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Fix bitmap load_from_array

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This commit is contained in:
DengzhiLiu
2022-11-23 07:41:36 +00:00
committed by wangzelin.wzl
parent 204a76baf6
commit b0bb9e7653
2 changed files with 15 additions and 4 deletions
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10
deps/oblib/src/lib/container/ob_bitmap.cpp vendored
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@ -140,10 +140,12 @@ int ObBitmap::load_blocks_from_array(size_type *block_data, size_type num_bits)
walk_ptr = walk_ptr->next_;
}
// Set bits in the same block after @valid_bits_ to false
size_type inner_pos = valid_bits_;
walk_ptr = find_block(valid_bits_, inner_pos);
for (size_type i = bit_index(inner_pos); i < BITS_PER_BLOCK; ++i) {
walk_ptr->bits_[block_index(inner_pos)] &= ~bit_mask(i);
if (0 != (valid_bits_ & BLOCK_MOD_MASK)) {
size_type inner_pos = valid_bits_;
walk_ptr = find_block(valid_bits_, inner_pos);
for (size_type i = bit_index(inner_pos); i < BITS_PER_BLOCK; ++i) {
walk_ptr->bits_[block_index(inner_pos)] &= ~bit_mask(i);
}
}
}
}

9
deps/oblib/unittest/lib/container/test_bitmap.cpp vendored
View File

@ -142,6 +142,15 @@ TEST_F(TestObBitmap, load_from_array)
EXPECT_EQ(OB_SUCCESS, bitmap.load_blocks_from_array(data, 64 * 5));
EXPECT_EQ(64 * 5, bitmap.size());
EXPECT_EQ(3 * 5, bitmap.popcnt());
bitmap.expand_size(4096);
ObBitmap::size_type data2[64];
for (int64_t i = 0; i < 64; i++) {
data2[i] = 7;
}
EXPECT_EQ(OB_SUCCESS, bitmap.load_blocks_from_array(data2, 64 * 64));
EXPECT_EQ(64 * 64, bitmap.size());
EXPECT_EQ(3 * 64, bitmap.popcnt());
}
} // end of namespace unittest