milvus/pkg/util/uniquegenerator/unique_int_generator_test.go

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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
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package uniquegenerator

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestNaiveUniqueIntGenerator_GetInts(t *testing.T) {
	generator := NewNaiveUniqueIntGenerator()

	count := 10
	begin, end := generator.GetInts(10)
	assert.Equal(t, count, end-begin)
}

func TestNaiveUniqueIntGenerator_GetInt(t *testing.T) {
	exists := make(map[int]bool)
	num := 10

	generator := NewNaiveUniqueIntGenerator()

	for i := 0; i < num; i++ {
		g := generator.GetInt()
		_, ok := exists[g]
		assert.False(t, ok)
		exists[g] = true
	}
}