import {test} from 'node:test';import assert from 'node:assert/strict';import {createPaintIndex} from '../../src/lib/canvas-bindings/paint-index.ts'; const region=(id,x,y,width=10,height=10)=>({id,bounds:{x,y,width,height}}); test('paint grid updates moves/deletes, includes boundary and oversized entries without changing model geometry',()=>{const index=createPaintIndex(10,4),a=region('a',-10,-10),huge=region('huge',-1000,-1000,2000,2000);index.sync([a,huge]);assert.deepEqual([...index.query({x:0,y:0,width:0,height:0})].sort(),['a','huge']);index.sync([region('a',100,100),huge]);assert.deepEqual([...index.query({x:0,y:0,width:1,height:1})],['huge']);index.sync([region('a',100,100)]);assert.equal(index.query({x:0,y:0,width:1,height:1}).size,0);assert.equal(index.query({x:-1e9,y:-1e9,width:2e9,height:2e9}).size,1);assert.equal(a.bounds.x,-10);index.clear();assert.equal(index.query(a.bounds).size,0);}); test('invalid replacement is rejected before any grid changes',()=>{const index=createPaintIndex();index.sync([region('safe',0,0)]);assert.throws(()=>index.sync([region('safe',50,50),region('bad',NaN,0)]));assert.equal(index.query({x:0,y:0,width:1,height:1}).has('safe'),true);assert.throws(()=>index.sync([region('a',0,0),region('a',1,1)]));assert.throws(()=>index.query({x:Infinity,y:0,width:1,height:1}));}); import {projectedPaintOverflow} from '../../src/lib/canvas-bindings/projected-paint.ts'; import {createRegistry,createDocument,builtinComponents} from '../../src/lib/canvas-core/index.ts'; import {projectCanvas} from '../../src/lib/canvas-bindings/projection.ts'; test('projected paint uses paint role independently of logical bounds and conservatively retains failed handlers',()=>{const text=builtinComponents().find(c=>c.id==='text'),roles=[],geometry={...text.geometry,bounds(context){roles.push(context.role);if(context.element.data.title==='broken')throw Error('broken');return context.role==='paint'?{x:-100,y:-50,width:400,height:200}:{x:0,y:0,width:100,height:100};}},registry=createRegistry(builtinComponents().map(c=>c.id==='text'?{...c,geometry}:c)),node=(id,title)=>({id,incarnation:1,ownerCanvasId:'p',componentId:'text',dataVersion:1,structure:'node',geometry:{x:0,y:0,width:100,height:100,rotation:0},data:{title,text:''}}),document=createDocument('p',[{id:'p',parent:null}],[node('a','okay'),node('b','broken')]),projection=projectCanvas(document,'p',registry,new Set(),()=>undefined),result=projectedPaintOverflow(projection,registry);assert.ok(roles.includes('paint'));assert.deepEqual(result.regions,[{id:'a',bounds:{x:-100,y:-50,width:400,height:200}}]);assert.deepEqual(result.unknown,['b']);assert.equal(document.elements.get('a').geometry.width,100);}); import {createProjectedPaintIndex} from '../../src/lib/canvas-bindings/projected-paint.ts'; test('view paint cache reuses unchanged records, invalidates transform/identity and drops removed rows',()=>{const registry=createRegistry(builtinComponents()),node={id:'a',incarnation:1,ownerCanvasId:'p',componentId:'text',dataVersion:1,structure:'node',geometry:{x:0,y:0,width:100,height:100,rotation:45},data:{title:'a',text:''}},document=createDocument('p',[{id:'p',parent:null}],[node]),projection=projectCanvas(document,'p',registry,new Set(),()=>undefined),cache=createProjectedPaintIndex();cache.sync(projection,registry);assert.equal(cache.stats().computed,1);cache.sync({...projection},registry);assert.equal(cache.stats().computed,1);const transforms=new Map(projection.transforms),t=transforms.get('p');transforms.set('p',{...t,x:t.x+100});cache.sync({...projection,transforms},registry);assert.equal(cache.stats().computed,2);cache.sync(projection,registry);assert.equal(cache.stats().computed,3);const cleared=cache.sync({...projection,nodes:[]},registry);assert.equal(cache.stats().entries,0);assert.equal(cleared.query({x:-100,y:-100,width:500,height:500}).size,0);cache.clear();});