diff options
| author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:41 -0800 |
|---|---|---|
| committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 18:28:41 -0800 |
| commit | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (patch) | |
| tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /WebCore/manual-tests/array-out-of-memory.html | |
| parent | a65af38181ac7d34544586bdb5cd004de93897ad (diff) | |
| download | external_webkit-648161bb0edfc3d43db63caed5cc5213bc6cb78f.zip external_webkit-648161bb0edfc3d43db63caed5cc5213bc6cb78f.tar.gz external_webkit-648161bb0edfc3d43db63caed5cc5213bc6cb78f.tar.bz2 | |
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebCore/manual-tests/array-out-of-memory.html')
| -rw-r--r-- | WebCore/manual-tests/array-out-of-memory.html | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/WebCore/manual-tests/array-out-of-memory.html b/WebCore/manual-tests/array-out-of-memory.html deleted file mode 100644 index 486e200..0000000 --- a/WebCore/manual-tests/array-out-of-memory.html +++ /dev/null @@ -1,42 +0,0 @@ -<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> -<html> -<head> -<script> - -function runArrayOOMTest() { - document.write("<p>Starting test...</p>"); - - // The index 'target' is the location in the array we expect to fault on access, should the size calculation of the realloc of the vector be allowed - // to overflow. The vector needs to be ((target + 1) * sizeof(JSValue*)) bytes long to hold 'target', or approximately 2/3 UINT32_MAX. Upon growing - // the array an additional 50% capacity will be allocated, plus the storage object header, taking the size of the allocation over UINT32_MAX. - var target = Math.floor(0xFFFFFFFF / 6); - // In order to force arr[target] to be stored in the vector, rather than the sparse map, we need ensure the vector is sufficiently densely populated. - var populate = Math.floor(target / 8 + 1); - - try { - var arr = new Array(); - for (i=0; i < populate; ++i) - arr[i] = 0; - arr[target] = 0; - } catch(e) { - var expect_name = "Error"; - var expect_message = "Out of memory"; - if ((e.name == expect_name) && (e.message == expect_message)) - document.write("<p>SUCCESS</p>"); - else - document.write("<p>FAIL - Expected \"" + expect_name + "/" + expect_message + "\", got \"" + e.name + "/" + e.message + "\".</p>"); - - return; - } - - document.write("<p>FAIL - Expected exception.</p>"); -} - -</script> -</head> -<body> -<p>This test checks that Array objects fail gracefully (throw exception) when array length grows large.</p> -<p>This test may run for over 20 seconds on a fast machine, and will consume hundereds of MB of memory.</p> -<input type="button" onclick="runArrayOOMTest()" value="Start"> -</body> -</html> |