github.com/insionng/yougam@v0.0.0-20170714101924-2bc18d833463/libraries/pingcap/tidb/util/stringutil/string_util_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 stringutil
    15  
    16  import (
    17  	"testing"
    18  
    19  	. "github.com/insionng/yougam/libraries/pingcap/check"
    20  	"github.com/insionng/yougam/libraries/pingcap/tidb/util/testleak"
    21  )
    22  
    23  func TestT(t *testing.T) {
    24  	TestingT(t)
    25  }
    26  
    27  var _ = Suite(&testStringUtilSuite{})
    28  
    29  type testStringUtilSuite struct {
    30  }
    31  
    32  func (s *testStringUtilSuite) TestRemoveUselessBackslash(c *C) {
    33  	defer testleak.AfterTest(c)()
    34  	table := []struct {
    35  		str    string
    36  		expect string
    37  	}{
    38  		{"xxxx", "xxxx"},
    39  		{`\x01`, `x01`},
    40  		{`\b01`, `\b01`},
    41  		{`\B01`, `B01`},
    42  		{`'\'a\''`, `'\'a\''`},
    43  	}
    44  
    45  	for _, t := range table {
    46  		x := RemoveUselessBackslash(t.str)
    47  		c.Assert(x, Equals, t.expect)
    48  	}
    49  }
    50  
    51  func (s *testStringUtilSuite) TestReverse(c *C) {
    52  	defer testleak.AfterTest(c)()
    53  	table := []struct {
    54  		str    string
    55  		expect string
    56  	}{
    57  		{"zxcf", "fcxz"},
    58  		{"abc", "cba"},
    59  		{"Hello, 世界", "界世 ,olleH"},
    60  		{"", ""},
    61  	}
    62  
    63  	for _, t := range table {
    64  		x := Reverse(t.str)
    65  		c.Assert(x, Equals, t.expect)
    66  	}
    67  }