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use syntax::ast;
use syntax::codemap::{DUMMY_SP, Spanned, respan};
use syntax::ptr::P;
use aster::AstBuilder;
#[test]
fn test_empty() {
let builder = AstBuilder::new();
let struct_def = builder.struct_def().build();
assert_eq!(
struct_def,
P(ast::StructDef {
fields: vec![],
ctor_id: None,
})
);
}
#[test]
fn test_fields() {
let builder = AstBuilder::new();
let struct_def = builder.struct_def()
.field("x").ty().isize()
.field("y").ty().isize()
.build();
assert_eq!(
struct_def,
P(ast::StructDef {
fields: vec![
Spanned {
span: DUMMY_SP,
node: ast::StructField_ {
kind: ast::NamedField(
builder.id("x"),
ast::Inherited,
),
id: ast::DUMMY_NODE_ID,
ty: builder.ty().isize(),
attrs: vec![],
},
},
Spanned {
span: DUMMY_SP,
node: ast::StructField_ {
kind: ast::NamedField(
builder.id("y"),
ast::Inherited,
),
id: ast::DUMMY_NODE_ID,
ty: builder.ty().isize(),
attrs: vec![],
},
},
],
ctor_id: None,
})
);
}
#[test]
fn test_attrs() {
let builder = AstBuilder::new();
let struct_def = builder.struct_def()
.field("x")
.attr().doc("/// doc string")
.attr().automatically_derived()
.ty().isize()
.build();
assert_eq!(
struct_def,
P(ast::StructDef {
fields: vec![
Spanned {
span: DUMMY_SP,
node: ast::StructField_ {
kind: ast::NamedField(
builder.id("x"),
ast::Inherited,
),
id: ast::DUMMY_NODE_ID,
ty: builder.ty().isize(),
attrs: vec![
respan(
DUMMY_SP,
ast::Attribute_ {
id: ast::AttrId(0),
style: ast::AttrOuter,
value: P(respan(
DUMMY_SP,
ast::MetaNameValue(
builder.interned_string("doc"),
(*builder.lit().str("/// doc string")).clone(),
),
)),
is_sugared_doc: true,
}
),
respan(
DUMMY_SP,
ast::Attribute_ {
id: ast::AttrId(1),
style: ast::AttrOuter,
value: P(respan(
DUMMY_SP,
ast::MetaWord(builder.interned_string("automatically_derived")),
)),
is_sugared_doc: false,
}
),
],
},
},
],
ctor_id: None,
})
);
}
#[test]
fn test_with_fields() {
let builder = AstBuilder::new();
let struct_def = builder.struct_def()
.field("x").ty().isize()
.field("y").ty().isize()
.build();
let struct_def2 = builder.struct_def()
.with_fields(
vec!["x","y"].iter()
.map(|f| builder.field(f).ty().isize())
)
.build();
assert_eq!(
struct_def,
struct_def2
);
}