mirror of
https://github.com/MikeMcl/decimal.js.git
synced 2024-10-27 20:34:12 +00:00
110 lines
2.7 KiB
JavaScript
110 lines
2.7 KiB
JavaScript
if (typeof T === 'undefined') require('../setup');
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T('clone', function () {
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function t(expression) {
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T.assert(expression);
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}
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Decimal.config({
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precision: 10,
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rounding: 4,
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toExpNeg: -7,
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toExpPos: 21,
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minE: -9e15,
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maxE: 9e15
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});
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var D1 = Decimal.clone({ precision: 1 });
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var D2 = Decimal.clone({ precision: 2 });
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var D3 = Decimal.clone({ precision: 3 });
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var D4 = Decimal.clone({ precision: 4 });
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var D5 = Decimal.clone({ precision: 5 });
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var D6 = Decimal.clone({ precision: 6 });
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var D7 = Decimal.clone({ precision: 7 });
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var D8 = Decimal.clone();
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D8.config({ precision: 8 });
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var D9 = Decimal.clone({ precision: 9 });
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t(Decimal.prototype === D9.prototype);
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t(Decimal !== D9);
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var x = new Decimal(5);
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var x1 = new D1(5);
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var x2 = new D2(5);
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var x3 = new D3(5);
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var x4 = new D4(5);
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var x5 = new D5(5);
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var x6 = new D6(5);
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var x7 = new D7(5);
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var x8 = new D8(5);
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var x9 = new D9(5);
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t(x1.div(3).eq(2));
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t(x2.div(3).eq(1.7));
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t(x3.div(3).eq(1.67));
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t(x4.div(3).eq(1.667));
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t(x5.div(3).eq(1.6667));
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t(x6.div(3).eq(1.66667));
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t(x7.div(3).eq(1.666667));
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t(x8.div(3).eq(1.6666667));
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t(x9.div(3).eq(1.66666667));
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t(x .div(3).eq(1.666666667));
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var y = new Decimal(3);
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var y1 = new D1(3);
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var y2 = new D2(3);
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var y3 = new D3(3);
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var y4 = new D4(3);
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var y5 = new D5(3);
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var y6 = new D6(3);
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var y7 = new D7(3);
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var y8 = new D8(3);
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var y9 = new D9(3);
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t(x1.div(y1).eq(2));
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t(x2.div(y2).eq(1.7));
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t(x3.div(y3).eq(1.67));
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t(x4.div(y4).eq(1.667));
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t(x5.div(y5).eq(1.6667));
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t(x6.div(y6).eq(1.66667));
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t(x7.div(y7).eq(1.666667));
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t(x8.div(y8).eq(1.6666667));
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t(x9.div(y9).eq(1.66666667));
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t(x .div(y ).eq(1.666666667));
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t(x1.div(y9).eq(2));
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t(x2.div(y8).eq(1.7));
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t(x3.div(y7).eq(1.67));
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t(x4.div(y6).eq(1.667));
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t(x5.div(y5).eq(1.6667));
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t(x6.div(y4).eq(1.66667));
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t(x7.div(y3).eq(1.666667));
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t(x8.div(y2).eq(1.6666667));
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t(x9.div(y1).eq(1.66666667));
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t(Decimal.precision == 10);
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t(D9.precision === 9);
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t(D8.precision === 8);
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t(D7.precision === 7);
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t(D6.precision === 6);
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t(D5.precision === 5);
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t(D4.precision === 4);
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t(D3.precision === 3);
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t(D2.precision === 2);
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t(D1.precision === 1);
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t(new Decimal(9.99).eq(new D5('9.99')));
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t(!new Decimal(9.99).eq(new D3('-9.99')));
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t(!new Decimal(123.456789).toSD().eq(new D3('123.456789').toSD()));
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t(new Decimal(123.456789).round().eq(new D3('123.456789').round()));
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t(new Decimal(1).constructor === new Decimal(1).constructor);
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t(new D9(1).constructor === new D9(1).constructor);
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t(new Decimal(1).constructor !== new D1(1).constructor);
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t(new D8(1).constructor !== new D9(1).constructor);
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T.assertException(function () { Decimal.clone(null) }, "Decimal.clone(null)");
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});
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