2222a9d67e
In the recent port of reduce() and reduceRight(), a check for a length change during the loop (standard for iterating builtins) was omitted. We did get array bounds check protection, however it didn't expose the issue in our tests because the bounds check is against the backing store length, not against the length in the referring JSArray. Also added a test for reduceRight(). R=jgruber@chromium.org Bug: chromium:937676 Change-Id: I76e22e0d71965bff84a0822b1df5dc818a00b50e Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1503732 Reviewed-by: Jakob Gruber <jgruber@chromium.org> Commit-Queue: Michael Stanton <mvstanton@chromium.org> Cr-Commit-Position: refs/heads/master@{#60033}
1320 lines
35 KiB
JavaScript
1320 lines
35 KiB
JavaScript
// Copyright 2009 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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/**
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* @fileoverview Test reduce and reduceRight
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*/
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function clone(v) {
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// Shallow-copies arrays, returns everything else verbatim.
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if (v instanceof Array) {
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// Shallow-copy an array.
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var newArray = new Array(v.length);
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for (var i in v) {
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newArray[i] = v[i];
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}
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return newArray;
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}
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return v;
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}
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// Creates a callback function for reduce/reduceRight that tests the number
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// of arguments and otherwise behaves as "func", but which also
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// records all calls in an array on the function (as arrays of arguments
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// followed by result).
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function makeRecorder(func, testName) {
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var record = [];
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var f = function recorder(a, b, i, s) {
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assertEquals(4, arguments.length,
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testName + "(number of arguments: " + arguments.length + ")");
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assertEquals("number", typeof(i), testName + "(index must be number)");
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assertEquals(s[i], b, testName + "(current argument is at index)");
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if (record.length > 0) {
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var prevRecord = record[record.length - 1];
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var prevResult = prevRecord[prevRecord.length - 1];
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assertEquals(prevResult, a,
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testName + "(prev result -> current input)");
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}
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var args = [clone(a), clone(b), i, clone(s)];
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var result = func.apply(this, arguments);
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args.push(clone(result));
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record.push(args);
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return result;
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};
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f.record = record;
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return f;
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}
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function testReduce(type,
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testName,
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expectedResult,
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expectedCalls,
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array,
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combine,
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init) {
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var rec = makeRecorder(combine);
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var result;
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var performsCall;
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if (arguments.length > 6) {
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result = array[type](rec, init);
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} else {
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result = array[type](rec);
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}
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var calls = rec.record;
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assertEquals(expectedCalls.length, calls.length,
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testName + " (number of calls)");
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for (var i = 0; i < expectedCalls.length; i++) {
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assertEquals(expectedCalls[i], calls[i],
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testName + " (call " + (i + 1) + ")");
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}
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assertEquals(expectedResult, result, testName + " (result)");
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}
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function sum(a, b) { return a + b; }
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function prod(a, b) { return a * b; }
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function dec(a, b, i, arr) { return a + b * Math.pow(10, arr.length - i - 1); }
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function accumulate(acc, elem, i) { acc[i] = elem; return acc; }
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// ---- Test Reduce[Left]
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var simpleArray = [2,4,6]
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testReduce("reduce", "SimpleReduceSum", 12,
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[[0, 2, 0, simpleArray, 2],
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[2, 4, 1, simpleArray, 6],
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[6, 6, 2, simpleArray, 12]],
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simpleArray, sum, 0);
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testReduce("reduce", "SimpleReduceProd", 48,
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[[1, 2, 0, simpleArray, 2],
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[2, 4, 1, simpleArray, 8],
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[8, 6, 2, simpleArray, 48]],
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simpleArray, prod, 1);
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testReduce("reduce", "SimpleReduceDec", 246,
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[[0, 2, 0, simpleArray, 200],
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[200, 4, 1, simpleArray, 240],
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[240, 6, 2, simpleArray, 246]],
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simpleArray, dec, 0);
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testReduce("reduce", "SimpleReduceAccumulate", simpleArray,
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[[[], 2, 0, simpleArray, [2]],
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[[2], 4, 1, simpleArray, [2, 4]],
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[[2,4], 6, 2, simpleArray, simpleArray]],
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simpleArray, accumulate, []);
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testReduce("reduce", "EmptyReduceSum", 0, [], [], sum, 0);
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testReduce("reduce", "EmptyReduceProd", 1, [], [], prod, 1);
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testReduce("reduce", "EmptyReduceDec", 0, [], [], dec, 0);
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testReduce("reduce", "EmptyReduceAccumulate", [], [], [], accumulate, []);
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testReduce("reduce", "EmptyReduceSumNoInit", 0, [], [0], sum);
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testReduce("reduce", "EmptyReduceProdNoInit", 1, [], [1], prod);
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testReduce("reduce", "EmptyReduceDecNoInit", 0, [], [0], dec);
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testReduce("reduce", "EmptyReduceAccumulateNoInit", [], [], [[]], accumulate);
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var simpleSparseArray = [,,,2,,4,,6,,];
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testReduce("reduce", "SimpleSparseReduceSum", 12,
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[[0, 2, 3, simpleSparseArray, 2],
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[2, 4, 5, simpleSparseArray, 6],
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[6, 6, 7, simpleSparseArray, 12]],
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simpleSparseArray, sum, 0);
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testReduce("reduce", "SimpleSparseReduceProd", 48,
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[[1, 2, 3, simpleSparseArray, 2],
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[2, 4, 5, simpleSparseArray, 8],
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[8, 6, 7, simpleSparseArray, 48]],
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simpleSparseArray, prod, 1);
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testReduce("reduce", "SimpleSparseReduceDec", 204060,
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[[0, 2, 3, simpleSparseArray, 200000],
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[200000, 4, 5, simpleSparseArray, 204000],
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[204000, 6, 7, simpleSparseArray, 204060]],
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simpleSparseArray, dec, 0);
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testReduce("reduce", "SimpleSparseReduceAccumulate", [,,,2,,4,,6],
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[[[], 2, 3, simpleSparseArray, [,,,2]],
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[[,,,2], 4, 5, simpleSparseArray, [,,,2,,4]],
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[[,,,2,,4], 6, 7, simpleSparseArray, [,,,2,,4,,6]]],
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simpleSparseArray, accumulate, []);
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testReduce("reduce", "EmptySparseReduceSumNoInit", 0, [], [,,0,,], sum);
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testReduce("reduce", "EmptySparseReduceProdNoInit", 1, [], [,,1,,], prod);
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testReduce("reduce", "EmptySparseReduceDecNoInit", 0, [], [,,0,,], dec);
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testReduce("reduce", "EmptySparseReduceAccumulateNoInit",
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[], [], [,,[],,], accumulate);
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var verySparseArray = [];
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verySparseArray.length = 10000;
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verySparseArray[2000] = 2;
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verySparseArray[5000] = 4;
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verySparseArray[9000] = 6;
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var verySparseSlice2 = verySparseArray.slice(0, 2001);
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var verySparseSlice4 = verySparseArray.slice(0, 5001);
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var verySparseSlice6 = verySparseArray.slice(0, 9001);
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testReduce("reduce", "VerySparseReduceSum", 12,
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[[0, 2, 2000, verySparseArray, 2],
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[2, 4, 5000, verySparseArray, 6],
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[6, 6, 9000, verySparseArray, 12]],
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verySparseArray, sum, 0);
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testReduce("reduce", "VerySparseReduceProd", 48,
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[[1, 2, 2000, verySparseArray, 2],
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[2, 4, 5000, verySparseArray, 8],
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[8, 6, 9000, verySparseArray, 48]],
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verySparseArray, prod, 1);
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testReduce("reduce", "VerySparseReduceDec", Infinity,
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[[0, 2, 2000, verySparseArray, Infinity],
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[Infinity, 4, 5000, verySparseArray, Infinity],
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[Infinity, 6, 9000, verySparseArray, Infinity]],
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verySparseArray, dec, 0);
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testReduce("reduce", "VerySparseReduceAccumulate",
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verySparseSlice6,
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[[[], 2, 2000, verySparseArray, verySparseSlice2],
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[verySparseSlice2, 4, 5000, verySparseArray, verySparseSlice4],
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[verySparseSlice4, 6, 9000, verySparseArray, verySparseSlice6]],
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verySparseArray, accumulate, []);
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testReduce("reduce", "VerySparseReduceSumNoInit", 12,
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[[2, 4, 5000, verySparseArray, 6],
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[6, 6, 9000, verySparseArray, 12]],
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verySparseArray, sum);
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testReduce("reduce", "VerySparseReduceProdNoInit", 48,
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[[2, 4, 5000, verySparseArray, 8],
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[8, 6, 9000, verySparseArray, 48]],
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verySparseArray, prod);
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testReduce("reduce", "VerySparseReduceDecNoInit", Infinity,
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[[2, 4, 5000, verySparseArray, Infinity],
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[Infinity, 6, 9000, verySparseArray, Infinity]],
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verySparseArray, dec);
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testReduce("reduce", "SimpleSparseReduceAccumulateNoInit",
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2,
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[[2, 4, 5000, verySparseArray, 2],
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[2, 6, 9000, verySparseArray, 2]],
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verySparseArray, accumulate);
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// ---- Test ReduceRight
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testReduce("reduceRight", "SimpleReduceRightSum", 12,
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[[0, 6, 2, simpleArray, 6],
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[6, 4, 1, simpleArray, 10],
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[10, 2, 0, simpleArray, 12]],
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simpleArray, sum, 0);
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testReduce("reduceRight", "SimpleReduceRightProd", 48,
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[[1, 6, 2, simpleArray, 6],
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[6, 4, 1, simpleArray, 24],
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[24, 2, 0, simpleArray, 48]],
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simpleArray, prod, 1);
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testReduce("reduceRight", "SimpleReduceRightDec", 246,
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[[0, 6, 2, simpleArray, 6],
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[6, 4, 1, simpleArray, 46],
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[46, 2, 0, simpleArray, 246]],
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simpleArray, dec, 0);
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testReduce("reduceRight", "SimpleReduceRightAccumulate", simpleArray,
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[[[], 6, 2, simpleArray, [,,6]],
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[[,,6], 4, 1, simpleArray, [,4,6]],
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[[,4,6], 2, 0, simpleArray, simpleArray]],
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simpleArray, accumulate, []);
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testReduce("reduceRight", "EmptyReduceRightSum", 0, [], [], sum, 0);
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testReduce("reduceRight", "EmptyReduceRightProd", 1, [], [], prod, 1);
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testReduce("reduceRight", "EmptyReduceRightDec", 0, [], [], dec, 0);
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testReduce("reduceRight", "EmptyReduceRightAccumulate", [],
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[], [], accumulate, []);
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testReduce("reduceRight", "EmptyReduceRightSumNoInit", 0, [], [0], sum);
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testReduce("reduceRight", "EmptyReduceRightProdNoInit", 1, [], [1], prod);
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testReduce("reduceRight", "EmptyReduceRightDecNoInit", 0, [], [0], dec);
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testReduce("reduceRight", "EmptyReduceRightAccumulateNoInit",
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[], [], [[]], accumulate);
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testReduce("reduceRight", "SimpleSparseReduceRightSum", 12,
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[[0, 6, 7, simpleSparseArray, 6],
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[6, 4, 5, simpleSparseArray, 10],
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[10, 2, 3, simpleSparseArray, 12]],
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simpleSparseArray, sum, 0);
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testReduce("reduceRight", "SimpleSparseReduceRightProd", 48,
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[[1, 6, 7, simpleSparseArray, 6],
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[6, 4, 5, simpleSparseArray, 24],
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[24, 2, 3, simpleSparseArray, 48]],
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simpleSparseArray, prod, 1);
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testReduce("reduceRight", "SimpleSparseReduceRightDec", 204060,
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[[0, 6, 7, simpleSparseArray, 60],
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[60, 4, 5, simpleSparseArray, 4060],
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[4060, 2, 3, simpleSparseArray, 204060]],
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simpleSparseArray, dec, 0);
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testReduce("reduceRight", "SimpleSparseReduceRightAccumulate", [,,,2,,4,,6],
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[[[], 6, 7, simpleSparseArray, [,,,,,,,6]],
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[[,,,,,,,6], 4, 5, simpleSparseArray, [,,,,,4,,6]],
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[[,,,,,4,,6], 2, 3, simpleSparseArray, [,,,2,,4,,6]]],
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simpleSparseArray, accumulate, []);
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testReduce("reduceRight", "EmptySparseReduceRightSumNoInit",
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0, [], [,,0,,], sum);
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testReduce("reduceRight", "EmptySparseReduceRightProdNoInit",
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1, [], [,,1,,], prod);
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testReduce("reduceRight", "EmptySparseReduceRightDecNoInit",
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0, [], [,,0,,], dec);
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testReduce("reduceRight", "EmptySparseReduceRightAccumulateNoInit",
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[], [], [,,[],,], accumulate);
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var verySparseSuffix6 = [];
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verySparseSuffix6[9000] = 6;
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var verySparseSuffix4 = [];
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verySparseSuffix4[5000] = 4;
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verySparseSuffix4[9000] = 6;
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var verySparseSuffix2 = verySparseSlice6;
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testReduce("reduceRight", "VerySparseReduceRightSum", 12,
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[[0, 6, 9000, verySparseArray, 6],
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[6, 4, 5000, verySparseArray, 10],
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[10, 2, 2000, verySparseArray, 12]],
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verySparseArray, sum, 0);
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testReduce("reduceRight", "VerySparseReduceRightProd", 48,
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[[1, 6, 9000, verySparseArray, 6],
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[6, 4, 5000, verySparseArray, 24],
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[24, 2, 2000, verySparseArray, 48]],
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verySparseArray, prod, 1);
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testReduce("reduceRight", "VerySparseReduceRightDec", Infinity,
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[[0, 6, 9000, verySparseArray, Infinity],
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[Infinity, 4, 5000, verySparseArray, Infinity],
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[Infinity, 2, 2000, verySparseArray, Infinity]],
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verySparseArray, dec, 0);
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testReduce("reduceRight", "VerySparseReduceRightAccumulate",
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verySparseSuffix2,
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[[[], 6, 9000, verySparseArray, verySparseSuffix6],
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[verySparseSuffix6, 4, 5000, verySparseArray, verySparseSuffix4],
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[verySparseSuffix4, 2, 2000, verySparseArray, verySparseSuffix2]],
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verySparseArray, accumulate, []);
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testReduce("reduceRight", "VerySparseReduceRightSumNoInit", 12,
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[[6, 4, 5000, verySparseArray, 10],
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[10, 2, 2000, verySparseArray, 12]],
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verySparseArray, sum);
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testReduce("reduceRight", "VerySparseReduceRightProdNoInit", 48,
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[[6, 4, 5000, verySparseArray, 24],
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[24, 2, 2000, verySparseArray, 48]],
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verySparseArray, prod);
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testReduce("reduceRight", "VerySparseReduceRightDecNoInit", Infinity,
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[[6, 4, 5000, verySparseArray, Infinity],
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[Infinity, 2, 2000, verySparseArray, Infinity]],
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verySparseArray, dec);
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testReduce("reduceRight", "SimpleSparseReduceRightAccumulateNoInit",
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6,
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[[6, 4, 5000, verySparseArray, 6],
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[6, 2, 2000, verySparseArray, 6]],
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verySparseArray, accumulate);
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// undefined is an element
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var undefArray = [,,undefined,,undefined,,];
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testReduce("reduce", "SparseUndefinedReduceAdd", NaN,
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[[0, undefined, 2, undefArray, NaN],
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[NaN, undefined, 4, undefArray, NaN],
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],
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undefArray, sum, 0);
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testReduce("reduceRight", "SparseUndefinedReduceRightAdd", NaN,
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[[0, undefined, 4, undefArray, NaN],
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[NaN, undefined, 2, undefArray, NaN],
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], undefArray, sum, 0);
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testReduce("reduce", "SparseUndefinedReduceAddNoInit", NaN,
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[[undefined, undefined, 4, undefArray, NaN],
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], undefArray, sum);
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testReduce("reduceRight", "SparseUndefinedReduceRightAddNoInit", NaN,
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[[undefined, undefined, 2, undefArray, NaN],
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], undefArray, sum);
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// Ignore non-array properties:
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var arrayPlus = [1,2,,3];
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arrayPlus[-1] = NaN;
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arrayPlus[Math.pow(2,32)] = NaN;
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arrayPlus[NaN] = NaN;
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arrayPlus["00"] = NaN;
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arrayPlus["02"] = NaN;
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arrayPlus["-0"] = NaN;
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testReduce("reduce", "ArrayWithNonElementPropertiesReduce", 6,
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[[0, 1, 0, arrayPlus, 1],
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[1, 2, 1, arrayPlus, 3],
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[3, 3, 3, arrayPlus, 6],
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], arrayPlus, sum, 0);
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testReduce("reduceRight", "ArrayWithNonElementPropertiesReduceRight", 6,
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[[0, 3, 3, arrayPlus, 3],
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[3, 2, 1, arrayPlus, 5],
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[5, 1, 0, arrayPlus, 6],
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], arrayPlus, sum, 0);
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// Test passing undefined as initial value (to test missing parameter
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// detection).
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[1].reduce((a, b) => { assertEquals(a, undefined); assertEquals(b, 1) },
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undefined);
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[1, 2].reduce((a, b) => { assertEquals(a, 1); assertEquals(b, 2); });
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[1].reduce((a, b) => { assertTrue(false); });
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|
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// Test error conditions:
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var exception = false;
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try {
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[1].reduce("not a function");
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError,
|
|
"reduce callback not a function not throwing TypeError");
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assertTrue(e.message.indexOf(" is not a function") >= 0,
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"reduce non function TypeError type");
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}
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assertTrue(exception);
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exception = false;
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try {
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[1].reduceRight("not a function");
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} catch (e) {
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exception = true;
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assertTrue(e instanceof TypeError,
|
|
"reduceRight callback not a function not throwing TypeError");
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assertTrue(e.message.indexOf(" is not a function") >= 0,
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"reduceRight non function TypeError type");
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}
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assertTrue(exception);
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exception = false;
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try {
|
|
[].reduce(sum);
|
|
} catch (e) {
|
|
exception = true;
|
|
assertTrue(e instanceof TypeError,
|
|
"reduce no initial value not throwing TypeError");
|
|
assertEquals("Reduce of empty array with no initial value", e.message,
|
|
"reduce no initial TypeError type");
|
|
}
|
|
assertTrue(exception);
|
|
|
|
exception = false;
|
|
try {
|
|
[].reduceRight(sum);
|
|
} catch (e) {
|
|
exception = true;
|
|
assertTrue(e instanceof TypeError,
|
|
"reduceRight no initial value not throwing TypeError");
|
|
assertEquals("Reduce of empty array with no initial value", e.message,
|
|
"reduceRight no initial TypeError type");
|
|
}
|
|
assertTrue(exception);
|
|
|
|
exception = false;
|
|
try {
|
|
[,,,].reduce(sum);
|
|
} catch (e) {
|
|
exception = true;
|
|
assertTrue(e instanceof TypeError,
|
|
"reduce sparse no initial value not throwing TypeError");
|
|
assertEquals("Reduce of empty array with no initial value", e.message,
|
|
"reduce no initial TypeError type");
|
|
}
|
|
assertTrue(exception);
|
|
|
|
exception = false;
|
|
try {
|
|
[,,,].reduceRight(sum);
|
|
} catch (e) {
|
|
exception = true;
|
|
assertTrue(e instanceof TypeError,
|
|
"reduceRight sparse no initial value not throwing TypeError");
|
|
assertEquals("Reduce of empty array with no initial value", e.message,
|
|
"reduceRight no initial TypeError type");
|
|
}
|
|
assertTrue(exception);
|
|
|
|
|
|
// Array changing length
|
|
|
|
function manipulator(a, b, i, s) {
|
|
if (s.length % 2) {
|
|
s[s.length * 3] = i;
|
|
} else {
|
|
s.length = s.length >> 1;
|
|
}
|
|
return a + b;
|
|
}
|
|
|
|
var arr = [1, 2, 3, 4];
|
|
testReduce("reduce", "ArrayManipulationShort", 3,
|
|
[[0, 1, 0, [1, 2, 3, 4], 1],
|
|
[1, 2, 1, [1, 2], 3],
|
|
], arr, manipulator, 0);
|
|
|
|
var arr = [1, 2, 3, 4];
|
|
testReduce("reduceRight", "RightArrayManipulationShort", 7,
|
|
[[0, 4, 3, [1, 2, 3, 4], 4],
|
|
[4, 2, 1, [1, 2], 6],
|
|
[6, 1, 0, [1], 7],
|
|
], arr, manipulator, 0);
|
|
|
|
var arr = [1, 2, 3, 4, 5];
|
|
testReduce("reduce", "ArrayManipulationLonger", 10,
|
|
[[0, 1, 0, [1, 2, 3, 4, 5], 1],
|
|
[1, 2, 1, [1, 2, 3, 4, 5,,,,,,,,,,, 0], 3],
|
|
[3, 3, 2, [1, 2, 3, 4, 5,,,,], 6],
|
|
[6, 4, 3, [1, 2, 3, 4], 10],
|
|
], arr, manipulator, 0);
|
|
|
|
function extender(a, b, i, s) {
|
|
s[s.length] = s.length;
|
|
return a + b;
|
|
}
|
|
|
|
var arr = [1, 2, 3, 4];
|
|
testReduce("reduce", "ArrayManipulationExtender", 10,
|
|
[[0, 1, 0, [1, 2, 3, 4], 1],
|
|
[1, 2, 1, [1, 2, 3, 4, 4], 3],
|
|
[3, 3, 2, [1, 2, 3, 4, 4, 5], 6],
|
|
[6, 4, 3, [1, 2, 3, 4, 4, 5, 6], 10],
|
|
], arr, extender, 0);
|
|
|
|
var arr = [];
|
|
Object.defineProperty(arr, "0", { get: function() { delete this[0] },
|
|
configurable: true });
|
|
assertEquals(undefined, arr.reduce(function(val) { return val }));
|
|
|
|
var arr = [];
|
|
Object.defineProperty(arr, "0", { get: function() { delete this[0] },
|
|
configurable: true});
|
|
assertEquals(undefined, arr.reduceRight(function(val) { return val }));
|
|
|
|
|
|
(function ReduceRightMaxIndex() {
|
|
const kMaxIndex = 0xffffffff-1;
|
|
let array = [];
|
|
array[kMaxIndex-2] = 'value-2';
|
|
array[kMaxIndex-1] = 'value-1';
|
|
// Use the maximum array index possible.
|
|
array[kMaxIndex] = 'value';
|
|
// Add the next index which is a normal property and thus will not show up.
|
|
array[kMaxIndex+1] = 'normal property';
|
|
assertThrowsEquals( () => {
|
|
array.reduceRight((sum, value) => {
|
|
assertEquals('initial', sum);
|
|
assertEquals('value', value);
|
|
// Throw at this point as we would very slowly loop down from kMaxIndex.
|
|
throw 'do not continue';
|
|
}, 'initial')
|
|
}, 'do not continue');
|
|
})();
|
|
|
|
(function OptimizedReduce() {
|
|
let f = (a,current) => a + current;
|
|
let g = function(a) {
|
|
return a.reduce(f);
|
|
}
|
|
let a = [1,2,3,4,5,6,7,8,9,10];
|
|
g(a); g(a);
|
|
let total = g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
assertEquals(total, g(a));
|
|
})();
|
|
|
|
(function OptimizedReduceEmpty() {
|
|
let f = (a,current) => a + current;
|
|
let g = function(a) {
|
|
return a.reduce(f);
|
|
}
|
|
let a = [1,2,3,4,5,6,7,8,9,10];
|
|
g(a); g(a); g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(a);
|
|
assertThrows(() => g([]));
|
|
})();
|
|
|
|
(function OptimizedReduceLazyDeopt() {
|
|
let deopt = false;
|
|
let f = (a,current) => { if (deopt) %DeoptimizeNow(); return a + current; };
|
|
let g = function(a) {
|
|
return a.reduce(f);
|
|
}
|
|
let a = [1,2,3,4,5,6,7,8,9,10];
|
|
g(a); g(a);
|
|
let total = g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(a);
|
|
deopt = true;
|
|
assertEquals(total, g(a));
|
|
})();
|
|
|
|
(function OptimizedReduceLazyDeoptMiddleOfIteration() {
|
|
let deopt = false;
|
|
let f = (a,current) => {
|
|
if (current == 6 && deopt) %DeoptimizeNow();
|
|
return a + current;
|
|
};
|
|
let g = function(a) {
|
|
return a.reduce(f);
|
|
}
|
|
let a = [11,22,33,45,56,6,77,84,93,101];
|
|
g(a); g(a);
|
|
let total = g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(a);
|
|
deopt = true;
|
|
assertEquals(total, g(a));
|
|
})();
|
|
|
|
(function OptimizedReduceEagerDeoptMiddleOfIteration() {
|
|
let deopt = false;
|
|
let array = [11,22,33,45,56,6,77,84,93,101];
|
|
let f = (a,current) => {
|
|
if (current == 6 && deopt) {array[0] = 1.5; }
|
|
return a + current;
|
|
};
|
|
let g = function() {
|
|
return array.reduce(f);
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
g();
|
|
deopt = false;
|
|
array = [11,22,33,45,56,6,77,84,93,101];
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
assertEquals(total, g());
|
|
})();
|
|
|
|
(function OptimizedReduceEagerDeoptMiddleOfIterationHoley() {
|
|
let deopt = false;
|
|
let array = [, ,11,22,,33,45,56,,6,77,84,93,101,];
|
|
let f = (a,current) => {
|
|
if (current == 6 && deopt) {array[0] = 1.5; }
|
|
return a + current;
|
|
};
|
|
let g = function() {
|
|
return array.reduce(f);
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
g();
|
|
deopt = false;
|
|
array = [11,22,33,45,56,6,77,84,93,101];
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
assertEquals(total, g());
|
|
})();
|
|
|
|
(function TriggerReduceRightPreLoopDeopt() {
|
|
function f(a) {
|
|
a.reduceRight((x) => { return x + 1 });
|
|
}
|
|
f([1,2,]);
|
|
f([1,2,]);
|
|
%OptimizeFunctionOnNextCall(f);
|
|
assertThrows(() => f([]), TypeError);
|
|
})();
|
|
|
|
(function OptimizedReduceRightEagerDeoptMiddleOfIterationHoley() {
|
|
let deopt = false;
|
|
let array = [, ,11,22,,33,45,56,,6,77,84,93,101,];
|
|
let f = (a,current) => {
|
|
if (current == 6 && deopt) {array[array.length-1] = 1.5; }
|
|
return a + current;
|
|
};
|
|
let g = function() {
|
|
return array.reduceRight(f);
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
g();
|
|
deopt = false;
|
|
array = [11,22,33,45,56,6,77,84,93,101];
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
assertEquals(total, g());
|
|
})();
|
|
|
|
(function ReduceCatch() {
|
|
let f = (a,current) => {
|
|
return a + current;
|
|
};
|
|
let g = function() {
|
|
try {
|
|
return array.reduce(f);
|
|
} catch (e) {
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
g();
|
|
assertEquals(total, g());
|
|
})();
|
|
|
|
(function ReduceThrow() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduce(f);
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceThrow() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
%NeverOptimizeFunction(f);
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduce(f);
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceFinally() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduce(f);
|
|
} catch (e) {
|
|
} finally {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceFinallyNoInline() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
%NeverOptimizeFunction(f);
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduce(f);
|
|
} catch (e) {
|
|
} finally {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceNonCallableOpt() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
return array.reduce(f);
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(); g();
|
|
assertEquals(6, g());
|
|
f = null;
|
|
assertThrows(() => g());
|
|
})();
|
|
|
|
(function ReduceCatchInlineDeopt() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) {
|
|
%DeoptimizeNow();
|
|
throw "x";
|
|
}
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduce(f);
|
|
} catch (e) {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceFinallyInlineDeopt() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) {
|
|
%DeoptimizeNow();
|
|
throw "x";
|
|
}
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduce(f);
|
|
} catch (e) {
|
|
} finally {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function OptimizedReduceRight() {
|
|
let count = 0;
|
|
let f = (a,current,i) => a + current * ++count;
|
|
let g = function(a) {
|
|
count = 0;
|
|
return a.reduceRight(f);
|
|
}
|
|
let a = [1,2,3,4,5,6,7,8,9,10];
|
|
g(a); g(a);
|
|
let total = g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
assertEquals(total, g(a));
|
|
})();
|
|
|
|
(function OptimizedReduceEmpty() {
|
|
let count = 0;
|
|
let f = (a,current,i) => a + current * ++count;
|
|
let g = function(a) {
|
|
count = 0;
|
|
return a.reduceRight(f);
|
|
}
|
|
let a = [1,2,3,4,5,6,7,8,9,10];
|
|
g(a); g(a); g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(a);
|
|
assertThrows(() => g([]));
|
|
})();
|
|
|
|
(function OptimizedReduceLazyDeopt() {
|
|
let deopt = false;
|
|
let f = (a,current) => { if (deopt) %DeoptimizeNow(); return a + current; };
|
|
let g = function(a) {
|
|
return a.reduceRight(f);
|
|
}
|
|
let a = [1,2,3,4,5,6,7,8,9,10];
|
|
g(a); g(a);
|
|
let total = g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(a);
|
|
deopt = true;
|
|
assertEquals(total, g(a));
|
|
})();
|
|
|
|
(function OptimizedReduceLazyDeoptMiddleOfIteration() {
|
|
let deopt = false;
|
|
let f = (a,current) => {
|
|
if (current == 6 && deopt) %DeoptimizeNow();
|
|
return a + current;
|
|
};
|
|
let g = function(a) {
|
|
return a.reduceRight(f);
|
|
}
|
|
let a = [11,22,33,45,56,6,77,84,93,101];
|
|
g(a); g(a);
|
|
let total = g(a);
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(a);
|
|
deopt = true;
|
|
assertEquals(total, g(a));
|
|
})();
|
|
|
|
(function OptimizedReduceEagerDeoptMiddleOfIteration() {
|
|
let deopt = false;
|
|
let array = [11,22,33,45,56,6,77,84,93,101];
|
|
let f = (a,current) => {
|
|
if (current == 6 && deopt) {array[9] = 1.5; }
|
|
return a + current;
|
|
};
|
|
let g = function() {
|
|
return array.reduceRight(f);
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
g();
|
|
deopt = false;
|
|
array = [11,22,33,45,56,6,77,84,93,101];
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
deopt = true;
|
|
assertEquals(total, g());
|
|
})();
|
|
|
|
(function ReduceCatch() {
|
|
let f = (a,current) => {
|
|
return a + current;
|
|
};
|
|
let g = function() {
|
|
try {
|
|
return array.reduceRight(f);
|
|
} catch (e) {
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
g();
|
|
assertEquals(total, g());
|
|
})();
|
|
|
|
(function ReduceThrow() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduceRight(f);
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceThrow() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
%NeverOptimizeFunction(f);
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduceRight(f);
|
|
} catch (e) {
|
|
return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceFinally() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduceRight(f);
|
|
} catch (e) {
|
|
} finally {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceFinallyNoInline() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) throw "x";
|
|
return a + current;
|
|
};
|
|
%NeverOptimizeFunction(f);
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduceRight(f);
|
|
} catch (e) {
|
|
} finally {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceNonCallableOpt() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
return array.reduceRight(f);
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g(); g();
|
|
assertEquals(6, g());
|
|
f = null;
|
|
assertThrows(() => g());
|
|
})();
|
|
|
|
(function ReduceCatchInlineDeopt() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) {
|
|
%DeoptimizeNow();
|
|
throw "x";
|
|
}
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduceRight(f);
|
|
} catch (e) {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceFinallyInlineDeopt() {
|
|
let done = false;
|
|
let f = (a, current) => {
|
|
if (done) {
|
|
%DeoptimizeNow();
|
|
throw "x";
|
|
}
|
|
return a + current;
|
|
};
|
|
let array = [1,2,3];
|
|
let g = function() {
|
|
try {
|
|
return array.reduceRight(f);
|
|
} catch (e) {
|
|
} finally {
|
|
if (done) return null;
|
|
}
|
|
}
|
|
g(); g();
|
|
let total = g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
done = false;
|
|
g(); g();
|
|
%OptimizeFunctionOnNextCall(g);
|
|
g();
|
|
assertEquals(6, g());
|
|
done = true;
|
|
assertEquals(null, g());
|
|
})();
|
|
|
|
(function ReduceHoleyArrayWithDefaultAccumulator() {
|
|
var __v_12258 = new Array(10);
|
|
function __f_3253(a) {
|
|
let __f_3252 = function(accumulator, currentValue) {
|
|
return currentValue;
|
|
}
|
|
return a.reduce(__f_3252, 13);
|
|
}
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
%OptimizeFunctionOnNextCall(__f_3253);
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
})();
|
|
|
|
(function ReduceRightHoleyArrayWithDefaultAccumulator() {
|
|
var __v_12258 = new Array(10);
|
|
function __f_3253(a) {
|
|
let __f_3252 = function(accumulator, currentValue) {
|
|
return currentValue;
|
|
}
|
|
return a.reduceRight(__f_3252, 13);
|
|
}
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
%OptimizeFunctionOnNextCall(__f_3253);
|
|
assertEquals(13, __f_3253(__v_12258));
|
|
})();
|
|
|
|
(function ReduceHoleyArrayOneElementWithDefaultAccumulator() {
|
|
var __v_12258 = new Array(10);
|
|
__v_12258[1] = 5;
|
|
function __f_3253(a) {
|
|
let __f_3252 = function(accumulator, currentValue) {
|
|
return currentValue + accumulator;
|
|
}
|
|
return a.reduce(__f_3252, 13);
|
|
}
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
%OptimizeFunctionOnNextCall(__f_3253);
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
})();
|
|
|
|
(function ReduceRightHoleyArrayOneElementWithDefaultAccumulator() {
|
|
var __v_12258 = new Array(10);
|
|
__v_12258[1] = 5;
|
|
function __f_3253(a) {
|
|
let __f_3252 = function(accumulator, currentValue) {
|
|
return currentValue + accumulator;
|
|
}
|
|
return a.reduceRight(__f_3252, 13);
|
|
}
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
%OptimizeFunctionOnNextCall(__f_3253);
|
|
assertEquals(18, __f_3253(__v_12258));
|
|
})();
|
|
|
|
(function ReduceMixedHoleyArrays() {
|
|
function r(a) {
|
|
return a.reduce((acc, i) => {acc[0]});
|
|
}
|
|
r([[0]]);
|
|
r([[0]]);
|
|
r([0,,]);
|
|
%OptimizeFunctionOnNextCall(r);
|
|
r([,0,0]);
|
|
})();
|