// |reftest| shell-option(--enable-float16array) // Copyright (C) 2016 the V8 project authors. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-%typedarray%.prototype.copywithin description: > target argument is coerced to an integer value. info: | 22.2.3.5 %TypedArray%.prototype.copyWithin (target, start [ , end ] ) %TypedArray%.prototype.copyWithin is a distinct function that implements the same algorithm as Array.prototype.copyWithin as defined in 22.1.3.3 except that the this object's [[ArrayLength]] internal slot is accessed in place of performing a [[Get]] of "length" and the actual copying of values in step 12 must be performed in a manner that preserves the bit-level encoding of the source data. ... 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] ) ... 3. Let relativeTarget be ? ToInteger(target). ... includes: [compareArray.js, testTypedArray.js] features: [TypedArray] ---*/ testWithTypedArrayConstructors(function(TA) { assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(undefined, 1), [1, 2, 3, 3] ), 'undefined value coerced to 0' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(false, 1), [1, 2, 3, 3] ), 'false value coerced to 0' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(NaN, 1), [1, 2, 3, 3] ), 'NaN value coerced to 0' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(null, 1), [1, 2, 3, 3] ), 'null value coerced to 0' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(true, 0), [0, 0, 1, 2] ), 'true value coerced to 1' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin('1', 0), [0, 0, 1, 2] ), 'string "1" value coerced to 1' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(0.5, 1), [1, 2, 3, 3] ), '0.5 float value coerced to integer 0' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin(1.5, 0), [0, 0, 1, 2] ), '1.5 float value coerced to integer 1' ); assert( compareArray( new TA([0, 1, 2, 3]).copyWithin({}, 1), [1, 2, 3, 3] ), 'object value coerced to integer 0' ); }); reportCompare(0, 0);