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Diffstat (limited to 'js/src/tests/test262/built-ins/Array/from/iter-map-fn-err.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Array/from/iter-map-fn-err.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/from/iter-map-fn-err.js b/js/src/tests/test262/built-ins/Array/from/iter-map-fn-err.js new file mode 100644 index 0000000000..beeca8e4eb --- /dev/null +++ b/js/src/tests/test262/built-ins/Array/from/iter-map-fn-err.js @@ -0,0 +1,43 @@ +// 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-array.from +description: Error invoking map function (traversed via iterator) +info: | + [...] + 6. If usingIterator is not undefined, then + [...] + g. Repeat + [...] + vii. If mapping is true, then + 1. Let mappedValue be Call(mapfn, T, «nextValue, k»). + 2. If mappedValue is an abrupt completion, return + IteratorClose(iterator, mappedValue). +features: [Symbol.iterator] +---*/ + +var closeCount = 0; +var mapFn = function() { + throw new Test262Error(); +}; +var items = {}; +items[Symbol.iterator] = function() { + return { + return: function() { + closeCount += 1; + }, + next: function() { + return { + done: false + }; + } + }; +}; + +assert.throws(Test262Error, function() { + Array.from(items, mapFn); +}, 'Array.from(items, mapFn) throws a Test262Error exception'); + +assert.sameValue(closeCount, 1, 'The value of closeCount is expected to be 1'); + +reportCompare(0, 0); |