Revert of Collect type profile for DevTools.

test/inspector/type-profile/collect-type-profile-array-splice.js

-// Copyright 2017 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Flags: --type-profile
-
-// Add mjsunit/array-splice.js as integration test for type profile.
-const expression = `
-function assertEquals() {
-}
-function assertFalse() {
-}
-function assertTrue() {
-}
-
-// Check that splicing array of holes keeps it as array of holes
-(function() {
-  for (var i = 0; i < 7; i++) {
-    var array = new Array(10);
-    var spliced = array.splice(1, 1, 'one', 'two');
-    assertEquals(1, spliced.length);
-    assertFalse(0 in spliced, "0 in spliced");
-
-    assertEquals(11, array.length);
-    assertFalse(0 in array, "0 in array");
-    assertTrue(1 in array);
-    assertTrue(2 in array);
-    assertFalse(3 in array, "3 in array");
-  }
-})();
-
-
-// Check various variants of empty array's splicing.
-(function() {
-  for (var i = 0; i < 7; i++) {
-    assertEquals([], [].splice(0, 0));
-    assertEquals([], [].splice(1, 0));
-    assertEquals([], [].splice(0, 1));
-    assertEquals([], [].splice(-1, 0));
-  }
-})();
-
-
-// Check that even if result array is empty, receiver gets sliced.
-(function() {
-  for (var i = 0; i < 7; i++) {
-    var a = [1, 2, 3];
-    assertEquals([], a.splice(1, 0, 'a', 'b', 'c'));
-    assertEquals([1, 'a', 'b', 'c', 2, 3], a);
-  }
-})();
-
-
-// Check various forms of arguments omission.
-(function() {
-  var array;
-  for (var i = 0; i < 7; i++) {
-    array = [1, 2, 3]
-    assertEquals([], array.splice());
-    assertEquals([1, 2, 3], array);
-
-    // SpiderMonkey, TraceMonkey and JSC treat the case where no delete count is
-    // given differently from when an undefined delete count is given.
-    // This does not follow ECMA-262, but we do the same for
-    // compatibility.
-    array = [1, 2, 3]
-    assertEquals([1, 2, 3], array.splice(0));
-    assertEquals([], array);
-
-    array = [1, 2, 3]
-    assertEquals([1, 2, 3], array.splice(undefined));
-    assertEquals([], array);
-
-    array = [1, 2, 3]
-    assertEquals([1, 2, 3], array.splice("foobar"));
-    assertEquals([], array);
-
-    array = [1, 2, 3]
-    assertEquals([], array.splice(undefined, undefined));
-    assertEquals([1, 2, 3], array);
-
-    array = [1, 2, 3]
-    assertEquals([], array.splice("foobar", undefined));
-    assertEquals([1, 2, 3], array);
-
-    array = [1, 2, 3]
-    assertEquals([], array.splice(undefined, "foobar"));
-    assertEquals([1, 2, 3], array);
-
-    array = [1, 2, 3]
-    assertEquals([], array.splice("foobar", "foobar"));
-    assertEquals([1, 2, 3], array);
-  }
-})();
-
-
-// Check variants of negatives and positive indices.
-(function() {
-  var array, spliced;
-  for (var i = 0; i < 7; i++) {
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(-100);
-    assertEquals([], array);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(-1e100);
-    assertEquals([], array);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(-3);
-    assertEquals([1, 2, 3, 4], array);
-    assertEquals([5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(-3.999999);
-    assertEquals([1, 2, 3, 4], array);
-    assertEquals([5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(-3.000001);
-    assertEquals([1, 2, 3, 4], array);
-    assertEquals([5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(4);
-    assertEquals([1, 2, 3, 4], array);
-    assertEquals([5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(4.999999);
-    assertEquals([1, 2, 3, 4], array);
-    assertEquals([5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(4.000001);
-    assertEquals([1, 2, 3, 4], array);
-    assertEquals([5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(6);
-    assertEquals([1, 2, 3, 4, 5, 6], array);
-    assertEquals([7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(7);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(8);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(100);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(1e100);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, -100);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, -1e100);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, -3);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, -3.999999);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, -3.000001);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], array);
-    assertEquals([], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 4);
-    assertEquals([5, 6, 7], array);
-    assertEquals([1, 2, 3, 4], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 4.999999);
-    assertEquals([5, 6, 7], array);
-    assertEquals([1, 2, 3, 4], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 4.000001);
-    assertEquals([5, 6, 7], array);
-    assertEquals([1, 2, 3, 4], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 6);
-    assertEquals([7], array);
-    assertEquals([1, 2, 3, 4, 5, 6], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 7);
-    assertEquals([], array);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 8);
-    assertEquals([], array);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 100);
-    assertEquals([], array);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
-
-    array = [1, 2, 3, 4, 5, 6, 7];
-    spliced = array.splice(0, 1e100);
-    assertEquals([], array);
-    assertEquals([1, 2, 3, 4, 5, 6, 7], spliced);
-
-    // Some exotic cases.
-    obj = { toString: function() { throw 'Exception'; } };
-
-    // Throwing an exception in conversion:
-    try {
-      [1, 2, 3].splice(obj, 3);
-      throw 'Should have thrown';
-    } catch (e) {
-      assertEquals('Exception', e);
-    }
-
-    try {
-      [1, 2, 3].splice(0, obj, 3);
-      throw 'Should have thrown';
-    } catch (e) {
-      assertEquals('Exception', e);
-    }
-
-    array = [1, 2, 3];
-    array.splice(0, 3, obj);
-    assertEquals(1, array.length);
-
-    // Custom conversion:
-    array = [1, 2, 3];
-    spliced = array.splice({valueOf: function() { return 1; }},
-      {toString: function() { return 2; }},
-      'one', 'two');
-    assertEquals([2, 3], spliced);
-    assertEquals([1, 'one', 'two'], array);
-  }
-})();
-
-
-// Nasty: modify the array in ToInteger.
-(function() {
-  var array = [];
-  var spliced;
-
-  for (var i = 0; i < 13; i++) {
-    bad_start = { valueOf: function() { array.push(2*i); return -1; } };
-    bad_count = { valueOf: function() { array.push(2*i + 1); return 1; } };
-    spliced = array.splice(bad_start, bad_count);
-    // According to the spec (15.4.4.12), length is calculated before
-    // performing ToInteger on arguments.  However, v8 ignores elements
-    // we add while converting, so we need corrective pushes.
-    array.push(2*i); array.push(2*i + 1);
-    if (i == 0) {
-      assertEquals([], spliced);  // Length was 0, nothing to get.
-      assertEquals([0, 1], array);
-    } else {
-      // When we start splice, array is [0 .. 2*i - 1], so we get
-      // as a result [2*i], this element is removed from the array,
-      // but [2 * i, 2 * i + 1] are added.
-      assertEquals([2 * i - 1], spliced);
-      assertEquals(2 * i, array[i]);
-      assertEquals(2 * i + 1, array[i + 1]);
-    }
-  }
-})();
-
-// Check the behaviour when approaching maximal values for length.
-(function() {
-  for (var i = 0; i < 7; i++) {
-    try {
-      new Array(Math.pow(2, 32) - 3).splice(-1, 0, 1, 2, 3, 4, 5);
-      throw 'Should have thrown RangeError';
-    } catch (e) {
-      assertTrue(e instanceof RangeError);
-    }
-
-    // Check smi boundary
-    var bigNum = (1 << 30) - 3;
-    var array = new Array(bigNum);
-    array.splice(-1, 0, 1, 2, 3, 4, 5, 6, 7);
-    assertEquals(bigNum + 7, array.length);
-  }
-})();
-
-(function() {
-  for (var i = 0; i < 7; i++) {
-    var a = [7, 8, 9];
-    a.splice(0, 0, 1, 2, 3, 4, 5, 6);
-    assertEquals([1, 2, 3, 4, 5, 6, 7, 8, 9], a);
-    assertFalse(a.hasOwnProperty(10), "a.hasOwnProperty(10)");
-    assertEquals(undefined, a[10]);
-  }
-})();
-
-(function testSpliceDeleteDouble() {
-  var a = [1.1, 1.2, 1.3, 1.4];
-  a.splice(2, 1)
-  assertEquals([1.1, 1.2, 1.4], a);
-})();
-
-// Past this point the ArrayProtector is invalidated since we modify the
-// Array.prototype.
-
-// Check the case of JS builtin .splice()
-(function() {
-  for (var i = 0; i < 7; i++) {
-    var array = [1, 2, 3, 4];
-    Array.prototype[3] = 'foo';  // To force JS builtin.
-
-    var spliced = array.splice();
-
-    assertEquals([], spliced);
-    assertEquals([1, 2, 3, 4], array);
-  }
-})();
-
-// Now check the case with array of holes and some elements on prototype.
-(function() {
-  var len = 9;
-
-  var at3 = "@3";
-  var at7 = "@7";
-
-  for (var i = 0; i < 7; i++) {
-    var array = new Array(len);
-    var array_proto = [];
-    array_proto[3] = at3;
-    array_proto[7] = at7;
-    array.__proto__ = array_proto;
-
-    var spliced = array.splice(2, 2, 'one', undefined, 'two');
-
-    // Second hole (at index 3) of array turns into
-    // value of Array.prototype[3] while copying.
-    assertEquals([, at3], spliced);
-    assertEquals([, , 'one', undefined, 'two', , , at7, at7, ,], array);
-
-    // ... but array[3] and array[7] is actually a hole:
-    assertTrue(delete array_proto[3]);
-    assertEquals(undefined, array[3]);
-    assertTrue(delete array_proto[7]);
-    assertEquals(undefined, array[7]);
-
-    // and now check hasOwnProperty
-    assertFalse(array.hasOwnProperty(0), "array.hasOwnProperty(0)");
-    assertFalse(array.hasOwnProperty(1), "array.hasOwnProperty(1)");
-    assertTrue(array.hasOwnProperty(2));
-    assertTrue(array.hasOwnProperty(3));
-    assertTrue(array.hasOwnProperty(4));
-    assertFalse(array.hasOwnProperty(5), "array.hasOwnProperty(5)");
-    assertFalse(array.hasOwnProperty(6), "array.hasOwnProperty(6)");
-    assertFalse(array.hasOwnProperty(7), "array.hasOwnProperty(7)");
-    assertTrue(array.hasOwnProperty(8));
-    assertFalse(array.hasOwnProperty(9), "array.hasOwnProperty(9)");
-
-    // and now check couple of indices above length.
-    assertFalse(array.hasOwnProperty(10), "array.hasOwnProperty(10)");
-    assertFalse(array.hasOwnProperty(15), "array.hasOwnProperty(15)");
-    assertFalse(array.hasOwnProperty(31), "array.hasOwnProperty(31)");
-    assertFalse(array.hasOwnProperty(63), "array.hasOwnProperty(63)");
-    assertFalse(array.hasOwnProperty(Math.pow(2, 32) - 2),
-      "array.hasOwnProperty(Math.pow(2, 32) - 2)");
-  }
-})();
-
-// Now check the case with array of holes and some elements on prototype.
-(function() {
-  var len = 9;
-
-  var at3 = "@3";
-  var at7 = "@7";
-
-  for (var i = 0; i < 7; i++) {
-    var array = new Array(len);
-    Array.prototype[3] = at3;
-    Array.prototype[7] = at7;
-
-    var spliced = array.splice(2, 2, 'one', undefined, 'two');
-
-    // Second hole (at index 3) of array turns into
-    // value of Array.prototype[3] while copying.
-    assertEquals([, at3], spliced);
-    assertEquals([, , 'one', undefined, 'two', , , at7, at7, ,], array);
-
-    // ... but array[3] and array[7] is actually a hole:
-    assertTrue(delete Array.prototype[3]);
-    assertEquals(undefined, array[3]);
-    assertTrue(delete Array.prototype[7]);
-    assertEquals(undefined, array[7]);
-
-    // and now check hasOwnProperty
-    assertFalse(array.hasOwnProperty(0), "array.hasOwnProperty(0)");
-    assertFalse(array.hasOwnProperty(1), "array.hasOwnProperty(1)");
-    assertTrue(array.hasOwnProperty(2));
-    assertTrue(array.hasOwnProperty(3));
-    assertTrue(array.hasOwnProperty(4));
-    assertFalse(array.hasOwnProperty(5), "array.hasOwnProperty(5)");
-    assertFalse(array.hasOwnProperty(6), "array.hasOwnProperty(6)");
-    assertFalse(array.hasOwnProperty(7), "array.hasOwnProperty(7)");
-    assertTrue(array.hasOwnProperty(8));
-    assertFalse(array.hasOwnProperty(9), "array.hasOwnProperty(9)");
-
-    // and now check couple of indices above length.
-    assertFalse(array.hasOwnProperty(10), "array.hasOwnProperty(10)");
-    assertFalse(array.hasOwnProperty(15), "array.hasOwnProperty(15)");
-    assertFalse(array.hasOwnProperty(31), "array.hasOwnProperty(31)");
-    assertFalse(array.hasOwnProperty(63), "array.hasOwnProperty(63)");
-    assertFalse(array.hasOwnProperty(Math.pow(2, 32) - 2),
-      "array.hasOwnProperty(Math.pow(2, 32) - 2)");
-  }
-})();`;
-
-
-
-Protocol.Runtime.evaluate({ expression: expression })
-.then(function() {InspectorTest.completeTest();});