.gitignore added

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.1.1-0.20210319172145-bda8f5cee399 / cmd / callgraph / main_test.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/cmd/callgraph/main_test.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/cmd/callgraph/main_test.go
new file mode 100644 (file)
index 0000000..f486def
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.1.1-0.20210319172145-bda8f5cee399/cmd/callgraph/main_test.go
@@ -0,0 +1,103 @@
+// Copyright 2014 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.
+
+// No testdata on Android.
+
+//go:build !android && go1.11
+// +build !android,go1.11
+
+package main
+
+import (
+       "bytes"
+       "fmt"
+       "log"
+       "os"
+       "path/filepath"
+       "strings"
+       "testing"
+
+       "golang.org/x/tools/internal/testenv"
+)
+
+func init() {
+       // This test currently requires GOPATH mode.
+       // Explicitly disabling module mode should suffix, but
+       // we'll also turn off GOPROXY just for good measure.
+       if err := os.Setenv("GO111MODULE", "off"); err != nil {
+               log.Fatal(err)
+       }
+       if err := os.Setenv("GOPROXY", "off"); err != nil {
+               log.Fatal(err)
+       }
+}
+
+func TestCallgraph(t *testing.T) {
+       testenv.NeedsTool(t, "go")
+
+       gopath, err := filepath.Abs("testdata")
+       if err != nil {
+               t.Fatal(err)
+       }
+
+       for _, test := range []struct {
+               algo  string
+               tests bool
+               want  []string
+       }{
+               {"rta", false, []string{
+                       // rta imprecisely shows cross product of {main,main2} x {C,D}
+                       `pkg.main --> (pkg.C).f`,
+                       `pkg.main --> (pkg.D).f`,
+                       `pkg.main --> pkg.main2`,
+                       `pkg.main2 --> (pkg.C).f`,
+                       `pkg.main2 --> (pkg.D).f`,
+               }},
+               {"pta", false, []string{
+                       // pta distinguishes main->C, main2->D.  Also has a root node.
+                       `<root> --> pkg.init`,
+                       `<root> --> pkg.main`,
+                       `pkg.main --> (pkg.C).f`,
+                       `pkg.main --> pkg.main2`,
+                       `pkg.main2 --> (pkg.D).f`,
+               }},
+               // tests: both the package's main and the test's main are called.
+               // The callgraph includes all the guts of the "testing" package.
+               {"rta", true, []string{
+                       `pkg.test.main --> testing.MainStart`,
+                       `testing.runExample --> pkg.Example`,
+                       `pkg.Example --> (pkg.C).f`,
+                       `pkg.main --> (pkg.C).f`,
+               }},
+               {"pta", true, []string{
+                       `<root> --> pkg.test.main`,
+                       `<root> --> pkg.main`,
+                       `pkg.test.main --> testing.MainStart`,
+                       `testing.runExample --> pkg.Example`,
+                       `pkg.Example --> (pkg.C).f`,
+                       `pkg.main --> (pkg.C).f`,
+               }},
+       } {
+               const format = "{{.Caller}} --> {{.Callee}}"
+               stdout = new(bytes.Buffer)
+               if err := doCallgraph("testdata/src", gopath, test.algo, format, test.tests, []string{"pkg"}); err != nil {
+                       t.Error(err)
+                       continue
+               }
+
+               edges := make(map[string]bool)
+               for _, line := range strings.Split(fmt.Sprint(stdout), "\n") {
+                       edges[line] = true
+               }
+               for _, edge := range test.want {
+                       if !edges[edge] {
+                               t.Errorf("callgraph(%q, %t): missing edge: %s",
+                                       test.algo, test.tests, edge)
+                       }
+               }
+               if t.Failed() {
+                       t.Log("got:\n", stdout)
+               }
+       }
+}