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102 lines
4.8 KiB
102 lines
4.8 KiB
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax
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// Test element kind of objects
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var element_kind = {
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fast_elements : 1,
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fast_double_elements : 2,
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dictionary_elements : 3,
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external_byte_elements : 4,
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external_unsigned_byte_elements : 5,
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external_short_elements : 6,
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external_unsigned_short_elements : 7,
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external_int_elements : 8,
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external_unsigned_int_elements : 9,
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external_float_elements : 10,
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external_double_elements : 11,
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external_pixel_elements : 12
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}
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// We expect an object to only be of one element kind.
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function assertKind(expected, obj){
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assertEquals(expected == element_kind.fast_elements,
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%HasFastElements(obj));
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assertEquals(expected == element_kind.fast_double_elements,
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%HasFastDoubleElements(obj));
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assertEquals(expected == element_kind.dictionary_elements,
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%HasDictionaryElements(obj));
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assertEquals(expected == element_kind.external_byte_elements,
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%HasExternalByteElements(obj));
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assertEquals(expected == element_kind.external_unsigned_byte_elements,
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%HasExternalUnsignedByteElements(obj));
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assertEquals(expected == element_kind.external_short_elements,
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%HasExternalShortElements(obj));
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assertEquals(expected == element_kind.external_unsigned_short_elements,
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%HasExternalUnsignedShortElements(obj));
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assertEquals(expected == element_kind.external_int_elements,
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%HasExternalIntElements(obj));
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assertEquals(expected == element_kind.external_unsigned_int_elements,
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%HasExternalUnsignedIntElements(obj));
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assertEquals(expected == element_kind.external_float_elements,
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%HasExternalFloatElements(obj));
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assertEquals(expected == element_kind.external_double_elements,
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%HasExternalDoubleElements(obj));
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assertEquals(expected == element_kind.external_pixel_elements,
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%HasExternalPixelElements(obj));
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// every external kind is also an external array
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assertEquals(expected >= element_kind.external_byte_elements,
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%HasExternalArrayElements(obj));
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}
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var me = {};
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assertKind(element_kind.fast_elements, me);
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me.dance = 0xD15C0;
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me.drink = 0xC0C0A;
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assertKind(element_kind.fast_elements, me);
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var you = new Array();
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for(i = 0; i < 1337; i++) {
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you[i] = i;
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}
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assertKind(element_kind.fast_elements, you);
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assertKind(element_kind.dictionary_elements, new Array(0xC0C0A));
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// fast_double_elements not yet available
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assertKind(element_kind.external_byte_elements, new Int8Array(9001));
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assertKind(element_kind.external_unsigned_byte_elements, new Uint8Array(007));
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assertKind(element_kind.external_short_elements, new Int16Array(666));
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assertKind(element_kind.external_unsigned_short_elements, new Uint16Array(42));
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assertKind(element_kind.external_int_elements, new Int32Array(0xF));
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assertKind(element_kind.external_unsigned_int_elements, new Uint32Array(23));
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assertKind(element_kind.external_float_elements, new Float32Array(7));
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assertKind(element_kind.external_double_elements, new Float64Array(0));
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assertKind(element_kind.external_pixel_elements, new PixelArray(512));
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