53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
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package allocs
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestCounter_Count(t *testing.T) {
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repeats := 10
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data := strings.Repeat("a b c\n", repeats)
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data = data[:len(data)-1]
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r := strings.NewReader(data)
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c := NewEnhancedCounter()
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err := c.Count(r)
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require.NoError(t, err)
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expected := fmt.Sprintf("word 'a' has %d occurrences\n", repeats)
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expected += fmt.Sprintf("word 'b' has %d occurrences\n", repeats)
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expected += fmt.Sprintf("word 'c' has %d occurrences\n", repeats)
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actual := c.String()
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require.Equal(t, expected, actual)
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}
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func Benchmark(b *testing.B) {
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repeats := 10000
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data := strings.Repeat("a b c d e f g h i j k l m n o p q r s t u v w x y z\n", repeats)
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data = data[:len(data)-1]
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b.Run("count", func(b *testing.B) {
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r := strings.NewReader(data)
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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c := NewEnhancedCounter()
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_ = c.Count(r)
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}
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})
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b.Run("main", func(b *testing.B) {
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r := strings.NewReader(data)
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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c := NewEnhancedCounter()
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_ = c.Count(r)
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_ = c.String()
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}
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})
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}
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