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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /devtools/shared/sourcemap/tests/unit/test_quick_sort.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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@@ -0,0 +1,228 @@
+function run_test() {
+ for (var k in SOURCE_MAP_TEST_MODULE) {
+ if (/^test/.test(k)) {
+ SOURCE_MAP_TEST_MODULE[k](assert);
+ }
+ }
+}
+
+
+var SOURCE_MAP_TEST_MODULE =
+/******/ (function(modules) { // webpackBootstrap
+/******/ // The module cache
+/******/ var installedModules = {};
+/******/
+/******/ // The require function
+/******/ function __webpack_require__(moduleId) {
+/******/
+/******/ // Check if module is in cache
+/******/ if(installedModules[moduleId])
+/******/ return installedModules[moduleId].exports;
+/******/
+/******/ // Create a new module (and put it into the cache)
+/******/ var module = installedModules[moduleId] = {
+/******/ exports: {},
+/******/ id: moduleId,
+/******/ loaded: false
+/******/ };
+/******/
+/******/ // Execute the module function
+/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
+/******/
+/******/ // Flag the module as loaded
+/******/ module.loaded = true;
+/******/
+/******/ // Return the exports of the module
+/******/ return module.exports;
+/******/ }
+/******/
+/******/
+/******/ // expose the modules object (__webpack_modules__)
+/******/ __webpack_require__.m = modules;
+/******/
+/******/ // expose the module cache
+/******/ __webpack_require__.c = installedModules;
+/******/
+/******/ // __webpack_public_path__
+/******/ __webpack_require__.p = "";
+/******/
+/******/ // Load entry module and return exports
+/******/ return __webpack_require__(0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ function(module, exports, __webpack_require__) {
+
+ /* -*- Mode: js; js-indent-level: 2; -*- */
+ /*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+ {
+ var quickSort = __webpack_require__(1).quickSort;
+
+ function numberCompare(a, b) {
+ return a - b;
+ }
+
+ exports['test sorting sorted array'] = function (assert) {
+ var ary = [0,1,2,3,4,5,6,7,8,9];
+
+ var quickSorted = ary.slice();
+ quickSort(quickSorted, numberCompare);
+
+ assert.equal(JSON.stringify(ary),
+ JSON.stringify(quickSorted));
+ };
+
+ exports['test sorting reverse-sorted array'] = function (assert) {
+ var ary = [9,8,7,6,5,4,3,2,1,0];
+
+ var quickSorted = ary.slice();
+ quickSort(quickSorted, numberCompare);
+
+ assert.equal(JSON.stringify(ary.sort(numberCompare)),
+ JSON.stringify(quickSorted));
+ };
+
+ exports['test sorting unsorted array'] = function (assert) {
+ var ary = [];
+ for (var i = 0; i < 10; i++) {
+ ary.push(Math.random());
+ }
+
+ var quickSorted = ary.slice();
+ quickSort(quickSorted, numberCompare);
+
+ assert.equal(JSON.stringify(ary.sort(numberCompare)),
+ JSON.stringify(quickSorted));
+ };
+ }
+
+
+/***/ },
+/* 1 */
+/***/ function(module, exports) {
+
+ /* -*- Mode: js; js-indent-level: 2; -*- */
+ /*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+ {
+ // It turns out that some (most?) JavaScript engines don't self-host
+ // `Array.prototype.sort`. This makes sense because C++ will likely remain
+ // faster than JS when doing raw CPU-intensive sorting. However, when using a
+ // custom comparator function, calling back and forth between the VM's C++ and
+ // JIT'd JS is rather slow *and* loses JIT type information, resulting in
+ // worse generated code for the comparator function than would be optimal. In
+ // fact, when sorting with a comparator, these costs outweigh the benefits of
+ // sorting in C++. By using our own JS-implemented Quick Sort (below), we get
+ // a ~3500ms mean speed-up in `bench/bench.html`.
+
+ /**
+ * Swap the elements indexed by `x` and `y` in the array `ary`.
+ *
+ * @param {Array} ary
+ * The array.
+ * @param {Number} x
+ * The index of the first item.
+ * @param {Number} y
+ * The index of the second item.
+ */
+ function swap(ary, x, y) {
+ var temp = ary[x];
+ ary[x] = ary[y];
+ ary[y] = temp;
+ }
+
+ /**
+ * Returns a random integer within the range `low .. high` inclusive.
+ *
+ * @param {Number} low
+ * The lower bound on the range.
+ * @param {Number} high
+ * The upper bound on the range.
+ */
+ function randomIntInRange(low, high) {
+ return Math.round(low + (Math.random() * (high - low)));
+ }
+
+ /**
+ * The Quick Sort algorithm.
+ *
+ * @param {Array} ary
+ * An array to sort.
+ * @param {function} comparator
+ * Function to use to compare two items.
+ * @param {Number} p
+ * Start index of the array
+ * @param {Number} r
+ * End index of the array
+ */
+ function doQuickSort(ary, comparator, p, r) {
+ // If our lower bound is less than our upper bound, we (1) partition the
+ // array into two pieces and (2) recurse on each half. If it is not, this is
+ // the empty array and our base case.
+
+ if (p < r) {
+ // (1) Partitioning.
+ //
+ // The partitioning chooses a pivot between `p` and `r` and moves all
+ // elements that are less than or equal to the pivot to the before it, and
+ // all the elements that are greater than it after it. The effect is that
+ // once partition is done, the pivot is in the exact place it will be when
+ // the array is put in sorted order, and it will not need to be moved
+ // again. This runs in O(n) time.
+
+ // Always choose a random pivot so that an input array which is reverse
+ // sorted does not cause O(n^2) running time.
+ var pivotIndex = randomIntInRange(p, r);
+ var i = p - 1;
+
+ swap(ary, pivotIndex, r);
+ var pivot = ary[r];
+
+ // Immediately after `j` is incremented in this loop, the following hold
+ // true:
+ //
+ // * Every element in `ary[p .. i]` is less than or equal to the pivot.
+ //
+ // * Every element in `ary[i+1 .. j-1]` is greater than the pivot.
+ for (var j = p; j < r; j++) {
+ if (comparator(ary[j], pivot) <= 0) {
+ i += 1;
+ swap(ary, i, j);
+ }
+ }
+
+ swap(ary, i + 1, j);
+ var q = i + 1;
+
+ // (2) Recurse on each half.
+
+ doQuickSort(ary, comparator, p, q - 1);
+ doQuickSort(ary, comparator, q + 1, r);
+ }
+ }
+
+ /**
+ * Sort the given array in-place with the given comparator function.
+ *
+ * @param {Array} ary
+ * An array to sort.
+ * @param {function} comparator
+ * Function to use to compare two items.
+ */
+ exports.quickSort = function (ary, comparator) {
+ doQuickSort(ary, comparator, 0, ary.length - 1);
+ };
+ }
+
+
+/***/ }
+/******/ ]);
+//# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["webpack:///webpack/bootstrap c53a94da5da796c0a2b0","webpack:///./test/test-quick-sort.js","webpack:///./lib/quick-sort.js"],"names":[],"mappings":";;;;;;;;;;;AAAA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;AACA,uBAAe;AACf;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;;AAGA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;;;;;;;ACtCA,iBAAgB,oBAAoB;AACpC;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;;AAEA;AACA;AACA,oBAAmB,QAAQ;AAC3B;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;;;;;;;AC7CA,iBAAgB,oBAAoB;AACpC;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,cAAa,MAAM;AACnB;AACA,cAAa,OAAO;AACpB;AACA,cAAa,OAAO;AACpB;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,cAAa,OAAO;AACpB;AACA,cAAa,OAAO;AACpB;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,cAAa,MAAM;AACnB;AACA,cAAa,SAAS;AACtB;AACA,cAAa,OAAO;AACpB;AACA,cAAa,OAAO;AACpB;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA,sBAAqB,OAAO;AAC5B;AACA;AACA;AACA;AACA;;AAEA;AACA;;AAEA;;AAEA;AACA;AACA;AACA;;AAEA;AACA;AACA;AACA,cAAa,MAAM;AACnB;AACA,cAAa,SAAS;AACtB;AACA;AACA;AACA;AACA;AACA","file":"test_quick_sort.js","sourcesContent":[" \t// The module cache\n \tvar installedModules = {};\n\n \t// The require function\n \tfunction __webpack_require__(moduleId) {\n\n \t\t// Check if module is in cache\n \t\tif(installedModules[moduleId])\n \t\t\treturn installedModules[moduleId].exports;\n\n \t\t// Create a new module (and put it into the cache)\n \t\tvar module = installedModules[moduleId] = {\n \t\t\texports: {},\n \t\t\tid: moduleId,\n \t\t\tloaded: false\n \t\t};\n\n \t\t// Execute the module function\n \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n \t\t// Flag the module as loaded\n \t\tmodule.loaded = true;\n\n \t\t// Return the exports of the module\n \t\treturn module.exports;\n \t}\n\n\n \t// expose the modules object (__webpack_modules__)\n \t__webpack_require__.m = modules;\n\n \t// expose the module cache\n \t__webpack_require__.c = installedModules;\n\n \t// __webpack_public_path__\n \t__webpack_require__.p = \"\";\n\n \t// Load entry module and return exports\n \treturn __webpack_require__(0);\n\n\n\n/** WEBPACK FOOTER **\n ** webpack/bootstrap c53a94da5da796c0a2b0\n **/","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n{\n  var quickSort = require('../lib/quick-sort').quickSort;\n\n  function numberCompare(a, b) {\n    return a - b;\n  }\n\n  exports['test sorting sorted array'] = function (assert) {\n    var ary = [0,1,2,3,4,5,6,7,8,9];\n\n    var quickSorted = ary.slice();\n    quickSort(quickSorted, numberCompare);\n\n    assert.equal(JSON.stringify(ary),\n                 JSON.stringify(quickSorted));\n  };\n\n  exports['test sorting reverse-sorted array'] = function (assert) {\n    var ary = [9,8,7,6,5,4,3,2,1,0];\n\n    var quickSorted = ary.slice();\n    quickSort(quickSorted, numberCompare);\n\n    assert.equal(JSON.stringify(ary.sort(numberCompare)),\n                 JSON.stringify(quickSorted));\n  };\n\n  exports['test sorting unsorted array'] = function (assert) {\n    var ary = [];\n    for (var i = 0; i < 10; i++) {\n      ary.push(Math.random());\n    }\n\n    var quickSorted = ary.slice();\n    quickSort(quickSorted, numberCompare);\n\n    assert.equal(JSON.stringify(ary.sort(numberCompare)),\n                 JSON.stringify(quickSorted));\n  };\n}\n\n\n\n/*****************\n ** WEBPACK FOOTER\n ** ./test/test-quick-sort.js\n ** module id = 0\n ** module chunks = 0\n **/","/* -*- Mode: js; js-indent-level: 2; -*- */\n/*\n * Copyright 2011 Mozilla Foundation and contributors\n * Licensed under the New BSD license. See LICENSE or:\n * http://opensource.org/licenses/BSD-3-Clause\n */\n{\n  // It turns out that some (most?) JavaScript engines don't self-host\n  // `Array.prototype.sort`. This makes sense because C++ will likely remain\n  // faster than JS when doing raw CPU-intensive sorting. However, when using a\n  // custom comparator function, calling back and forth between the VM's C++ and\n  // JIT'd JS is rather slow *and* loses JIT type information, resulting in\n  // worse generated code for the comparator function than would be optimal. In\n  // fact, when sorting with a comparator, these costs outweigh the benefits of\n  // sorting in C++. By using our own JS-implemented Quick Sort (below), we get\n  // a ~3500ms mean speed-up in `bench/bench.html`.\n\n  /**\n   * Swap the elements indexed by `x` and `y` in the array `ary`.\n   *\n   * @param {Array} ary\n   *        The array.\n   * @param {Number} x\n   *        The index of the first item.\n   * @param {Number} y\n   *        The index of the second item.\n   */\n  function swap(ary, x, y) {\n    var temp = ary[x];\n    ary[x] = ary[y];\n    ary[y] = temp;\n  }\n\n  /**\n   * Returns a random integer within the range `low .. high` inclusive.\n   *\n   * @param {Number} low\n   *        The lower bound on the range.\n   * @param {Number} high\n   *        The upper bound on the range.\n   */\n  function randomIntInRange(low, high) {\n    return Math.round(low + (Math.random() * (high - low)));\n  }\n\n  /**\n   * The Quick Sort algorithm.\n   *\n   * @param {Array} ary\n   *        An array to sort.\n   * @param {function} comparator\n   *        Function to use to compare two items.\n   * @param {Number} p\n   *        Start index of the array\n   * @param {Number} r\n   *        End index of the array\n   */\n  function doQuickSort(ary, comparator, p, r) {\n    // If our lower bound is less than our upper bound, we (1) partition the\n    // array into two pieces and (2) recurse on each half. If it is not, this is\n    // the empty array and our base case.\n\n    if (p < r) {\n      // (1) Partitioning.\n      //\n      // The partitioning chooses a pivot between `p` and `r` and moves all\n      // elements that are less than or equal to the pivot to the before it, and\n      // all the elements that are greater than it after it. The effect is that\n      // once partition is done, the pivot is in the exact place it will be when\n      // the array is put in sorted order, and it will not need to be moved\n      // again. This runs in O(n) time.\n\n      // Always choose a random pivot so that an input array which is reverse\n      // sorted does not cause O(n^2) running time.\n      var pivotIndex = randomIntInRange(p, r);\n      var i = p - 1;\n\n      swap(ary, pivotIndex, r);\n      var pivot = ary[r];\n\n      // Immediately after `j` is incremented in this loop, the following hold\n      // true:\n      //\n      //   * Every element in `ary[p .. i]` is less than or equal to the pivot.\n      //\n      //   * Every element in `ary[i+1 .. j-1]` is greater than the pivot.\n      for (var j = p; j < r; j++) {\n        if (comparator(ary[j], pivot) <= 0) {\n          i += 1;\n          swap(ary, i, j);\n        }\n      }\n\n      swap(ary, i + 1, j);\n      var q = i + 1;\n\n      // (2) Recurse on each half.\n\n      doQuickSort(ary, comparator, p, q - 1);\n      doQuickSort(ary, comparator, q + 1, r);\n    }\n  }\n\n  /**\n   * Sort the given array in-place with the given comparator function.\n   *\n   * @param {Array} ary\n   *        An array to sort.\n   * @param {function} comparator\n   *        Function to use to compare two items.\n   */\n  exports.quickSort = function (ary, comparator) {\n    doQuickSort(ary, comparator, 0, ary.length - 1);\n  };\n}\n\n\n\n/*****************\n ** WEBPACK FOOTER\n ** ./lib/quick-sort.js\n ** module id = 1\n ** module chunks = 0\n **/"],"sourceRoot":""} \ No newline at end of file