diff options
Diffstat (limited to 'js/src/tests/test262/built-ins/Iterator/from/non-constructible.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Iterator/from/non-constructible.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/from/non-constructible.js b/js/src/tests/test262/built-ins/Iterator/from/non-constructible.js new file mode 100644 index 0000000000..21c14df223 --- /dev/null +++ b/js/src/tests/test262/built-ins/Iterator/from/non-constructible.js @@ -0,0 +1,26 @@ +// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options +// Copyright (C) 2020 Rick Waldron. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-iterator.from +description: > + Iterator.from is not constructible. + + Built-in function objects that are not identified as constructors do not implement the [[Construct]] internal method unless otherwise specified in the description of a particular function. +features: [iterator-helpers] +---*/ +function* g() {} + +assert.throws(TypeError, () => { + new Iterator.from(); +}); + +assert.throws(TypeError, () => { + new Iterator.from(g()); +}); + +assert.throws(TypeError, () => { + new class extends Iterator {}.from(g()); +}); + +reportCompare(0, 0); |