0hmX/am3352

This code suite comprises TypeScript scripts that analyze, verify, and assemble complex DDR memory interface hardware, focusing on physical routing, via and pad placement, electrical clearance, and physical constraints, often involving precise geometric calculations and consistent provenance tracking.

Version
1.0.5
License
unset
Stars
0

tests/ddr-endpoint-anchors.test.ts

import {expect,test} from 'bun:test'
import {anchorDdrHostEndpoints} from '../scripts/anchor-ddr-host-endpoints'
const connection=[{name:'data',pointsToConnect:[{pointId:'ram'},{pointId:'cpu'}]}]
const original=[{type:'pcb_breakout_point',pcb_breakout_point_id:'ram',x:-6,y:-7.984946,layer:'inner2'},{type:'pcb_breakout_point',pcb_breakout_point_id:'cpu',x:2.69,y:-2.8,layer:'inner6'}]
const trace={connection_name:'data',route:[{route_type:'wire',x:2.69,y:-2.8,layer:'inner6'},{route_type:'wire',x:-6,y:-7.985,layer:'inner2'}]}
test('rounded solver endpoint anchors to original terminal on physical layer without mutating input',()=>{
 const result=anchorDdrHostEndpoints(trace,connection,original)
 expect(result.trace.route[1].y).toBe(-7.984946)
 expect(trace.route[1].y).toBe(-7.985)
 expect(result.corrections).toHaveLength(1)
})
test('foreign coincident ports and internal vertices cannot become route terminals',()=>{
 const foreign=[...original,{type:'pcb_breakout_point',pcb_breakout_point_id:'foreign',x:-6,y:-7.985,layer:'inner2'}]
 expect(anchorDdrHostEndpoints(trace,connection,foreign).trace.route[1].y).toBe(-7.984946)
 const internal=structuredClone(trace);internal.route[1].x=0
 expect(anchorDdrHostEndpoints(internal,connection,foreign).corrections).toHaveLength(0)
})
test('missing authoritative ports fail closed',()=>{
 expect(()=>anchorDdrHostEndpoints(trace,connection,[])).toThrow('Missing original terminal')
})