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7e08f6711b
There's no testing.T.Run method in Go 1.6. Change-Id: I0ed7bdbe91d4cc4406ad5626dbae9acc42b4853a Reviewed-on: https://go-review.googlesource.com/36119 Run-TryBot: Robert Griesemer <gri@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
36 lines
962 B
Go
36 lines
962 B
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build go1.7
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package godoc
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import (
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"bytes"
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"fmt"
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"testing"
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)
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// Verify that scanIdentifier isn't quadratic.
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// This doesn't actually measure and fail on its own, but it was previously
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// very obvious when running by hand.
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//
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// TODO: if there's a reliable and non-flaky way to test this, do so.
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// Maybe count user CPU time instead of wall time? But that's not easy
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// to do portably in Go.
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func TestStructField(t *testing.T) {
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for _, n := range []int{10, 100, 1000, 10000} {
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n := n
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t.Run(fmt.Sprint(n), func(t *testing.T) {
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var buf bytes.Buffer
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fmt.Fprintf(&buf, "package foo\n\ntype T struct {\n")
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for i := 0; i < n; i++ {
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fmt.Fprintf(&buf, "\t// Field%d is foo.\n\tField%d int\n\n", i, i)
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}
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fmt.Fprintf(&buf, "}\n")
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linkifyStructFields(t, buf.Bytes())
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})
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}
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}
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