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Fix Allocate test

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Summary: For some reason, on a subset of our continuous build machines, preallocation is allocating 8 block more than it should be. Let's relax the test a little bit -- now we require the test to allocate *at least* the number of blocks as we told them to.

Test Plan: no

Reviewers: ljin, haobo, sdong

Reviewed By: ljin

CC: leveldb

Differential Revision: https://reviews.facebook.net/D18141
This commit is contained in:
Igor Canadi 2014-04-21 12:12:02 -07:00
parent f813279da5
commit c7076a7a05
1 changed files with 5 additions and 1 deletions
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6
util/env_test.cc
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@ -302,7 +302,11 @@ TEST(EnvPosixTest, AllocateTest) {
stat(fname.c_str(), &f_stat); stat(fname.c_str(), &f_stat);
ASSERT_EQ((unsigned int)data.size(), f_stat.st_size); ASSERT_EQ((unsigned int)data.size(), f_stat.st_size);
// verify that blocks are preallocated // verify that blocks are preallocated
ASSERT_EQ((unsigned int)(kPreallocateSize / kBlockSize), f_stat.st_blocks); // Note here that we don't check the exact number of blocks preallocated --
// we only require that number of allocated blocks is at least what we expect.
// It looks like some FS give us more blocks that we asked for. That's fine.
// It might be worth investigating further.
ASSERT_LE((unsigned int)(kPreallocateSize / kBlockSize), f_stat.st_blocks);
// close the file, should deallocate the blocks // close the file, should deallocate the blocks
wfile.reset(); wfile.reset();