1. 单元测试

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go test -v -cover go get -u github.com/stretchr/testify

2. Benchmark

go test -bench=.

  1. ok      go-learning/src/ch29/benchmark  0.334s

go test -bench=”.”

  1. goos: windows
  2. goarch: amd64                                
  3. pkg: go-learning/src/ch29/benchmark          
  4. cpu: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
  5. BenchmarkConcatStringByAdd-8             9803656               120.7 ns/op
  6. BenchmarkConcatStringByBytesBuffer-8    18998974                59.38 ns/op
  7. PASS
  8. ok      go-learning/src/ch29/benchmark  2.548s

go test -bench=”.” -benchmem 

  1. goos: windows
  2. goarch: amd64
  3. pkg: go-learning/src/ch29/benchmark
  4. cpu: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
  5. BenchmarkConcatStringByAdd-8            10114231               120.5 ns/op            16 B/op          4 allocs/op
  6. BenchmarkConcatStringByBytesBuffer-8    20040949                59.59 ns/op           64 B/op          1 allocs/op
  7. PASS
  8. ok      go-learning/src/ch29/benchmark  2.642s

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3. Behavior Driven Development

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