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author | Sfan5 <sfan5@live.de> | 2013-09-09 22:46:18 +0200 |
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committer | Sfan5 <sfan5@live.de> | 2013-09-09 22:50:51 +0200 |
commit | 3725179736e2b5372664163470e7ef3dc76529a4 (patch) | |
tree | 7a56c929ae75530679b3d2f7c9c02fb361760219 /src/leveldb/util/coding_test.cc | |
parent | 1f3402e7a1e160c4be25c596f33d916b988075fb (diff) | |
download | minetest-3725179736e2b5372664163470e7ef3dc76529a4.tar.gz minetest-3725179736e2b5372664163470e7ef3dc76529a4.tar.bz2 minetest-3725179736e2b5372664163470e7ef3dc76529a4.zip |
Use system-wide LevelDB instead of bundled one
Diffstat (limited to 'src/leveldb/util/coding_test.cc')
-rw-r--r-- | src/leveldb/util/coding_test.cc | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/src/leveldb/util/coding_test.cc b/src/leveldb/util/coding_test.cc deleted file mode 100644 index 2c52b17b6..000000000 --- a/src/leveldb/util/coding_test.cc +++ /dev/null @@ -1,196 +0,0 @@ -// Copyright (c) 2011 The LevelDB Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. See the AUTHORS file for names of contributors. - -#include "util/coding.h" - -#include "util/testharness.h" - -namespace leveldb { - -class Coding { }; - -TEST(Coding, Fixed32) { - std::string s; - for (uint32_t v = 0; v < 100000; v++) { - PutFixed32(&s, v); - } - - const char* p = s.data(); - for (uint32_t v = 0; v < 100000; v++) { - uint32_t actual = DecodeFixed32(p); - ASSERT_EQ(v, actual); - p += sizeof(uint32_t); - } -} - -TEST(Coding, Fixed64) { - std::string s; - for (int power = 0; power <= 63; power++) { - uint64_t v = static_cast<uint64_t>(1) << power; - PutFixed64(&s, v - 1); - PutFixed64(&s, v + 0); - PutFixed64(&s, v + 1); - } - - const char* p = s.data(); - for (int power = 0; power <= 63; power++) { - uint64_t v = static_cast<uint64_t>(1) << power; - uint64_t actual; - actual = DecodeFixed64(p); - ASSERT_EQ(v-1, actual); - p += sizeof(uint64_t); - - actual = DecodeFixed64(p); - ASSERT_EQ(v+0, actual); - p += sizeof(uint64_t); - - actual = DecodeFixed64(p); - ASSERT_EQ(v+1, actual); - p += sizeof(uint64_t); - } -} - -// Test that encoding routines generate little-endian encodings -TEST(Coding, EncodingOutput) { - std::string dst; - PutFixed32(&dst, 0x04030201); - ASSERT_EQ(4, dst.size()); - ASSERT_EQ(0x01, static_cast<int>(dst[0])); - ASSERT_EQ(0x02, static_cast<int>(dst[1])); - ASSERT_EQ(0x03, static_cast<int>(dst[2])); - ASSERT_EQ(0x04, static_cast<int>(dst[3])); - - dst.clear(); - PutFixed64(&dst, 0x0807060504030201ull); - ASSERT_EQ(8, dst.size()); - ASSERT_EQ(0x01, static_cast<int>(dst[0])); - ASSERT_EQ(0x02, static_cast<int>(dst[1])); - ASSERT_EQ(0x03, static_cast<int>(dst[2])); - ASSERT_EQ(0x04, static_cast<int>(dst[3])); - ASSERT_EQ(0x05, static_cast<int>(dst[4])); - ASSERT_EQ(0x06, static_cast<int>(dst[5])); - ASSERT_EQ(0x07, static_cast<int>(dst[6])); - ASSERT_EQ(0x08, static_cast<int>(dst[7])); -} - -TEST(Coding, Varint32) { - std::string s; - for (uint32_t i = 0; i < (32 * 32); i++) { - uint32_t v = (i / 32) << (i % 32); - PutVarint32(&s, v); - } - - const char* p = s.data(); - const char* limit = p + s.size(); - for (uint32_t i = 0; i < (32 * 32); i++) { - uint32_t expected = (i / 32) << (i % 32); - uint32_t actual; - const char* start = p; - p = GetVarint32Ptr(p, limit, &actual); - ASSERT_TRUE(p != NULL); - ASSERT_EQ(expected, actual); - ASSERT_EQ(VarintLength(actual), p - start); - } - ASSERT_EQ(p, s.data() + s.size()); -} - -TEST(Coding, Varint64) { - // Construct the list of values to check - std::vector<uint64_t> values; - // Some special values - values.push_back(0); - values.push_back(100); - values.push_back(~static_cast<uint64_t>(0)); - values.push_back(~static_cast<uint64_t>(0) - 1); - for (uint32_t k = 0; k < 64; k++) { - // Test values near powers of two - const uint64_t power = 1ull << k; - values.push_back(power); - values.push_back(power-1); - values.push_back(power+1); - }; - - std::string s; - for (int i = 0; i < values.size(); i++) { - PutVarint64(&s, values[i]); - } - - const char* p = s.data(); - const char* limit = p + s.size(); - for (int i = 0; i < values.size(); i++) { - ASSERT_TRUE(p < limit); - uint64_t actual; - const char* start = p; - p = GetVarint64Ptr(p, limit, &actual); - ASSERT_TRUE(p != NULL); - ASSERT_EQ(values[i], actual); - ASSERT_EQ(VarintLength(actual), p - start); - } - ASSERT_EQ(p, limit); - -} - -TEST(Coding, Varint32Overflow) { - uint32_t result; - std::string input("\x81\x82\x83\x84\x85\x11"); - ASSERT_TRUE(GetVarint32Ptr(input.data(), input.data() + input.size(), &result) - == NULL); -} - -TEST(Coding, Varint32Truncation) { - uint32_t large_value = (1u << 31) + 100; - std::string s; - PutVarint32(&s, large_value); - uint32_t result; - for (int len = 0; len < s.size() - 1; len++) { - ASSERT_TRUE(GetVarint32Ptr(s.data(), s.data() + len, &result) == NULL); - } - ASSERT_TRUE(GetVarint32Ptr(s.data(), s.data() + s.size(), &result) != NULL); - ASSERT_EQ(large_value, result); -} - -TEST(Coding, Varint64Overflow) { - uint64_t result; - std::string input("\x81\x82\x83\x84\x85\x81\x82\x83\x84\x85\x11"); - ASSERT_TRUE(GetVarint64Ptr(input.data(), input.data() + input.size(), &result) - == NULL); -} - -TEST(Coding, Varint64Truncation) { - uint64_t large_value = (1ull << 63) + 100ull; - std::string s; - PutVarint64(&s, large_value); - uint64_t result; - for (int len = 0; len < s.size() - 1; len++) { - ASSERT_TRUE(GetVarint64Ptr(s.data(), s.data() + len, &result) == NULL); - } - ASSERT_TRUE(GetVarint64Ptr(s.data(), s.data() + s.size(), &result) != NULL); - ASSERT_EQ(large_value, result); -} - -TEST(Coding, Strings) { - std::string s; - PutLengthPrefixedSlice(&s, Slice("")); - PutLengthPrefixedSlice(&s, Slice("foo")); - PutLengthPrefixedSlice(&s, Slice("bar")); - PutLengthPrefixedSlice(&s, Slice(std::string(200, 'x'))); - - Slice input(s); - Slice v; - ASSERT_TRUE(GetLengthPrefixedSlice(&input, &v)); - ASSERT_EQ("", v.ToString()); - ASSERT_TRUE(GetLengthPrefixedSlice(&input, &v)); - ASSERT_EQ("foo", v.ToString()); - ASSERT_TRUE(GetLengthPrefixedSlice(&input, &v)); - ASSERT_EQ("bar", v.ToString()); - ASSERT_TRUE(GetLengthPrefixedSlice(&input, &v)); - ASSERT_EQ(std::string(200, 'x'), v.ToString()); - ASSERT_EQ("", input.ToString()); -} - -} // namespace leveldb - -int main(int argc, char** argv) { - return leveldb::test::RunAllTests(); -} |