t.Errorf("got %v, want %v", got, want)
		}
	}
}

func TestRecordSource(t *testing.T) {
	// Zero call depth => empty *Source.
	for _, test := range []struct {
		depth            int
		wantFunction     string
		wantFile         string
		wantLinePositive bool
	}{
		{0, "", "", false},
		{-16, "", "", false},
		{1, "log/slog.TestRecordSource", "record_test.go", true}, // 1: caller of NewRecord