25, 2016
e0e1954
Rollup merge of #35238 - vadimcn:macro-debug-locs, r=michaelwoerister
Manishearth Aug 25, 2016
5e69622
Rollup merge of #35867 - frewsxcv:rustdoc-cleanup, r=alexcrichton
Manishearth Aug 25, 2016
7963bbb
Rollup merge of #35916 - eddyb:mir-no-dead-allocas, r=Aatch
Manishearth Aug 25, 2016
5deee46
Rollup merge of #35947 - SimonSapin:decodeutf8-error-handling, r=alex…
Manishearth Aug 25, 2016
cf597ab
Rollup merge of #35955 - frewsxcv:idiomatic-methods, r=eddyb
Manishearth Aug 25, 2016
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Use a macro in test_decode_utf8 to preserve line numbers in panic mes… 
…sages.
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@SimonSapin
SimonSapin committed Aug 23, 2016
commit 892bf3d41d8f1b5c26f19fd0f20edd1584c958a1
50 changes: 26 additions & 24 deletions src/libcoretest/char.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -358,29 +358,31 @@ fn eu_iterator_specializations() {

#[test]
fn test_decode_utf8() {
use core::char::*;
use core::iter::FromIterator;

for &(str, bs) in [("", &[] as &[u8]),
("A", &[0x41u8] as &[u8]),
("�", &[0xC1u8, 0x81u8] as &[u8]),
("♥", &[0xE2u8, 0x99u8, 0xA5u8]),
("♥A", &[0xE2u8, 0x99u8, 0xA5u8, 0x41u8] as &[u8]),
("�", &[0xE2u8, 0x99u8] as &[u8]),
("�A", &[0xE2u8, 0x99u8, 0x41u8] as &[u8]),
("�", &[0xC0u8] as &[u8]),
("�A", &[0xC0u8, 0x41u8] as &[u8]),
("�", &[0x80u8] as &[u8]),
("�A", &[0x80u8, 0x41u8] as &[u8]),
("�", &[0xFEu8] as &[u8]),
("�A", &[0xFEu8, 0x41u8] as &[u8]),
("�", &[0xFFu8] as &[u8]),
("�A", &[0xFFu8, 0x41u8] as &[u8])].into_iter() {
assert!(Iterator::eq(str.chars(),
decode_utf8(bs.into_iter().map(|&b|b))
.map(|r_b| r_b.unwrap_or('\u{FFFD}'))),
"chars = {}, bytes = {:?}, decoded = {:?}", str, bs,
Vec::from_iter(decode_utf8(bs.into_iter().map(|&b|b))
.map(|r_b| r_b.unwrap_or('\u{FFFD}'))));
macro_rules! assert_decode_utf8 {
($input_bytes: expr, $expected_str: expr) => {
let input_bytes: &[u8] = &$input_bytes;
let s = char::decode_utf8(input_bytes.iter().cloned())
.map(|r_b| r_b.unwrap_or('\u{FFFD}'))
.collect::<String>();
assert_eq!(s, $expected_str,
"input bytes: {:?}, expected str: {:?}, result: {:?}",
input_bytes, $expected_str, s);
}
}

assert_decode_utf8!([], "");
assert_decode_utf8!([0x41], "A");
assert_decode_utf8!([0xC1, 0x81], "�");
assert_decode_utf8!([0xE2, 0x99, 0xA5], "♥");
assert_decode_utf8!([0xE2, 0x99, 0xA5, 0x41], "♥A");
assert_decode_utf8!([0xE2, 0x99], "�");
assert_decode_utf8!([0xE2, 0x99, 0x41], "�A");
assert_decode_utf8!([0xC0], "�");
assert_decode_utf8!([0xC0, 0x41], "�A");
assert_decode_utf8!([0x80], "�");
assert_decode_utf8!([0x80, 0x41], "�A");
assert_decode_utf8!([0xFE], "�");
assert_decode_utf8!([0xFE, 0x41], "�A");
assert_decode_utf8!([0xFF], "�");
assert_decode_utf8!([0xFF, 0x41], "�A");
}