add verification test for emberjs/ember.js#19162

tests/integration/modifiers/did-update-test.js

@@ -10,13 +10,14 @@ module('Integration | Modifier | did-update', function(hooks) {
 
   if (gte('3.22.0')) {
     module('capabilities(3.22)', function() {
-      class Context {
-        @tracked boundValue = 'initial';
-      }
-
       test('it basically works', async function(assert) {
         assert.expect(5);
 
+        class Context {
+          @tracked boundValue = 'initial';
+        }
+
+
         this.setProperties({
           ctx: new Context() ,
           someMethod(element, positional, named) {
@@ -43,6 +44,66 @@ module('Integration | Modifier | did-update', function(hooks) {
 
         await settled();
       });
+
+      test(
+        'emberjs/ember.js#19162 is resolved (destruction does not cause logical errors)',
+        async function(assert) {
+          // This test verifies https://github.com/emberjs/ember.js/issues/19162
+          // is fixed
+          //
+          let callCount = 0;
+
+          class Data {
+            @tracked someBool;
+            @tracked nestedData;
+
+            constructor(someBool, nestedData) {
+              this.someBool = someBool;
+              this.nestedData = nestedData;
+            }
+          }
+
+          this.setProperties({
+            data: new Data(true, new Data(true)),
+            someMethod(_element, positional, named) {
+              callCount++;
+
+              assert.equal(
+                positional[0].someBool,
+                true,
+                'value is always true, because the modifier is wrapped in an if condition'
+              );
+              assert.equal(
+                named.bool,
+                true,
+                'value is always true, because the modifier is wrapped in an if condition'
+              );
+            }
+          });
+
+          await render(
+            hbs`
+              {{#if this.data.someBool}}
+                <div data-foo="some-thing" {{did-update this.someMethod this.data bool=this.data.someBool}}>
+                </div>
+              {{/if}}
+            `
+          );
+
+          assert.equal(callCount, 0);
+
+          this.data.someBool = true;
+
+          await settled();
+
+          assert.equal(callCount, 1);
+
+          this.data.someBool = false;
+
+          await settled();
+
+          assert.equal(callCount, 1, `modifier's callback is not re-invoked`);
+      });
     });
   } else {
     module('capabilities(3.13)', function() {