svnno****@sourc*****
svnno****@sourc*****
2011年 1月 28日 (金) 23:18:36 JST
ForkRevision: 2341
http://sourceforge.jp/projects/sie/svn/view?view=rev&revision=2341
Author: dhrname
Date: 2011-01-28 23:18:36 +0900 (Fri, 28 Jan 2011)
Log Message:
-----------
inverseメソッドについての有効値クラスのテストを追加
Modified Paths:
--------------
trunk/Spec/spec/SvgDomSpec.js
Modified: trunk/Spec/spec/SvgDomSpec.js
===================================================================
--- trunk/Spec/spec/SvgDomSpec.js 2011-01-27 14:15:48 UTC (rev 2340)
+++ trunk/Spec/spec/SvgDomSpec.js 2011-01-28 14:18:36 UTC (rev 2341)
@@ -313,5 +313,64 @@
}
si = t = null;
});
+ /*同値分割をして、有効同値クラスを調べておく (Equivalence partitioning, the following is the valid partion)*/
+ it("should be this for the value, when it calls a 'inverse' method", function() {
+ var si = s.inverse(), t = [];
+ s.a = -1;
+ s.e = 0;
+ s.f = 1;
+ si = s.inverse();
+ t[t.length] = s.multiply(si);
+ t[t.length] = si.multiply(s);
+ s.a = 1;
+ s.d = -1;
+ s.e = 10000;
+ s.f = -10000;
+ si = s.inverse();
+ t[t.length] = s.multiply(si);
+ t[t.length] = si.multiply(s);
+ s.b = -1;
+ s.c = 1;
+ s.d = 1;
+ s.e = 0.0001;
+ s.f = -0.0001;
+ si = s.inverse();
+ t[t.length] = s.multiply(si);
+ t[t.length] = si.multiply(s);
+ s.b = 1;
+ s.c = -1;
+ s.e = 0.1;
+ s.f = 1;
+ si = s.inverse();
+ t[t.length] = s.multiply(si);
+ t[t.length] = si.multiply(s);
+ for (var i=0;i<t.length;++i) {
+ var d = t[i];
+ expect(d.a).toEqual(1);
+ expect(d.b).toEqual(0);
+ expect(d.c).toEqual(0);
+ expect(d.d).toEqual(1);
+ expect(d.e).toEqual(0);
+ expect(d.f).toEqual(0);
+ console.log(d);
+ d = null;
+ }
+ si = t = null;
+ });
+ it("should throw an Error, when it calls a 'inverse' method", function() {
+ /*以下では行列式が0なので、逆行列が成り立たない (it is invalid in these cases because the determint is zero)*/
+ var t = [1, 1, 1, 1,
+ 0, 0, 0, 0,
+ 2, 4, 2, 4,
+ 2.5, -1, 2.5, -1];
+ for (var i=0;i<t.length;i+=4) {
+ s.a = t[i];
+ s.b = t[i+1];
+ s.c = t[i+2];
+ s.d = t[i+3]
+ };
+ expect(s.inverse).toThrow();
+ t = null;
+ });
});
});
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