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a8020e81
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a8020e81
编写于
5月 30, 2014
作者:
I
iignatyev
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
8038756: new WB API :: get/setVMFlag
Reviewed-by: vlivanov, sla
上级
0008f1fc
变更
11
显示空白变更内容
内联
并排
Showing
11 changed file
with
666 addition
and
48 deletion
+666
-48
src/share/vm/prims/whitebox.cpp
src/share/vm/prims/whitebox.cpp
+174
-6
src/share/vm/runtime/globals.cpp
src/share/vm/runtime/globals.cpp
+12
-12
src/share/vm/runtime/globals.hpp
src/share/vm/runtime/globals.hpp
+29
-29
test/testlibrary/whitebox/sun/hotspot/WhiteBox.java
test/testlibrary/whitebox/sun/hotspot/WhiteBox.java
+14
-1
test/testlibrary_tests/whitebox/vm_flags/BooleanTest.java
test/testlibrary_tests/whitebox/vm_flags/BooleanTest.java
+87
-0
test/testlibrary_tests/whitebox/vm_flags/DoubleTest.java
test/testlibrary_tests/whitebox/vm_flags/DoubleTest.java
+47
-0
test/testlibrary_tests/whitebox/vm_flags/IntxTest.java
test/testlibrary_tests/whitebox/vm_flags/IntxTest.java
+46
-0
test/testlibrary_tests/whitebox/vm_flags/StringTest.java
test/testlibrary_tests/whitebox/vm_flags/StringTest.java
+45
-0
test/testlibrary_tests/whitebox/vm_flags/Uint64Test.java
test/testlibrary_tests/whitebox/vm_flags/Uint64Test.java
+46
-0
test/testlibrary_tests/whitebox/vm_flags/UintxTest.java
test/testlibrary_tests/whitebox/vm_flags/UintxTest.java
+51
-0
test/testlibrary_tests/whitebox/vm_flags/VmFlagTest.java
test/testlibrary_tests/whitebox/vm_flags/VmFlagTest.java
+115
-0
未找到文件。
src/share/vm/prims/whitebox.cpp
浏览文件 @
a8020e81
...
...
@@ -501,6 +501,159 @@ WB_ENTRY(void, WB_ClearMethodState(JNIEnv* env, jobject o, jobject method))
}
WB_END
template
<
typename
T
>
static
bool
GetVMFlag
(
JavaThread
*
thread
,
JNIEnv
*
env
,
jstring
name
,
T
*
value
,
bool
(
*
TAt
)(
const
char
*
,
T
*
))
{
if
(
name
==
NULL
)
{
return
false
;
}
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
const
char
*
flag_name
=
env
->
GetStringUTFChars
(
name
,
NULL
);
bool
result
=
(
*
TAt
)(
flag_name
,
value
);
env
->
ReleaseStringUTFChars
(
name
,
flag_name
);
return
result
;
}
template
<
typename
T
>
static
bool
SetVMFlag
(
JavaThread
*
thread
,
JNIEnv
*
env
,
jstring
name
,
T
*
value
,
bool
(
*
TAtPut
)(
const
char
*
,
T
*
,
Flag
::
Flags
))
{
if
(
name
==
NULL
)
{
return
false
;
}
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
const
char
*
flag_name
=
env
->
GetStringUTFChars
(
name
,
NULL
);
bool
result
=
(
*
TAtPut
)(
flag_name
,
value
,
Flag
::
INTERNAL
);
env
->
ReleaseStringUTFChars
(
name
,
flag_name
);
return
result
;
}
template
<
typename
T
>
static
jobject
box
(
JavaThread
*
thread
,
JNIEnv
*
env
,
Symbol
*
name
,
Symbol
*
sig
,
T
value
)
{
ResourceMark
rm
(
thread
);
jclass
clazz
=
env
->
FindClass
(
name
->
as_C_string
());
CHECK_JNI_EXCEPTION_
(
env
,
NULL
);
jmethodID
methodID
=
env
->
GetStaticMethodID
(
clazz
,
vmSymbols
::
valueOf_name
()
->
as_C_string
(),
sig
->
as_C_string
());
CHECK_JNI_EXCEPTION_
(
env
,
NULL
);
jobject
result
=
env
->
CallStaticObjectMethod
(
clazz
,
methodID
,
value
);
CHECK_JNI_EXCEPTION_
(
env
,
NULL
);
return
result
;
}
static
jobject
booleanBox
(
JavaThread
*
thread
,
JNIEnv
*
env
,
jboolean
value
)
{
return
box
(
thread
,
env
,
vmSymbols
::
java_lang_Boolean
(),
vmSymbols
::
Boolean_valueOf_signature
(),
value
);
}
static
jobject
integerBox
(
JavaThread
*
thread
,
JNIEnv
*
env
,
jint
value
)
{
return
box
(
thread
,
env
,
vmSymbols
::
java_lang_Integer
(),
vmSymbols
::
Integer_valueOf_signature
(),
value
);
}
static
jobject
longBox
(
JavaThread
*
thread
,
JNIEnv
*
env
,
jlong
value
)
{
return
box
(
thread
,
env
,
vmSymbols
::
java_lang_Long
(),
vmSymbols
::
Long_valueOf_signature
(),
value
);
}
/* static jobject floatBox(JavaThread* thread, JNIEnv* env, jfloat value) {
return box(thread, env, vmSymbols::java_lang_Float(), vmSymbols::Float_valueOf_signature(), value);
}*/
static
jobject
doubleBox
(
JavaThread
*
thread
,
JNIEnv
*
env
,
jdouble
value
)
{
return
box
(
thread
,
env
,
vmSymbols
::
java_lang_Double
(),
vmSymbols
::
Double_valueOf_signature
(),
value
);
}
WB_ENTRY
(
jobject
,
WB_GetBooleanVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
))
bool
result
;
if
(
GetVMFlag
<
bool
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
boolAt
))
{
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
return
booleanBox
(
thread
,
env
,
result
);
}
return
NULL
;
WB_END
WB_ENTRY
(
jobject
,
WB_GetIntxVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
))
intx
result
;
if
(
GetVMFlag
<
intx
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
intxAt
))
{
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
return
longBox
(
thread
,
env
,
result
);
}
return
NULL
;
WB_END
WB_ENTRY
(
jobject
,
WB_GetUintxVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
))
uintx
result
;
if
(
GetVMFlag
<
uintx
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
uintxAt
))
{
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
return
longBox
(
thread
,
env
,
result
);
}
return
NULL
;
WB_END
WB_ENTRY
(
jobject
,
WB_GetUint64VMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
))
uint64_t
result
;
if
(
GetVMFlag
<
uint64_t
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
uint64_tAt
))
{
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
return
longBox
(
thread
,
env
,
result
);
}
return
NULL
;
WB_END
WB_ENTRY
(
jobject
,
WB_GetDoubleVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
))
double
result
;
if
(
GetVMFlag
<
double
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
doubleAt
))
{
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
return
doubleBox
(
thread
,
env
,
result
);
}
return
NULL
;
WB_END
WB_ENTRY
(
jstring
,
WB_GetStringVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
))
ccstr
ccstrResult
;
if
(
GetVMFlag
<
ccstr
>
(
thread
,
env
,
name
,
&
ccstrResult
,
&
CommandLineFlags
::
ccstrAt
))
{
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
jstring
result
=
env
->
NewStringUTF
(
ccstrResult
);
CHECK_JNI_EXCEPTION_
(
env
,
NULL
);
return
result
;
}
return
NULL
;
WB_END
WB_ENTRY
(
void
,
WB_SetBooleanVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
,
jboolean
value
))
bool
result
=
value
==
JNI_TRUE
?
true
:
false
;
SetVMFlag
<
bool
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
boolAtPut
);
WB_END
WB_ENTRY
(
void
,
WB_SetIntxVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
,
jlong
value
))
intx
result
=
value
;
SetVMFlag
<
intx
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
intxAtPut
);
WB_END
WB_ENTRY
(
void
,
WB_SetUintxVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
,
jlong
value
))
uintx
result
=
value
;
SetVMFlag
<
uintx
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
uintxAtPut
);
WB_END
WB_ENTRY
(
void
,
WB_SetUint64VMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
,
jlong
value
))
uint64_t
result
=
value
;
SetVMFlag
<
uint64_t
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
uint64_tAtPut
);
WB_END
WB_ENTRY
(
void
,
WB_SetDoubleVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
,
jdouble
value
))
double
result
=
value
;
SetVMFlag
<
double
>
(
thread
,
env
,
name
,
&
result
,
&
CommandLineFlags
::
doubleAtPut
);
WB_END
WB_ENTRY
(
void
,
WB_SetStringVMFlag
(
JNIEnv
*
env
,
jobject
o
,
jstring
name
,
jstring
value
))
ThreadToNativeFromVM
ttnfv
(
thread
);
// can't be in VM when we call JNI
const
char
*
ccstrValue
=
(
value
==
NULL
)
?
NULL
:
env
->
GetStringUTFChars
(
value
,
NULL
);
ccstr
ccstrResult
=
ccstrValue
;
bool
needFree
;
{
ThreadInVMfromNative
ttvfn
(
thread
);
// back to VM
needFree
=
SetVMFlag
<
ccstr
>
(
thread
,
env
,
name
,
&
ccstrResult
,
&
CommandLineFlags
::
ccstrAtPut
);
}
if
(
value
!=
NULL
)
{
env
->
ReleaseStringUTFChars
(
value
,
ccstrValue
);
}
if
(
needFree
)
{
FREE_C_HEAP_ARRAY
(
char
,
ccstrResult
,
mtInternal
);
}
WB_END
WB_ENTRY
(
jboolean
,
WB_IsInStringTable
(
JNIEnv
*
env
,
jobject
o
,
jstring
javaString
))
ResourceMark
rm
(
THREAD
);
int
len
;
...
...
@@ -559,11 +712,7 @@ WB_ENTRY(jobjectArray, WB_GetNMethod(JNIEnv* env, jobject o, jobject method, jbo
return
result
;
}
clazz
=
env
->
FindClass
(
vmSymbols
::
java_lang_Integer
()
->
as_C_string
());
CHECK_JNI_EXCEPTION_
(
env
,
NULL
);
jmethodID
constructor
=
env
->
GetMethodID
(
clazz
,
vmSymbols
::
object_initializer_name
()
->
as_C_string
(),
vmSymbols
::
int_void_signature
()
->
as_C_string
());
CHECK_JNI_EXCEPTION_
(
env
,
NULL
);
jobject
obj
=
env
->
NewObject
(
clazz
,
constructor
,
code
->
comp_level
());
jobject
obj
=
integerBox
(
thread
,
env
,
code
->
comp_level
());
CHECK_JNI_EXCEPTION_
(
env
,
NULL
);
env
->
SetObjectArrayElement
(
result
,
0
,
obj
);
...
...
@@ -684,6 +833,25 @@ static JNINativeMethod methods[] = {
CC
"(Ljava/lang/reflect/Executable;II)Z"
,
(
void
*
)
&
WB_EnqueueMethodForCompilation
},
{
CC
"clearMethodState"
,
CC
"(Ljava/lang/reflect/Executable;)V"
,
(
void
*
)
&
WB_ClearMethodState
},
{
CC
"setBooleanVMFlag"
,
CC
"(Ljava/lang/String;Z)V"
,(
void
*
)
&
WB_SetBooleanVMFlag
},
{
CC
"setIntxVMFlag"
,
CC
"(Ljava/lang/String;J)V"
,(
void
*
)
&
WB_SetIntxVMFlag
},
{
CC
"setUintxVMFlag"
,
CC
"(Ljava/lang/String;J)V"
,(
void
*
)
&
WB_SetUintxVMFlag
},
{
CC
"setUint64VMFlag"
,
CC
"(Ljava/lang/String;J)V"
,(
void
*
)
&
WB_SetUint64VMFlag
},
{
CC
"setDoubleVMFlag"
,
CC
"(Ljava/lang/String;D)V"
,(
void
*
)
&
WB_SetDoubleVMFlag
},
{
CC
"setStringVMFlag"
,
CC
"(Ljava/lang/String;Ljava/lang/String;)V"
,
(
void
*
)
&
WB_SetStringVMFlag
},
{
CC
"getBooleanVMFlag"
,
CC
"(Ljava/lang/String;)Ljava/lang/Boolean;"
,
(
void
*
)
&
WB_GetBooleanVMFlag
},
{
CC
"getIntxVMFlag"
,
CC
"(Ljava/lang/String;)Ljava/lang/Long;"
,
(
void
*
)
&
WB_GetIntxVMFlag
},
{
CC
"getUintxVMFlag"
,
CC
"(Ljava/lang/String;)Ljava/lang/Long;"
,
(
void
*
)
&
WB_GetUintxVMFlag
},
{
CC
"getUint64VMFlag"
,
CC
"(Ljava/lang/String;)Ljava/lang/Long;"
,
(
void
*
)
&
WB_GetUint64VMFlag
},
{
CC
"getDoubleVMFlag"
,
CC
"(Ljava/lang/String;)Ljava/lang/Double;"
,
(
void
*
)
&
WB_GetDoubleVMFlag
},
{
CC
"getStringVMFlag"
,
CC
"(Ljava/lang/String;)Ljava/lang/String;"
,
(
void
*
)
&
WB_GetStringVMFlag
},
{
CC
"isInStringTable"
,
CC
"(Ljava/lang/String;)Z"
,
(
void
*
)
&
WB_IsInStringTable
},
{
CC
"fullGC"
,
CC
"()V"
,
(
void
*
)
&
WB_FullGC
},
{
CC
"readReservedMemory"
,
CC
"()V"
,
(
void
*
)
&
WB_ReadReservedMemory
},
...
...
src/share/vm/runtime/globals.cpp
浏览文件 @
a8020e81
...
...
@@ -611,7 +611,7 @@ static void trace_flag_changed(const char* name, const T old_value, const T new_
e
.
commit
();
}
bool
CommandLineFlags
::
boolAt
(
char
*
name
,
size_t
len
,
bool
*
value
)
{
bool
CommandLineFlags
::
boolAt
(
c
onst
c
har
*
name
,
size_t
len
,
bool
*
value
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_bool
())
return
false
;
...
...
@@ -619,7 +619,7 @@ bool CommandLineFlags::boolAt(char* name, size_t len, bool* value) {
return
true
;
}
bool
CommandLineFlags
::
boolAtPut
(
char
*
name
,
size_t
len
,
bool
*
value
,
Flag
::
Flags
origin
)
{
bool
CommandLineFlags
::
boolAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
bool
*
value
,
Flag
::
Flags
origin
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_bool
())
return
false
;
...
...
@@ -639,7 +639,7 @@ void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Fla
faddr
->
set_origin
(
origin
);
}
bool
CommandLineFlags
::
intxAt
(
char
*
name
,
size_t
len
,
intx
*
value
)
{
bool
CommandLineFlags
::
intxAt
(
c
onst
c
har
*
name
,
size_t
len
,
intx
*
value
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_intx
())
return
false
;
...
...
@@ -647,7 +647,7 @@ bool CommandLineFlags::intxAt(char* name, size_t len, intx* value) {
return
true
;
}
bool
CommandLineFlags
::
intxAtPut
(
char
*
name
,
size_t
len
,
intx
*
value
,
Flag
::
Flags
origin
)
{
bool
CommandLineFlags
::
intxAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
intx
*
value
,
Flag
::
Flags
origin
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_intx
())
return
false
;
...
...
@@ -667,7 +667,7 @@ void CommandLineFlagsEx::intxAtPut(CommandLineFlagWithType flag, intx value, Fla
faddr
->
set_origin
(
origin
);
}
bool
CommandLineFlags
::
uintxAt
(
char
*
name
,
size_t
len
,
uintx
*
value
)
{
bool
CommandLineFlags
::
uintxAt
(
c
onst
c
har
*
name
,
size_t
len
,
uintx
*
value
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_uintx
())
return
false
;
...
...
@@ -675,7 +675,7 @@ bool CommandLineFlags::uintxAt(char* name, size_t len, uintx* value) {
return
true
;
}
bool
CommandLineFlags
::
uintxAtPut
(
char
*
name
,
size_t
len
,
uintx
*
value
,
Flag
::
Flags
origin
)
{
bool
CommandLineFlags
::
uintxAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
uintx
*
value
,
Flag
::
Flags
origin
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_uintx
())
return
false
;
...
...
@@ -695,7 +695,7 @@ void CommandLineFlagsEx::uintxAtPut(CommandLineFlagWithType flag, uintx value, F
faddr
->
set_origin
(
origin
);
}
bool
CommandLineFlags
::
uint64_tAt
(
char
*
name
,
size_t
len
,
uint64_t
*
value
)
{
bool
CommandLineFlags
::
uint64_tAt
(
c
onst
c
har
*
name
,
size_t
len
,
uint64_t
*
value
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_uint64_t
())
return
false
;
...
...
@@ -703,7 +703,7 @@ bool CommandLineFlags::uint64_tAt(char* name, size_t len, uint64_t* value) {
return
true
;
}
bool
CommandLineFlags
::
uint64_tAtPut
(
char
*
name
,
size_t
len
,
uint64_t
*
value
,
Flag
::
Flags
origin
)
{
bool
CommandLineFlags
::
uint64_tAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
uint64_t
*
value
,
Flag
::
Flags
origin
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_uint64_t
())
return
false
;
...
...
@@ -723,7 +723,7 @@ void CommandLineFlagsEx::uint64_tAtPut(CommandLineFlagWithType flag, uint64_t va
faddr
->
set_origin
(
origin
);
}
bool
CommandLineFlags
::
doubleAt
(
char
*
name
,
size_t
len
,
double
*
value
)
{
bool
CommandLineFlags
::
doubleAt
(
c
onst
c
har
*
name
,
size_t
len
,
double
*
value
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_double
())
return
false
;
...
...
@@ -731,7 +731,7 @@ bool CommandLineFlags::doubleAt(char* name, size_t len, double* value) {
return
true
;
}
bool
CommandLineFlags
::
doubleAtPut
(
char
*
name
,
size_t
len
,
double
*
value
,
Flag
::
Flags
origin
)
{
bool
CommandLineFlags
::
doubleAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
double
*
value
,
Flag
::
Flags
origin
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_double
())
return
false
;
...
...
@@ -751,7 +751,7 @@ void CommandLineFlagsEx::doubleAtPut(CommandLineFlagWithType flag, double value,
faddr
->
set_origin
(
origin
);
}
bool
CommandLineFlags
::
ccstrAt
(
char
*
name
,
size_t
len
,
ccstr
*
value
)
{
bool
CommandLineFlags
::
ccstrAt
(
c
onst
c
har
*
name
,
size_t
len
,
ccstr
*
value
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_ccstr
())
return
false
;
...
...
@@ -759,7 +759,7 @@ bool CommandLineFlags::ccstrAt(char* name, size_t len, ccstr* value) {
return
true
;
}
bool
CommandLineFlags
::
ccstrAtPut
(
char
*
name
,
size_t
len
,
ccstr
*
value
,
Flag
::
Flags
origin
)
{
bool
CommandLineFlags
::
ccstrAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
ccstr
*
value
,
Flag
::
Flags
origin
)
{
Flag
*
result
=
Flag
::
find_flag
(
name
,
len
);
if
(
result
==
NULL
)
return
false
;
if
(
!
result
->
is_ccstr
())
return
false
;
...
...
src/share/vm/runtime/globals.hpp
浏览文件 @
a8020e81
...
...
@@ -363,37 +363,37 @@ class DoubleFlagSetting {
class
CommandLineFlags
{
public:
static
bool
boolAt
(
char
*
name
,
size_t
len
,
bool
*
value
);
static
bool
boolAt
(
char
*
name
,
bool
*
value
)
{
return
boolAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
boolAtPut
(
char
*
name
,
size_t
len
,
bool
*
value
,
Flag
::
Flags
origin
);
static
bool
boolAtPut
(
char
*
name
,
bool
*
value
,
Flag
::
Flags
origin
)
{
return
boolAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
intxAt
(
char
*
name
,
size_t
len
,
intx
*
value
);
static
bool
intxAt
(
char
*
name
,
intx
*
value
)
{
return
intxAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
intxAtPut
(
char
*
name
,
size_t
len
,
intx
*
value
,
Flag
::
Flags
origin
);
static
bool
intxAtPut
(
char
*
name
,
intx
*
value
,
Flag
::
Flags
origin
)
{
return
intxAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
uintxAt
(
char
*
name
,
size_t
len
,
uintx
*
value
);
static
bool
uintxAt
(
char
*
name
,
uintx
*
value
)
{
return
uintxAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
uintxAtPut
(
char
*
name
,
size_t
len
,
uintx
*
value
,
Flag
::
Flags
origin
);
static
bool
uintxAtPut
(
char
*
name
,
uintx
*
value
,
Flag
::
Flags
origin
)
{
return
uintxAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
uint64_tAt
(
char
*
name
,
size_t
len
,
uint64_t
*
value
);
static
bool
uint64_tAt
(
char
*
name
,
uint64_t
*
value
)
{
return
uint64_tAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
uint64_tAtPut
(
char
*
name
,
size_t
len
,
uint64_t
*
value
,
Flag
::
Flags
origin
);
static
bool
uint64_tAtPut
(
char
*
name
,
uint64_t
*
value
,
Flag
::
Flags
origin
)
{
return
uint64_tAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
doubleAt
(
char
*
name
,
size_t
len
,
double
*
value
);
static
bool
doubleAt
(
char
*
name
,
double
*
value
)
{
return
doubleAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
doubleAtPut
(
char
*
name
,
size_t
len
,
double
*
value
,
Flag
::
Flags
origin
);
static
bool
doubleAtPut
(
char
*
name
,
double
*
value
,
Flag
::
Flags
origin
)
{
return
doubleAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
ccstrAt
(
char
*
name
,
size_t
len
,
ccstr
*
value
);
static
bool
ccstrAt
(
char
*
name
,
ccstr
*
value
)
{
return
ccstrAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
boolAt
(
c
onst
c
har
*
name
,
size_t
len
,
bool
*
value
);
static
bool
boolAt
(
c
onst
c
har
*
name
,
bool
*
value
)
{
return
boolAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
boolAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
bool
*
value
,
Flag
::
Flags
origin
);
static
bool
boolAtPut
(
c
onst
c
har
*
name
,
bool
*
value
,
Flag
::
Flags
origin
)
{
return
boolAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
intxAt
(
c
onst
c
har
*
name
,
size_t
len
,
intx
*
value
);
static
bool
intxAt
(
c
onst
c
har
*
name
,
intx
*
value
)
{
return
intxAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
intxAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
intx
*
value
,
Flag
::
Flags
origin
);
static
bool
intxAtPut
(
c
onst
c
har
*
name
,
intx
*
value
,
Flag
::
Flags
origin
)
{
return
intxAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
uintxAt
(
c
onst
c
har
*
name
,
size_t
len
,
uintx
*
value
);
static
bool
uintxAt
(
c
onst
c
har
*
name
,
uintx
*
value
)
{
return
uintxAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
uintxAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
uintx
*
value
,
Flag
::
Flags
origin
);
static
bool
uintxAtPut
(
c
onst
c
har
*
name
,
uintx
*
value
,
Flag
::
Flags
origin
)
{
return
uintxAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
uint64_tAt
(
c
onst
c
har
*
name
,
size_t
len
,
uint64_t
*
value
);
static
bool
uint64_tAt
(
c
onst
c
har
*
name
,
uint64_t
*
value
)
{
return
uint64_tAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
uint64_tAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
uint64_t
*
value
,
Flag
::
Flags
origin
);
static
bool
uint64_tAtPut
(
c
onst
c
har
*
name
,
uint64_t
*
value
,
Flag
::
Flags
origin
)
{
return
uint64_tAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
doubleAt
(
c
onst
c
har
*
name
,
size_t
len
,
double
*
value
);
static
bool
doubleAt
(
c
onst
c
har
*
name
,
double
*
value
)
{
return
doubleAt
(
name
,
strlen
(
name
),
value
);
}
static
bool
doubleAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
double
*
value
,
Flag
::
Flags
origin
);
static
bool
doubleAtPut
(
c
onst
c
har
*
name
,
double
*
value
,
Flag
::
Flags
origin
)
{
return
doubleAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
ccstrAt
(
c
onst
c
har
*
name
,
size_t
len
,
ccstr
*
value
);
static
bool
ccstrAt
(
c
onst
c
har
*
name
,
ccstr
*
value
)
{
return
ccstrAt
(
name
,
strlen
(
name
),
value
);
}
// Contract: Flag will make private copy of the incoming value.
// Outgoing value is always malloc-ed, and caller MUST call free.
static
bool
ccstrAtPut
(
char
*
name
,
size_t
len
,
ccstr
*
value
,
Flag
::
Flags
origin
);
static
bool
ccstrAtPut
(
char
*
name
,
ccstr
*
value
,
Flag
::
Flags
origin
)
{
return
ccstrAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
static
bool
ccstrAtPut
(
c
onst
c
har
*
name
,
size_t
len
,
ccstr
*
value
,
Flag
::
Flags
origin
);
static
bool
ccstrAtPut
(
c
onst
c
har
*
name
,
ccstr
*
value
,
Flag
::
Flags
origin
)
{
return
ccstrAtPut
(
name
,
strlen
(
name
),
value
,
origin
);
}
// Returns false if name is not a command line flag.
static
bool
wasSetOnCmdline
(
const
char
*
name
,
bool
*
value
);
...
...
test/testlibrary/whitebox/sun/hotspot/WhiteBox.java
浏览文件 @
a8020e81
...
...
@@ -154,4 +154,17 @@ public class WhiteBox {
// CPU features
public
native
String
getCPUFeatures
();
// VM flags
public
native
void
setBooleanVMFlag
(
String
name
,
boolean
value
);
public
native
void
setIntxVMFlag
(
String
name
,
long
value
);
public
native
void
setUintxVMFlag
(
String
name
,
long
value
);
public
native
void
setUint64VMFlag
(
String
name
,
long
value
);
public
native
void
setStringVMFlag
(
String
name
,
String
value
);
public
native
void
setDoubleVMFlag
(
String
name
,
double
value
);
public
native
Boolean
getBooleanVMFlag
(
String
name
);
public
native
Long
getIntxVMFlag
(
String
name
);
public
native
Long
getUintxVMFlag
(
String
name
);
public
native
Long
getUint64VMFlag
(
String
name
);
public
native
String
getStringVMFlag
(
String
name
);
public
native
Double
getDoubleVMFlag
(
String
name
);
}
test/testlibrary_tests/whitebox/vm_flags/BooleanTest.java
0 → 100644
浏览文件 @
a8020e81
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test BooleanTest
* @bug 8028756
* @library /testlibrary /testlibrary/whitebox
* @build BooleanTest
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI BooleanTest
* @summary testing of WB::set/getBooleanVMFlag()
* @author igor.ignatyev@oracle.com
*/
import
sun.hotspot.WhiteBox
;
import
com.oracle.java.testlibrary.*
;
import
sun.management.*
;
import
com.sun.management.*
;
public
class
BooleanTest
{
private
static
final
WhiteBox
WHITE_BOX
=
WhiteBox
.
getWhiteBox
();
private
static
final
Boolean
[]
TESTS
=
{
true
,
false
,
true
,
true
,
false
};
private
static
final
String
TEST_NAME
=
"BooleanTest"
;
private
static
final
String
FLAG_NAME
=
"PrintCompilation"
;
private
static
final
String
METHOD
=
TEST_NAME
+
"::method"
;
private
static
final
String
METHOD1
=
METHOD
+
"1"
;
private
static
final
String
METHOD2
=
METHOD
+
"2"
;
public
static
void
main
(
String
[]
args
)
throws
Exception
{
if
(
args
.
length
==
0
)
{
VmFlagTest
.
runTest
(
FLAG_NAME
,
TESTS
,
VmFlagTest
.
WHITE_BOX
::
setBooleanVMFlag
,
VmFlagTest
.
WHITE_BOX
::
getBooleanVMFlag
);
testFunctional
(
false
);
testFunctional
(
true
);
}
else
{
boolean
value
=
Boolean
.
valueOf
(
args
[
0
]);
method1
();
VmFlagTest
.
WHITE_BOX
.
setBooleanVMFlag
(
FLAG_NAME
,
value
);
method2
();
}
}
private
static
void
testFunctional
(
boolean
value
)
throws
Exception
{
ProcessBuilder
pb
=
ProcessTools
.
createJavaProcessBuilder
(
"-Xbootclasspath/a:."
,
"-XX:+UnlockDiagnosticVMOptions"
,
"-XX:+WhiteBoxAPI"
,
"-Xcomp"
,
"-XX:CompileCommand=compileonly,"
+
METHOD
+
"*"
,
"-XX:"
+
(
value
?
"-"
:
"+"
)
+
FLAG_NAME
,
TEST_NAME
,
""
+
value
);
OutputAnalyzer
out
=
new
OutputAnalyzer
(
pb
.
start
());
if
(
value
)
{
out
.
shouldNotContain
(
METHOD1
);
out
.
shouldContain
(
METHOD2
);
}
else
{
out
.
shouldContain
(
METHOD1
);
out
.
shouldNotContain
(
METHOD2
);
}
}
private
static
void
method1
()
{
}
private
static
void
method2
()
{
}
}
test/testlibrary_tests/whitebox/vm_flags/DoubleTest.java
0 → 100644
浏览文件 @
a8020e81
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test DoubleTest
* @bug 8028756
* @library /testlibrary /testlibrary/whitebox
* @build DoubleTest
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI DoubleTest
* @summary testing of WB::set/getDoubleVMFlag()
* @author igor.ignatyev@oracle.com
*/
public
class
DoubleTest
{
private
static
final
String
FLAG_NAME
=
null
;
private
static
final
Double
[]
TESTS
=
{
0
d
,
-
0
d
,
-
1
d
,
1
d
,
Double
.
MAX_VALUE
,
Double
.
MIN_VALUE
,
Double
.
NaN
,
Double
.
NEGATIVE_INFINITY
,
Double
.
POSITIVE_INFINITY
};
public
static
void
main
(
String
[]
args
)
throws
Exception
{
VmFlagTest
.
runTest
(
FLAG_NAME
,
TESTS
,
VmFlagTest
.
WHITE_BOX
::
setDoubleVMFlag
,
VmFlagTest
.
WHITE_BOX
::
getDoubleVMFlag
);
}
}
test/testlibrary_tests/whitebox/vm_flags/IntxTest.java
0 → 100644
浏览文件 @
a8020e81
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test IntxTest
* @bug 8028756
* @library /testlibrary /testlibrary/whitebox
* @build IntxTest
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI IntxTest
* @summary testing of WB::set/getIntxVMFlag()
* @author igor.ignatyev@oracle.com
*/
public
class
IntxTest
{
private
static
final
String
FLAG_NAME
=
"OnStackReplacePercentage"
;
private
static
final
Long
[]
TESTS
=
{
0L
,
100L
,
-
1L
,
(
long
)
Integer
.
MAX_VALUE
,
(
long
)
Integer
.
MIN_VALUE
};
public
static
void
main
(
String
[]
args
)
throws
Exception
{
VmFlagTest
.
runTest
(
FLAG_NAME
,
TESTS
,
VmFlagTest
.
WHITE_BOX
::
setIntxVMFlag
,
VmFlagTest
.
WHITE_BOX
::
getIntxVMFlag
);
}
}
test/testlibrary_tests/whitebox/vm_flags/StringTest.java
0 → 100644
浏览文件 @
a8020e81
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test StringTest
* @bug 8028756
* @library /testlibrary /testlibrary/whitebox
* @build StringTest
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI StringTest
* @summary testing of WB::set/getStringVMFlag()
* @author igor.ignatyev@oracle.com
*/
public
class
StringTest
{
private
static
final
String
FLAG_NAME
=
"CompileOnly"
;
private
static
final
String
[]
TESTS
=
{
"StringTest::*"
,
""
};
public
static
void
main
(
String
[]
args
)
throws
Exception
{
VmFlagTest
.
runTest
(
FLAG_NAME
,
TESTS
,
VmFlagTest
.
WHITE_BOX
::
setStringVMFlag
,
VmFlagTest
.
WHITE_BOX
::
getStringVMFlag
);
}
}
test/testlibrary_tests/whitebox/vm_flags/Uint64Test.java
0 → 100644
浏览文件 @
a8020e81
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test Uint64Test
* @bug 8028756
* @library /testlibrary /testlibrary/whitebox
* @build Uint64Test
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI Uint64Test
* @summary testing of WB::set/getUint64VMFlag()
* @author igor.ignatyev@oracle.com
*/
public
class
Uint64Test
{
private
static
final
String
FLAG_NAME
=
"MaxRAM"
;
private
static
final
Long
[]
TESTS
=
{
0L
,
100L
,
(
long
)
Integer
.
MAX_VALUE
,
-
1L
,
Long
.
MAX_VALUE
,
Long
.
MIN_VALUE
};
public
static
void
main
(
String
[]
args
)
throws
Exception
{
VmFlagTest
.
runTest
(
FLAG_NAME
,
TESTS
,
VmFlagTest
.
WHITE_BOX
::
setUint64VMFlag
,
VmFlagTest
.
WHITE_BOX
::
getUint64VMFlag
);
}
}
test/testlibrary_tests/whitebox/vm_flags/UintxTest.java
0 → 100644
浏览文件 @
a8020e81
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test UintxTest
* @bug 8028756
* @library /testlibrary /testlibrary/whitebox
* @build UintxTest
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI UintxTest
* @summary testing of WB::set/getUintxVMFlag()
* @author igor.ignatyev@oracle.com
*/
import
com.oracle.java.testlibrary.Platform
;
public
class
UintxTest
{
private
static
final
String
FLAG_NAME
=
"TypeProfileLevel"
;
private
static
final
Long
[]
TESTS
=
{
0L
,
100L
,
(
long
)
Integer
.
MAX_VALUE
,
(
1L
<<
32L
)
-
1L
,
1L
<<
32L
};
private
static
final
Long
[]
EXPECTED_64
=
TESTS
;
private
static
final
Long
[]
EXPECTED_32
=
{
0L
,
100L
,
(
long
)
Integer
.
MAX_VALUE
,
(
1L
<<
32L
)
-
1L
,
0L
};
public
static
void
main
(
String
[]
args
)
throws
Exception
{
VmFlagTest
.
runTest
(
FLAG_NAME
,
TESTS
,
Platform
.
is64bit
()
?
EXPECTED_64
:
EXPECTED_32
,
VmFlagTest
.
WHITE_BOX
::
setUintxVMFlag
,
VmFlagTest
.
WHITE_BOX
::
getUintxVMFlag
);
}
}
test/testlibrary_tests/whitebox/vm_flags/VmFlagTest.java
0 → 100644
浏览文件 @
a8020e81
/*
* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import
java.util.Objects
;
import
java.util.function.BiConsumer
;
import
java.util.function.Function
;
import
sun.hotspot.WhiteBox
;
import
sun.management.*
;
import
com.sun.management.*
;
import
com.oracle.java.testlibrary.*
;
public
final
class
VmFlagTest
<
T
>
{
public
static
final
WhiteBox
WHITE_BOX
=
WhiteBox
.
getWhiteBox
();
private
static
final
String
NONEXISTENT_FLAG
=
"NonexistentFlag"
;
private
final
String
flagName
;
private
final
BiConsumer
<
T
,
T
>
test
;
private
final
BiConsumer
<
String
,
T
>
set
;
private
final
Function
<
String
,
T
>
get
;
protected
VmFlagTest
(
String
flagName
,
BiConsumer
<
String
,
T
>
set
,
Function
<
String
,
T
>
get
,
boolean
isPositive
)
{
this
.
flagName
=
flagName
;
this
.
set
=
set
;
this
.
get
=
get
;
if
(
isPositive
)
{
test
=
this
::
testPositive
;
}
else
{
test
=
this
::
testNegative
;
}
}
private
void
setNewValue
(
T
value
)
{
set
.
accept
(
flagName
,
value
);
}
private
T
getValue
()
{
T
t
=
get
.
apply
(
flagName
);
System
.
out
.
println
(
"T = "
+
t
);
return
t
;
}
protected
static
<
T
>
void
runTest
(
String
existentFlag
,
T
[]
tests
,
BiConsumer
<
String
,
T
>
set
,
Function
<
String
,
T
>
get
)
{
runTest
(
existentFlag
,
tests
,
tests
,
set
,
get
);
}
protected
static
<
T
>
void
runTest
(
String
existentFlag
,
T
[]
tests
,
T
[]
results
,
BiConsumer
<
String
,
T
>
set
,
Function
<
String
,
T
>
get
)
{
if
(
existentFlag
!=
null
)
{
new
VmFlagTest
(
existentFlag
,
set
,
get
,
true
).
test
(
tests
,
results
);
}
new
VmFlagTest
(
NONEXISTENT_FLAG
,
set
,
get
,
false
).
test
(
tests
,
results
);
}
public
final
void
test
(
T
[]
tests
,
T
[]
results
)
{
Asserts
.
assertEQ
(
tests
.
length
,
results
.
length
,
"[TESTBUG] tests.length != results.length"
);
for
(
int
i
=
0
,
n
=
tests
.
length
;
i
<
n
;
++
i
)
{
test
.
accept
(
tests
[
i
],
results
[
i
]);
}
}
protected
String
getVMOptionAsString
()
{
HotSpotDiagnosticMXBean
diagnostic
=
ManagementFactoryHelper
.
getDiagnosticMXBean
();
VMOption
tmp
;
try
{
tmp
=
diagnostic
.
getVMOption
(
flagName
);
}
catch
(
IllegalArgumentException
e
)
{
tmp
=
null
;
}
return
tmp
==
null
?
null
:
tmp
.
getValue
();
}
private
void
testPositive
(
T
value
,
T
expected
)
{
Asserts
.
assertEQ
(
getVMOptionAsString
(),
asString
(
getValue
()));
setNewValue
(
value
);
String
newValue
=
getVMOptionAsString
();
Asserts
.
assertEQ
(
newValue
,
asString
(
expected
));
Asserts
.
assertEQ
(
getVMOptionAsString
(),
asString
(
getValue
()));
}
private
void
testNegative
(
T
value
,
T
expected
)
{
String
oldValue
=
getVMOptionAsString
();
Asserts
.
assertEQ
(
oldValue
,
asString
(
getValue
()));
setNewValue
(
value
);
String
newValue
=
getVMOptionAsString
();
Asserts
.
assertEQ
(
oldValue
,
newValue
);
}
private
String
asString
(
Object
value
)
{
return
value
==
null
?
null
:
""
+
value
;
}
}
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