1 files changed, 12 insertions, 0 deletions
diff --git a/src/cmd/go/testdata/src/xtestonly/f_test.go b/src/cmd/go/testdata/src/xtestonly/f_test.go
new file mode 100644
index 000000000..01f6e8373
--- /dev/null
+++ b/src/cmd/go/testdata/src/xtestonly/f_test.go
@@ -0,0 +1,12 @@
+package xtestonly_test
+
+import (
+	"testing"
+	"xtestonly"
+)
+
+func TestF(t *testing.T) {
+	if x := xtestonly.F(); x != 42 {
+		t.Errorf("f.F() = %d, want 42", x)
+	}
+}