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author | Christopher Speller <crspeller@gmail.com> | 2017-05-17 16:51:25 -0400 |
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committer | GitHub <noreply@github.com> | 2017-05-17 16:51:25 -0400 |
commit | d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26 (patch) | |
tree | dbde13123c6add150448f7b75753ac022d862475 /vendor/github.com/pkg/errors/bench_test.go | |
parent | cd23b8139a9463b67e3096744321f6f4eb0ca40a (diff) | |
download | chat-d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26.tar.gz chat-d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26.tar.bz2 chat-d103ed6ca97ca5a2669f6cf5fe4b3d2a9c945f26.zip |
Upgrading server dependancies (#6431)
Diffstat (limited to 'vendor/github.com/pkg/errors/bench_test.go')
-rw-r--r-- | vendor/github.com/pkg/errors/bench_test.go | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/github.com/pkg/errors/bench_test.go b/vendor/github.com/pkg/errors/bench_test.go new file mode 100644 index 000000000..903b5f2d4 --- /dev/null +++ b/vendor/github.com/pkg/errors/bench_test.go @@ -0,0 +1,63 @@ +// +build go1.7 + +package errors + +import ( + "fmt" + "testing" + + stderrors "errors" +) + +func noErrors(at, depth int) error { + if at >= depth { + return stderrors.New("no error") + } + return noErrors(at+1, depth) +} + +func yesErrors(at, depth int) error { + if at >= depth { + return New("ye error") + } + return yesErrors(at+1, depth) +} + +// GlobalE is an exported global to store the result of benchmark results, +// preventing the compiler from optimising the benchmark functions away. +var GlobalE error + +func BenchmarkErrors(b *testing.B) { + type run struct { + stack int + std bool + } + runs := []run{ + {10, false}, + {10, true}, + {100, false}, + {100, true}, + {1000, false}, + {1000, true}, + } + for _, r := range runs { + part := "pkg/errors" + if r.std { + part = "errors" + } + name := fmt.Sprintf("%s-stack-%d", part, r.stack) + b.Run(name, func(b *testing.B) { + var err error + f := yesErrors + if r.std { + f = noErrors + } + b.ReportAllocs() + for i := 0; i < b.N; i++ { + err = f(0, r.stack) + } + b.StopTimer() + GlobalE = err + }) + } +} |