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-rw-r--r--qtruby/rubylib/examples/testcases/opoverloading.rb46
1 files changed, 46 insertions, 0 deletions
diff --git a/qtruby/rubylib/examples/testcases/opoverloading.rb b/qtruby/rubylib/examples/testcases/opoverloading.rb
new file mode 100644
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--- /dev/null
+++ b/qtruby/rubylib/examples/testcases/opoverloading.rb
@@ -0,0 +1,46 @@
+require 'Qt'
+
+class Qt::Point
+ def to_s
+ "(#{x}, #{y})"
+ end
+end
+
+$t = binding
+def test(str)
+ puts "#{str.ljust 25} => #{eval(str, $t)}"
+end
+
+test("p1 = Qt::Point.new(5,5)")
+test("p2 = Qt::Point.new(20,20)")
+test("p1 + p2")
+test("p1 - p2")
+test("-p1 + p2")
+test("p2 += p1")
+test("p2 -= p1")
+test("p2 * 3")
+
+class Qt::Region
+ def to_s
+ "(#{isNull})"
+ end
+end
+
+test("r1 = Qt::Region.new()")
+test("r2 = Qt::Region.new( 100,100,200,80, Qt::Region::Ellipse )")
+test("r1 + r2")
+
+class Qt::WMatrix
+ def to_s
+ "(#{m11}, #{m12}, #{m21}, #{m22}, #{dx}, #{dy})"
+ end
+end
+
+test("a = Math::PI/180 * 25") # convert 25 to radians
+test("sina = Math.sin(a)")
+test("cosa = Math.cos(a)")
+test("m1 = Qt::WMatrix.new(1, 0, 0, 1, 10, -20)") # translation matrix
+test("m2 = Qt::WMatrix.new( cosa, sina, -sina, cosa, 0, 0 )")
+test("m3 = Qt::WMatrix.new(1.2, 0, 0, 0.7, 0, 0)") # scaling matrix
+test("m = Qt::WMatrix.new")
+test("m = m3 * m2 * m1") # combine all transformations