diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js b/js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js new file mode 100644 index 0000000000..26461bb7f9 --- /dev/null +++ b/js/src/tests/test262/built-ins/Map/map-iterable-empty-does-not-call-set.js @@ -0,0 +1,33 @@ +// Copyright (C) 2015 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-map-iterable +description: > + A Map constructed with an empty iterable argument does not call set. +info: | + Map ( [ iterable ] ) + + When the Map function is called with optional argument the following steps are + taken: + + ... + 8. If iter is undefined, return map. + 9. Repeat + a. Let next be IteratorStep(iter). + b. ReturnIfAbrupt(next). + c. If next is false, return map. +---*/ + +var set = Map.prototype.set; +var counter = 0; + +Map.prototype.set = function(value) { + counter++; + set.call(this, value); +}; + +new Map([]); + +assert.sameValue(counter, 0, '`Map.prototype.set` was not called.'); + +reportCompare(0, 0); |