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dca3f55a
编写于
9月 19, 2013
作者:
P
psandoz
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
8024405: Spliterators.spliterator should support CONCURRENT characteristic
Reviewed-by: martin
上级
5347d042
变更
4
显示空白变更内容
内联
并排
Showing
4 changed file
with
194 addition
and
39 deletion
+194
-39
src/share/classes/java/util/Spliterator.java
src/share/classes/java/util/Spliterator.java
+1
-1
src/share/classes/java/util/Spliterators.java
src/share/classes/java/util/Spliterators.java
+44
-34
test/java/util/Spliterator/SpliteratorCharacteristics.java
test/java/util/Spliterator/SpliteratorCharacteristics.java
+140
-2
test/java/util/Spliterator/SpliteratorTraversingAndSplittingTest.java
...il/Spliterator/SpliteratorTraversingAndSplittingTest.java
+9
-2
未找到文件。
src/share/classes/java/util/Spliterator.java
浏览文件 @
dca3f55a
...
@@ -539,7 +539,7 @@ public interface Spliterator<T> {
...
@@ -539,7 +539,7 @@ public interface Spliterator<T> {
* Spliterator is expected to have a documented policy concerning the impact
* Spliterator is expected to have a documented policy concerning the impact
* of modifications during traversal.
* of modifications during traversal.
*
*
* <p>A top-level Spliterator should not report {@code CONCURRENT} and
* <p>A top-level Spliterator should not report
both
{@code CONCURRENT} and
* {@code SIZED}, since the finite size, if known, may change if the source
* {@code SIZED}, since the finite size, if known, may change if the source
* is concurrently modified during traversal. Such a Spliterator is
* is concurrently modified during traversal. Such a Spliterator is
* inconsistent and no guarantees can be made about any computation using
* inconsistent and no guarantees can be made about any computation using
...
...
src/share/classes/java/util/Spliterators.java
浏览文件 @
dca3f55a
...
@@ -409,16 +409,16 @@ public final class Spliterators {
...
@@ -409,16 +409,16 @@ public final class Spliterators {
*
*
* @param <T> Type of elements
* @param <T> Type of elements
* @param c The collection
* @param c The collection
* @param
additionalCharacteristics Additional spliterator characteristics
* @param
characteristics Characteristics of this spliterator's source or
*
of this spliterator's source or elements beyond {@code SIZED} and
*
elements. The characteristics {@code SIZED} and {@code SUBSIZED}
*
{@code SUBSIZED} which are are always reported
*
are additionally reported unless {@code CONCURRENT} is supplied.
* @return A spliterator from an iterator
* @return A spliterator from an iterator
* @throws NullPointerException if the given collection is {@code null}
* @throws NullPointerException if the given collection is {@code null}
*/
*/
public
static
<
T
>
Spliterator
<
T
>
spliterator
(
Collection
<?
extends
T
>
c
,
public
static
<
T
>
Spliterator
<
T
>
spliterator
(
Collection
<?
extends
T
>
c
,
int
additionalC
haracteristics
)
{
int
c
haracteristics
)
{
return
new
IteratorSpliterator
<>(
Objects
.
requireNonNull
(
c
),
return
new
IteratorSpliterator
<>(
Objects
.
requireNonNull
(
c
),
additionalC
haracteristics
);
c
haracteristics
);
}
}
/**
/**
...
@@ -439,17 +439,17 @@ public final class Spliterators {
...
@@ -439,17 +439,17 @@ public final class Spliterators {
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param size The number of elements in the source, to be reported as
* @param size The number of elements in the source, to be reported as
* initial {@code estimateSize}
* initial {@code estimateSize}
* @param
additionalCharacteristics Additional spliterator characteristics
* @param
characteristics Characteristics of this spliterator's source or
*
of this spliterator's source or elements beyond {@code SIZED} and
*
elements. The characteristics {@code SIZED} and {@code SUBSIZED}
*
{@code SUBSIZED} which are are always reported
*
are additionally reported unless {@code CONCURRENT} is supplied.
* @return A spliterator from an iterator
* @return A spliterator from an iterator
* @throws NullPointerException if the given iterator is {@code null}
* @throws NullPointerException if the given iterator is {@code null}
*/
*/
public
static
<
T
>
Spliterator
<
T
>
spliterator
(
Iterator
<?
extends
T
>
iterator
,
public
static
<
T
>
Spliterator
<
T
>
spliterator
(
Iterator
<?
extends
T
>
iterator
,
long
size
,
long
size
,
int
additionalC
haracteristics
)
{
int
c
haracteristics
)
{
return
new
IteratorSpliterator
<>(
Objects
.
requireNonNull
(
iterator
),
size
,
return
new
IteratorSpliterator
<>(
Objects
.
requireNonNull
(
iterator
),
size
,
additionalC
haracteristics
);
c
haracteristics
);
}
}
/**
/**
...
@@ -467,7 +467,7 @@ public final class Spliterators {
...
@@ -467,7 +467,7 @@ public final class Spliterators {
*
*
* @param <T> Type of elements
* @param <T> Type of elements
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param characteristics
Propertie
s of this spliterator's source
* @param characteristics
Characteristic
s of this spliterator's source
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* ignored and are not reported.)
* ignored and are not reported.)
* @return A spliterator from an iterator
* @return A spliterator from an iterator
...
@@ -496,17 +496,17 @@ public final class Spliterators {
...
@@ -496,17 +496,17 @@ public final class Spliterators {
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param size The number of elements in the source, to be reported as
* @param size The number of elements in the source, to be reported as
* initial {@code estimateSize}.
* initial {@code estimateSize}.
* @param
additionalCharacteristics Additional spliterator characteristics
* @param
characteristics Characteristics of this spliterator's source or
*
of this spliterator's source or elements beyond {@code SIZED} and
*
elements. The characteristics {@code SIZED} and {@code SUBSIZED}
*
{@code SUBSIZED} which are are always reported
*
are additionally reported unless {@code CONCURRENT} is supplied.
* @return A spliterator from an iterator
* @return A spliterator from an iterator
* @throws NullPointerException if the given iterator is {@code null}
* @throws NullPointerException if the given iterator is {@code null}
*/
*/
public
static
Spliterator
.
OfInt
spliterator
(
PrimitiveIterator
.
OfInt
iterator
,
public
static
Spliterator
.
OfInt
spliterator
(
PrimitiveIterator
.
OfInt
iterator
,
long
size
,
long
size
,
int
additionalC
haracteristics
)
{
int
c
haracteristics
)
{
return
new
IntIteratorSpliterator
(
Objects
.
requireNonNull
(
iterator
),
return
new
IntIteratorSpliterator
(
Objects
.
requireNonNull
(
iterator
),
size
,
additionalC
haracteristics
);
size
,
c
haracteristics
);
}
}
/**
/**
...
@@ -524,7 +524,7 @@ public final class Spliterators {
...
@@ -524,7 +524,7 @@ public final class Spliterators {
* operated on after the spliterator is returned.
* operated on after the spliterator is returned.
*
*
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param characteristics
Propertie
s of this spliterator's source
* @param characteristics
Characteristic
s of this spliterator's source
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* ignored and are not reported.)
* ignored and are not reported.)
* @return A spliterator from an iterator
* @return A spliterator from an iterator
...
@@ -553,17 +553,17 @@ public final class Spliterators {
...
@@ -553,17 +553,17 @@ public final class Spliterators {
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param size The number of elements in the source, to be reported as
* @param size The number of elements in the source, to be reported as
* initial {@code estimateSize}.
* initial {@code estimateSize}.
* @param
additionalCharacteristics Additional spliterator characteristics
* @param
characteristics Characteristics of this spliterator's source or
*
of this spliterator's source or elements beyond {@code SIZED} and
*
elements. The characteristics {@code SIZED} and {@code SUBSIZED}
*
{@code SUBSIZED} which are are always reported
*
are additionally reported unless {@code CONCURRENT} is supplied.
* @return A spliterator from an iterator
* @return A spliterator from an iterator
* @throws NullPointerException if the given iterator is {@code null}
* @throws NullPointerException if the given iterator is {@code null}
*/
*/
public
static
Spliterator
.
OfLong
spliterator
(
PrimitiveIterator
.
OfLong
iterator
,
public
static
Spliterator
.
OfLong
spliterator
(
PrimitiveIterator
.
OfLong
iterator
,
long
size
,
long
size
,
int
additionalC
haracteristics
)
{
int
c
haracteristics
)
{
return
new
LongIteratorSpliterator
(
Objects
.
requireNonNull
(
iterator
),
return
new
LongIteratorSpliterator
(
Objects
.
requireNonNull
(
iterator
),
size
,
additionalC
haracteristics
);
size
,
c
haracteristics
);
}
}
/**
/**
...
@@ -581,7 +581,7 @@ public final class Spliterators {
...
@@ -581,7 +581,7 @@ public final class Spliterators {
* operated on after the spliterator is returned.
* operated on after the spliterator is returned.
*
*
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param characteristics
Propertie
s of this spliterator's source
* @param characteristics
Characteristic
s of this spliterator's source
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* ignored and are not reported.)
* ignored and are not reported.)
* @return A spliterator from an iterator
* @return A spliterator from an iterator
...
@@ -610,17 +610,17 @@ public final class Spliterators {
...
@@ -610,17 +610,17 @@ public final class Spliterators {
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param size The number of elements in the source, to be reported as
* @param size The number of elements in the source, to be reported as
* initial {@code estimateSize}
* initial {@code estimateSize}
* @param
additionalCharacteristics Additional spliterator characteristics
* @param
characteristics Characteristics of this spliterator's source or
*
of this spliterator's source or elements beyond {@code SIZED} and
*
elements. The characteristics {@code SIZED} and {@code SUBSIZED}
*
{@code SUBSIZED} which are are always reported
*
are additionally reported unless {@code CONCURRENT} is supplied.
* @return A spliterator from an iterator
* @return A spliterator from an iterator
* @throws NullPointerException if the given iterator is {@code null}
* @throws NullPointerException if the given iterator is {@code null}
*/
*/
public
static
Spliterator
.
OfDouble
spliterator
(
PrimitiveIterator
.
OfDouble
iterator
,
public
static
Spliterator
.
OfDouble
spliterator
(
PrimitiveIterator
.
OfDouble
iterator
,
long
size
,
long
size
,
int
additionalC
haracteristics
)
{
int
c
haracteristics
)
{
return
new
DoubleIteratorSpliterator
(
Objects
.
requireNonNull
(
iterator
),
return
new
DoubleIteratorSpliterator
(
Objects
.
requireNonNull
(
iterator
),
size
,
additionalC
haracteristics
);
size
,
c
haracteristics
);
}
}
/**
/**
...
@@ -638,7 +638,7 @@ public final class Spliterators {
...
@@ -638,7 +638,7 @@ public final class Spliterators {
* operated on after the spliterator is returned.
* operated on after the spliterator is returned.
*
*
* @param iterator The iterator for the source
* @param iterator The iterator for the source
* @param characteristics
Propertie
s of this spliterator's source
* @param characteristics
Characteristic
s of this spliterator's source
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* or elements ({@code SIZED} and {@code SUBSIZED}, if supplied, are
* ignored and are not reported.)
* ignored and are not reported.)
* @return A spliterator from an iterator
* @return A spliterator from an iterator
...
@@ -1710,7 +1710,9 @@ public final class Spliterators {
...
@@ -1710,7 +1710,9 @@ public final class Spliterators {
public
IteratorSpliterator
(
Collection
<?
extends
T
>
collection
,
int
characteristics
)
{
public
IteratorSpliterator
(
Collection
<?
extends
T
>
collection
,
int
characteristics
)
{
this
.
collection
=
collection
;
this
.
collection
=
collection
;
this
.
it
=
null
;
this
.
it
=
null
;
this
.
characteristics
=
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
;
this
.
characteristics
=
(
characteristics
&
Spliterator
.
CONCURRENT
)
==
0
?
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
:
characteristics
;
}
}
/**
/**
...
@@ -1727,7 +1729,9 @@ public final class Spliterators {
...
@@ -1727,7 +1729,9 @@ public final class Spliterators {
this
.
collection
=
null
;
this
.
collection
=
null
;
this
.
it
=
iterator
;
this
.
it
=
iterator
;
this
.
est
=
size
;
this
.
est
=
size
;
this
.
characteristics
=
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
;
this
.
characteristics
=
(
characteristics
&
Spliterator
.
CONCURRENT
)
==
0
?
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
:
characteristics
;
}
}
/**
/**
...
@@ -1857,7 +1861,9 @@ public final class Spliterators {
...
@@ -1857,7 +1861,9 @@ public final class Spliterators {
public
IntIteratorSpliterator
(
PrimitiveIterator
.
OfInt
iterator
,
long
size
,
int
characteristics
)
{
public
IntIteratorSpliterator
(
PrimitiveIterator
.
OfInt
iterator
,
long
size
,
int
characteristics
)
{
this
.
it
=
iterator
;
this
.
it
=
iterator
;
this
.
est
=
size
;
this
.
est
=
size
;
this
.
characteristics
=
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
;
this
.
characteristics
=
(
characteristics
&
Spliterator
.
CONCURRENT
)
==
0
?
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
:
characteristics
;
}
}
/**
/**
...
@@ -1949,7 +1955,9 @@ public final class Spliterators {
...
@@ -1949,7 +1955,9 @@ public final class Spliterators {
public
LongIteratorSpliterator
(
PrimitiveIterator
.
OfLong
iterator
,
long
size
,
int
characteristics
)
{
public
LongIteratorSpliterator
(
PrimitiveIterator
.
OfLong
iterator
,
long
size
,
int
characteristics
)
{
this
.
it
=
iterator
;
this
.
it
=
iterator
;
this
.
est
=
size
;
this
.
est
=
size
;
this
.
characteristics
=
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
;
this
.
characteristics
=
(
characteristics
&
Spliterator
.
CONCURRENT
)
==
0
?
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
:
characteristics
;
}
}
/**
/**
...
@@ -2041,7 +2049,9 @@ public final class Spliterators {
...
@@ -2041,7 +2049,9 @@ public final class Spliterators {
public
DoubleIteratorSpliterator
(
PrimitiveIterator
.
OfDouble
iterator
,
long
size
,
int
characteristics
)
{
public
DoubleIteratorSpliterator
(
PrimitiveIterator
.
OfDouble
iterator
,
long
size
,
int
characteristics
)
{
this
.
it
=
iterator
;
this
.
it
=
iterator
;
this
.
est
=
size
;
this
.
est
=
size
;
this
.
characteristics
=
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
;
this
.
characteristics
=
(
characteristics
&
Spliterator
.
CONCURRENT
)
==
0
?
characteristics
|
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
:
characteristics
;
}
}
/**
/**
...
...
test/java/util/Spliterator/SpliteratorCharacteristics.java
浏览文件 @
dca3f55a
...
@@ -23,7 +23,7 @@
...
@@ -23,7 +23,7 @@
/**
/**
* @test
* @test
* @bug 8020156 8020009 8022326 8012913
* @bug 8020156 8020009 8022326 8012913
8024405
* @run testng SpliteratorCharacteristics
* @run testng SpliteratorCharacteristics
*/
*/
...
@@ -36,21 +36,150 @@ import java.util.HashMap;
...
@@ -36,21 +36,150 @@ import java.util.HashMap;
import
java.util.HashSet
;
import
java.util.HashSet
;
import
java.util.LinkedHashMap
;
import
java.util.LinkedHashMap
;
import
java.util.LinkedHashSet
;
import
java.util.LinkedHashSet
;
import
java.util.List
;
import
java.util.Map
;
import
java.util.Map
;
import
java.util.PrimitiveIterator
;
import
java.util.Set
;
import
java.util.Set
;
import
java.util.SortedMap
;
import
java.util.SortedMap
;
import
java.util.SortedSet
;
import
java.util.SortedSet
;
import
java.util.Spliterator
;
import
java.util.Spliterator
;
import
java.util.Spliterators
;
import
java.util.TreeMap
;
import
java.util.TreeMap
;
import
java.util.TreeSet
;
import
java.util.TreeSet
;
import
java.util.concurrent.ConcurrentSkipListMap
;
import
java.util.concurrent.ConcurrentSkipListMap
;
import
java.util.concurrent.ConcurrentSkipListSet
;
import
java.util.concurrent.ConcurrentSkipListSet
;
import
java.util.function.Supplier
;
import
java.util.stream.DoubleStream
;
import
java.util.stream.IntStream
;
import
java.util.stream.LongStream
;
import
static
org
.
testng
.
Assert
.*;
import
static
org
.
testng
.
Assert
.*;
@Test
@Test
public
class
SpliteratorCharacteristics
{
public
class
SpliteratorCharacteristics
{
public
void
testSpliteratorFromCollection
()
{
List
<
Integer
>
l
=
Arrays
.
asList
(
1
,
2
,
3
,
4
);
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
l
,
0
);
assertCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
l
,
Spliterator
.
CONCURRENT
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
l
.
iterator
(
),
1
,
0
);
assertCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
l
.
iterator
(
),
1
,
Spliterator
.
CONCURRENT
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
l
.
iterator
(
),
0
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
l
.
iterator
(),
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
}
public
void
testSpliteratorOfIntFromIterator
()
{
Supplier
<
PrimitiveIterator
.
OfInt
>
si
=
()
->
IntStream
.
of
(
1
,
2
,
3
,
4
).
iterator
();
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
si
.
get
(),
1
,
0
);
assertCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
si
.
get
(),
1
,
Spliterator
.
CONCURRENT
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
si
.
get
(),
0
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
si
.
get
(),
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
}
public
void
testSpliteratorOfLongFromIterator
()
{
Supplier
<
PrimitiveIterator
.
OfLong
>
si
=
()
->
LongStream
.
of
(
1
,
2
,
3
,
4
).
iterator
();
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
si
.
get
(),
1
,
0
);
assertCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
si
.
get
(),
1
,
Spliterator
.
CONCURRENT
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
si
.
get
(),
0
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
si
.
get
(),
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
}
public
void
testSpliteratorOfDoubleFromIterator
()
{
Supplier
<
PrimitiveIterator
.
OfDouble
>
si
=
()
->
DoubleStream
.
of
(
1
,
2
,
3
,
4
).
iterator
();
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
si
.
get
(),
1
,
0
);
assertCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliterator
(
si
.
get
(),
1
,
Spliterator
.
CONCURRENT
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertCharacteristics
(
s
,
Spliterator
.
CONCURRENT
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
si
.
get
(),
0
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
{
Spliterator
<?>
s
=
Spliterators
.
spliteratorUnknownSize
(
si
.
get
(),
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
assertHasNotCharacteristics
(
s
,
Spliterator
.
SIZED
|
Spliterator
.
SUBSIZED
);
}
}
//
public
void
testHashMap
()
{
public
void
testHashMap
()
{
assertMapCharacteristics
(
new
HashMap
<>(),
assertMapCharacteristics
(
new
HashMap
<>(),
Spliterator
.
SIZED
|
Spliterator
.
DISTINCT
);
Spliterator
.
SIZED
|
Spliterator
.
DISTINCT
);
...
@@ -199,7 +328,16 @@ public class SpliteratorCharacteristics {
...
@@ -199,7 +328,16 @@ public class SpliteratorCharacteristics {
}
}
void
assertCharacteristics
(
Collection
<?>
c
,
int
expectedCharacteristics
)
{
void
assertCharacteristics
(
Collection
<?>
c
,
int
expectedCharacteristics
)
{
assertTrue
(
c
.
spliterator
().
hasCharacteristics
(
expectedCharacteristics
),
assertCharacteristics
(
c
.
spliterator
(),
expectedCharacteristics
);
}
void
assertCharacteristics
(
Spliterator
<?>
s
,
int
expectedCharacteristics
)
{
assertTrue
(
s
.
hasCharacteristics
(
expectedCharacteristics
),
"Spliterator characteristics"
);
}
void
assertHasNotCharacteristics
(
Spliterator
<?>
s
,
int
expectedCharacteristics
)
{
assertFalse
(
s
.
hasCharacteristics
(
expectedCharacteristics
),
"Spliterator characteristics"
);
"Spliterator characteristics"
);
}
}
...
...
test/java/util/Spliterator/SpliteratorTraversingAndSplittingTest.java
浏览文件 @
dca3f55a
...
@@ -1159,7 +1159,7 @@ public class SpliteratorTraversingAndSplittingTest {
...
@@ -1159,7 +1159,7 @@ public class SpliteratorTraversingAndSplittingTest {
List
<
T
>
dest
=
new
ArrayList
<>();
List
<
T
>
dest
=
new
ArrayList
<>();
spliterator
=
supplier
.
get
();
spliterator
=
supplier
.
get
();
assertSpliterator
(
spliterator
);
assert
Root
Spliterator
(
spliterator
);
// verify splitting with forEach
// verify splitting with forEach
visit
(
depth
,
0
,
dest
,
spliterator
,
boxingAdapter
,
spliterator
.
characteristics
(),
false
);
visit
(
depth
,
0
,
dest
,
spliterator
,
boxingAdapter
,
spliterator
.
characteristics
(),
false
);
...
@@ -1234,7 +1234,7 @@ public class SpliteratorTraversingAndSplittingTest {
...
@@ -1234,7 +1234,7 @@ public class SpliteratorTraversingAndSplittingTest {
UnaryOperator
<
Consumer
<
T
>>
boxingAdapter
)
{
UnaryOperator
<
Consumer
<
T
>>
boxingAdapter
)
{
Spliterator
<
T
>
s
=
supplier
.
get
();
Spliterator
<
T
>
s
=
supplier
.
get
();
boolean
isOrdered
=
s
.
hasCharacteristics
(
Spliterator
.
ORDERED
);
boolean
isOrdered
=
s
.
hasCharacteristics
(
Spliterator
.
ORDERED
);
assertSpliterator
(
s
);
assert
Root
Spliterator
(
s
);
List
<
T
>
splits
=
new
ArrayList
<>();
List
<
T
>
splits
=
new
ArrayList
<>();
Consumer
<
T
>
c
=
boxingAdapter
.
apply
(
splits:
:
add
);
Consumer
<
T
>
c
=
boxingAdapter
.
apply
(
splits:
:
add
);
...
@@ -1326,6 +1326,13 @@ public class SpliteratorTraversingAndSplittingTest {
...
@@ -1326,6 +1326,13 @@ public class SpliteratorTraversingAndSplittingTest {
}
}
}
}
private
static
void
assertRootSpliterator
(
Spliterator
<?>
s
)
{
assertFalse
(
s
.
hasCharacteristics
(
Spliterator
.
SIZED
|
Spliterator
.
CONCURRENT
),
"Root spliterator should not be SIZED and CONCURRENT"
);
assertSpliterator
(
s
);
}
private
static
void
assertSpliterator
(
Spliterator
<?>
s
,
int
rootCharacteristics
)
{
private
static
void
assertSpliterator
(
Spliterator
<?>
s
,
int
rootCharacteristics
)
{
if
((
rootCharacteristics
&
Spliterator
.
SUBSIZED
)
!=
0
)
{
if
((
rootCharacteristics
&
Spliterator
.
SUBSIZED
)
!=
0
)
{
assertTrue
(
s
.
hasCharacteristics
(
Spliterator
.
SUBSIZED
),
assertTrue
(
s
.
hasCharacteristics
(
Spliterator
.
SUBSIZED
),
...
...
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