github.com/XiaoMi/Gaea@v1.2.5/parser/tidb-types/helper_test.go (about)

     1  // Copyright 2018 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 types
    15  
    16  import (
    17  	"strconv"
    18  
    19  	. "github.com/pingcap/check"
    20  	"github.com/pingcap/errors"
    21  )
    22  
    23  var _ = Suite(&testTypeHelperSuite{})
    24  
    25  type testTypeHelperSuite struct {
    26  }
    27  
    28  func (s *testTypeHelperSuite) TestStrToInt(c *C) {
    29  	tests := []struct {
    30  		input  string
    31  		output string
    32  		err    error
    33  	}{
    34  		{"9223372036854775806", "9223372036854775806", nil},
    35  		{"9223372036854775807", "9223372036854775807", nil},
    36  		{"9223372036854775808", "9223372036854775807", ErrBadNumber},
    37  		{"-9223372036854775807", "-9223372036854775807", nil},
    38  		{"-9223372036854775808", "-9223372036854775808", nil},
    39  		{"-9223372036854775809", "-9223372036854775808", ErrBadNumber},
    40  	}
    41  	for _, tt := range tests {
    42  		output, err := strToInt(tt.input)
    43  		c.Assert(errors.Cause(err), Equals, tt.err)
    44  		c.Check(strconv.FormatInt(output, 10), Equals, tt.output)
    45  	}
    46  }