diff options
Diffstat (limited to 'src/3rdparty/v8/test/mjsunit/elements-kind.js')
| -rw-r--r-- | src/3rdparty/v8/test/mjsunit/elements-kind.js | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/src/3rdparty/v8/test/mjsunit/elements-kind.js b/src/3rdparty/v8/test/mjsunit/elements-kind.js deleted file mode 100644 index 92bdac7..0000000 --- a/src/3rdparty/v8/test/mjsunit/elements-kind.js +++ /dev/null @@ -1,348 +0,0 @@ -// 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. - -// Flags: --allow-natives-syntax --smi-only-arrays --expose-gc -// Flags: --notrack_allocation_sites - -// Test element kind of objects. -// Since --smi-only-arrays affects builtins, its default setting at compile -// time sticks if built with snapshot. If --smi-only-arrays is deactivated -// by default, only a no-snapshot build actually has smi-only arrays enabled -// in this test case. Depending on whether smi-only arrays are actually -// enabled, this test takes the appropriate code path to check smi-only arrays. - -support_smi_only_arrays = %HasFastSmiElements(new Array(1,2,3,4,5,6,7,8)); - -if (support_smi_only_arrays) { - print("Tests include smi-only arrays."); -} else { - print("Tests do NOT include smi-only arrays."); -} - -var elements_kind = { - fast_smi_only : 'fast smi only elements', - fast : 'fast elements', - fast_double : 'fast double elements', - dictionary : 'dictionary elements', - external_byte : 'external byte elements', - external_unsigned_byte : 'external unsigned byte elements', - external_short : 'external short elements', - external_unsigned_short : 'external unsigned short elements', - external_int : 'external int elements', - external_unsigned_int : 'external unsigned int elements', - external_float : 'external float elements', - external_double : 'external double elements', - external_pixel : 'external pixel elements' -} - -function getKind(obj) { - if (%HasFastSmiElements(obj)) return elements_kind.fast_smi_only; - if (%HasFastObjectElements(obj)) return elements_kind.fast; - if (%HasFastDoubleElements(obj)) return elements_kind.fast_double; - if (%HasDictionaryElements(obj)) return elements_kind.dictionary; - // Every external kind is also an external array. - assertTrue(%HasExternalArrayElements(obj)); - if (%HasExternalByteElements(obj)) { - return elements_kind.external_byte; - } - if (%HasExternalUnsignedByteElements(obj)) { - return elements_kind.external_unsigned_byte; - } - if (%HasExternalShortElements(obj)) { - return elements_kind.external_short; - } - if (%HasExternalUnsignedShortElements(obj)) { - return elements_kind.external_unsigned_short; - } - if (%HasExternalIntElements(obj)) { - return elements_kind.external_int; - } - if (%HasExternalUnsignedIntElements(obj)) { - return elements_kind.external_unsigned_int; - } - if (%HasExternalFloatElements(obj)) { - return elements_kind.external_float; - } - if (%HasExternalDoubleElements(obj)) { - return elements_kind.external_double; - } - if (%HasExternalPixelElements(obj)) { - return elements_kind.external_pixel; - } -} - -function assertKind(expected, obj, name_opt) { - if (!support_smi_only_arrays && - expected == elements_kind.fast_smi_only) { - expected = elements_kind.fast; - } - assertEquals(expected, getKind(obj), name_opt); -} - -var me = {}; -assertKind(elements_kind.fast, me); -me.dance = 0xD15C0; -me.drink = 0xC0C0A; -assertKind(elements_kind.fast, me); - -if (support_smi_only_arrays) { - var too = [1,2,3]; - assertKind(elements_kind.fast_smi_only, too); - too.dance = 0xD15C0; - too.drink = 0xC0C0A; - assertKind(elements_kind.fast_smi_only, too); -} - -// Make sure the element kind transitions from smi when a non-smi is stored. -var you = new Array(); -assertKind(elements_kind.fast_smi_only, you); -for (var i = 0; i < 1337; i++) { - var val = i; - if (i == 1336) { - assertKind(elements_kind.fast_smi_only, you); - val = new Object(); - } - you[i] = val; -} -assertKind(elements_kind.fast, you); - -assertKind(elements_kind.dictionary, new Array(0xDECAF)); - -var fast_double_array = new Array(0xDECAF); -for (var i = 0; i < 0xDECAF; i++) fast_double_array[i] = i / 2; -assertKind(elements_kind.fast_double, fast_double_array); - -assertKind(elements_kind.external_byte, new Int8Array(9001)); -assertKind(elements_kind.external_unsigned_byte, new Uint8Array(007)); -assertKind(elements_kind.external_short, new Int16Array(666)); -assertKind(elements_kind.external_unsigned_short, new Uint16Array(42)); -assertKind(elements_kind.external_int, new Int32Array(0xF)); -assertKind(elements_kind.external_unsigned_int, new Uint32Array(23)); -assertKind(elements_kind.external_float, new Float32Array(7)); -assertKind(elements_kind.external_double, new Float64Array(0)); -assertKind(elements_kind.external_pixel, new Uint8ClampedArray(512)); - -// Crankshaft support for smi-only array elements. -function monomorphic(array) { - assertKind(elements_kind.fast_smi_only, array); - for (var i = 0; i < 3; i++) { - array[i] = i + 10; - } - assertKind(elements_kind.fast_smi_only, array); - for (var i = 0; i < 3; i++) { - var a = array[i]; - assertEquals(i + 10, a); - } -} -var smi_only = new Array(1, 2, 3); -assertKind(elements_kind.fast_smi_only, smi_only); -for (var i = 0; i < 3; i++) monomorphic(smi_only); -%OptimizeFunctionOnNextCall(monomorphic); -monomorphic(smi_only); - -if (support_smi_only_arrays) { - function construct_smis() { - var a = [0, 0, 0]; - a[0] = 0; // Send the COW array map to the steak house. - assertKind(elements_kind.fast_smi_only, a); - return a; - } - function construct_doubles() { - var a = construct_smis(); - a[0] = 1.5; - assertKind(elements_kind.fast_double, a); - return a; - } - function construct_objects() { - var a = construct_smis(); - a[0] = "one"; - assertKind(elements_kind.fast, a); - return a; - } - - // Test crankshafted transition SMI->DOUBLE. - function convert_to_double(array) { - array[1] = 2.5; - assertKind(elements_kind.fast_double, array); - assertEquals(2.5, array[1]); - } - var smis = construct_smis(); - for (var i = 0; i < 3; i++) convert_to_double(smis); - %OptimizeFunctionOnNextCall(convert_to_double); - smis = construct_smis(); - convert_to_double(smis); - // Test crankshafted transitions SMI->FAST and DOUBLE->FAST. - function convert_to_fast(array) { - array[1] = "two"; - assertKind(elements_kind.fast, array); - assertEquals("two", array[1]); - } - smis = construct_smis(); - for (var i = 0; i < 3; i++) convert_to_fast(smis); - var doubles = construct_doubles(); - for (var i = 0; i < 3; i++) convert_to_fast(doubles); - smis = construct_smis(); - doubles = construct_doubles(); - %OptimizeFunctionOnNextCall(convert_to_fast); - convert_to_fast(smis); - convert_to_fast(doubles); - // Test transition chain SMI->DOUBLE->FAST (crankshafted function will - // transition to FAST directly). - function convert_mixed(array, value, kind) { - array[1] = value; - assertKind(kind, array); - assertEquals(value, array[1]); - } - smis = construct_smis(); - for (var i = 0; i < 3; i++) { - convert_mixed(smis, 1.5, elements_kind.fast_double); - } - doubles = construct_doubles(); - for (var i = 0; i < 3; i++) { - convert_mixed(doubles, "three", elements_kind.fast); - } - convert_mixed(construct_smis(), "three", elements_kind.fast); - convert_mixed(construct_doubles(), "three", elements_kind.fast); - %OptimizeFunctionOnNextCall(convert_mixed); - smis = construct_smis(); - doubles = construct_doubles(); - convert_mixed(smis, 1, elements_kind.fast); - convert_mixed(doubles, 1, elements_kind.fast); - assertTrue(%HaveSameMap(smis, doubles)); -} - -// Crankshaft support for smi-only elements in dynamic array literals. -function get(foo) { return foo; } // Used to generate dynamic values. - -function crankshaft_test() { - if (support_smi_only_arrays) { - var a1 = [get(1), get(2), get(3)]; - assertKind(elements_kind.fast_smi_only, a1); - } - var a2 = new Array(get(1), get(2), get(3)); - assertKind(elements_kind.fast_smi_only, a2); - var b = [get(1), get(2), get("three")]; - assertKind(elements_kind.fast, b); - var c = [get(1), get(2), get(3.5)]; - if (support_smi_only_arrays) { - assertKind(elements_kind.fast_double, c); - } -} -for (var i = 0; i < 3; i++) { - crankshaft_test(); -} -%OptimizeFunctionOnNextCall(crankshaft_test); -crankshaft_test(); - -// Elements_kind transitions for arrays. - -// A map can have three different elements_kind transitions: SMI->DOUBLE, -// DOUBLE->OBJECT, and SMI->OBJECT. No matter in which order these three are -// created, they must always end up with the same FAST map. - -// This test is meaningless without FAST_SMI_ONLY_ELEMENTS. -if (support_smi_only_arrays) { - // Preparation: create one pair of identical objects for each case. - var a = [1, 2, 3]; - var b = [1, 2, 3]; - assertTrue(%HaveSameMap(a, b)); - assertKind(elements_kind.fast_smi_only, a); - var c = [1, 2, 3]; - c["case2"] = true; - var d = [1, 2, 3]; - d["case2"] = true; - assertTrue(%HaveSameMap(c, d)); - assertFalse(%HaveSameMap(a, c)); - assertKind(elements_kind.fast_smi_only, c); - var e = [1, 2, 3]; - e["case3"] = true; - var f = [1, 2, 3]; - f["case3"] = true; - assertTrue(%HaveSameMap(e, f)); - assertFalse(%HaveSameMap(a, e)); - assertFalse(%HaveSameMap(c, e)); - assertKind(elements_kind.fast_smi_only, e); - // Case 1: SMI->DOUBLE, DOUBLE->OBJECT, SMI->OBJECT. - a[0] = 1.5; - assertKind(elements_kind.fast_double, a); - a[0] = "foo"; - assertKind(elements_kind.fast, a); - b[0] = "bar"; - assertTrue(%HaveSameMap(a, b)); - // Case 2: SMI->DOUBLE, SMI->OBJECT, DOUBLE->OBJECT. - c[0] = 1.5; - assertKind(elements_kind.fast_double, c); - assertFalse(%HaveSameMap(c, d)); - d[0] = "foo"; - assertKind(elements_kind.fast, d); - assertFalse(%HaveSameMap(c, d)); - c[0] = "bar"; - assertTrue(%HaveSameMap(c, d)); - // Case 3: SMI->OBJECT, SMI->DOUBLE, DOUBLE->OBJECT. - e[0] = "foo"; - assertKind(elements_kind.fast, e); - assertFalse(%HaveSameMap(e, f)); - f[0] = 1.5; - assertKind(elements_kind.fast_double, f); - assertFalse(%HaveSameMap(e, f)); - f[0] = "bar"; - assertKind(elements_kind.fast, f); - assertTrue(%HaveSameMap(e, f)); -} - -// Test if Array.concat() works correctly with DOUBLE elements. -if (support_smi_only_arrays) { - var a = [1, 2]; - assertKind(elements_kind.fast_smi_only, a); - var b = [4.5, 5.5]; - assertKind(elements_kind.fast_double, b); - var c = a.concat(b); - assertEquals([1, 2, 4.5, 5.5], c); - assertKind(elements_kind.fast_double, c); -} - -// Test that Array.push() correctly handles SMI elements. -if (support_smi_only_arrays) { - var a = [1, 2]; - assertKind(elements_kind.fast_smi_only, a); - a.push(3, 4, 5); - assertKind(elements_kind.fast_smi_only, a); - assertEquals([1, 2, 3, 4, 5], a); -} - -// Test that Array.splice() and Array.slice() return correct ElementsKinds. -if (support_smi_only_arrays) { - var a = ["foo", "bar"]; - assertKind(elements_kind.fast, a); - var b = a.splice(0, 1); - assertKind(elements_kind.fast, b); - var c = a.slice(0, 1); - assertKind(elements_kind.fast, c); -} - -// Throw away type information in the ICs for next stress run. -gc(); |