stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8151020: [TESTBUG] UnsafeGetStableArrayElement::testL_* fail intermittently

Browse Source 
Reviewed-by: zmajo, shade
This commit is contained in:
Vladimir Ivanov 2016-03-02 15:42:03 +03:00
parent ff51364bf6
commit 68ce6b3b9f
1 changed files with 17 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
hotspot/test/compiler/unsafe/UnsafeGetStableArrayElement.java
View File

@ -182,6 +182,10 @@ public class UnsafeGetStableArrayElement {
static long testJ_U() { return U.getLongUnaligned( STABLE_LONG_ARRAY, ARRAY_LONG_BASE_OFFSET + 1); }
}
static void run(Callable<?> c) throws Exception {
run(c, null, null);
}
static void run(Callable<?> c, Runnable sameResultAction, Runnable changeResultAction) throws Exception {
Object first = c.call();
@ -295,13 +299,7 @@ public class UnsafeGetStableArrayElement {
testMatched( Test::testD_D, Test::changeD);
// Object[], aligned accesses
testMismatched(Test::testL_Z, Test::changeL);
testMismatched(Test::testL_B, Test::changeL);
testMismatched(Test::testL_S, Test::changeL);
testMismatched(Test::testL_C, Test::changeL);
testMismatched(Test::testL_I, Test::changeL);
testMismatched(Test::testL_J, Test::changeL);
testMismatched(Test::testL_F, Test::changeL);
testMismatched(Test::testL_J, Test::changeL); // long & double are always as large as an OOP
testMismatched(Test::testL_D, Test::changeL);
testMatched( Test::testL_L, Test::changeL);
@ -310,5 +308,17 @@ public class UnsafeGetStableArrayElement {
testMismatched(Test::testC_U, Test::changeC);
testMismatched(Test::testI_U, Test::changeI);
testMismatched(Test::testJ_U, Test::changeJ);
// No way to reliably check the expected behavior:
// (1) OOPs change during GC;
// (2) there's no way to reliably change some part of an OOP (e.g., when reading a byte from it).
//
// Just trigger the compilation hoping to catch any problems with asserts.
run(Test::testL_B);
run(Test::testL_Z);
run(Test::testL_S);
run(Test::testL_C);
run(Test::testL_I);
run(Test::testL_F);
}
}