github.com/matrixorigin/matrixone@v0.7.0/pkg/hakeeper/task/cn_ordered_map_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 task
    16  
    17  import (
    18  	"testing"
    19  
    20  	"github.com/stretchr/testify/assert"
    21  )
    22  
    23  func TestOrderedMap(t *testing.T) {
    24  	orderedMap := newOrderedMap(nil)
    25  	orderedMap.set("a", 100)
    26  	orderedMap.set("b", 110)
    27  	orderedMap.set("c", 90)
    28  	orderedMap.set("d", 80)
    29  	orderedMap.set("e", 120)
    30  	orderedMap.set("f", 50)
    31  	assert.Equal(t, 6, len(orderedMap.m))
    32  	assert.True(t, len(orderedMap.m) == len(orderedMap.orderedKeys))
    33  	assert.Equal(t, "f", orderedMap.min())
    34  
    35  	orderedMap.set("f", 150)
    36  	assert.Equal(t, "d", orderedMap.min())
    37  
    38  	orderedMap.set("b", 70)
    39  	assert.Equal(t, "b", orderedMap.min())
    40  
    41  	orderedMap.set("b", 100)
    42  	for i := 0; i < 100; i++ {
    43  		orderedMap.inc("g")
    44  		assert.Equal(t, uint32(i+1), orderedMap.get("g"))
    45  	}
    46  	assert.Equal(t, "d", orderedMap.min())
    47  	assert.Equal(t, 7, len(orderedMap.m))
    48  	assert.True(t, len(orderedMap.m) == len(orderedMap.orderedKeys))
    49  }