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Diffstat (limited to 'js/src/tests/test262/built-ins/Number/shell.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Number/shell.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Number/shell.js b/js/src/tests/test262/built-ins/Number/shell.js new file mode 100644 index 0000000000..eda1477282 --- /dev/null +++ b/js/src/tests/test262/built-ins/Number/shell.js @@ -0,0 +1,24 @@ +// GENERATED, DO NOT EDIT +// file: isConstructor.js +// Copyright (C) 2017 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: | + Test if a given function is a constructor function. +defines: [isConstructor] +features: [Reflect.construct] +---*/ + +function isConstructor(f) { + if (typeof f !== "function") { + throw new Test262Error("isConstructor invoked with a non-function value"); + } + + try { + Reflect.construct(function(){}, [], f); + } catch (e) { + return false; + } + return true; +} |