Validate queueableFns

lib/jasmine-core/jasmine.js

@@ -8291,6 +8291,17 @@ getJasmineRequireObj().QueueRunner = function(j$) {
   function QueueRunner(attrs) {
     this.id_ = nextid++;
     this.queueableFns = attrs.queueableFns || [];
+
+    for (const f of this.queueableFns) {
+      if (!f) {
+        throw new Error('Received a falsy queueableFn');
+      }
+
+      if (!f.fn) {
+        throw new Error('Received a queueableFn with no fn');
+      }
+    }
+
     this.onComplete = attrs.onComplete || emptyFn;
     this.clearStack =
       attrs.clearStack ||

spec/core/QueueRunnerSpec.js

@@ -1,4 +1,20 @@
 describe('QueueRunner', function() {
+  it('validates that queueableFns are truthy', function() {
+    expect(function() {
+      new jasmineUnderTest.QueueRunner({
+        queueableFns: [undefined]
+      });
+    }).toThrowError('Received a falsy queueableFn');
+  });
+
+  it('validates that queueableFns have fn properties', function() {
+    expect(function() {
+      new jasmineUnderTest.QueueRunner({
+        queueableFns: [{ fn: undefined }]
+      });
+    }).toThrowError('Received a queueableFn with no fn');
+  });
+
   it("runs all the functions it's passed", function() {
     const calls = [],
       queueableFn1 = { fn: jasmine.createSpy('fn1') },

src/core/QueueRunner.js

@@ -37,6 +37,17 @@ getJasmineRequireObj().QueueRunner = function(j$) {
   function QueueRunner(attrs) {
     this.id_ = nextid++;
     this.queueableFns = attrs.queueableFns || [];
+
+    for (const f of this.queueableFns) {
+      if (!f) {
+        throw new Error('Received a falsy queueableFn');
+      }
+
+      if (!f.fn) {
+        throw new Error('Received a queueableFn with no fn');
+      }
+    }
+
     this.onComplete = attrs.onComplete || emptyFn;
     this.clearStack =
       attrs.clearStack ||