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MikeMcl_decimal.js/test/minAndMax.js
Michael Mclaughlin b92f900a93 Initial commit
2014-04-02 16:28:08 +01:00

160 lines
7.0 KiB
JavaScript

var count = (function minMax(Decimal) {
var start = +new Date(),
log,
error,
u,
passed = 0,
total = 0;
if (typeof window === 'undefined') {
log = console.log;
error = console.error;
} else {
log = function (str) { document.body.innerHTML += str.replace('\n', '<br>') };
error = function (str) { document.body.innerHTML += '<div style="color: red">' +
str.replace('\n', '<br>') + '</div>' };
}
if (!Decimal && typeof require === 'function') Decimal = require('../decimal');
function assert(expected, actual) {
total++;
if (expected !== actual) {
error('\n Test number: ' + total + ' failed');
error(' Expected: ' + expected);
error(' Actual: ' + actual);
//process.exit();
} else {
passed++;
//log('\n Expected and actual: ' + actual);
}
}
function T(min, max, arr) {
assert(true, new Decimal(min).eq(Decimal.min(arr)));
assert(true, new Decimal(max).eq(Decimal.max(arr)));
}
log('\n Testing min and max...');
Decimal.config({
precision: 20,
rounding: 4,
toExpNeg: -7,
toExpPos: 21,
minE: -9e15,
maxE: 9e15,
errors: false
});
assert(false, Decimal.min(0, 0, 0).isNaN());
assert(true, Decimal.min(u, null, NaN).isNaN());
assert(true, Decimal.min(-2, 0, -1, u).isNaN());
assert(true, Decimal.max(-2, 0, -1, u).isNaN());
assert(true, Decimal.min(null, -2, 0, -1).isNaN());
assert(true, Decimal.max(null, -2, 0, -1).isNaN());
assert(true, Decimal.min(NaN, -2, 0, -1).isNaN());
assert(true, Decimal.max(NaN, -2, 0, -1).isNaN());
assert(true, Decimal.min(-2, 0, -1, new Decimal(NaN)).isNaN());
assert(true, Decimal.max(-2, 0, -1, new Decimal(NaN)).isNaN());
assert(false, Decimal.min(-2, 0, -1).isNaN());
assert(false, Decimal.max(-2, 0, -1).isNaN());
assert(false, Decimal.min(-2, 0, -1, Infinity).isNaN());
assert(false, Decimal.max(-2, 0, -1, -Infinity).isNaN());
assert(false, Decimal.min(-2, 0, -1, Infinity).isNaN());
assert(false, Decimal.max(-2, 0, -1, Infinity).isNaN());
assert(false, Decimal.min(-2, -Infinity, 0, -1, Infinity).isNaN());
assert(true, Decimal.max(Infinity, -2, 'hi', 0, -1, -Infinity).isNaN());
assert(true, Decimal.min(null, Infinity, -2, 0, -1, -Infinity).isNaN());
assert(true, Decimal.max(Infinity, -2, NaN, 0, -1, -Infinity, u).isNaN());
assert(true, new Decimal(-Infinity).eq(Decimal.min(-Infinity, -2, 0, -1, Infinity)));
assert(true, new Decimal(-Infinity).eq(Decimal.min(Infinity, -2, 0, -1, -Infinity)));
assert(true, new Decimal(Infinity).eq(Decimal.max(Infinity, -2, 0, -1, -Infinity)));
assert(true, new Decimal(Infinity).eq(Decimal.max(-Infinity, -2, 0, new Decimal(Infinity), -1)));
assert(true, new Decimal(-2).eq(Decimal.min(-2, 0, -1)));
assert(true, new Decimal(0).eq(Decimal.max(-2, 0, -1)));
assert(true, new Decimal(-2).eq(Decimal.min(-2, -1, 0)));
assert(true, new Decimal(0).eq(Decimal.max(-2, -1, 0)));
assert(true, new Decimal(-2).eq(Decimal.min(0, -2, -1)));
assert(true, new Decimal(0).eq(Decimal.max(0, -2, -1)));
assert(true, new Decimal(-2).eq(Decimal.min(0, -1, -2)));
assert(true, new Decimal(0).eq(Decimal.max(0, -1, -2)));
assert(true, new Decimal(-2).eq(Decimal.min(-1, -2, 0)));
assert(true, new Decimal(0).eq(Decimal.max(-1, -2, 0)));
assert(true, new Decimal(-2).eq(Decimal.min(-1, 0, -2)));
assert(true, new Decimal(-1).eq(Decimal.min(-1, 0, 1)));
assert(true, new Decimal(1).eq(Decimal.max(-1, 0, 1)));
assert(true, new Decimal(-1).eq(Decimal.min(-1, 1, 0)));
assert(true, new Decimal(1).eq(Decimal.max(-1, 1, 0)));
assert(true, new Decimal(-1).eq(Decimal.min(0, -1, 1)));
assert(true, new Decimal(1).eq(Decimal.max(0, -1, 1)));
assert(true, new Decimal(-1).eq(Decimal.min(0, 1, -1)));
assert(true, new Decimal(1).eq(Decimal.max(0, 1, -1)));
assert(true, new Decimal(-1).eq(Decimal.min(1, -1, 0)));
assert(true, new Decimal(1).eq(Decimal.max(1, -1, 0)));
assert(true, new Decimal(-1).eq(Decimal.min(1, 0, -1)));
assert(true, new Decimal(-1).eq(Decimal.min('-1', 0, new Decimal(1))));
assert(true, new Decimal(1).eq(Decimal.max('-1', 0, new Decimal(1))));
assert(true, new Decimal(-1).eq(Decimal.min('-1', new Decimal(1), 0)));
assert(true, new Decimal(1).eq(Decimal.max('-1', new Decimal(1), 0)));
assert(true, new Decimal(-1).eq(Decimal.min(0, '-1', new Decimal(1))));
assert(true, new Decimal(1).eq(Decimal.max(0, '-1', new Decimal(1))));
assert(true, new Decimal(-1).eq(Decimal.min(0, new Decimal(1), '-1')));
assert(true, new Decimal(1).eq(Decimal.max(0, new Decimal(1), '-1')));
assert(true, new Decimal(-1).eq(Decimal.min(new Decimal(1), '-1', 0)));
assert(true, new Decimal(1).eq(Decimal.max(new Decimal(1), '-1', 0)));
assert(true, new Decimal(-1).eq(Decimal.min(new Decimal(1), 0, '-1')));
assert(true, new Decimal(0).eq(Decimal.min(0, 1, 2)));
assert(true, new Decimal(2).eq(Decimal.max(0, 1, 2)));
assert(true, new Decimal(0).eq(Decimal.min(0, 2, 1)));
assert(true, new Decimal(2).eq(Decimal.max(0, 2, 1)));
assert(true, new Decimal(0).eq(Decimal.min(1, 0, 2)));
assert(true, new Decimal(2).eq(Decimal.max(1, 0, 2)));
assert(true, new Decimal(0).eq(Decimal.min(1, 2, 0)));
assert(true, new Decimal(2).eq(Decimal.max(1, 2, 0)));
assert(true, new Decimal(0).eq(Decimal.min(2, 1, 0)));
assert(true, new Decimal(2).eq(Decimal.max(2, 1, 0)));
assert(true, new Decimal(0).eq(Decimal.min(2, 0, 1)));
assert(true, new Decimal(2).eq(Decimal.max(2, 0, 1)));
T(-2, 0, [-2, -1, 0]);
T(-2, 0, [-2, 0, -1]);
T(-2, 0, [-1, -2, 0]);
T(-2, 0, [-1, 0, -2]);
T(-2, 0, [0, -2, -1]);
T(-2, 0, [0, -1, -2]);
T(-1, 1, [-1, 0, 1]);
T(-1, 1, [-1, 1, 0]);
T(-1, 1, [0, -1, 1]);
T(-1, 1, [0, 1, -1]);
T(-1, 1, [1, -1, 0]);
T(-1, 1, [1, 0, -1]);
T(0, 2, [0, 1, 2]);
T(0, 2, [0, 2, 1]);
T(0, 2, [1, 0, 2]);
T(0, 2, [1, 2, 0]);
T(0, 2, [2, 1, 0]);
T(0, 2, [2, 0, 1]);
T(-0.000001, 999.001, [2, -0, '1e-9000000000000000', 324.32423423, -0.000001, '999.001', 10]);
T('-9.99999e+9000000000000000', Infinity, [10, '-9.99999e+9000000000000000', new Decimal(Infinity), '9.99999e+9000000000000000', 0]);
T('-9.999999e+9000000000000000', '1.01e+9000000000000000', ['-9.99998e+9000000000000000', '-9.999999e+9000000000000000', '9e+8999999999999999', '1.01e+9000000000000000', 1e+300]);
T(1, Infinity, [1, '1e+9000000000000001', 1e200]);
T(-Infinity, 1, [1, '-1e+9000000000000001', -1e200]);
T(0, 1, [1, '1e-9000000000000001', 1e-200]);
T(0, 1, [1, '-1e-9000000000000001', 1e-200]);
log('\n ' + passed + ' of ' + total + ' tests passed in ' + (+new Date() - start) + ' ms \n');
return [passed, total];
})(this.Decimal);
if (typeof module !== 'undefined' && module.exports) module.exports = count;