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5d186d0d
编写于
11月 08, 2016
作者:
M
Michael Woerister
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电子邮件补丁
差异文件
ICH: Add test case for match-expressions
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f7d2a813
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1 changed file
with
342 addition
and
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src/test/incremental/hashes/match_expressions.rs
src/test/incremental/hashes/match_expressions.rs
+342
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未找到文件。
src/test/incremental/hashes/match_expressions.rs
0 → 100644
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5d186d0d
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// This test case tests the incremental compilation hash (ICH) implementation
// for match expressions.
// The general pattern followed here is: Change one thing between rev1 and rev2
// and make sure that the hash has changed, then change nothing between rev2 and
// rev3 and make sure that the hash has not changed.
// must-compile-successfully
// revisions: cfail1 cfail2 cfail3
// compile-flags: -Z query-dep-graph
#![allow(warnings)]
#![feature(rustc_attrs)]
#![crate_type=
"rlib"
]
// Add Arm ---------------------------------------------------------------------
#[cfg(cfail1)]
pub
fn
add_arm
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
_
=>
100
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
add_arm
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
2
=>
2
,
_
=>
100
,
}
}
// Change Order Of Arms --------------------------------------------------------
#[cfg(cfail1)]
pub
fn
change_order_of_arms
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
_
=>
100
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
change_order_of_arms
(
x
:
u32
)
->
u32
{
match
x
{
1
=>
1
,
0
=>
0
,
_
=>
100
,
}
}
// Add Guard Clause ------------------------------------------------------------
#[cfg(cfail1)]
pub
fn
add_guard_clause
(
x
:
u32
,
y
:
bool
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
_
=>
100
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
add_guard_clause
(
x
:
u32
,
y
:
bool
)
->
u32
{
match
x
{
0
=>
0
,
1
if
y
=>
1
,
_
=>
100
,
}
}
// Change Guard Clause ------------------------------------------------------------
#[cfg(cfail1)]
pub
fn
change_guard_clause
(
x
:
u32
,
y
:
bool
)
->
u32
{
match
x
{
0
=>
0
,
1
if
y
=>
1
,
_
=>
100
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
change_guard_clause
(
x
:
u32
,
y
:
bool
)
->
u32
{
match
x
{
0
=>
0
,
1
if
!
y
=>
1
,
_
=>
100
,
}
}
// Add @-Binding ---------------------------------------------------------------
#[cfg(cfail1)]
pub
fn
add_at_binding
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
_
=>
x
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
add_at_binding
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
x
@
_
=>
x
,
}
}
// Change Name of @-Binding ----------------------------------------------------
#[cfg(cfail1)]
pub
fn
change_name_of_at_binding
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
x
@
_
=>
7
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
change_name_of_at_binding
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
y
@
_
=>
7
,
}
}
// Change Simple Binding To Pattern --------------------------------------------
#[cfg(cfail1)]
pub
fn
change_simple_name_to_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
0
,
0
)
=>
0
,
a
=>
1
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
change_simple_name_to_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
0
,
0
)
=>
0
,
(
x
,
y
)
=>
1
}
}
// Change Name In Pattern ------------------------------------------------------
#[cfg(cfail1)]
pub
fn
change_name_in_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
a
,
0
)
=>
0
,
(
a
,
1
)
=>
a
,
_
=>
100
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
change_name_in_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
b
,
0
)
=>
0
,
(
a
,
1
)
=>
a
,
_
=>
100
,
}
}
// Change Mutability Of Binding In Pattern -------------------------------------
#[cfg(cfail1)]
pub
fn
change_mutability_of_binding_in_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
a
,
0
)
=>
0
,
_
=>
1
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
change_mutability_of_binding_in_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
mut
a
,
0
)
=>
0
,
_
=>
1
}
}
// Add `ref` To Binding In Pattern -------------------------------------
#[cfg(cfail1)]
pub
fn
add_ref_to_binding_in_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
a
,
0
)
=>
0
,
_
=>
1
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
add_ref_to_binding_in_pattern
(
x
:
u32
)
->
u32
{
match
(
x
,
x
&
1
)
{
(
ref
a
,
0
)
=>
0
,
_
=>
1
,
}
}
// Add `&` To Binding In Pattern -------------------------------------
#[cfg(cfail1)]
pub
fn
add_amp_to_binding_in_pattern
(
x
:
u32
)
->
u32
{
match
(
&
x
,
x
&
1
)
{
(
a
,
0
)
=>
0
,
_
=>
1
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
add_amp_to_binding_in_pattern
(
x
:
u32
)
->
u32
{
match
(
&
x
,
x
&
1
)
{
(
&
a
,
0
)
=>
0
,
_
=>
1
,
}
}
// Change RHS Of Arm -----------------------------------------------------------
#[cfg(cfail1)]
pub
fn
change_rhs_of_arm
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
_
=>
2
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
change_rhs_of_arm
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
3
,
_
=>
2
,
}
}
// Add Alternative To Arm ------------------------------------------------------
#[cfg(cfail1)]
pub
fn
add_alternative_to_arm
(
x
:
u32
)
->
u32
{
match
x
{
0
=>
0
,
1
=>
1
,
_
=>
2
,
}
}
#[cfg(not(cfail1))]
#[rustc_dirty(label=
"Hir"
,
cfg=
"cfail2"
)]
#[rustc_clean(label=
"Hir"
,
cfg=
"cfail3"
)]
#[rustc_metadata_dirty(cfg=
"cfail2"
)]
#[rustc_metadata_clean(cfg=
"cfail3"
)]
pub
fn
add_alternative_to_arm
(
x
:
u32
)
->
u32
{
match
x
{
0
|
7
=>
0
,
1
=>
3
,
_
=>
2
,
}
}
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