github.com/hasnat/dolt/go@v0.0.0-20210628190320-9eb5d843fbb7/store/hash/base32_test.go (about)

     1  // Copyright 2019 Dolthub, 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  // 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  // This file incorporates work covered by the following copyright and
    16  // permission notice:
    17  //
    18  // Copyright 2016 Attic Labs, Inc. All rights reserved.
    19  // Licensed under the Apache License, version 2.0:
    20  // http://www.apache.org/licenses/LICENSE-2.0
    21  
    22  package hash
    23  
    24  import (
    25  	"testing"
    26  
    27  	"github.com/stretchr/testify/assert"
    28  )
    29  
    30  func TestBase32Encode(t *testing.T) {
    31  	assert := assert.New(t)
    32  
    33  	d := make([]byte, ByteLen)
    34  	assert.Equal("00000000000000000000000000000000", encode(d))
    35  	d[19] = 1
    36  	assert.Equal("00000000000000000000000000000001", encode(d))
    37  	d[19] = 10
    38  	assert.Equal("0000000000000000000000000000000a", encode(d))
    39  	d[19] = 20
    40  	assert.Equal("0000000000000000000000000000000k", encode(d))
    41  	d[19] = 31
    42  	assert.Equal("0000000000000000000000000000000v", encode(d))
    43  	d[19] = 32
    44  	assert.Equal("00000000000000000000000000000010", encode(d))
    45  	d[19] = 63
    46  	assert.Equal("0000000000000000000000000000001v", encode(d))
    47  	d[19] = 64
    48  	assert.Equal("00000000000000000000000000000020", encode(d))
    49  
    50  	// Largest!
    51  	for i := 0; i < ByteLen; i++ {
    52  		d[i] = 0xff
    53  	}
    54  	assert.Equal("vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv", encode(d))
    55  }
    56  
    57  func TestBase32Decode(t *testing.T) {
    58  	assert := assert.New(t)
    59  
    60  	d := make([]byte, ByteLen)
    61  	assert.Equal(d, decode("00000000000000000000000000000000"))
    62  
    63  	d[19] = 1
    64  	assert.Equal(d, decode("00000000000000000000000000000001"))
    65  	d[19] = 10
    66  	assert.Equal(d, decode("0000000000000000000000000000000a"))
    67  	d[19] = 20
    68  	assert.Equal(d, decode("0000000000000000000000000000000k"))
    69  	d[19] = 31
    70  	assert.Equal(d, decode("0000000000000000000000000000000v"))
    71  	d[19] = 32
    72  	assert.Equal(d, decode("00000000000000000000000000000010"))
    73  	d[19] = 63
    74  	assert.Equal(d, decode("0000000000000000000000000000001v"))
    75  	d[19] = 64
    76  	assert.Equal(d, decode("00000000000000000000000000000020"))
    77  
    78  	// Largest!
    79  	for i := 0; i < ByteLen; i++ {
    80  		d[i] = 0xff
    81  	}
    82  	assert.Equal(d, decode("vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv"))
    83  }