michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/licenses/publicdomain/ */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 911147;
michael@0: var summary = 'Array.prototype.fill';
michael@0: 
michael@0: print(BUGNUMBER + ": " + summary);
michael@0: 
michael@0: /**************
michael@0:  * BEGIN TEST *
michael@0:  **************/
michael@0: 
michael@0: assertEq(typeof [].fill, 'function');
michael@0: assertEq([].fill.length, 1);
michael@0: 
michael@0: // Default values for arguments and absolute values for negative start and end
michael@0: // arguments are resolved correctly.
michael@0: assertDeepEq([].fill(1), []);
michael@0: assertDeepEq([1,1,1].fill(2), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 1), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 1, 2), [1,2,1]);
michael@0: assertDeepEq([1,1,1].fill(2, -2), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, -2, -1), [1,2,1]);
michael@0: assertDeepEq([1,1,1].fill(2, undefined), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, undefined, undefined), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 1, undefined), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, undefined, 1), [2,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, 2, 1), [1,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, -1, 1), [1,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, -2, 1), [1,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, 1, -2), [1,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, 0.1), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 0.9), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 1.1), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 0.1, 0.9), [1,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, 0.1, 1.9), [2,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, 0.1, 1.9), [2,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, -0), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 0, -0), [1,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, NaN), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 0, NaN), [1,1,1]);
michael@0: assertDeepEq([1,1,1].fill(2, false), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, true), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, "0"), [2,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, "1"), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, "-2"), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, "-2", "-1"), [1,2,1]);
michael@0: assertDeepEq([1,1,1].fill(2, {valueOf: ()=>1}), [1,2,2]);
michael@0: assertDeepEq([1,1,1].fill(2, 0, {valueOf: ()=>1}), [2,1,1]);
michael@0: 
michael@0: // fill works generically for objects, too.
michael@0: assertDeepEq([].fill.call({length: 2}, 2), {0: 2, 1: 2, length: 2});
michael@0: 
michael@0: var setterCalled = false;
michael@0: var objWithSetter = {set "0"(val) { setterCalled = true}, length: 1};
michael@0: [].fill.call(objWithSetter, 2);
michael@0: assertEq(setterCalled, true);
michael@0: 
michael@0: var setHandlerCallCount = 0;
michael@0: var proxy = new Proxy({length: 3}, {set: function(value) {setHandlerCallCount++;}});
michael@0: [].fill.call(proxy, 2);
michael@0: assertEq(setHandlerCallCount, 3);
michael@0: 
michael@0: var valueOfCallCount = 0;
michael@0: var typedArray = new Uint8ClampedArray(3);
michael@0: [].fill.call(typedArray, {valueOf: function() {valueOfCallCount++; return 2000;}});
michael@0: assertEq(valueOfCallCount, 3);
michael@0: assertEq(typedArray[0], 0xff);
michael@0: 
michael@0: // All remaining cases should throw.
michael@0: var objWithGetterOnly = {get "0"() {return 1;}, length: 1};
michael@0: 
michael@0: var objWithReadOnlyProp = {length: 1};
michael@0: Object.defineProperty(objWithReadOnlyProp, 0, {value: 1, writable: false});
michael@0: 
michael@0: var objWithNonconfigurableProp = {length: 1};
michael@0: Object.defineProperty(objWithNonconfigurableProp, 0, {value: 1, configurable: false});
michael@0: 
michael@0: var frozenObj = {length: 1};
michael@0: Object.freeze(frozenObj);
michael@0: 
michael@0: var frozenArray = [1, 1, 1];
michael@0: Object.freeze(frozenArray);
michael@0: 
michael@0: assertThrowsInstanceOf(() => [].fill.call(objWithGetterOnly, 2), TypeError);
michael@0: assertThrowsInstanceOf(() => [].fill.call(objWithReadOnlyProp, 2), TypeError);
michael@0: assertThrowsInstanceOf(() => [].fill.call(objWithNonconfigurableProp, 2), TypeError);
michael@0: assertThrowsInstanceOf(() => [].fill.call(frozenObj, 2), TypeError);
michael@0: assertThrowsInstanceOf(() => [].fill.call(frozenArray, 2), TypeError);
michael@0: assertThrowsInstanceOf(() => [].fill.call("111", 2), TypeError);
michael@0: assertThrowsInstanceOf(() => [].fill.call(null, 2), TypeError);
michael@0: assertThrowsInstanceOf(() => [].fill.call(undefined, 2), TypeError);
michael@0: 
michael@0: if (typeof reportCompare === "function")
michael@0:   reportCompare(true, true);