/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com

XOWA is licensed under the terms of the General Public License (GPL) Version 3,
or alternatively under the terms of the Apache License Version 2.0.

You may use XOWA according to either of these licenses as is most appropriate
for your project on a case-by-case basis.

The terms of each license can be found in the source code repository:

GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
*/
package gplx;
import org.junit.*;
public class Math__tst {
	@Test  public void Abs() {
		tst_Abs(1, 1);
		tst_Abs(-1, 1);
		tst_Abs(0, 0);
	}	void tst_Abs(int val, int expd) {Tfds.Eq(expd, Math_.Abs(val));}
	@Test  public void Log10() {
		tst_Log10(0, Int_.Min_value);
		tst_Log10(9, 0);
		tst_Log10(10, 1);
		tst_Log10(99, 1);
		tst_Log10(100, 2);
	}	void tst_Log10(int val, int expd) {Tfds.Eq(expd, Math_.Log10(val));}
	@Test  public void Min() {
		tst_Min(0, 1, 0);
		tst_Min(1, 0, 0);
		tst_Min(0, 0, 0);
	}	void tst_Min(int val0, int val1, int expd) {Tfds.Eq(expd, Math_.Min(val0, val1));}
	@Test  public void Pow() {
		tst_Pow(2, 0, 1);
		tst_Pow(2, 1, 2);
		tst_Pow(2, 2, 4);
	}	void tst_Pow(int val, int exponent, double expd) {Tfds.Eq(expd, Math_.Pow(val, exponent));}
	@Test  public void Mult() {
		tst_Mult(100, .01f, 1);
	}	void tst_Mult(int val, float multiplier, int expd) {Tfds.Eq(expd, Int_.Mult(val, multiplier));}		
	@Test  public void Base2Ary() {
		tst_Base2Ary(  1, 256, 1);
		tst_Base2Ary(  2, 256, 2);
		tst_Base2Ary(  3, 256, 1, 2);
		tst_Base2Ary(  4, 256, 4);
		tst_Base2Ary(  5, 256, 1, 4);
		tst_Base2Ary(  6, 256, 2, 4);
		tst_Base2Ary(511, 256, 1, 2, 4, 8, 16, 32, 64, 128, 256);
	}	void tst_Base2Ary(int v, int max, int... expd) {Tfds.Eq_ary(expd, Math_.Base2Ary(v, max));}
	@Test  public void Round() {
		tst_Round(1.5		, 0, 2);
		tst_Round(2.5		, 0, 3);
		tst_Round(2.123		, 2, 2.12);
		tst_Round(21.1		, -1, 20);
	}	void tst_Round(double v, int places, double expd) {Tfds.Eq(expd, Math_.Round(v, places));}
}