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体验新版 GitCode,发现更多精彩内容 >>
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e4e5e0d8
编写于
6月 28, 2016
作者:
M
Matt Warren
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差异文件
Appease Jason
上级
aa2ec337
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
11 addition
and
7 deletion
+11
-7
src/Compilers/Core/CodeAnalysisTest/Text/TextChangeTests.cs
src/Compilers/Core/CodeAnalysisTest/Text/TextChangeTests.cs
+10
-6
src/Compilers/Core/Portable/Text/ChangedText.cs
src/Compilers/Core/Portable/Text/ChangedText.cs
+1
-1
未找到文件。
src/Compilers/Core/CodeAnalysisTest/Text/TextChangeTests.cs
浏览文件 @
e4e5e0d8
...
...
@@ -603,18 +603,22 @@ public void TestLargeTextWriterDoesNotResuseSmallChunks()
[
WorkItem
(
10452
,
"https://github.com/dotnet/roslyn/issues/10452"
)]
public
void
TestEmptyChangeAfterChange
()
{
SourceText
.
From
(
"Hello World"
)
.
WithChanges
(
new
TextChange
(
new
TextSpan
(
5
,
6
),
string
.
Empty
))
// prepare a ChangedText instance
.
WithChanges
();
// this should not cause exception
var
original
=
SourceText
.
From
(
"Hello World"
);
var
change1
=
original
.
WithChanges
(
new
TextChange
(
new
TextSpan
(
5
,
6
),
string
.
Empty
));
// prepare a ChangedText instance
var
change2
=
change1
.
WithChanges
();
// this should not cause exception
Assert
.
Same
(
change1
,
change2
);
// this was a no-op and returned the same instance
}
[
Fact
]
[
WorkItem
(
10452
,
"https://github.com/dotnet/roslyn/issues/10452"
)]
public
void
TestEmptyChangeAfterChange2
()
{
SourceText
.
From
(
"Hello World"
)
.
WithChanges
(
new
TextChange
(
new
TextSpan
(
5
,
6
),
string
.
Empty
))
// prepare a ChangedText instance
.
WithChanges
(
new
TextChange
(
new
TextSpan
(
2
,
0
),
string
.
Empty
));
// this should not cause exception
var
original
=
SourceText
.
From
(
"Hello World"
);
var
change1
=
original
.
WithChanges
(
new
TextChange
(
new
TextSpan
(
5
,
6
),
string
.
Empty
));
// prepare a ChangedText instance
var
change2
=
change1
.
WithChanges
(
new
TextChange
(
new
TextSpan
(
2
,
0
),
string
.
Empty
));
// this should not cause exception
Assert
.
Same
(
change1
,
change2
);
// this was a no-op and returned the same instance
}
}
}
\ No newline at end of file
src/Compilers/Core/Portable/Text/ChangedText.cs
浏览文件 @
e4e5e0d8
...
...
@@ -83,7 +83,7 @@ public override void CopyTo(int sourceIndex, char[] destination, int destination
public
override
SourceText
WithChanges
(
IEnumerable
<
TextChange
>
changes
)
{
// compute changes against newText to avoid capturing strong references to this ChangedText instance.
// note: _newText is never a ChangeText, so if WithChanges is a no-op the result will not be a ChangedText
// note: _newText is never a Change
d
Text, so if WithChanges is a no-op the result will not be a ChangedText
var
changed
=
_newText
.
WithChanges
(
changes
)
as
ChangedText
;
if
(
changed
!=
null
)
{
...
...
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