1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/non262/Iterator/prototype/filter/coerce-result-to-boolean.js b/js/src/tests/non262/Iterator/prototype/filter/coerce-result-to-boolean.js
new file mode 100644
index 0000000000..a3d16bcdfa
--- /dev/null
+++ b/js/src/tests/non262/Iterator/prototype/filter/coerce-result-to-boolean.js
@@ -0,0 +1,16 @@
+// |reftest| skip-if(!this.hasOwnProperty('Iterator')) -- Iterator is not enabled unconditionally
+
+// All truthy values are kept.
+const truthyValues = [true, 1, [], {}, 'test'];
+for (const value of [...truthyValues].values().filter(x => x)) {
+  assertEq(truthyValues.shift(), value);
+}
+
+// All falsy values are filtered out.
+const falsyValues = [false, 0, '', null, undefined, NaN, -0, 0n, createIsHTMLDDA()];
+const result = falsyValues.values().filter(x => x).next();
+assertEq(result.done, true);
+assertEq(result.value, undefined);
+
+if (typeof reportCompare === 'function')
+  reportCompare(0, 0);