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Diffstat (limited to 'deps/v8/test/mjsunit/es6/regress/regress-new-target-context.js')
-rw-r--r-- | deps/v8/test/mjsunit/es6/regress/regress-new-target-context.js | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/es6/regress/regress-new-target-context.js b/deps/v8/test/mjsunit/es6/regress/regress-new-target-context.js new file mode 100644 index 0000000000..eadf6e3aec --- /dev/null +++ b/deps/v8/test/mjsunit/es6/regress/regress-new-target-context.js @@ -0,0 +1,25 @@ +// 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. + +// Test access of the new.target value in functions that also allocate local +// function contexts of varying sizes, making sure the value is not clobbered. + +function makeFun(n) { + var source = "(function f" + n + "() { "; + for (var i = 0; i < n; ++i) source += "var v" + i + "; "; + source += "(function() { 0 "; + for (var i = 0; i < n; ++i) source += "+ v" + i + " "; + source += "})(); return { value: new.target }; })"; + return eval(source); +} + +// Exercise fast case. +var a = makeFun(4); +assertEquals(a, new a().value); +assertEquals(undefined, a().value); + +// Exercise slow case. +var b = makeFun(128); +assertEquals(b, new b().value); +assertEquals(undefined, b().value); |