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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/streams/test/xpcshell/bug-1387503-2.js
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/streams/test/xpcshell/bug-1387503-2.js')
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1 files changed, 52 insertions, 0 deletions
diff --git a/dom/streams/test/xpcshell/bug-1387503-2.js b/dom/streams/test/xpcshell/bug-1387503-2.js
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+++ b/dom/streams/test/xpcshell/bug-1387503-2.js
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+// Test uncatchable error when a stream's queuing strategy's size() method is called.
+/* global newGlobal */
+
+let fnFinished = false;
+let g;
+add_task(async function test() {
+ // Make `debugger;` raise an uncatchable exception.
+ g = newGlobal();
+ g.parent = this;
+ g.hit = false;
+ g.info = info;
+ g.eval(`
+ var dbg = new Debugger(parent);
+ dbg.onDebuggerStatement = (_frame, exc) => {hit = true; info("hit"); return null};
+`);
+
+ async function fn() {
+ // Await once to postpone the uncatchable error until we're running inside
+ // a reaction job. We don't want the rest of the test to be terminated.
+ // (`drainJobQueue` catches uncatchable errors!)
+ await 1;
+
+ try {
+ // Create a stream with a strategy whose .size() method raises an
+ // uncatchable exception, and have it call that method.
+ new ReadableStream(
+ {
+ start(controller) {
+ controller.enqueue("FIRST POST"); // this calls .size()
+ },
+ },
+ {
+ size() {
+ // eslint-disable-next-line no-debugger
+ debugger;
+ },
+ }
+ );
+ } finally {
+ fnFinished = true;
+ }
+ }
+
+ fn()
+ .then(() => info("Resolved"))
+ .catch(() => info("Rejected"));
+});
+
+add_task(() => {
+ equal(g.hit, true, "We hit G");
+ equal(fnFinished, false, "We didn't hit the finally block");
+});