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gnosygnu_xowa/100_core/src/gplx/Decimal_adp__tst.java

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3.7 KiB

/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package gplx;
import org.junit.*;
public class Decimal_adp__tst {
private final Decimal_adp__fxt fxt = new Decimal_adp__fxt();
@Test public void divide_() {
fxt.Test_divide(1, 1000, "0.001");
fxt.Test_divide(1, 3, "0.33333333333333");
fxt.Test_divide(1, 7, "0.14285714285714");
}
@Test public void base1000_() {
fxt.Test_base_1000(1000, "1");
fxt.Test_base_1000(1234, "1.234");
fxt.Test_base_1000(123, "0.123");
}
@Test public void parts_() {
fxt.Test_parts(1, 0, "1");
fxt.Test_parts(1, 2, "1.2");
fxt.Test_parts(1, 23, "1.23");
fxt.Test_parts(123, 4567, "123.4567");
}
@Test public void parse() {
fxt.Test_parse("1", "1");
fxt.Test_parse("1.2", "1.2");
fxt.Test_parse("0.1", "0.1");
}
@Test public void Truncate_decimal() {
fxt.Test_truncate_decimal("1", "1");
fxt.Test_truncate_decimal("1.1", "1");
fxt.Test_truncate_decimal("1.9", "1");
}
@Test public void Fraction1000() {
fxt.Test_frac_1000(1, 1000, 1); // 0.001
fxt.Test_frac_1000(1, 3, 333); // 0.33333333
fxt.Test_frac_1000(1234, 1000, 234); // 1.234
fxt.Test_frac_1000(12345, 10000, 234); // 1.2345
}
@Test public void Lt() {
fxt.Test_comp_lt(1,123, 2, true);
fxt.Test_comp_lt(1,99999999, 2, true);
}
@Test public void To_str_fmt() {
fxt.Test_to_str_fmt(1, 2, "0.0", "0.5");
fxt.Test_to_str_fmt(1, 3, "0.0", "0.3");
fxt.Test_to_str_fmt(10000, 7, "0,000.000", "1,428.571");
fxt.Test_to_str_fmt(1, 2, "00.00", "00.50");
}
@Test public void Round() {
fxt.Test_round("123.456", 3, "123.456");
fxt.Test_round("123.456", 2, "123.46");
fxt.Test_round("123.456", 1, "123.5");
fxt.Test_round("123.456", 0, "123");
fxt.Test_round("123.456", -1, "120");
fxt.Test_round("123.456", -2, "100");
fxt.Test_round("123.456", -3, "0");
fxt.Test_round("6", -1, "10");
fxt.Test_round("5", -1, "10");
fxt.Test_round("6", -2, "0");
}
}
class Decimal_adp__fxt {
public void Test_divide(int lhs, int rhs, String expd) {Tfds.Eq(expd, Decimal_adp_.divide_(lhs, rhs).To_str());}
public void Test_base_1000(int val, String expd) {Tfds.Eq(expd, Decimal_adp_.base1000_(val).To_str());}
public void Test_parts(int num, int fracs, String expd) {Tfds.Eq(expd, Decimal_adp_.parts_(num, fracs).To_str());}
public void Test_parse(String raw, String expd) {Tfds.Eq(expd, Decimal_adp_.parse(raw).To_str());}
public void Test_truncate_decimal(String raw, String expd) {Tfds.Eq(Decimal_adp_.parse(expd).To_str(), Decimal_adp_.parse(raw).Truncate().To_str());}
public void Test_frac_1000(int lhs, int rhs, int expd) {Tfds.Eq(expd, Decimal_adp_.divide_(lhs, rhs).Frac_1000());}
public void Test_comp_lt(int lhsNum, int lhsFrc, int rhs, boolean expd) {Tfds.Eq(expd, Decimal_adp_.parts_(lhsNum, lhsFrc).Comp_lt(rhs));}
public void Test_to_str_fmt(int l, int r, String fmt, String expd) {Tfds.Eq(expd, Decimal_adp_.divide_(l, r).To_str(fmt));}
public void Test_round(String raw, int places, String expd) {Tfds.Eq_str(expd, Decimal_adp_.parse(raw).Round(places).To_str(), "round");}
}