diff options
Diffstat (limited to 'js/src/tests/ecma_6/Array/from_primitive.js')
-rw-r--r-- | js/src/tests/ecma_6/Array/from_primitive.js | 21 |
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); |