src/third_party/mozjs-45/js/src/jit-test/tests/basic/testParseInt.js

/*
 * Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/licenses/publicdomain/
 */

function testInt(n, result) {
    var x = 0;
    for (var i = 0; i < 15; i++) {
        assertEq(parseInt(n, 10), result);
        assertEq(parseInt(n, 0), result);
        assertEq(parseInt(n), result);
        assertEq(parseInt(n, x), result);

        if (x % 2 == 0)
            x = 10;
        else
            x = 0;
    }
}

function testDouble(n, result) {
    var x = 0;
    for (var i = 0; i < 15; i++) {
        assertEq(parseInt(n, 10), result);
        assertEq(parseInt(n, 0), result);
        assertEq(parseInt(n), result);
        assertEq(parseInt(n, x), result);

        if (x % 2 == 0)
            x = 10;
        else
            x = 0;
    }
}

testInt(2147483647, 2147483647);
testInt(-2147483648, -2147483648);
testInt(17, 17);
testInt(-1, -1);
testInt(0, 0);

testDouble(1e21, 1);
testDouble(-5.7, -5);
testDouble(1.7, 1);
testDouble(1.0e-6, 0);
testDouble(1.0e-7, 1);
testDouble(NaN, NaN);
testDouble(1e20, 1e20);