github.com/insionng/yougam@v0.0.0-20170714101924-2bc18d833463/libraries/pingcap/tidb/util/distinct/distinct_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 distinct
    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  	check.TestingT(t)
    25  }
    26  
    27  var _ = check.Suite(&testDistinctSuite{})
    28  
    29  type testDistinctSuite struct {
    30  }
    31  
    32  func (s *testDistinctSuite) TestDistinct(c *check.C) {
    33  	defer testleak.AfterTest(c)()
    34  	dc := CreateDistinctChecker()
    35  	cases := []struct {
    36  		vals   []interface{}
    37  		expect bool
    38  	}{
    39  		{[]interface{}{1, 1}, true},
    40  		{[]interface{}{1, 1}, false},
    41  		{[]interface{}{1, 2}, true},
    42  		{[]interface{}{1, 2}, false},
    43  		{[]interface{}{1, nil}, true},
    44  		{[]interface{}{1, nil}, false},
    45  	}
    46  	for _, t := range cases {
    47  		d, err := dc.Check(t.vals)
    48  		c.Assert(err, check.IsNil)
    49  		c.Assert(d, check.Equals, t.expect)
    50  	}
    51  }