DOM: tests for AbortSignal's reason

See whatwg/dom#1027 for context.
Gabisampaio · Nov 18, 2021 · 56883c3 · 56883c3
1 parent 9a73085
commit 56883c3
Showing 1 changed file with 62 additions and 0 deletions.
diff --git a/dom/abort/event.any.js b/dom/abort/event.any.js
@@ -4,6 +4,8 @@ test(t => {
   let state = "begin";
 
   assert_false(s.aborted);
+  assert_true("reason" in s, "signal has reason property");
+  assert_equals(s.reason, undefined, "signal.reason is initially undefined");
 
   s.addEventListener("abort",
     t.step_func(e => {
@@ -15,6 +17,8 @@ test(t => {
 
   assert_equals(state, "aborted");
   assert_true(s.aborted);
+  assert_true(s.reason instanceof DOMException, "signal.reason is DOMException");
+  assert_equals(s.reason.name, "AbortError", "signal.reason is AbortError");
 
   c.abort();
 }, "AbortController abort() should fire event synchronously");
@@ -64,4 +68,62 @@ test(t => {
   controller.abort();
 }, "the abort event should have the right properties");
 
+test(t => {
+  const controller = new AbortController();
+  const signal = controller.signal;
+
+  assert_true("reason" in signal, "signal has reason property");
+  assert_equals(signal.reason, undefined, "signal.reason is initially undefined");
+
+  const reason = Error("hello");
+  controller.abort(reason);
+
+  assert_true(signal.aborted, "signal.aborted");
+  assert_equals(signal.reason, reason, "signal.reason");
+}, "AbortController abort(reason) should set signal.reason");
+
+test(t => {
+  const controller = new AbortController();
+  const signal = controller.signal;
+
+  assert_true("reason" in signal, "signal has reason property");
+  assert_equals(signal.reason, undefined, "signal.reason is initially undefined");
+
+  controller.abort();
+
+  assert_true(signal.aborted, "signal.aborted");
+  assert_true(signal.reason instanceof DOMException, "signal.reason is DOMException");
+  assert_equals(signal.reason.name, "AbortError", "signal.reason is AbortError");
+}, "aborting AbortController without reason creates an \"AbortError\" DOMException");
+
+test(t => {
+  const controller = new AbortController();
+  const signal = controller.signal;
+
+  assert_true("reason" in signal, "signal has reason property");
+  assert_equals(signal.reason, undefined, "signal.reason is initially undefined");
+
+  controller.abort(undefined);
+
+  assert_true(signal.aborted, "signal.aborted");
+  assert_true(signal.reason instanceof DOMException, "signal.reason is DOMException");
+  assert_equals(signal.reason.name, "AbortError", "signal.reason is AbortError");
+}, "AbortController abort(undefined) creates an \"AbortError\" DOMException");
+
+test(t => {
+  const signal = AbortSignal.abort();
+
+  assert_true(signal.aborted, "signal.aborted");
+  assert_true(signal.reason instanceof DOMException, "signal.reason is DOMException");
+  assert_equals(signal.reason.name, "AbortError", "signal.reason is AbortError");
+}, "static aborting signal should have right properties");
+
+test(t => {
+  const reason = Error("hello");
+  const signal = AbortSignal.abort(reason);
+
+  assert_true(signal.aborted, "signal.aborted");
+  assert_equals(signal.reason, reason, "signal.reason");
+}, "static aborting signal with reason should set signal.reason");
+
 done();