1 files changed, 27 insertions, 0 deletions
diff --git a/gopls/internal/vulncheck/vulntest/stdlib_test.go b/gopls/internal/vulncheck/vulntest/stdlib_test.go
new file mode 100644
index 000000000..8f893f3ec
--- /dev/null
+++ b/gopls/internal/vulncheck/vulntest/stdlib_test.go
@@ -0,0 +1,27 @@
+// Copyright 2022 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.
+
+//go:build go1.18
+// +build go1.18
+
+package vulntest
+
+import "testing"
+
+func TestMaybeStdlib(t *testing.T) {
+	for _, test := range []struct {
+		in   string
+		want bool
+	}{
+		{"", false},
+		{"math/crypto", true},
+		{"github.com/pkg/errors", false},
+		{"Path is unknown", false},
+	} {
+		got := maybeStdlib(test.in)
+		if got != test.want {
+			t.Errorf("%q: got %t, want %t", test.in, got, test.want)
+		}
+	}
+}