def target = Stub(SomeType)
        target.value >> 12

        expect:
        def impl1 = generate(SomeTypeImpl, SpecializedType)
        def impl2 = generate(SomeTypeImpl, SpecializedType2)
        impl1 != impl2
        SpecializedType.isAssignableFrom(impl1)
        SpecializedType2.isAssignableFrom(impl2)
    }

var templateFileExecTests = []execTest{
	{"test", `{{template "tmpl1.tmpl"}}{{template "tmpl2.tmpl"}}`, "template1\n\ny\ntemplate2\n\nx\n", 0, true},
}

func TestParseFilesWithData(t *testing.T) {
	template, err := New("root").ParseFiles("testdata/tmpl1.tmpl", "testdata/tmpl2.tmpl")
	if err != nil {
		t.Fatalf("error parsing files: %v", err)
	}