/
altscanner_16_test.go
68 lines (57 loc) · 1.84 KB
/
altscanner_16_test.go
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//+build go1.6
package altscanner_test
import (
"bufio"
"github.com/stretchr/testify/assert"
"github.com/turtlemonvh/altscanner"
"strings"
"testing"
)
type Bufferable interface {
Buffer([]byte, int)
}
// Only works on go>1.6, because that's when the `Scanner.Buffer` method was added
// https://golang.org/doc/go1.6#minor_library_changes
func TestLongLinesDefaultScannerLargeBytes(t *testing.T) {
_, longLinesReader := generateReaders()
nlinesFound := 0
// Should pass
ns := bufio.NewScanner(longLinesReader)
ns.Buffer(make([]byte, bufio.MaxScanTokenSize), bufio.MaxScanTokenSize*10)
for ns.Scan() {
nlinesFound++
assert.Equal(t, ncharslonglines, len(ns.Text()))
}
assert.Equal(t, 5, nlinesFound)
assert.True(t, ns.Err() == nil)
}
func benchBufioScanner(b *testing.B, content string) {
for n := 0; n < b.N; n++ {
scanner := bufio.NewScanner(strings.NewReader(content))
for scanner.Scan() {
scanner.Bytes()
}
}
}
func benchBufferedBufioScanner(b *testing.B, content string) {
for n := 0; n < b.N; n++ {
scanner := bufio.NewScanner(strings.NewReader(content))
scanner.Buffer(make([]byte, bufio.MaxScanTokenSize), bufio.MaxScanTokenSize*10)
for scanner.Scan() {
scanner.Bytes()
}
}
}
func benchAltScanner(b *testing.B, content string) {
for n := 0; n < b.N; n++ {
scanner := altscanner.NewAltScanner(strings.NewReader(content))
for scanner.Scan() {
scanner.Bytes()
}
}
}
func BenchmarkBufioScannerSmall(b *testing.B) { benchBufioScanner(b, shortLines) }
func BenchmarkBufferedBufioScannerSmall(b *testing.B) { benchBufioScanner(b, shortLines) }
func BenchmarkAltScannerSmall(b *testing.B) { benchAltScanner(b, shortLines) }
func BenchmarkBufferedBufioScannerLong(b *testing.B) { benchBufioScanner(b, longLines) }
func BenchmarkAltScannerLong(b *testing.B) { benchAltScanner(b, longLines) }