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Diffstat (limited to 'deps/v8/test/mjsunit/es6/promise-thenable-proxy.js')
-rw-r--r-- | deps/v8/test/mjsunit/es6/promise-thenable-proxy.js | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es6/promise-thenable-proxy.js b/deps/v8/test/mjsunit/es6/promise-thenable-proxy.js new file mode 100644 index 0000000000..4849639a5b --- /dev/null +++ b/deps/v8/test/mjsunit/es6/promise-thenable-proxy.js @@ -0,0 +1,23 @@ +// Copyright 2015 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Flags: --allow-natives-syntax + +function assertAsync(b, s) { + if (!b) { + %AbortJS(" FAILED!") + } +} + +var handler = { + get: function(target, name) { + if (name === 'then') { + return (val) => Promise.prototype.then.call(target, val); + } + } +}; + +var target = new Promise(r => r(42)); +var p = new Proxy(target, handler); +Promise.resolve(p).then((val) => assertAsync(val === 42)); |