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Diffstat (limited to 'deps/v8/test/mjsunit/regress/regress-crbug-162085.js')
-rw-r--r-- | deps/v8/test/mjsunit/regress/regress-crbug-162085.js | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/regress/regress-crbug-162085.js b/deps/v8/test/mjsunit/regress/regress-crbug-162085.js new file mode 100644 index 0000000000..a53b2c9987 --- /dev/null +++ b/deps/v8/test/mjsunit/regress/regress-crbug-162085.js @@ -0,0 +1,71 @@ +// Copyright 2012 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. + +// Ensure extending an empty packed smi array with a double initializes the +// array with holes. +var a = [1,2,3]; +a.length = 0; +a[0] = 1.4; +assertEquals(1.4, a[0]); +assertEquals(undefined, a[1]); +assertEquals(undefined, a[2]); +assertEquals(undefined, a[3]); + +// Ensure the double array growstub initializes the array with holes. +function grow_store(a,i,v) { + a[i] = v; +} + +var a2 = [1.3]; +grow_store(a2,1,1.4); +a2.length = 0; +grow_store(a2,0,1.5); +assertEquals(1.5, a2[0]); +assertEquals(undefined, a2[1]); +assertEquals(undefined, a2[2]); +assertEquals(undefined, a2[3]); + +// Check storing objects using the double grow stub. +var a3 = [1.3]; +var o = {}; +grow_store(a3, 1, o); +assertEquals(1.3, a3[0]); +assertEquals(o, a3[1]); + +// Ensure the double array growstub initializes the array with holes. +function grow_store2(a,i,v) { + a[i] = v; +} + +var a4 = [1.3]; +grow_store2(a4,1,1.4); +a4.length = 0; +grow_store2(a4,0,1); +assertEquals(1, a4[0]); +assertEquals(undefined, a4[1]); +assertEquals(undefined, a4[2]); +assertEquals(undefined, a4[3]); |