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Resolved PR google#339 merge conflicts.
Makefile is now deprecated so added reference to issue320_test.cc in CMakeLists.txt.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| #include <iostream> | ||
| #include <sstream> | ||
| #include <string> | ||
| #include <map> | ||
| #include <vector> | ||
| #include <memory> | ||
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| #include <math.h> | ||
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| #include <leveldb/db.h> | ||
| #include <leveldb/write_batch.h> | ||
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| using namespace std; | ||
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| unsigned int random(unsigned int max) { | ||
| return rand() % max; | ||
| } | ||
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| string newString(int32_t index) { | ||
| const unsigned int len = 1024; | ||
| char bytes[len]; | ||
| unsigned int i = 0; | ||
| while (i < 8) { | ||
| bytes[i] = 'a' + ((index >> (4 * i)) & 0xf); | ||
| ++i; | ||
| } | ||
| while (i < sizeof(bytes)) { | ||
| bytes[i] = 'a' + random(26); | ||
| ++i; | ||
| } | ||
| return string(bytes, sizeof(bytes)); | ||
| } | ||
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| int main(int argc, char** argv) { | ||
| srandom(0); | ||
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| bool delete_before_put = false; | ||
| bool keep_snapshots = true; | ||
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| vector<pair<string, string> *> test_map(10000, NULL); | ||
| vector<leveldb::Snapshot const*> snapshots(100, NULL); | ||
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| leveldb::DB* db; | ||
| leveldb::Options options; | ||
| options.create_if_missing = true; | ||
| int system_status; | ||
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| system_status = system("rm -rf ./issue320_test_db"); | ||
| leveldb::Status status = leveldb::DB::Open(options, "./issue320_test_db", | ||
| &db); | ||
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| if (false == status.ok()) { | ||
| cerr << "Unable to open/create test database './issue320_test_db'" << endl; | ||
| cerr << status.ToString() << endl; | ||
| return -1; | ||
| } | ||
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| unsigned int target_size = 10000; | ||
| unsigned int num_items = 0; | ||
| unsigned long count = 0; | ||
| string key; | ||
| string value, old_value; | ||
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| leveldb::WriteOptions writeOptions; | ||
| leveldb::ReadOptions readOptions; | ||
| while (count < 200000) { | ||
| if ((++count % 1000) == 0) { | ||
| cout << "count: " << count << endl; | ||
| } | ||
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| unsigned int index = random(test_map.size()); | ||
| leveldb::WriteBatch batch; | ||
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| if (test_map[index] == NULL) { | ||
| num_items++; | ||
| test_map[index] = new pair<string, string>(newString(index), | ||
| newString(index)); | ||
| batch.Put(test_map[index]->first, test_map[index]->second); | ||
| } else { | ||
| if (!db->Get(readOptions, test_map[index]->first, &old_value).ok()) { | ||
| cout << "read failed" << endl; | ||
| abort(); | ||
| } | ||
| if (old_value != test_map[index]->second) { | ||
| cout << "ERROR incorrect value returned by Get" << endl; | ||
| cout << " count=" << count << endl; | ||
| cout << " old value=" << old_value << endl; | ||
| cout << " test_map[index]->second=" << test_map[index]->second << endl; | ||
| cout << " test_map[index]->first=" << test_map[index]->first << endl; | ||
| cout << " index=" << index << endl; | ||
| exit(-1); | ||
| } | ||
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| if (num_items >= target_size && random(100) > 30) { | ||
| batch.Delete(test_map[index]->first); | ||
| delete test_map[index]; | ||
| test_map[index] = NULL; | ||
| --num_items; | ||
| } else { | ||
| test_map[index]->second = newString(index); | ||
| if (delete_before_put) | ||
| batch.Delete(test_map[index]->first); | ||
| batch.Put(test_map[index]->first, test_map[index]->second); | ||
| } | ||
| } | ||
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| if (!db->Write(writeOptions, &batch).ok()) { | ||
| cout << "write failed" << endl; | ||
| abort(); | ||
| } | ||
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| if (keep_snapshots && random(10) == 0) { | ||
| unsigned int i = random(snapshots.size()); | ||
| if (snapshots[i] != NULL) { | ||
| db->ReleaseSnapshot(snapshots[i]); | ||
| } | ||
| snapshots[i] = db->GetSnapshot(); | ||
| } | ||
| } | ||
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| for (size_t i = 0; i < test_map.size(); ++i) { | ||
| if (test_map[i] != NULL) { | ||
| delete test_map[i]; | ||
| test_map[i] = NULL; | ||
| } | ||
| } | ||
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| system_status = system("rm -rf ./issue320_test_db"); | ||
| return 0; | ||
| } |