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Diffstat (limited to 'deps/v8/test/mjsunit/for-in-delete.js')
-rw-r--r-- | deps/v8/test/mjsunit/for-in-delete.js | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/for-in-delete.js b/deps/v8/test/mjsunit/for-in-delete.js new file mode 100644 index 0000000000..e9fc060ae6 --- /dev/null +++ b/deps/v8/test/mjsunit/for-in-delete.js @@ -0,0 +1,50 @@ +// Copyright 2010 the V8 project authors. All rights reserved. +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following +// disclaimer in the documentation and/or other materials provided +// with the distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived +// from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// Test that properties deleted during a for-in iteration do not show up in +// the for-in. + +function f(o, expected, del) { + var index = 0; + for (p in o) { + if (del) delete o[del]; + assertEquals(expected[index], p); + index++; + } + assertEquals(expected.length, index); +} + +var o = {} +o.a = 1; +o.b = 2; +o.c = 3; +o.d = 3; + +f(o, ['a', 'b', 'c', 'd']); +f(o, ['a', 'b', 'c', 'd']); +f(o, ['a', 'c', 'd'], 'b'); +f(o, ['a', 'c'], 'd'); |