updates

test/edge/missing-child.edge.test.js

@@ -4,7 +4,7 @@ const assert = require('node:assert/strict');
 const NodeClass = require('../../src/nodeClass');
 const { makeNodeStub, makeREDStub } = require('../helpers/factories');
 
-test('registerChild with unknown node id currently throws (known robustness gap)', () => {
+test('registerChild with unknown node id is ignored without throwing', () => {
   const inst = Object.create(NodeClass.prototype);
   const node = makeNodeStub();
 
@@ -18,7 +18,7 @@ test('registerChild with unknown node id currently throws (known robustness gap)
 
   inst._attachInputHandler();
 
-  assert.throws(() => {
+  assert.doesNotThrow(() => {
     node._handlers.input(
       { topic: 'registerChild', payload: 'missing-child', positionVsParent: 'upstream' },
       () => {},

test/edge/pfr-measurement-grid.edge.test.js

@@ -4,12 +4,13 @@ const assert = require('node:assert/strict');
 const { Reactor_PFR } = require('../../src/specificClass');
 const { makeReactorConfig } = require('../helpers/factories');
 
-test('oxygen measurement at exact reactor length overflows PFR grid index (known bounds gap)', () => {
+test('oxygen measurement at exact reactor length is clamped to the last PFR grid index', () => {
   const reactor = new Reactor_PFR(
     makeReactorConfig({ reactor_type: 'PFR', length: 10, resolution_L: 5, n_inlets: 1 }),
   );
 
-  assert.throws(() => {
+  assert.doesNotThrow(() => {
     reactor._updateMeasurement('quantity (oxygen)', 2.5, 10, {});
   });
+  assert.equal(reactor.state[reactor.n_x - 1][0], 2.5);
 });