source-array-boundary.js

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// |reftest| skip-if(!this.hasOwnProperty("Tuple"))

var array = [Number.MAX_VALUE, Number.MIN_VALUE, Number.NaN, Number.NEGATIVE_INFINITY, Number.POSITIVE_INFINITY];

var arrayIndex = -1;

function mapFn(value, index) {

    this.arrayIndex++;

    assertEq(value, array[this.arrayIndex]);

    assertEq(index, this.arrayIndex);

    return value;

var t = Tuple.from(array, mapFn, this);

assertEq(t.length, array.length);

assertEq(t[0], Number.MAX_VALUE);

assertEq(t[1], Number.MIN_VALUE);

assertEq(t[2], Number.NaN);

assertEq(t[3], Number.NEGATIVE_INFINITY);

assertEq(t[4], Number.POSITIVE_INFINITY);

reportCompare(0, 0);