[Sie-announce] SIEコード [2308] SVGMatrixに関するスペックを追加

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svnno****@sourc***** svnno****@sourc*****
2011年 1月 17日 (月) 23:41:02 JST


Revision: 2308
          http://sourceforge.jp/projects/sie/svn/view?view=rev&revision=2308
Author:   dhrname
Date:     2011-01-17 23:41:02 +0900 (Mon, 17 Jan 2011)

Log Message:
-----------
SVGMatrixに関するスペックを追加

Modified Paths:
--------------
    trunk/Spec/SvgDomSpec.js

Modified: trunk/Spec/SvgDomSpec.js
===================================================================
--- trunk/Spec/SvgDomSpec.js	2011-01-17 11:41:59 UTC (rev 2307)
+++ trunk/Spec/SvgDomSpec.js	2011-01-17 14:41:02 UTC (rev 2308)
@@ -165,5 +165,36 @@
       }
       t = null;
     });
+    describe("SVG Unit :: SVG Matrix", function() {
+      var s;
+      beforeEach(function() {
+        s = svg.createSVGMatrix();
+      });
+      it("for the default value on the property of SVGMtrix", function() {
+        /*See http://www.w3.org/TR/SVG/struct.html#InterfaceSVGSVGElement
+         * The object is initialized to the identity matrix.
+         */
+        expect(s.a).toEqual(1);
+        expect(s.b).toEqual(0);
+        expect(s.c).toEqual(0);
+        expect(s.d).toEqual(1);
+        expect(s.e).toEqual(0);
+        expect(s.f).toEqual(0);
+      });
+      /*境界条件を調べておく (limit value analysis)*/
+      it("should be this for the value, when it calls a 'multiply' method", function() {
+        var t = [Number.MAX_VALUE, Number.MIN_VALUE, 0, Number.MAX_VALUE/2, Number.MIN_VALUE/2];
+        for (var i=0,tli=t.length;i<tli;++i) {
+          var n = svg.createSVGMatrix();
+          n.a = t[i];
+          n.b = t[i];
+          n.c = t[i];
+          n.d = t[i];
+          n.e = t[i];
+          s.multiply(n);
+        }
+        t = null;
+      });
+    });
   });
 });
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