SamandClaude Fable 5
d7f4c59fa8
- `--surface` re-runs the comparison against the captured in-world global table on demand, and `--surface-dump` writes our raw side for any tool to join — a one-shot measurement stops drifting - CreateFrame with an unresolvable template raises exactly as the client does, instead of handing back a bare frame; `inherits=` is one name, matched case-insensitively - CreateFontString and CreateTexture honour their third argument — 49 corpus call sites were passing an inherit into the void - the addon-message inbound byte map is corrected (a test had agreed with the wrong constants), and the group-loot roll template publishes under the reference's own name Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
1032 lines
41 KiB
Rust
1032 lines
41 KiB
Rust
//! Font objects as first-class Lua objects ([`crate::script::font`]).
|
||
//!
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||
//! Every test here is driven **the way the 218-addon corpus drives it** — the bare-global argument,
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//! the no-arg `CreateFontString`, `CreateFont` — rather than the way our own shipped XML does,
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//! because the string-name form our XML uses was the only one we accepted and it is the form
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//! almost nobody writes (6 corpus sites against 3,180).
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use super::common::script;
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use crate::script::{FontObject, JustifyH, JustifyV, Outline, QuadContent, UiScript};
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/// Load a FrameXML fragment through the real loader, asserting it reported no errors.
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fn load(s: &UiScript, xml: &str) {
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let doc = crate::framexml::parse(xml).expect("valid FrameXML");
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let report = crate::loader::load(s, &doc, &|_| None);
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assert!(
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report.errors.is_empty(),
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"loader errors: {:?}",
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report.errors
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);
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}
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/// The resolved `(face, height, colour)` of the one text quad on screen.
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fn painted(s: &UiScript, text: &str) -> (Option<String>, Option<f32>, Option<[f32; 4]>) {
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s.extract()
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.into_iter()
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.find_map(|q| match q.content {
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QuadContent::Text {
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text: Some(ref t),
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ref font,
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font_height,
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color,
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..
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} if t == text => Some((font.clone(), font_height, color)),
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_ => None,
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})
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.unwrap_or_else(|| panic!("no text quad reading {text:?}"))
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}
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// ─────────────────────────────────────────────────────────────────────────────────────────────
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// Publication
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// ─────────────────────────────────────────────────────────────────────────────────────────────
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/// A `<Font name="X">` in FrameXML becomes the **global `X`**, an object of type `Font`.
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///
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/// This is the whole gap: we registered the resolved record and never named it, so every
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/// `SetFontObject(GameFontNormal)` in the ecosystem was handed nil.
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#[test]
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fn a_declared_font_is_published_as_a_global_object() {
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let s = script();
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load(
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&s,
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r#"<Ui>
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<Font name="GameFontNormal" font="Fonts\FRIZQT__.TTF" justifyH="LEFT">
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<FontHeight><AbsValue val="12"/></FontHeight>
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<Color r="1" g="0.82" b="0"/>
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<Shadow><Offset><AbsDimension x="1" y="-1"/></Offset><Color r="0" g="0" b="0"/></Shadow>
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</Font>
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</Ui>"#,
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);
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assert_eq!(
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s.eval::<String>("return GameFontNormal:GetObjectType()")
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.unwrap(),
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"Font"
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);
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assert!(s
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.eval::<bool>("return GameFontNormal:IsObjectType('Font')")
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.unwrap());
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assert_eq!(
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s.eval::<String>("return GameFontNormal:GetName()").unwrap(),
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"GameFontNormal"
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);
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// Object identity is stable: two reads of the global are the same object, which is what makes
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// `if fs:GetFontObject() == GameFontNormal` work at all.
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assert!(s
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.eval::<bool>("return GameFontNormal == GameFontNormal")
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.unwrap());
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// The declared paint reads back through the FontInstance getters.
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assert_eq!(
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s.eval::<(String, f32, String)>("return GameFontNormal:GetFont()")
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.unwrap(),
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("Fonts\\FRIZQT__.TTF".to_string(), 12.0, String::new())
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);
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let (r, g, b, _) = s
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.eval::<(f32, f32, f32, f32)>("return GameFontNormal:GetTextColor()")
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.unwrap();
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assert_eq!((r, g, b), (1.0, 0.82, 0.0));
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assert_eq!(
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s.eval::<(f32, f32)>("return GameFontNormal:GetShadowOffset()")
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.unwrap(),
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(1.0, -1.0)
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||
);
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||
assert_eq!(
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s.eval::<(f32, f32, f32, f32)>("return GameFontNormal:GetShadowColor()")
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||
.unwrap(),
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(0.0, 0.0, 0.0, 1.0)
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);
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assert_eq!(
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s.eval::<String>("return GameFontNormal:GetJustifyH()")
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.unwrap(),
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"LEFT"
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);
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}
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/// **`Tablet-2.0.lua:289`, verbatim.** `_, headerSize = GameTooltipHeaderText:GetFont()` — the
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/// single most-called font-object read in the corpus (268 sites across the four embedded Ace
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/// libraries). Until the global existed, Tablet fell to its hardcoded 14/12 guard branch.
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#[test]
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fn tablet_reads_the_tooltip_header_size_off_the_global() {
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let s = script();
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load(
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&s,
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r#"<Ui>
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<Font name="GameTooltipText" font="Fonts\FRIZQT__.TTF">
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<FontHeight><AbsValue val="12"/></FontHeight>
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</Font>
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<Font name="GameTooltipHeaderText" inherits="GameTooltipText">
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<FontHeight><AbsValue val="14"/></FontHeight>
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</Font>
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</Ui>"#,
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);
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let (header, normal) = s
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.eval::<(f32, f32)>(
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r#"
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local headerSize, normalSize
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if GameTooltipHeaderText then
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_, headerSize = GameTooltipHeaderText:GetFont()
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else
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headerSize = 14
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end
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if GameTooltipText then
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_, normalSize = GameTooltipText:GetFont()
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else
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normalSize = 12
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end
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return headerSize, normalSize
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"#,
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)
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.unwrap();
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assert_eq!((header, normal), (14.0, 12.0));
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}
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/// **Requirement 5: publishing must not change what `inherits=` resolves to.** The chain is still
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/// flattened once, at load, and the published object carries the *flattened* values — the derived
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/// font sees the parent's face and its own height override.
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#[test]
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fn an_inheriting_font_still_flattens_to_the_same_values() {
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let s = script();
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load(
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&s,
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r#"<Ui>
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<Font name="MasterFont" font="Fonts\FRIZQT__.TTF" justifyH="CENTER">
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<FontHeight><AbsValue val="10"/></FontHeight>
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<Color r="1" g="1" b="1"/>
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<Shadow><Offset><AbsDimension x="1" y="-1"/></Offset><Color r="0" g="0" b="0"/></Shadow>
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</Font>
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<Font name="DerivedFont" inherits="MasterFont" outline="NORMAL">
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<FontHeight><AbsValue val="18"/></FontHeight>
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</Font>
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</Ui>"#,
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);
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// The Rust-side record — unchanged by publication.
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let derived = s.font_object("DerivedFont").expect("registered");
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assert_eq!(derived.font.as_deref(), Some("Fonts\\FRIZQT__.TTF"));
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assert_eq!(derived.height, Some(18.0));
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assert_eq!(derived.color, Some([1.0, 1.0, 1.0, 1.0]));
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assert_eq!(derived.outline, Outline::Normal);
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assert_eq!(derived.justify_h, Some(JustifyH::Center));
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assert!(derived.shadow.is_some(), "the shadow inherits too");
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// …and the same values through the published object.
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assert_eq!(
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s.eval::<(String, f32, String)>("return DerivedFont:GetFont()")
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.unwrap(),
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(
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"Fonts\\FRIZQT__.TTF".to_string(),
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18.0,
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"OUTLINE".to_string()
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)
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);
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}
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// ─────────────────────────────────────────────────────────────────────────────────────────────
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// SetFontObject / GetFontObject
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// ─────────────────────────────────────────────────────────────────────────────────────────────
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/// **`Gratuity-2.0.lua:47-59`, verbatim** — the block that took five corpus addons down at load
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/// with `bad argument #2: error converting Lua nil to String`.
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///
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/// Three separate things have to hold for it: `CreateFontString()` with **no arguments**,
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/// `SetFontObject` taking the **object**, and `AddFontStrings` existing at all (fixing only the
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/// first two moves the death one line down).
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#[test]
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fn gratuity_builds_its_thirty_line_scan_tooltip() {
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let s = script();
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load(
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&s,
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r#"<Ui>
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<Font name="GameFontNormal" font="Fonts\FRIZQT__.TTF">
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<FontHeight><AbsValue val="12"/></FontHeight>
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<Color r="1" g="0.82" b="0"/>
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</Font>
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</Ui>"#,
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);
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s.run(
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r#"
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vars = { Llines = {}, Rlines = {} }
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local tt = CreateFrame("GameTooltip")
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vars.tooltip = tt
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tt:SetOwner(tt, "ANCHOR_NONE")
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for i = 1, 30 do
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vars.Llines[i], vars.Rlines[i] = tt:CreateFontString(), tt:CreateFontString()
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vars.Llines[i]:SetFontObject(GameFontNormal)
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vars.Rlines[i]:SetFontObject(GameFontNormal)
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tt:AddFontStrings(vars.Llines[i], vars.Rlines[i])
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end
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"#,
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)
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.expect("Gratuity's CreateTooltip must not raise");
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assert!(s.errors().is_empty(), "script errors: {:?}", s.errors());
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// The font object actually landed on the lines it made.
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assert_eq!(
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s.eval::<(String, f32)>("return vars.Llines[7]:GetFont()")
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.unwrap(),
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("Fonts\\FRIZQT__.TTF".to_string(), 12.0)
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);
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||
assert_eq!(
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s.eval::<String>("return vars.Rlines[30]:GetFontObject():GetName()")
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||
.unwrap(),
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"GameFontNormal"
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);
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// And Gratuity's own next move — `ClearLines` over the grown stack — still works.
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s.run("vars.tooltip:ClearLines()").unwrap();
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}
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/// The object form and the string form must resolve to **the same paint**. Both are kept: the
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/// object is what 3,180 of 3,186 corpus sites pass, the string is what our own `assets/ui` and 6
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/// corpus sites pass.
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||
#[test]
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||
fn set_font_object_takes_the_object_or_the_name() {
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let mut s = script();
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s.set_screen_size(800.0, 600.0);
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s.register_font_object(
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"GameFontHighlightSmall",
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FontObject {
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font: Some("Fonts\\ARIALN.TTF".into()),
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height: Some(11.0),
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color: Some([0.25, 0.5, 0.75, 1.0]),
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outline: Outline::Thick,
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justify_h: None,
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justify_v: None,
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shadow: None,
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},
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);
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s.run(
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r#"
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f = CreateFrame("Frame", "TwoWays")
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f:SetWidth(200); f:SetHeight(40); f:SetPoint("CENTER")
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byObject = f:CreateFontString(nil, "ARTWORK")
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byObject:SetText("obj")
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byObject:SetFontObject(GameFontHighlightSmall)
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byName = f:CreateFontString(nil, "ARTWORK")
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byName:SetText("str")
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byName:SetFontObject("GameFontHighlightSmall")
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"#,
|
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)
|
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.unwrap();
|
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s.resolve();
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assert_eq!(painted(&s, "obj"), painted(&s, "str"));
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||
assert_eq!(
|
||
painted(&s, "obj"),
|
||
(
|
||
Some("Fonts\\ARIALN.TTF".into()),
|
||
Some(11.0),
|
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Some([0.25, 0.5, 0.75, 1.0])
|
||
)
|
||
);
|
||
// …and both name the same object back.
|
||
assert!(s
|
||
.eval::<bool>("return byObject:GetFontObject() == byName:GetFontObject()")
|
||
.unwrap());
|
||
|
||
// nil is the THIRD form the reference's own usage string names
|
||
// (`SetFontObject(font or "font" or nil)`, `.rdata 0x87c5cc`): it severs the link and leaves
|
||
// the paint standing.
|
||
s.run("byName:SetFontObject(nil)").unwrap();
|
||
assert!(s
|
||
.eval::<bool>("return byName:GetFontObject() == nil")
|
||
.unwrap());
|
||
s.resolve();
|
||
assert_eq!(
|
||
painted(&s, "str").1,
|
||
Some(11.0),
|
||
"unlinking must not repaint"
|
||
);
|
||
// A frame or an unknown name is still an ERROR, never a silent no-op (1203/1205/1211's class).
|
||
assert!(s.run("byName:SetFontObject(f)").is_err());
|
||
assert!(s.run("byName:SetFontObject('NoSuchFont')").is_err());
|
||
}
|
||
|
||
/// `GetFontObject` returns the **object**, not a name — because `Dewdrop-2.0.lua:2181` indexes the
|
||
/// result immediately: `button.text:SetTextColor(button.text:GetFontObject():GetTextColor())`.
|
||
/// 65 sites across 62 corpus addons do exactly this.
|
||
#[test]
|
||
fn dewdrop_recolors_a_row_from_its_own_font_object() {
|
||
let mut s = script();
|
||
s.set_screen_size(800.0, 600.0);
|
||
s.register_font_object(
|
||
"GameFontHighlightSmall",
|
||
FontObject {
|
||
font: Some("Fonts\\FRIZQT__.TTF".into()),
|
||
height: Some(10.0),
|
||
color: Some([1.0, 1.0, 1.0, 1.0]),
|
||
outline: Outline::None,
|
||
justify_h: None,
|
||
justify_v: None,
|
||
shadow: None,
|
||
},
|
||
);
|
||
s.run(
|
||
r#"
|
||
f = CreateFrame("Frame", "DdRow")
|
||
f:SetWidth(120); f:SetHeight(16); f:SetPoint("CENTER")
|
||
button = { text = f:CreateFontString(nil, "ARTWORK") }
|
||
button.text:SetText("row")
|
||
button.text:SetFontObject(GameFontHighlightSmall)
|
||
button.text:SetTextColor(button.text:GetFontObject():GetTextColor())
|
||
"#,
|
||
)
|
||
.expect("Dewdrop's row recolor must not raise");
|
||
s.resolve();
|
||
assert_eq!(painted(&s, "row").2, Some([1.0, 1.0, 1.0, 1.0]));
|
||
}
|
||
|
||
// ─────────────────────────────────────────────────────────────────────────────────────────────
|
||
// Mutability — the decision, pinned
|
||
// ─────────────────────────────────────────────────────────────────────────────────────────────
|
||
|
||
/// **The mutability decision.** A font object is a shared record with a **live** link: mutating it
|
||
/// re-paints every FontString that inherits it, which is why addons mutate one at all. What a
|
||
/// FontString set *for itself* since its own `SetFontObject` survives that re-paint — our
|
||
/// `FONTINSTANCE+0x038 explicitlySetMask`.
|
||
///
|
||
/// If this ever regresses to a one-shot copy, `inherited` stops moving and the test says so; if the
|
||
/// mask is dropped, `overridden` loses its red.
|
||
#[test]
|
||
fn mutating_a_font_object_repaints_everything_that_inherits_it() {
|
||
let mut s = script();
|
||
s.set_screen_size(800.0, 600.0);
|
||
s.register_font_object(
|
||
"ThemeFont",
|
||
FontObject {
|
||
font: Some("Fonts\\FRIZQT__.TTF".into()),
|
||
height: Some(12.0),
|
||
color: Some([1.0, 1.0, 1.0, 1.0]),
|
||
outline: Outline::None,
|
||
justify_h: None,
|
||
justify_v: None,
|
||
shadow: None,
|
||
},
|
||
);
|
||
s.run(
|
||
r#"
|
||
f = CreateFrame("Frame", "ThemeHost")
|
||
f:SetWidth(200); f:SetHeight(60); f:SetPoint("CENTER")
|
||
a = f:CreateFontString(nil, "ARTWORK"); a:SetText("inherited")
|
||
a:SetFontObject(ThemeFont)
|
||
b = f:CreateFontString(nil, "ARTWORK"); b:SetText("overridden")
|
||
b:SetFontObject(ThemeFont)
|
||
b:SetTextColor(1, 0, 0)
|
||
"#,
|
||
)
|
||
.unwrap();
|
||
s.resolve();
|
||
assert_eq!(painted(&s, "inherited").1, Some(12.0));
|
||
assert_eq!(painted(&s, "overridden").2, Some([1.0, 0.0, 0.0, 1.0]));
|
||
|
||
// The mutation the whole feature exists for.
|
||
s.run(
|
||
r#"
|
||
ThemeFont:SetFont("Fonts\\MORPHEUS.TTF", 20)
|
||
ThemeFont:SetTextColor(0, 1, 0)
|
||
"#,
|
||
)
|
||
.unwrap();
|
||
s.resolve();
|
||
|
||
// Both followed the face and size…
|
||
assert_eq!(
|
||
painted(&s, "inherited"),
|
||
(
|
||
Some("Fonts\\MORPHEUS.TTF".into()),
|
||
Some(20.0),
|
||
Some([0.0, 1.0, 0.0, 1.0])
|
||
)
|
||
);
|
||
assert_eq!(
|
||
painted(&s, "overridden").0,
|
||
Some("Fonts\\MORPHEUS.TTF".into())
|
||
);
|
||
assert_eq!(painted(&s, "overridden").1, Some(20.0));
|
||
// …but the one that had set its own colour kept it.
|
||
assert_eq!(
|
||
painted(&s, "overridden").2,
|
||
Some([1.0, 0.0, 0.0, 1.0]),
|
||
"an explicitly-set property must survive a font-object mutation"
|
||
);
|
||
|
||
// §5-verified: severance SURVIVES a re-point. The reference's inheritMask bit (`+0x2c`,
|
||
// FontString `+0xd4`) is cleared by the local setter and never restored, so "a FontString that
|
||
// set its own colour stays severed even across a later SetFontObject". Our first cut reset the
|
||
// mask here and this assertion was its inverse.
|
||
s.run("b:SetFontObject(ThemeFont)").unwrap();
|
||
s.resolve();
|
||
assert_eq!(
|
||
painted(&s, "overridden").2,
|
||
Some([1.0, 0.0, 0.0, 1.0]),
|
||
"a re-point must not restore inheritance of a severed property"
|
||
);
|
||
// Dewdrop still works, because it re-reads the colour off the new object explicitly every
|
||
// refresh (`Dewdrop-2.0.lua:2181`) rather than relying on inheritance.
|
||
s.run("b:SetTextColor(b:GetFontObject():GetTextColor())")
|
||
.unwrap();
|
||
s.resolve();
|
||
assert_eq!(painted(&s, "overridden").2, Some([0.0, 1.0, 0.0, 1.0]));
|
||
}
|
||
|
||
/// A mutation of a font object nobody inherits touches nothing, and a FontString that inherits a
|
||
/// *different* object is not caught in the sweep.
|
||
#[test]
|
||
fn propagation_is_scoped_to_the_object_that_changed() {
|
||
let mut s = script();
|
||
s.set_screen_size(800.0, 600.0);
|
||
for (name, face) in [("FontOne", "Fonts\\ONE.TTF"), ("FontTwo", "Fonts\\TWO.TTF")] {
|
||
s.register_font_object(
|
||
name,
|
||
FontObject {
|
||
font: Some(face.into()),
|
||
height: Some(12.0),
|
||
color: Some([1.0, 1.0, 1.0, 1.0]),
|
||
..FontObject::default()
|
||
},
|
||
);
|
||
}
|
||
s.run(
|
||
r#"
|
||
f = CreateFrame("Frame", "ScopeHost")
|
||
f:SetWidth(200); f:SetHeight(60); f:SetPoint("CENTER")
|
||
one = f:CreateFontString(nil, "ARTWORK"); one:SetText("one"); one:SetFontObject(FontOne)
|
||
two = f:CreateFontString(nil, "ARTWORK"); two:SetText("two"); two:SetFontObject(FontTwo)
|
||
FontOne:SetFont("Fonts\\CHANGED.TTF", 30)
|
||
"#,
|
||
)
|
||
.unwrap();
|
||
s.resolve();
|
||
assert_eq!(painted(&s, "one").0, Some("Fonts\\CHANGED.TTF".into()));
|
||
assert_eq!(painted(&s, "two").0, Some("Fonts\\TWO.TTF".into()));
|
||
assert_eq!(painted(&s, "two").1, Some(12.0));
|
||
}
|
||
|
||
// ─────────────────────────────────────────────────────────────────────────────────────────────
|
||
// CreateFont
|
||
// ─────────────────────────────────────────────────────────────────────────────────────────────
|
||
|
||
/// **`_Nameplates.lua:149` + `:129` + `:212`, end to end** — mint a font object at runtime, set it
|
||
/// up, then paint a FontString with it. Plus `!OmniCC/main.lua:40-41`'s half: the name is published
|
||
/// as a global even when the return value is thrown away, and `SetFont`'s return is the font-file
|
||
/// validity probe OmniCC uses it as.
|
||
#[test]
|
||
fn create_font_mints_publishes_and_paints() {
|
||
let mut s = script();
|
||
s.set_screen_size(800.0, 600.0);
|
||
s.run(
|
||
r#"
|
||
Nameplate = { Font = CreateFont("_NameplatesNameplateFont") }
|
||
Nameplate.Font:SetFont("Fonts\\SKURRI.TTF", 10)
|
||
Nameplate.Font:SetTextColor(0, 0.5, 1)
|
||
|
||
f = CreateFrame("Frame", "PlateHost")
|
||
f:SetWidth(120); f:SetHeight(20); f:SetPoint("CENTER")
|
||
Name = f:CreateFontString(nil, "ARTWORK")
|
||
Name:SetText("plate")
|
||
Name:SetFontObject(Nameplate.Font)
|
||
"#,
|
||
)
|
||
.expect("_Nameplates' font setup must not raise");
|
||
s.resolve();
|
||
assert_eq!(
|
||
painted(&s, "plate"),
|
||
(
|
||
Some("Fonts\\SKURRI.TTF".into()),
|
||
Some(10.0),
|
||
Some([0.0, 0.5, 1.0, 1.0])
|
||
)
|
||
);
|
||
|
||
// The return value and the published global are the SAME object — OmniCC reads only the global.
|
||
assert!(s
|
||
.eval::<bool>("return _NameplatesNameplateFont == Nameplate.Font")
|
||
.unwrap());
|
||
assert_eq!(
|
||
s.eval::<String>("return _NameplatesNameplateFont:GetObjectType()")
|
||
.unwrap(),
|
||
"Font"
|
||
);
|
||
|
||
// `!OmniCC/main.lua:40-41` verbatim: create, discard the return, use the global, and branch on
|
||
// SetFont's return to detect a saved font path that is no longer usable.
|
||
let reverted = s
|
||
.eval::<bool>(
|
||
r#"
|
||
local reverted = false
|
||
if not OmniCCFont then
|
||
CreateFont("OmniCCFont")
|
||
if not OmniCCFont:SetFont("", 20) then
|
||
reverted = true
|
||
OmniCCFont:SetFont("Fonts\\FRIZQT__.TTF", 20)
|
||
end
|
||
end
|
||
return reverted
|
||
"#,
|
||
)
|
||
.unwrap();
|
||
assert!(reverted, "SetFont must report an unusable path as false");
|
||
assert_eq!(
|
||
s.eval::<(String, f32, String)>("return OmniCCFont:GetFont()")
|
||
.unwrap(),
|
||
("Fonts\\FRIZQT__.TTF".to_string(), 20.0, String::new())
|
||
);
|
||
|
||
// A name that already names a font object hands the existing one back UNCHANGED — the
|
||
// non-destructive reading (see `create_font`'s doc). The alternative would let
|
||
// `CreateFont("GameFontNormal")` blank the shipped registry entry the whole UI inherits.
|
||
s.run("again = CreateFont('_NameplatesNameplateFont')")
|
||
.unwrap();
|
||
assert!(s.eval::<bool>("return again == Nameplate.Font").unwrap());
|
||
assert_eq!(
|
||
s.eval::<(String, f32, String)>("return again:GetFont()")
|
||
.unwrap(),
|
||
("Fonts\\SKURRI.TTF".to_string(), 10.0, String::new())
|
||
);
|
||
|
||
// A nameless CreateFont is an error: the name IS the publication. The EMPTY name is not —
|
||
// the reference's `lua_isstring` gate takes it (unlike the XML path), so we do too.
|
||
assert!(s.run("CreateFont()").is_err());
|
||
s.run("CreateFont('')").unwrap();
|
||
}
|
||
|
||
/// **`FonzAppraiser/mods/gui/gui.lua:27-30`** — `CreateFont` then `CopyFontObject(<a shipped
|
||
/// object>)` then override the face. The corpus's only Font-on-Font call.
|
||
#[test]
|
||
fn fonz_appraiser_copies_a_shipped_object_then_overrides_the_face() {
|
||
let s = script();
|
||
s.register_font_object(
|
||
"GameFontHighlightSmall",
|
||
FontObject {
|
||
font: Some("Fonts\\FRIZQT__.TTF".into()),
|
||
height: Some(10.0),
|
||
color: Some([1.0, 1.0, 1.0, 1.0]),
|
||
outline: Outline::None,
|
||
justify_h: Some(JustifyH::Right),
|
||
justify_v: None,
|
||
shadow: None,
|
||
},
|
||
);
|
||
s.run(
|
||
r#"
|
||
small_number_font = CreateFont("FonzAppraiser_NumberFontNormalSmall")
|
||
small_number_font:CopyFontObject(GameFontHighlightSmall)
|
||
small_number_font:SetFont("Fonts\\ARIALN.TTF", 12)
|
||
"#,
|
||
)
|
||
.expect("FonzAppraiser's font setup must not raise");
|
||
// The copy brought the colour and justification over; the SetFont replaced the face and size.
|
||
assert_eq!(
|
||
s.eval::<(String, f32, String)>("return small_number_font:GetFont()")
|
||
.unwrap(),
|
||
("Fonts\\ARIALN.TTF".to_string(), 12.0, String::new())
|
||
);
|
||
assert_eq!(
|
||
s.eval::<(f32, f32, f32, f32)>("return small_number_font:GetTextColor()")
|
||
.unwrap(),
|
||
(1.0, 1.0, 1.0, 1.0)
|
||
);
|
||
assert_eq!(
|
||
s.eval::<String>("return small_number_font:GetJustifyH()")
|
||
.unwrap(),
|
||
"RIGHT"
|
||
);
|
||
// …and the object it copied FROM is untouched.
|
||
assert_eq!(
|
||
s.eval::<(String, f32, String)>("return GameFontHighlightSmall:GetFont()")
|
||
.unwrap(),
|
||
("Fonts\\FRIZQT__.TTF".to_string(), 10.0, String::new())
|
||
);
|
||
}
|
||
|
||
/// The `Spacing` pair is **deliberately absent** (we model no line spacing, and a stored-but-never
|
||
/// drawn setter is this codebase's recurring silent-drop bug). It must fail LOUDLY rather than
|
||
/// quietly accept a number nobody honours — this test is the tripwire on that choice, and it flips
|
||
/// the day spacing becomes real.
|
||
#[test]
|
||
fn the_unmodelled_spacing_pair_fails_loudly() {
|
||
let s = script();
|
||
s.register_font_object("SomeFont", FontObject::default());
|
||
assert!(s.run("SomeFont:SetSpacing(4)").is_err());
|
||
assert!(s.eval::<bool>("return SomeFont.SetSpacing == nil").unwrap());
|
||
}
|
||
|
||
/// A button's per-state label fonts take the object or the name too (the corpus splits 5 to 4
|
||
/// across the trio), and — because they are stored as NAMES and re-resolved at every extract — a
|
||
/// later mutation of that font object reaches the label with no further call.
|
||
#[test]
|
||
fn button_state_fonts_take_the_object_and_follow_its_mutation() {
|
||
let mut s = script();
|
||
s.set_screen_size(800.0, 600.0);
|
||
s.register_font_object(
|
||
"GameFontNormal",
|
||
FontObject {
|
||
font: Some("Fonts\\FRIZQT__.TTF".into()),
|
||
height: Some(12.0),
|
||
color: Some([1.0, 0.82, 0.0, 1.0]),
|
||
..FontObject::default()
|
||
},
|
||
);
|
||
s.run(
|
||
r#"
|
||
b = CreateFrame("Button", "StateFontButton")
|
||
b:SetWidth(80); b:SetHeight(22); b:SetPoint("CENTER")
|
||
b:SetText("go")
|
||
b:SetTextFontObject(GameFontNormal)
|
||
"#,
|
||
)
|
||
.expect("the object form must be accepted");
|
||
s.resolve();
|
||
assert_eq!(painted(&s, "go").1, Some(12.0));
|
||
|
||
s.run("GameFontNormal:SetFont('Fonts\\\\MORPHEUS.TTF', 22)")
|
||
.unwrap();
|
||
s.resolve();
|
||
assert_eq!(
|
||
painted(&s, "go"),
|
||
(
|
||
Some("Fonts\\MORPHEUS.TTF".into()),
|
||
Some(22.0),
|
||
Some([1.0, 0.82, 0.0, 1.0])
|
||
)
|
||
);
|
||
|
||
// The string form still works alongside it.
|
||
s.run("b:SetHighlightFontObject('GameFontNormal')").unwrap();
|
||
}
|
||
|
||
/// **A `CreateFont` object holds nothing, so pointing a FontString at it copies nothing.**
|
||
/// §5-verified: the reference gates every merge on the source's own has-a-value mask, and a fresh
|
||
/// font has `mask == 0` — the FontString keeps exactly what it had, no blanking and no fallback to
|
||
/// a default. Our first cut wrote face/height through unconditionally and would have wiped it.
|
||
#[test]
|
||
fn an_empty_font_object_copies_nothing_onto_a_fontstring() {
|
||
let mut s = script();
|
||
s.set_screen_size(800.0, 600.0);
|
||
s.register_font_object(
|
||
"DressedFont",
|
||
FontObject {
|
||
font: Some("Fonts\\FRIZQT__.TTF".into()),
|
||
height: Some(14.0),
|
||
color: Some([0.2, 0.4, 0.6, 1.0]),
|
||
..FontObject::default()
|
||
},
|
||
);
|
||
s.run(
|
||
r#"
|
||
f = CreateFrame("Frame", "EmptyFontHost")
|
||
f:SetWidth(120); f:SetHeight(20); f:SetPoint("CENTER")
|
||
fs = f:CreateFontString(nil, "ARTWORK")
|
||
fs:SetText("keep")
|
||
fs:SetFontObject(DressedFont)
|
||
blank = CreateFont("ABlankFont")
|
||
fs:SetFontObject(blank)
|
||
"#,
|
||
)
|
||
.unwrap();
|
||
s.resolve();
|
||
assert_eq!(
|
||
painted(&s, "keep"),
|
||
(
|
||
Some("Fonts\\FRIZQT__.TTF".into()),
|
||
Some(14.0),
|
||
Some([0.2, 0.4, 0.6, 1.0])
|
||
),
|
||
"an unset property must copy nothing, not blank the region"
|
||
);
|
||
// The link still moved, so once the blank font is dressed the string follows it.
|
||
assert_eq!(
|
||
s.eval::<String>("return fs:GetFontObject():GetName()")
|
||
.unwrap(),
|
||
"ABlankFont"
|
||
);
|
||
s.run("blank:SetFont('Fonts\\\\MORPHEUS.TTF', 22)").unwrap();
|
||
s.resolve();
|
||
assert_eq!(painted(&s, "keep").0, Some("Fonts\\MORPHEUS.TTF".into()));
|
||
}
|
||
|
||
/// `SetFont` returns **1 or nil**, not a boolean — the reference's exact return shape, and what
|
||
/// `!OmniCC/main.lua:41` branches on.
|
||
#[test]
|
||
fn set_font_returns_one_or_nil() {
|
||
let s = script();
|
||
s.run("f = CreateFont('ReturnShapeFont')").unwrap();
|
||
assert_eq!(
|
||
s.eval::<f32>("return f:SetFont('Fonts\\\\FRIZQT__.TTF', 12)")
|
||
.unwrap(),
|
||
1.0
|
||
);
|
||
assert!(s.eval::<bool>("return f:SetFont('', 12) == nil").unwrap());
|
||
}
|
||
|
||
/// The justify law is **one** table in the binary (`.rdata 0x811ad0`) and must be one
|
||
/// transcription here: a `FontString` and a `<Font>` object have to answer identically, token for
|
||
/// token and raise for raise.
|
||
///
|
||
/// They did not. Both sides were written separately from the same law and each drifted its own
|
||
/// way — the FontString had no `GetJustifyH`/`GetJustifyV` at all (real entries `0x79e5f0` /
|
||
/// `0x79e7f0`), the Font object silently `.trim()`ed its argument where `SStrCmpI` compares the
|
||
/// whole string, and both quietly answered CENTER for a string the reference raises on. Every
|
||
/// test on both sides passed throughout. This is the net that makes the next drift fail.
|
||
#[test]
|
||
fn both_tables_speak_one_justify_law() {
|
||
let s = script();
|
||
s.run(
|
||
"seam = CreateFrame('Frame', 'SeamFrame')\n\
|
||
fs = seam:CreateFontString()\n\
|
||
fo = CreateFont('SeamFont')",
|
||
)
|
||
.unwrap();
|
||
|
||
for obj in ["fs", "fo"] {
|
||
// The client's ctor default `0x212` = CENTER | MIDDLE | 0x200, read through each mask.
|
||
let h = s
|
||
.eval::<String>(&format!("return {obj}:GetJustifyH()"))
|
||
.unwrap();
|
||
let v = s
|
||
.eval::<String>(&format!("return {obj}:GetJustifyV()"))
|
||
.unwrap();
|
||
assert_eq!((obj, h.as_str()), (obj, "CENTER"));
|
||
assert_eq!((obj, v.as_str()), (obj, "MIDDLE"));
|
||
|
||
// Every token round trips, and the match is case-insensitive.
|
||
for (set, get, tokens) in [
|
||
("SetJustifyH", "GetJustifyH", ["LEFT", "CENTER", "RIGHT"]),
|
||
("SetJustifyV", "GetJustifyV", ["TOP", "MIDDLE", "BOTTOM"]),
|
||
] {
|
||
for t in tokens {
|
||
s.run(&format!("{obj}:{set}('{}')", t.to_lowercase()))
|
||
.unwrap();
|
||
let got = s.eval::<String>(&format!("return {obj}:{get}()")).unwrap();
|
||
assert_eq!(got, t, "{obj}:{set} then {get}");
|
||
}
|
||
}
|
||
|
||
// A non-token raises the reference's own usage string rather than coercing to CENTER.
|
||
for verb in ["SetJustifyH", "SetJustifyV"] {
|
||
let err = s
|
||
.run(&format!("{obj}:{verb}('MIDDLE_LEFT')"))
|
||
.expect_err("a string outside the six-entry table must raise");
|
||
let err = format!("{err}");
|
||
assert!(
|
||
err.contains("Usage:") && err.contains(verb),
|
||
"{obj}:{verb} raised {err:?}"
|
||
);
|
||
}
|
||
|
||
// Whole-string: a trailing space is a miss. The Font object used to trim it away.
|
||
assert!(
|
||
s.run(&format!("{obj}:SetJustifyH('LEFT ')")).is_err(),
|
||
"{obj}:SetJustifyH must not trim its argument"
|
||
);
|
||
|
||
// A cross-axis token matches the table, so it is accepted with no error — the one place
|
||
// we knowingly stop short of the law (the reference clears the axis; see `script::justify`).
|
||
s.run(&format!("{obj}:SetJustifyH('TOP')")).unwrap();
|
||
s.run(&format!("{obj}:SetJustifyV('LEFT')")).unwrap();
|
||
}
|
||
}
|
||
|
||
/// `SetFont` is one routine (`0x79f210`) with three entry points — Font `0x7a0270`, FontString
|
||
/// `0x79d4f0`, EditBox `0x797210` — so all three must answer identically, and none of them did.
|
||
///
|
||
/// The FontString's hand-written copy answered the boolean `true` for *everything*, including the
|
||
/// empty-path load failure that `!OmniCC/main.lua:41`'s `if not f:SetFont(saved, size)` probes;
|
||
/// the `<Font>` object's took `Option` arguments and so answered **nil** for `SetFont()` where the
|
||
/// reference raises `Usage: %s:SetFont("font", fontHeight [, flags])` (`0x87c69c`). A behavioural
|
||
/// differential across both tables is what surfaced it — arity alone had matched.
|
||
#[test]
|
||
fn set_font_is_one_routine_on_both_tables() {
|
||
let s = script();
|
||
s.run("seam = CreateFrame('Frame', 'SetFontSeamFrame')\nfs = seam:CreateFontString()\nfo = CreateFont('SetFontSeamFont')")
|
||
.unwrap();
|
||
|
||
for obj in ["fs", "fo"] {
|
||
// Success is the NUMBER 1 — never a boolean, and never zero values.
|
||
let n = s
|
||
.eval::<f32>(&format!(
|
||
"return {obj}:SetFont('Fonts\\\\FRIZQT__.TTF', 12)"
|
||
))
|
||
.unwrap();
|
||
assert_eq!(n, 1.0, "{obj}:SetFont success");
|
||
assert!(
|
||
s.eval::<bool>(&format!(
|
||
"return {obj}:SetFont('Fonts\\\\FRIZQT__.TTF', 12) == 1"
|
||
))
|
||
.unwrap(),
|
||
"{obj}:SetFont must answer the number 1, not true"
|
||
);
|
||
|
||
// An empty path is the LOAD FAILURE edge: nil, falsey, and nothing raised.
|
||
assert!(
|
||
s.eval::<bool>(&format!("return {obj}:SetFont('', 12) == nil"))
|
||
.unwrap(),
|
||
"{obj}:SetFont('') must answer nil"
|
||
);
|
||
|
||
// A missing or non-string path, or a missing height, is an ARGUMENT error — it raises,
|
||
// which is a different thing from the nil above and used to be conflated with it.
|
||
for bad in ["", "'Fonts\\\\FRIZQT__.TTF'", "nil, 12", "{}, 12"] {
|
||
let err = s
|
||
.run(&format!("{obj}:SetFont({bad})"))
|
||
.expect_err("a bad SetFont argument must raise, not answer nil");
|
||
assert!(
|
||
format!("{err}").contains("Usage:") && format!("{err}").contains("SetFont"),
|
||
"{obj}:SetFont({bad}) raised {err}"
|
||
);
|
||
}
|
||
|
||
// Both `lua_isstring` and `lua_isnumber` coerce, so a numeric string is accepted for either.
|
||
assert!(
|
||
s.eval::<bool>(&format!(
|
||
"return {obj}:SetFont('Fonts\\\\FRIZQT__.TTF', '14') == 1"
|
||
))
|
||
.unwrap(),
|
||
"{obj}:SetFont must accept a numeric string height"
|
||
);
|
||
}
|
||
}
|
||
|
||
/// A cross-axis token **erases** its axis, and the two readers then disagree — faithfully.
|
||
///
|
||
/// `SetJustifyH("TOP")` parses (`0x08`), contributes nothing to mask `0x07`, and raises nothing.
|
||
/// `GetJustifyH()` afterwards answers the literal `"UNKNOWN"` (`0x6f1a00` → `.data 0x838044`),
|
||
/// while the glyphs keep drawing **centred**: the ui→gx translator `0x44d420` is a priority ladder
|
||
/// whose per-axis register is pre-set to `1` between the `test` and the `jcc`, so an all-clear axis
|
||
/// exits with CENTER still in it. Reading the getter's answer into the draw path — or mapping the
|
||
/// bitmask onto the gx enum with a `0` default — inverts the axis to LEFT.
|
||
///
|
||
/// Reached by 13 corpus sites (`FonzAppraiser` ×12, `Roid-Macros`) writing
|
||
/// `SetJustifyV("CENTER")` when they mean MIDDLE.
|
||
#[test]
|
||
fn a_cross_axis_token_erases_the_axis_but_still_draws_centred() {
|
||
let mut s = script();
|
||
s.run(
|
||
"f = CreateFrame('Frame', 'ClearAxisFrame')\n\
|
||
f:SetWidth(200) f:SetHeight(40) f:SetPoint('CENTER')\n\
|
||
fs = f:CreateFontString()\n\
|
||
fs:SetAllPoints(f)\n\
|
||
fs:SetText('erased')",
|
||
)
|
||
.unwrap();
|
||
|
||
// A real token lands, so the erase below is visibly an erase and not a no-op.
|
||
s.run("fs:SetJustifyH('LEFT') fs:SetJustifyV('TOP')")
|
||
.unwrap();
|
||
assert_eq!(s.eval::<String>("return fs:GetJustifyH()").unwrap(), "LEFT");
|
||
assert_eq!(s.eval::<String>("return fs:GetJustifyV()").unwrap(), "TOP");
|
||
|
||
// The cross-axis pair: each erases the OTHER axis it was aimed at, raising nothing.
|
||
s.run("fs:SetJustifyH('TOP')").unwrap();
|
||
s.run("fs:SetJustifyV('CENTER')").unwrap();
|
||
assert_eq!(
|
||
s.eval::<String>("return fs:GetJustifyH()").unwrap(),
|
||
"UNKNOWN",
|
||
"a cleared axis reads UNKNOWN, not the value it used to hold"
|
||
);
|
||
assert_eq!(
|
||
s.eval::<String>("return fs:GetJustifyV()").unwrap(),
|
||
"UNKNOWN"
|
||
);
|
||
|
||
// ...and the draw path answers CENTER/MIDDLE for that same state.
|
||
s.resolve();
|
||
let (h, v) = s
|
||
.extract()
|
||
.into_iter()
|
||
.find_map(|q| match q.content {
|
||
QuadContent::Text {
|
||
text: Some(ref t),
|
||
justify_h,
|
||
justify_v,
|
||
..
|
||
} if t == "erased" => Some((justify_h, justify_v)),
|
||
_ => None,
|
||
})
|
||
.expect("the erased string draws");
|
||
assert_eq!(
|
||
(h, v),
|
||
(JustifyH::Center, JustifyV::Middle),
|
||
"a cleared axis draws CENTER/MIDDLE — the gx translator's pre-set 1, NOT LEFT/TOP"
|
||
);
|
||
}
|
||
|
||
/// The font block is a **per-table membership fact**, and wow-re's registrar carve names the six:
|
||
/// *"Exposed on: FontString, Font object, EditBox, MessageFrame, ScrollingMessageFrame,
|
||
/// SimpleHTML. NOT on Button."* We shipped it on two; these are the third and fourth.
|
||
///
|
||
/// `BigWigs/Plugins/Messages.lua:212` — `self.msgframe:SetFontObject(GameFontNormalLarge)` on a
|
||
/// frame it has just given `SetInsertMode("TOP")` — died there every session.
|
||
///
|
||
/// The second assertion is the trap: a message frame's lines fall back to **LEFT** when it has no
|
||
/// declared `<FontString>`, while a freshly created `RegionData` defaults to the FontString's own
|
||
/// CENTER. Creating the style region on demand must not silently re-justify the frame.
|
||
#[test]
|
||
fn the_font_block_reaches_both_message_frame_tables() {
|
||
let mut s = script();
|
||
s.run(
|
||
"fo = CreateFont('MsgBlockFont')\n\
|
||
fo:SetFont('Fonts\\\\FRIZQT__.TTF', 14)\n\
|
||
mf = CreateFrame('MessageFrame', 'MsgBlockPlain')\n\
|
||
mf:SetWidth(300) mf:SetHeight(80) mf:SetPoint('CENTER')\n\
|
||
smf = CreateFrame('ScrollingMessageFrame', 'MsgBlockScroll')\n\
|
||
smf:SetWidth(300) smf:SetHeight(80) smf:SetPoint('TOPLEFT')",
|
||
)
|
||
.unwrap();
|
||
|
||
for obj in ["mf", "smf"] {
|
||
s.run(&format!("{obj}:SetFontObject(fo)")).unwrap();
|
||
assert_eq!(
|
||
s.eval::<String>(&format!("return {obj}:GetFontObject():GetName()"))
|
||
.unwrap(),
|
||
"MsgBlockFont",
|
||
"{obj}:GetFontObject must answer the OBJECT it was given"
|
||
);
|
||
// The shared `0x79f210` contract, same as every other table that carries it.
|
||
assert!(
|
||
s.eval::<bool>(&format!(
|
||
"return {obj}:SetFont('Fonts\\\\MORPHEUS.TTF', 16) == 1"
|
||
))
|
||
.unwrap(),
|
||
"{obj}:SetFont answers the number 1"
|
||
);
|
||
let (_, height, _) = s
|
||
.eval::<(mlua::Value, f32, String)>(&format!("return {obj}:GetFont()"))
|
||
.unwrap();
|
||
assert_eq!(height, 16.0, "{obj}:GetFont reads back what SetFont wrote");
|
||
// The four-value getters the carve pins at 4 for every one of the six tables.
|
||
assert_eq!(
|
||
s.eval::<i64>(&format!("return select('#', {obj}:GetShadowColor())"))
|
||
.unwrap(),
|
||
4
|
||
);
|
||
}
|
||
|
||
// Styling the frame must not move its text: the lines still run flush LEFT.
|
||
s.run("mf:AddMessage('flush left please')").unwrap();
|
||
s.resolve();
|
||
let j = s
|
||
.extract()
|
||
.into_iter()
|
||
.find_map(|q| match q.content {
|
||
QuadContent::Text {
|
||
text: Some(ref t),
|
||
justify_h,
|
||
..
|
||
} if t == "flush left please" => Some(justify_h),
|
||
_ => None,
|
||
})
|
||
.expect("the message draws");
|
||
assert_eq!(
|
||
j,
|
||
JustifyH::Left,
|
||
"creating the style region must not re-justify the frame to the FontString default"
|
||
);
|
||
}
|
||
|
||
/// `CreateFontString`'s **third argument** applies a font object — the argument we accepted and
|
||
/// then dropped on the floor (decision 1255).
|
||
///
|
||
/// 49 corpus call sites across 5 distinct addons pass one, and every one names a font object:
|
||
/// AckisRecipeList (28), CustomNameplates (10), _LazyPig (6), LibAboutPanel (4), ColorPickerPlus.
|
||
/// Five separate addons, so this is not one library file replicated. Ignoring it was 1203's class —
|
||
/// the addon asks for a font, the call succeeds, and the text comes out in the default with no
|
||
/// failure anywhere to point at.
|
||
///
|
||
/// The **order** is the part a reimplementation loses: the font-object registry is tried FIRST and
|
||
/// the template registry only on a font miss (`0x773d39` then `0x773d47`). A template-first
|
||
/// resolver would miss all 49 of these, because `inherits=` is one argument over two namespaces.
|
||
#[test]
|
||
fn create_font_string_applies_the_font_object_named_by_its_third_argument() {
|
||
let s = script();
|
||
load(
|
||
&s,
|
||
r#"<Ui>
|
||
<Font name="GameFontNormalSmall" font="Fonts\FRIZQT__.TTF">
|
||
<FontHeight><AbsValue val="12"/></FontHeight>
|
||
<Color r="1" g="0.82" b="0"/>
|
||
</Font>
|
||
<Frame name="Host"/>
|
||
</Ui>"#,
|
||
);
|
||
|
||
// Exactly `_LazyPig/LazyPigMenu.lua:88`'s line.
|
||
s.run(r#"FS = Host:CreateFontString(nil, "ARTWORK", "GameFontNormalSmall")"#)
|
||
.expect("the font-object form must be accepted");
|
||
let (face, height, _flags) = s
|
||
.eval::<(String, f32, String)>("return FS:GetFont()")
|
||
.expect("the region must carry the font object's face and height");
|
||
assert_eq!(face, "Fonts\\FRIZQT__.TTF");
|
||
assert_eq!(height, 12.0);
|
||
|
||
// A name in NEITHER registry raises — the same contract 1253 set for CreateFrame, and the same
|
||
// bytes (`luaL_error`, which never returns).
|
||
let err = s
|
||
.run(r#"Bad = Host:CreateFontString(nil, "ARTWORK", "NoSuchFontOrTemplate")"#)
|
||
.expect_err("a name in neither registry must raise");
|
||
assert!(
|
||
err.to_string().contains("NoSuchFontOrTemplate"),
|
||
"the raise must name what was looked up: {err}"
|
||
);
|
||
|
||
// Texture takes the same argument through the same resolver (1 real corpus site).
|
||
s.run(r#"TX = Host:CreateTexture(nil, "OVERLAY")"#)
|
||
.expect("the two-argument form still works");
|
||
}
|