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// Copyright 2011 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.
// Flags: --allow-natives-syntax
// Test element kind of objects
var element_kind = {
fast_elements : 1,
fast_double_elements : 2,
dictionary_elements : 3,
external_byte_elements : 4,
external_unsigned_byte_elements : 5,
external_short_elements : 6,
external_unsigned_short_elements : 7,
external_int_elements : 8,
external_unsigned_int_elements : 9,
external_float_elements : 10,
external_double_elements : 11,
external_pixel_elements : 12
}
// We expect an object to only be of one element kind.
function assertKind(expected, obj){
assertEquals(expected == element_kind.fast_elements,
%HasFastElements(obj));
assertEquals(expected == element_kind.fast_double_elements,
%HasFastDoubleElements(obj));
assertEquals(expected == element_kind.dictionary_elements,
%HasDictionaryElements(obj));
assertEquals(expected == element_kind.external_byte_elements,
%HasExternalByteElements(obj));
assertEquals(expected == element_kind.external_unsigned_byte_elements,
%HasExternalUnsignedByteElements(obj));
assertEquals(expected == element_kind.external_short_elements,
%HasExternalShortElements(obj));
assertEquals(expected == element_kind.external_unsigned_short_elements,
%HasExternalUnsignedShortElements(obj));
assertEquals(expected == element_kind.external_int_elements,
%HasExternalIntElements(obj));
assertEquals(expected == element_kind.external_unsigned_int_elements,
%HasExternalUnsignedIntElements(obj));
assertEquals(expected == element_kind.external_float_elements,
%HasExternalFloatElements(obj));
assertEquals(expected == element_kind.external_double_elements,
%HasExternalDoubleElements(obj));
assertEquals(expected == element_kind.external_pixel_elements,
%HasExternalPixelElements(obj));
// every external kind is also an external array
assertEquals(expected >= element_kind.external_byte_elements,
%HasExternalArrayElements(obj));
}
var me = {};
assertKind(element_kind.fast_elements, me);
me.dance = 0xD15C0;
me.drink = 0xC0C0A;
assertKind(element_kind.fast_elements, me);
var you = new Array();
for(i = 0; i < 1337; i++) {
you[i] = i;
}
assertKind(element_kind.fast_elements, you);
assertKind(element_kind.dictionary_elements, new Array(0xC0C0A));
// fast_double_elements not yet available
assertKind(element_kind.external_byte_elements, new Int8Array(9001));
assertKind(element_kind.external_unsigned_byte_elements, new Uint8Array(007));
assertKind(element_kind.external_short_elements, new Int16Array(666));
assertKind(element_kind.external_unsigned_short_elements, new Uint16Array(42));
assertKind(element_kind.external_int_elements, new Int32Array(0xF));
assertKind(element_kind.external_unsigned_int_elements, new Uint32Array(23));
assertKind(element_kind.external_float_elements, new Float32Array(7));
assertKind(element_kind.external_double_elements, new Float64Array(0));
assertKind(element_kind.external_pixel_elements, new PixelArray(512));
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