use super::{Allocator, Kind, SurfaceChild, selected};
#[test]
fn moved_owner_and_pending_growth_rejoin_exact_backing_without_second_iteration()
-> Result<(), &'static str> {
let arena = Allocator::default();
let source = "<!--前雪🌸--><template>first<!--middle--> 尾 \t </template>";
let original = selected(&arena, source)?;
let mut body = original.children();
let first = body.next().ok_or("first")?;
let receipt = original
.prepare_condensed_root_text(first)
.map_err(|_| "first receipt")?;
let comment = body.next().ok_or("comment")?;
assert!(matches!(comment.surface(), SurfaceChild::Comment(_)));
let tail = body.next().ok_or("tail")?;
let tail_receipt = original
.prepare_condensed_root_text(tail)
.map_err(|_| "tail receipt")?;
assert_eq!(body.len(), 0);
let mut parked = alloc::vec::Vec::new();
parked.push(receipt);
parked.push(tail_receipt);
parked.reserve(32);
let moved = core::hint::black_box(original);
assert!(
parked
.first()
.ok_or("first parked receipt")?
.admitted_for_root_at(&moved, 0)
.is_some()
);
assert!(
parked
.last()
.ok_or("last parked receipt")?
.admitted_for_root_at(&moved, 2)
.is_some()
);
assert_eq!(parked.last().ok_or("tail")?.content(), Some(" 尾 "));
assert!(
parked
.first()
.ok_or("first")?
.admitted_for_root_at(&moved, 2)
.is_none()
);
assert!(
parked
.last()
.ok_or("last")?
.admitted_for_root_at(&moved, 0)
.is_none()
);
assert!(
parked
.last()
.ok_or("last")?
.admitted_for_root_at(&moved, 3)
.is_none()
);
assert_eq!(moved.children().len(), 3);
crate::check_fidelity(&moved.component().carrier().tree).map_err(|_| "retained fidelity")?;
Ok(())
}
#[test]
fn same_source_reparse_copied_source_and_sibling_slots_cannot_supply_foreign_origin()
-> Result<(), &'static str> {
let arena = Allocator::default();
let source = "<template>same<!--middle-->same</template>";
let owner = selected(&arena, source)?;
let child = owner.children().next().ok_or("original")?;
let receipt = owner
.prepare_condensed_root_text(child)
.map_err(|_| "original receipt")?;
assert!(receipt.admitted_for_root_at(&owner, 2).is_none());
let copied = vize_l0::String::from(source);
for foreign_source in [source, copied.as_str()] {
let foreign = selected(&arena, foreign_source)?;
assert!(receipt.admitted_for_root_at(&foreign, 0).is_none());
assert!(matches!(
owner.prepare_condensed_root_text(foreign.children().next().ok_or("foreign text")?),
Err(Kind::ForeignComponent)
));
assert!(
foreign
.prepare_condensed_root_text(foreign.children().next().ok_or("actual foreign")?)
.is_ok()
);
}
Ok(())
}
#[test]
fn nested_pre_rcdata_and_nontext_events_never_mint_root_whitespace_authority()
-> Result<(), &'static str> {
let arena = Allocator::default();
for source in [
"<template><div> a \t b </div></template>",
"<template><pre>\r\n a\t b\r\n</pre></template>",
"<template><textarea> a\t b </textarea></template>",
"<template><div v-pre>{{ a }} \t b </div></template>",
] {
let owner = selected(&arena, source)?;
let child = owner.children().next().ok_or("actual root element")?;
assert!(matches!(
owner.prepare_condensed_root_text(child.reborrow()),
Err(Kind::NotText)
));
let element = child.into_element().ok_or("actual original parent")?;
let nested = element.children().next().ok_or("actual nested text")?;
assert!(matches!(
owner.prepare_condensed_root_text(nested),
Err(Kind::NestedChild)
));
crate::check_fidelity(&owner.component().carrier().tree)
.map_err(|_| "original fidelity")?;
}
let owner = selected(&arena, "<template><!--comment-->{{ value }}</template>")?;
for child in owner.children() {
assert!(matches!(
owner.prepare_condensed_root_text(child),
Err(Kind::NotText)
));
}
Ok(())
}
#[test]
fn entity_spelling_refuses_before_decode_and_the_next_original_text_stays_available()
-> Result<(), &'static str> {
let arena = Allocator::default();
for source in [
"<template>A 	B<!--separator-->next</template>",
"<template>  <!--separator-->next</template>",
"<template>&#32;<!--separator-->next</template>",
"<template>literal&<!--separator-->next</template>",
"<template>literal&unknown;<!--separator-->next</template>",
] {
let owner = selected(&arena, source)?;
let mut body = owner.children();
let first = body.next().ok_or("authored entity text")?;
let original = first.surface();
let before = arena.allocated_bytes();
assert!(matches!(
owner.prepare_condensed_root_text(first),
Err(Kind::Entity)
));
assert_eq!(arena.allocated_bytes(), before);
assert!(core::ptr::eq(
owner.children().next().ok_or("original remains")?.surface(),
original
));
assert!(matches!(
body.next().ok_or("original comment")?.surface(),
SurfaceChild::Comment(_)
));
let receipt = owner
.prepare_condensed_root_text(body.next().ok_or("actual next")?)
.map_err(|_| "next original receipt")?;
assert_eq!(receipt.content(), Some("next"));
assert!(receipt.admitted_for_root_at(&owner, 2).is_some());
crate::check_fidelity(&owner.component().carrier().tree).map_err(|_| "fidelity")?;
}
Ok(())
}
#[test]
fn original_unsupported_parser_observations_refuse_before_deriving_root_text()
-> Result<(), &'static str> {
let arena = Allocator::default();
let source = "<template> original<div v-pre:[([([([([([([([([([([([([([([([([([([([([([([([([([([([([([([([([key])])])])])])])])])])])])])])])])])])])])])])])])])])])])])])])])]>body</div></template>";
let owner = selected(&arena, source)?;
assert_eq!(owner.component().carrier().unsupported.len(), 1);
assert_eq!(
owner.component().carrier().unsupported[0].error,
crate::markup::DirectiveNameError::NestingLimit
);
let child = owner.children().next().ok_or("original text prefix")?;
let original = child.surface();
let before = arena.allocated_bytes();
assert!(matches!(
owner.prepare_condensed_root_text(child),
Err(Kind::RecoveredComponent)
));
assert_eq!(arena.allocated_bytes(), before);
assert!(core::ptr::eq(
owner
.children()
.next()
.ok_or("original prefix retained")?
.surface(),
original
));
assert!(!owner.component().carrier().unsupported.is_empty());
crate::check_fidelity(&owner.component().carrier().tree)
.map_err(|_| "original recovered fidelity")?;
let accepted = selected(
&arena,
"<template> original<div v-pre:[((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((key))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))]>body</div></template>",
)?;
assert!(accepted.component().carrier().unsupported.is_empty());
let prefix = accepted
.prepare_condensed_root_text(accepted.children().next().ok_or("accepted prefix")?)
.map_err(|_| "actual accepted delimiter run")?;
assert_eq!(prefix.content(), Some(" original"));
Ok(())
}
#[test]
fn source_selected_typescript_role_is_retained_without_a_caller_profile() -> Result<(), &'static str>
{
let arena = Allocator::default();
let source =
"<!--前雪🌸--><template> a\t b </template><script setup lang=ts>const x=true</script>";
let owner = selected(&arena, source)?;
let receipt = owner
.prepare_condensed_root_text(owner.children().next().ok_or("actual root")?)
.map_err(|_| "original root text")?;
assert_eq!(
receipt.grammar(),
crate::markup::NativeTemplateGrammar::TypeScriptModule
);
assert!(core::ptr::eq(receipt.block().root_source(), source));
assert_eq!(receipt.span().slice(source), " a\t b ");
assert_eq!(receipt.content(), Some(" a b "));
assert!(receipt.admitted_for_root_at(&owner, 0).is_some());
Ok(())
}