本文整理汇总了C++中FileUtils::read方法的典型用法代码示例。如果您正苦于以下问题：C++ FileUtils::read方法的具体用法？C++ FileUtils::read怎么用？C++ FileUtils::read使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FileUtils的用法示例。
在下文中一共展示了FileUtils::read方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: memcmp
//test compatible between version2 && version2 compiled without -DCOMPATIBLE
TEST_F(TestObSSTableTrailer, Compatible)
{
ObTrailerOffset trailer_offset;
ObSSTableTrailer trailer;
EXPECT_TRUE(default_range == trailer.get_range());
FileUtils filesys;
const char *compressor_name = "lzo1x_1_11_compress";
int64_t file_len = FileDirectoryUtils::get_size(trailer_file_name);
char *file_buf = reinterpret_cast<char*>(malloc(file_len));
EXPECT_TRUE(NULL != file_buf);
int64_t read_size = 0;
filesys.open(trailer_file_name, O_RDONLY);
read_size = filesys.read(file_buf, file_len);
EXPECT_EQ(read_size, file_len);
int64_t pos = 0;
pos = trailer.get_serialize_size();
trailer_offset.trailer_record_offset_ = 0;
trailer_offset.deserialize(file_buf, file_len, pos);
EXPECT_EQ(trailer_offset.trailer_record_offset_, 256 * 1024 - 1023);
pos = 0;
trailer.deserialize(file_buf, file_len, pos);
EXPECT_EQ(0x300, trailer.get_trailer_version());
EXPECT_EQ(1, trailer.get_table_version());
EXPECT_EQ(0, trailer.get_first_block_data_offset());
EXPECT_EQ(1, trailer.get_row_value_store_style());
EXPECT_EQ(1023, trailer.get_block_count());
EXPECT_EQ(2047, trailer.get_block_index_record_offset());
EXPECT_EQ(1024, trailer.get_block_index_record_size());
EXPECT_EQ(8, trailer.get_bloom_filter_hash_count());
EXPECT_EQ(2047 + 1024, trailer.get_bloom_filter_record_offset());
EXPECT_EQ(511, trailer.get_bloom_filter_record_size());
EXPECT_EQ(2047+ 1024 + 511, trailer.get_schema_record_offset());
EXPECT_EQ(1023, trailer.get_schema_record_size());
EXPECT_EQ(64 * 1024, trailer.get_block_size());
EXPECT_EQ(777, trailer.get_row_count());
EXPECT_EQ(123456789, (int64_t)trailer.get_sstable_checksum());
EXPECT_EQ(1001, (int64_t)trailer.get_first_table_id());
EXPECT_EQ(123456789, trailer.get_frozen_time());
int ret = memcmp(compressor_name, trailer.get_compressor_name(), strlen(compressor_name));
EXPECT_EQ(0, ret);
EXPECT_TRUE(default_range == trailer.get_range());
free(file_buf);
file_buf = NULL;
filesys.close();
}示例2:
TEST_F(TestObSSTableSchema, test_compatible)
{
ObSSTableSchema schema;
const ObSSTableSchemaColumnDef *column = NULL;
int64_t file_len = FileDirectoryUtils::get_size(schema_file_name);
char * file_buf = reinterpret_cast<char*>(malloc(file_len));
int64_t pos = 0;
FileUtils filesys;
filesys.open(schema_file_name, O_RDONLY);
int64_t read_size = filesys.read(file_buf, file_len);
EXPECT_EQ(read_size, file_len);
schema.deserialize(file_buf, file_len, pos);
EXPECT_EQ(schema.get_column_count(), 550);
int64_t index_find = 0;
int64_t index = 0;
int64_t table_schema_size = 0;
int64_t group_schema_size = 0;
for (uint64_t table_id = 1000; table_id < 1010; ++table_id)
{
schema.get_table_schema(table_id, table_schema_size);
EXPECT_EQ(55, table_schema_size);
for(uint64_t group_id = 1; group_id < 11; ++group_id)
{
schema.get_group_schema(table_id, group_id, group_schema_size);
EXPECT_EQ(group_schema_size, (int64_t)group_id);
for(uint64_t column_id = 0; column_id < group_id; ++column_id)
{
index_find = schema.find_column_id(table_id, group_id, column_id);
column = schema.get_column_def(index_find);
EXPECT_EQ(index, index_find);
EXPECT_EQ(column_id, column->column_name_id_);
EXPECT_EQ(group_id, column->column_group_id_);
EXPECT_EQ(table_id, column->table_id_);
EXPECT_EQ(ObIntType, column->column_value_type_);
++index;
}
}
}
}