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v/vlib/json/json_option_test.v

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import json
pub struct MyStruct {
pub mut:
valuea int
}
pub struct MyStruct2 {
pub mut:
valuea int
valueb ?MyStruct
}
struct Node {
location NodeLocation [json: 'loc']
}
struct NodeLocation {
source_file ?SourceFile [json: 'includedFrom']
}
struct SourceFile {
path string [json: 'file']
}
fn test_encode_decode() {
assert json.encode(MyStruct2{ valuea: 1 }) == '{"valuea":1}'
assert json.decode(MyStruct2, '{"valuea": 1}')! == MyStruct2{
valuea: 1
valueb: none
}
}
fn test_encode_decode2() {
assert json.encode(MyStruct2{ valuea: 1, valueb: none }) == '{"valuea":1}'
assert json.decode(MyStruct2, '{"valuea": 1}')! == MyStruct2{
valuea: 1
valueb: none
}
}
fn test_encode_decode3() {
assert json.encode(MyStruct2{
valuea: 1
valueb: MyStruct{
valuea: 123
}
}) == '{"valuea":1,"valueb":{"valuea":123}}'
assert json.decode(MyStruct2, '{"valuea": 1}')! == MyStruct2{
valuea: 1
valueb: none
}
}
fn test_main() {
node := json.decode(Node, '{"loc": { "includedFrom": { "file": "/bin/foo" } } }')!
source_file := node.location.source_file or {
SourceFile{
path: '-'
}
}
assert source_file.path == '/bin/foo'
}