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-rw-r--r--js/src/tests/ecma_6/Array/from_primitive.js21
1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Array/from_primitive.js b/js/src/tests/ecma_6/Array/from_primitive.js
new file mode 100644
index 000000000..e3f68d8bc
--- /dev/null
+++ b/js/src/tests/ecma_6/Array/from_primitive.js
@@ -0,0 +1,21 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/ */
+
+for (let primitive of [true, 3.14, "hello", Symbol()]) {
+ let prototype = Object.getPrototypeOf(primitive);
+
+ Object.defineProperty(prototype, Symbol.iterator, {
+ configurable: true,
+ get() {
+ "use strict";
+ assertEq(this, primitive);
+ return () => [this][Symbol.iterator]();
+ },
+ });
+ assertEq(Array.from(primitive)[0], primitive);
+
+ delete prototype[Symbol.iterator];
+}
+
+if (typeof reportCompare === 'function')
+ reportCompare(0, 0);