Giant blob of minor changes

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201028153306-37f0764111ff / godoc / godoc17_test.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/godoc/godoc17_test.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/godoc/godoc17_test.go
new file mode 100644 (file)
index 0000000..d153991
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/godoc/godoc17_test.go
@@ -0,0 +1,35 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build go1.7
+
+package godoc
+
+import (
+       "bytes"
+       "fmt"
+       "testing"
+)
+
+// Verify that scanIdentifier isn't quadratic.
+// This doesn't actually measure and fail on its own, but it was previously
+// very obvious when running by hand.
+//
+// TODO: if there's a reliable and non-flaky way to test this, do so.
+// Maybe count user CPU time instead of wall time? But that's not easy
+// to do portably in Go.
+func TestStructField(t *testing.T) {
+       for _, n := range []int{10, 100, 1000, 10000} {
+               n := n
+               t.Run(fmt.Sprint(n), func(t *testing.T) {
+                       var buf bytes.Buffer
+                       fmt.Fprintf(&buf, "package foo\n\ntype T struct {\n")
+                       for i := 0; i < n; i++ {
+                               fmt.Fprintf(&buf, "\t// Field%d is foo.\n\tField%d int\n\n", i, i)
+                       }
+                       fmt.Fprintf(&buf, "}\n")
+                       linkifySource(t, buf.Bytes())
+               })
+       }
+}