github.com/insionng/yougam@v0.0.0-20170714101924-2bc18d833463/libraries/pingcap/tidb/mysql/bit_test.go (about)

     1  // Copyright 2015 PingCAP, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package mysql
    15  
    16  import (
    17  	. "github.com/insionng/yougam/libraries/pingcap/check"
    18  	"github.com/insionng/yougam/libraries/pingcap/tidb/util/testleak"
    19  )
    20  
    21  var _ = Suite(&testBitSuite{})
    22  
    23  type testBitSuite struct {
    24  }
    25  
    26  func (s *testBitSuite) TestBit(c *C) {
    27  	defer testleak.AfterTest(c)()
    28  	tbl := []struct {
    29  		Input     string
    30  		Width     int
    31  		Number    int64
    32  		String    string
    33  		BitString string
    34  	}{
    35  		{"0b01", 8, 1, "0b00000001", "\x01"},
    36  		{"0b111111111", 16, 511, "0b0000000111111111", "\x01\xff"},
    37  		{"0b01", -1, 1, "0b00000001", "\x01"},
    38  	}
    39  
    40  	for _, t := range tbl {
    41  		b, err := ParseBit(t.Input, t.Width)
    42  		c.Assert(err, IsNil)
    43  		c.Assert(b.ToNumber(), Equals, float64(t.Number))
    44  		c.Assert(b.String(), Equals, t.String)
    45  		c.Assert(b.ToString(), Equals, t.BitString)
    46  	}
    47  
    48  	tblErr := []struct {
    49  		Input string
    50  		Width int
    51  	}{
    52  		{"0b11", 1},
    53  		{"0B11", 2},
    54  	}
    55  
    56  	for _, t := range tblErr {
    57  		_, err := ParseBit(t.Input, t.Width)
    58  		c.Assert(err, NotNil)
    59  	}
    60  }