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/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
/*
* ECMA-262 6th Edition / Draft November 8, 2013
*
* 20.2.2 Function Properties of the Math Object
*/
/*
* This custom object will allow us to check if valueOf() is called
*/
TestNumber.prototype = new Number();
function TestNumber(value) {
this.value = value;
this.valueOfCalled = false;
}
TestNumber.prototype = {
valueOf: function() {
this.valueOfCalled = true;
return this.value;
}
}
// Verify that each TestNumber's flag is set after calling Math func
function test(func /*, args */) {
var args = Array.prototype.slice.call(arguments, 1);
func.apply(null, args);
for (var i = 0; i < args.length; ++i)
assertEq(args[i].valueOfCalled, true);
}
// Note that we are not testing these functions' return values
// We only test whether valueOf() is called for each argument
// 1. Test Math.atan2()
var x = new TestNumber(1);
test(Math.atan2, x);
var x = new TestNumber(1);
var y = new TestNumber(2);
test(Math.atan2, y, x);
// Remove comment block once patch for bug 896264 is approved
/*
// 2. Test Math.hypot()
var x = new TestNumber(1);
test(Math.hypot, x);
var x = new TestNumber(1);
var y = new TestNumber(2);
test(Math.hypot, x, y);
var x = new TestNumber(1);
var y = new TestNumber(2);
var z = new TestNumber(3);
test(Math.hypot, x, y, z);
*/
// Remove comment block once patch for bug 808148 is approved
/*
// 3. Test Math.imul()
var x = new TestNumber(1);
test(Math.imul, x);
var x = new TestNumber(1);
var y = new TestNumber(2);
test(Math.imul, x, y);
*/
// 4. Test Math.max()
var x = new TestNumber(1);
test(Math.max, x);
var x = new TestNumber(1);
var y = new TestNumber(2);
test(Math.max, x, y);
var x = new TestNumber(1);
var y = new TestNumber(2);
var z = new TestNumber(3);
test(Math.max, x, y, z);
// 5. Test Math.min()
var x = new TestNumber(1);
test(Math.min, x);
var x = new TestNumber(1);
var y = new TestNumber(2);
test(Math.min, x, y);
var x = new TestNumber(1);
var y = new TestNumber(2);
var z = new TestNumber(3);
test(Math.min, x, y, z);
// 6. Test Math.pow()
var x = new TestNumber(1);
test(Math.pow, x);
var x = new TestNumber(1);
var y = new TestNumber(2);
test(Math.pow, x, y);
reportCompare(0, 0, "ok");
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