diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/generators/delegating-yield-10.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/generators/delegating-yield-10.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/non262/generators/delegating-yield-10.js b/js/src/tests/non262/generators/delegating-yield-10.js new file mode 100644 index 0000000000..1f317023e4 --- /dev/null +++ b/js/src/tests/non262/generators/delegating-yield-10.js @@ -0,0 +1,49 @@ +// Errors accessing next, done, or value don't cause an exception to be +// thrown into the iterator of a yield*. + +function* g(n) { for (var i=0; i<n; i++) yield i; } +function* delegate(iter) { return yield* iter; } + +var log = "", inner, outer; + +// That var is poisoooooon, p-poison poison... +var Poison = new Error; + +function log_calls(method) { + return function () { + log += "x" + return method.call(this); + } +} + +function poison(receiver, prop) { + Object.defineProperty(receiver, prop, { get: function () { throw Poison } }); +} + +// Poison inner.next. +inner = g(10); +outer = delegate(inner); +inner.throw = log_calls(inner.throw); +poison(inner, 'next') +assertThrowsValue(outer.next.bind(outer), Poison); +assertEq(log, ""); + +// Poison result value from inner. +inner = g(10); +outer = delegate(inner); +inner.next = function () { return { done: true, get value() { throw Poison} } }; +inner.throw = log_calls(inner.throw); +assertThrowsValue(outer.next.bind(outer), Poison); +assertEq(log, ""); + +// Poison result done from inner. +inner = g(10); +outer = delegate(inner); +inner.next = function () { return { get done() { throw Poison }, value: 42 } }; +inner.throw = log_calls(inner.throw); +assertThrowsValue(outer.next.bind(outer), Poison); +assertEq(log, ""); + +// mischief managed. +if (typeof reportCompare == "function") + reportCompare(true, true); |