github.com/matrixorigin/matrixone@v0.7.0/pkg/vectorize/bit_length/bit_length_test.go (about)

     1  // Copyright 2022 Matrix Origin
     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  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package bit_length
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/require"
    21  )
    22  
    23  func makeBytes(strs []string) [][]byte {
    24  	ret := make([][]byte, len(strs))
    25  	for i, s := range strs {
    26  		ret[i] = []byte(s)
    27  	}
    28  	return ret
    29  }
    30  
    31  func TestEmpty(t *testing.T) {
    32  	tt := []struct {
    33  		name string
    34  		xs   [][]byte
    35  		rs   []int64
    36  		want []int64
    37  	}{
    38  		{
    39  			name: "Empty",
    40  			xs:   makeBytes([]string{""}),
    41  			rs:   make([]int64, 1),
    42  			want: []int64{0},
    43  		},
    44  		{
    45  			name: "Simple condition",
    46  			xs:   makeBytes([]string{"a", "boy", " ", "\t", "\n", "dead"}),
    47  			rs:   make([]int64, 6),
    48  			want: []int64{8, 24, 8, 8, 8, 32},
    49  		},
    50  	}
    51  	for _, tc := range tt {
    52  		require.Equal(t, tc.want, StrBitLength(tc.xs, tc.rs))
    53  	}
    54  }