Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 44 insertions, 0 deletions

diff --git a/js/src/tests/non262/Iterator/prototype/toArray/proxy.js b/js/src/tests/non262/Iterator/prototype/toArray/proxy.js
new file mode 100644
index 0000000000..83024eeb8a
--- /dev/null
+++ b/js/src/tests/non262/Iterator/prototype/toArray/proxy.js
@@ -0,0 +1,44 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+//
+// This test checks that %Iterator.prototype%.toArray only gets the `next` method off of the
+// iterator once, and never accesses the @@iterator property.
+const log = [];
+const handlerProxy = new Proxy({}, {
+  get: (target, key, receiver) => (...args) => {
+    log.push(`${key}: ${args[1]?.toString()}`);
+    return Reflect[key](...args);
+  },
+});
+
+class Counter extends Iterator {
+  value = 0;
+  next() {
+    const value = this.value;
+    if (value < 2) {
+      this.value = value + 1;
+      return {done: false, value};
+    }
+    return {done: true};
+  }
+}
+
+const iter = new Proxy(new Counter(), handlerProxy);
+const array = iter.toArray();
+
+assertEq(
+  log.join('\n'),
+  `get: toArray
+get: next
+get: value
+set: value
+getOwnPropertyDescriptor: value
+defineProperty: value
+get: value
+set: value
+getOwnPropertyDescriptor: value
+defineProperty: value
+get: value`
+);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);