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-rw-r--r--src/cmd/cover/pkgname_test.go31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/cmd/cover/pkgname_test.go b/src/cmd/cover/pkgname_test.go
new file mode 100644
index 0000000..1c731ad
--- /dev/null
+++ b/src/cmd/cover/pkgname_test.go
@@ -0,0 +1,31 @@
+// Copyright 2020 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.
+
+package main
+
+import "testing"
+
+func TestPackageName(t *testing.T) {
+ var tests = []struct {
+ fileName, pkgName string
+ }{
+ {"", ""},
+ {"///", ""},
+ {"fmt", ""}, // No Go file, improper form.
+ {"fmt/foo.go", "fmt"},
+ {"encoding/binary/foo.go", "binary"},
+ {"encoding/binary/////foo.go", "binary"},
+ }
+ var tf templateFile
+ for _, test := range tests {
+ tf.Name = test.fileName
+ td := templateData{
+ Files: []*templateFile{&tf},
+ }
+ got := td.PackageName()
+ if got != test.pkgName {
+ t.Errorf("%s: got %s want %s", test.fileName, got, test.pkgName)
+ }
+ }
+}