TEST(test_buffer, read_until) { err_code_t err; char str[] = "foo b baz"; size_t len_str = strlen(str); DataBlock::setMinCapacity(MIN_DATABLOCK_CAPACITY); BufferReader reader; DataBlock* dbPtr = NULL; reader.write(str, len_str); TokenData td, td2; ASSERT_EQ(reader.readUntil(err, ' ', td), 3); ASSERT_EQ(err, RET_OK); // bypass ' ' EXPECT_EQ(reader.peek(err, 0), ' '); ASSERT_EQ(err, RET_OK); TEST_SKIP_BYTES_NO_THROW(1); ASSERT_EQ(reader.readUntil(err, ' ', td2), 1); ASSERT_EQ(err, RET_OK); ASSERT_EQ(td.size(), 1); ASSERT_EQ(td.front().size, 3); ASSERT_EQ(td.front().offset, 0); dbPtr = &(*td.front().iterator); ASSERT_N_STREQ((*dbPtr)[td.front().offset], "foo", 3); freeTokenData(td); ASSERT_EQ(td2.size(), 1); ASSERT_EQ(td2.front().size, 1); ASSERT_EQ(td2.front().offset, 4); dbPtr = &(*td2.front().iterator); ASSERT_N_STREQ((*dbPtr)[td2.front().offset], "b", 1); freeTokenData(td2); // bypass ' ' EXPECT_EQ(reader.peek(err, 0), ' '); ASSERT_EQ(err, RET_OK); TEST_SKIP_BYTES_NO_THROW(1); // should rollback read cursor on error td2.clear(); reader.readUntil(err, ' ', td2); ASSERT_EQ(err, RET_INCOMPLETE_BUFFER_ERR); ASSERT_EQ(reader.peek(err, 0), 'b'); ASSERT_EQ(err, RET_OK); ASSERT_EQ(reader.peek(err, 1), 'a'); ASSERT_EQ(err, RET_OK); ASSERT_EQ(reader.peek(err, 2), 'z'); ASSERT_EQ(err, RET_OK); TEST_SKIP_BYTES_NO_THROW(3); }
TEST(test_buffer, read_until_empty) { err_code_t err; BufferReader reader; TokenData td; reader.readUntil(err, ' ', td); ASSERT_EQ(err, RET_INCOMPLETE_BUFFER_ERR); reader.write(CSTR("b"), 1); reader.readUntil(err, ' ', td); ASSERT_EQ(err, RET_INCOMPLETE_BUFFER_ERR); TEST_SKIP_BYTES_NO_THROW(1); }
TEST(test_buffer, fuzzy) { err_code_t err; DataBlock::setMinCapacity(5); BufferReader reader; TokenData td; DataBlock* dbPtr = NULL; // VALUE foo 10 0 24\r\n // \r\n // END\r\n // [] char str_list[][6] = {"VALUE", " foo ", "10 0 ", "24\r\n\r", "\nEND\r", "\n"}; for (int i = 0; i < 6; i++) { reader.write(str_list[i], strlen(str_list[i])); } uint64_t val, nBytes; reader.readUntil(err, ' ', td); ASSERT_EQ(err, RET_OK); ASSERT_EQ(td.size(), 1); ASSERT_EQ(td.front().offset, 0); ASSERT_EQ(td.front().size, 5); dbPtr = &*(td.front().iterator); dbPtr->release(td.front().size); ASSERT_N_STREQ((*dbPtr)[td.front().offset], "VALUE", 5); TEST_SKIP_BYTES_NO_THROW(1); td.clear(); reader.readUntil(err, ' ', td); ASSERT_EQ(err, RET_OK); ASSERT_EQ(td.size(), 1); ASSERT_EQ(td.front().offset, 1); ASSERT_EQ(td.front().size, 3); dbPtr = &*(td.front().iterator); dbPtr->release(td.front().size); ASSERT_N_STREQ((*dbPtr)[td.front().offset], "foo", 3); TEST_SKIP_BYTES_NO_THROW(1); td.clear(); TEST_READ_UNSIGNED_NO_THROW(val); ASSERT_EQ(val, 10); TEST_SKIP_BYTES_NO_THROW(1); TEST_READ_UNSIGNED_NO_THROW(nBytes); ASSERT_EQ(nBytes, 0); TEST_SKIP_BYTES_NO_THROW(1); TEST_READ_UNSIGNED_NO_THROW(val); ASSERT_EQ(val, 24); reader.readBytes(err, nBytes + 4, td); ASSERT_EQ(err, RET_OK); dbPtr = &*(td.front().iterator); dbPtr->release(td.front().size); // td.pop_front(); td.erase(td.begin()); dbPtr = &*(td.front().iterator); dbPtr->release(td.front().size); ASSERT_EQ(reader.peek(err, 0), 'E'); ASSERT_EQ(err, RET_OK); TEST_SKIP_BYTES_NO_THROW(5); }
TEST(test_buffer, read_until_across_block) { err_code_t err; DataBlock::setMinCapacity(5); // xi gu|a chi| guan|g le |aaaaa|aaaaa|aaa ! char str_list[][6] = {"xi gu", "a chi", " guan", "g le ", "aaaaa", "aaaaa", "aaa !"}; size_t i = 0; BufferReader reader; DataBlock* dbPtr = NULL; for (i = 0; i < 7; i++) { reader.write(str_list[i], 5); } size_t n_token = 7; TokenData* tokenDataPtr = new TokenData[n_token]; TokenData* tdPtr = NULL; for (i = 0; i < n_token - 1; i++) { reader.readUntil(err, ' ', tokenDataPtr[i]); ASSERT_EQ(err, RET_OK); EXPECT_EQ(reader.peek(err, 0), ' '); ASSERT_EQ(err, RET_OK); TEST_SKIP_BYTES_NO_THROW(1); } reader.readUntil(err, ' ', *(tokenDataPtr + n_token - 1)); ASSERT_EQ(err, RET_INCOMPLETE_BUFFER_ERR); // xi tdPtr = tokenDataPtr; ASSERT_EQ(tdPtr->size(), 1); ASSERT_EQ(tdPtr->front().size, 2); ASSERT_EQ(tdPtr->front().offset, 0); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "xi", 2); // gu|a tdPtr = tokenDataPtr + 1; ASSERT_EQ(tdPtr->size(), 2); ASSERT_EQ(tdPtr->front().size, 2); ASSERT_EQ(tdPtr->front().offset, 3); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "gu", 2); // tdPtr->pop_front(); tdPtr->erase(tdPtr->begin()); ASSERT_EQ(tdPtr->front().size, 1); ASSERT_EQ(tdPtr->front().offset, 0); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "a", 1); // chi tdPtr = tokenDataPtr + 2; ASSERT_EQ(tdPtr->size(), 1); ASSERT_EQ(tdPtr->front().size, 3); ASSERT_EQ(tdPtr->front().offset, 2); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "chi", 3); // guan|g tdPtr = tokenDataPtr + 3; ASSERT_EQ(tdPtr->size(), 2); ASSERT_EQ(tdPtr->front().size, 4); ASSERT_EQ(tdPtr->front().offset, 1); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "guan", 4); // tdPtr->pop_front(); tdPtr->erase(tdPtr->begin()); ASSERT_EQ(tdPtr->front().size, 1); ASSERT_EQ(tdPtr->front().offset, 0); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "g", 1); // le tdPtr = tokenDataPtr + 4; ASSERT_EQ(tdPtr->size(), 1); ASSERT_EQ(tdPtr->front().size, 2); ASSERT_EQ(tdPtr->front().offset, 2); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "le", 2); // aaaaa|aaaaa|aaa tdPtr = tokenDataPtr + 5; ASSERT_EQ(tdPtr->size(), 3); ASSERT_EQ(tdPtr->front().size, 5); ASSERT_EQ(tdPtr->front().offset, 0); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "aaaaa", 5); // tdPtr->pop_front(); tdPtr->erase(tdPtr->begin()); ASSERT_EQ(tdPtr->front().size, 5); ASSERT_EQ(tdPtr->front().offset, 0); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "aaaaa", 5); // tdPtr->pop_front(); tdPtr->erase(tdPtr->begin()); ASSERT_EQ(tdPtr->front().size, 3); ASSERT_EQ(tdPtr->front().offset, 0); dbPtr = &*(tdPtr->front().iterator); dbPtr->release(tdPtr->front().size); ASSERT_N_STREQ((*dbPtr)[tdPtr->front().offset], "aaa", 3); ASSERT_EQ(reader.peek(err, 0), '!'); ASSERT_EQ(err, RET_OK); TEST_SKIP_BYTES_NO_THROW(1); delete[] tokenDataPtr; }