def test_size_with_parent_override():
template = XMLTemplateParser("""
<template name="template0">
<layout name="layout0">
<area name="area0" size="16">
<field name="field1_size" size="4"></field>
</area>
</layout>
</template>""").parse()
template_provider = TemplateProvider(template)
data_provider = DataProvider(io.BytesIO(bytes([0x04, 0x00, 0x00, 0x00])))
template.binding_context = BindingContext(template_provider, data_provider)
assert template.size == 16
def test_size_with_resolvable_values():
template = XMLTemplateParser("""
<template name="template0">
<layout name="layout0">
<area name="area0">
<field name="field1_size" size="4"></field>
<field name="field1" size="{field1_size, byteorder=little}"></field>
</area>
</layout>
</template>""").parse()
template_provider = TemplateProvider(template)
data_provider = DataProvider(io.BytesIO(bytes([0x04, 0x00, 0x00, 0x00])))
template.binding_context = BindingContext(template_provider, data_provider)
assert template.size == 8
