TestFinanceLibpublic class TestFinanceLib extends AbstractNumericTestCase
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| public void | testFv()
double f, r, y, p, x;
int n;
boolean t = false;
r = 0; n = 3; y = 2; p = 7; t = true;
f = FinanceLib.fv(r, n, y, p, t);
x = -13;
assertEquals("fv ", x, f);
r = 1; n = 10; y = 100; p = 10000; t = false;
f = FinanceLib.fv(r, n, y, p, t);
x = -10342300;
assertEquals("fv ", x, f);
r = 1; n = 10; y = 100; p = 10000; t = true;
f = FinanceLib.fv(r, n, y, p, t);
x = -10444600;
assertEquals("fv ", x, f);
r = 2; n = 12; y = 120; p = 12000; t = false;
f = FinanceLib.fv(r, n, y, p, t);
x = -6409178400d;
assertEquals("fv ", x, f);
r = 2; n = 12; y = 120; p = 12000; t = true;
f = FinanceLib.fv(r, n, y, p, t);
x = -6472951200d;
assertEquals("fv ", x, f);
// cross tests with pv
r = 2.95; n = 13; y = 13000; p = -4406.78544294496; t = false;
f = FinanceLib.fv(r, n, y, p, t);
x = 333891.230010986; // as returned by excel
assertEquals("fv ", x, f);
r = 2.95; n = 13; y = 13000; p = -17406.7852148156; t = true;
f = FinanceLib.fv(r, n, y, p, t);
x = 333891.230102539; // as returned by excel
assertEquals("fv ", x, f);
| | public void | testNper()
double f, r, y, p, x, n;
boolean t = false;
r = 0; y = 7; p = 2; f = 3; t = false;
n = FinanceLib.nper(r, y, p, f, t);
x = -0.71428571429; // can you believe it? excel returns nper as a fraction!??
assertEquals("nper ", x, n);
// cross check with pv
r = 1; y = 100; p = -109.66796875; f = 10000; t = false;
n = FinanceLib.nper(r, y, p, f, t);
x = 10;
assertEquals("nper ", x, n);
r = 1; y = 100; p = -209.5703125; f = 10000; t = true;
n = FinanceLib.nper(r, y, p, f, t);
x = 10;
assertEquals("nper ", x, n);
// cross check with fv
r = 2; y = 120; f = -6409178400d; p = 12000; t = false;
n = FinanceLib.nper(r, y, p, f, t);
x = 12;
assertEquals("nper ", x, n);
r = 2; y = 120; f = -6472951200d; p = 12000; t = true;
n = FinanceLib.nper(r, y, p, f, t);
x = 12;
assertEquals("nper ", x, n);
| | public void | testNpv()
double r, v[], npv, x;
r = 1; v = new double[]{100, 200, 300, 400};
npv = FinanceLib.npv(r, v);
x = 162.5;
assertEquals("npv ", x, npv);
r = 2.5; v = new double[]{1000, 666.66666, 333.33, 12.2768416};
npv = FinanceLib.npv(r, v);
x = 347.99232604144827;
assertEquals("npv ", x, npv);
r = 12.33333; v = new double[]{1000, 0, -900, -7777.5765};
npv = FinanceLib.npv(r, v);
x = 74.3742433377061;
assertEquals("npv ", x, npv);
r = 0.05; v = new double[]{200000, 300000.55, 400000, 1000000, 6000000, 7000000, -300000};
npv = FinanceLib.npv(r, v);
x = 11342283.4233124;
assertEquals("npv ", x, npv);
| | public void | testPmt()
double f, r, y, p, x;
int n;
boolean t = false;
r = 0; n = 3; p = 2; f = 7; t = true;
y = FinanceLib.pmt(r, n, p, f, t);
x = -3;
assertEquals("pmt ", x, y);
// cross check with pv
r = 1; n = 10; p = -109.66796875; f = 10000; t = false;
y = FinanceLib.pmt(r, n, p, f, t);
x = 100;
assertEquals("pmt ", x, y);
r = 1; n = 10; p = -209.5703125; f = 10000; t = true;
y = FinanceLib.pmt(r, n, p, f, t);
x = 100;
assertEquals("pmt ", x, y);
// cross check with fv
r = 2; n = 12; f = -6409178400d; p = 12000; t = false;
y = FinanceLib.pmt(r, n, p, f, t);
x = 120;
assertEquals("pmt ", x, y);
r = 2; n = 12; f = -6472951200d; p = 12000; t = true;
y = FinanceLib.pmt(r, n, p, f, t);
x = 120;
assertEquals("pmt ", x, y);
| | public void | testPv()
double f, r, y, p, x;
int n;
boolean t = false;
r = 0; n = 3; y = 2; f = 7; t = true;
f = FinanceLib.pv(r, n, y, f, t);
x = -13;
assertEquals("pv ", x, f);
r = 1; n = 10; y = 100; f = 10000; t = false;
p = FinanceLib.pv(r, n, y, f, t);
x = -109.66796875;
assertEquals("pv ", x, p);
r = 1; n = 10; y = 100; f = 10000; t = true;
p = FinanceLib.pv(r, n, y, f, t);
x = -209.5703125;
assertEquals("pv ", x, p);
r = 2.95; n = 13; y = 13000; f = 333891.23; t = false;
p = FinanceLib.pv(r, n, y, f, t);
x = -4406.78544294496;
assertEquals("pv ", x, p);
r = 2.95; n = 13; y = 13000; f = 333891.23; t = true;
p = FinanceLib.pv(r, n, y, f, t);
x = -17406.7852148156;
assertEquals("pv ", x, p);
// cross tests with fv
r = 2; n = 12; y = 120; f = -6409178400d; t = false;
p = FinanceLib.pv(r, n, y, f, t);
x = 12000;
assertEquals("pv ", x, p);
r = 2; n = 12; y = 120; f = -6472951200d; t = true;
p = FinanceLib.pv(r, n, y, f, t);
x = 12000;
assertEquals("pv ", x, p);
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