Function wantErr

wrap_caller_test.go:103–113

(t testing.TB, err error, fn string)

}

func wantErr(t testing.TB, err error, fn string) runtime.Frame {
	if err == nil {
		t.Fatalf("expected err")
	}

	f, _, _ := errtrace.UnwrapFrame(err)
	if !strings.HasSuffix(f.Function, "."+fn) {
		t.Errorf("expected caller to be %v, got %v", fn, f.Function)
	}
	return f
}