This test checks the behavior of the reduce() method on a number of objects.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS [0,1,2,3].reduce(function(a,b){ return a + b; }) is 6
PASS [1,2,3].reduce(function(a,b){ return a + b; }) is 6
PASS [0,1,2,3].reduce(function(a,b){ return a + b; }, 4) is 10
PASS [1,2,3].reduce(function(a,b){ return a + b; }, 4) is 10
PASS toObject([0,1,2,3]).reduce(function(a,b){ return a + b; }) is 6
PASS toObject([1,2,3]).reduce(function(a,b){ return a + b; }) is 6
PASS toObject([0,1,2,3]).reduce(function(a,b){ return a + b; }, 4) is 10
PASS toObject([1,2,3]).reduce(function(a,b){ return a + b; }, 4) is 10
PASS toUnorderedObject([0,1,2,3]).reduce(function(a,b){ return a + b; }) is 6
PASS toUnorderedObject([1,2,3]).reduce(function(a,b){ return a + b; }) is 6
PASS toUnorderedObject([0,1,2,3]).reduce(function(a,b){ return a + b; }, 4) is 10
PASS toUnorderedObject([1,2,3]).reduce(function(a,b){ return a + b; }, 4) is 10
PASS sparseArray.reduce(function(a,b){ return a + b; }, 0) is 10
PASS toObject(sparseArray).reduce(function(a,b){ return a + b; }, 0) is 10
PASS sparseArray.reduce(function(a,b){ callCount++; }); callCount is 0
PASS toObject(sparseArray).reduce(function(a,b){ callCount++; }); callCount is 0
PASS sparseArray.reduce(function(a,b){ callCount++; }, 0); callCount is 1
PASS toObject(sparseArray).reduce(function(a,b){ callCount++; }, 0); callCount is 1
PASS [0,1,2,3,4].reduce(function(a,b){ callCount++; }, 0); callCount is 5
PASS [0,1,2,3,4].reduce(function(a,b){ callCount++; }); callCount is 4
PASS [1, 2, 3, 4].reduce(function(a,b, i, thisObj){ thisObj.length--; callCount++; return a + b; }, 0); callCount is 2
PASS [1, 2, 3, 4].reduce(function(a,b, i, thisObj){ thisObj.length++; callCount++; return a + b; }, 0); callCount is 4
PASS toObject([1, 2, 3, 4]).reduce(function(a,b, i, thisObj){ thisObj.length--; callCount++; return a + b; }, 0); callCount is 4
PASS toObject([1, 2, 3, 4]).reduce(function(a,b, i, thisObj){ thisObj.length++; callCount++; return a + b; }, 0); callCount is 4
PASS [[0,1], [2,3], [4,5]].reduce(function(a,b) {return a.concat(b);}, []) is [0,1,2,3,4,5]
PASS toObject([[0,1], [2,3], [4,5]]).reduce(function(a,b) {return a.concat(b);}, []) is [0,1,2,3,4,5]
PASS toObject([0,1,2,3,4,5]).reduce(function(a,b,i) {return a.concat([i,b]);}, []) is [0,0,1,1,2,2,3,3,4,4,5,5]
PASS toUnorderedObject([[0,1], [2,3], [4,5]]).reduce(function(a,b) {return a.concat(b);}, []) is [0,1,2,3,4,5]
PASS toUnorderedObject([0,1,2,3,4,5]).reduce(function(a,b,i) {return a.concat([i,b]);}, []) is [0,0,1,1,2,2,3,3,4,4,5,5]
PASS [0,1,2,3,4,5].reduce(function(a,b,i) {return a.concat([i,b]);}, []) is [0,0,1,1,2,2,3,3,4,4,5,5]
PASS [2,3].reduce(function() {'use strict'; return this;}) is undefined
PASS Array.prototype.reduce.call(negativeLengthObject, function (a, b) { return a + b; }, 100) is 100
PASS successfullyParsed is true

TEST COMPLETE